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Bo XU

125 accepted papers

2026

ACE-Merging: Data-Free Model Merging with Adaptive Covariance Estimation

CVPR 2026

Model merging aims to combine multiple task-specific experts into a single model, but inter-task interference often causes severe degradation, especially when the experts are trained on heterogeneous objectives. Existing data-free methods are practical, yet largely rely on parameter-space heuristics

Cited by 0SourcecodeScholar
2026

COLLIE: Guiding Skill Discovery in Semantically Coherent Latent Space

ICML 2026poster

Unsupervised skill discovery (USD) aims to learn diverse behaviors without reward functions, but often results in task-irrelevant or hazardous behaviors due to uniform exploration. Guided skill discovery (GSD) addresses this issue by incorporating human intent to focus exploration on meaningful regi…

Cited by 0SourceScholar
2026

GlobeDiff: State Diffusion Process for Partial Observability in Multi-Agent System

ICLR 2026poster

In the realm of multi-agent systems, the challenge of partial observability is a critical barrier to effective coordination and decision-making. Existing approaches, such as belief state estimation and inter-agent communication, often fall short. Belief-based methods are limited by their focus on pa…

Cited by 0SourceScholar
2026

Householder-Diagonalized Linear Attention (HDLA): Utilizing Enhanced Decay Mechanism for Efficient Sequence Modeling

ICLR 2026poster

Linear attention mechanisms have emerged as efficient alternatives to Softmax attention, exhibiting steady improvements in language modeling capabilities driven by increasingly sophisticated designs for decay matrices—though their structural complexity has typically been limited to the Diagonal-Plus…

Cited by 0SourceScholar
2026

Info-Driven Zero-Cost Proxy: Rethinking Vision Transformer Architecture Evaluation via Information Quantification

IJCAI 2026

Neural Architecture Search (NAS) automates the design of Vision Transformer (ViT) architectures. However, the high computational cost of training-based methods has made training-free, zero-cost proxies a key research direction. While existing proxies can estimate model potential, they fail to captur

Cited by 0Scholar
2026

KNNDA: A New Perspective of Alignment Recovery for Partially View-Aligned Clustering

AAAI 2026technical

In multi-view clustering (MVC), complementary and consistent information from multiple views is integrated to improve clustering performance. However, inter-view sample correspondences may be partially missing in practice, making it difficult to learn cross-view consistency, which leads to the parti

Cited by 0SourcePDFScholar
2026

MedVCoT: Bridging the Modality Gap in Medical VQA Through Latent Visual Reasoning

IJCAI 2026

With the rising demand for trustworthy AI in clinical practice, strong interpretability is now a critical requirement as well as accuracy. However, the modality gap for medical visual question answering is quite severe when continuous visual signals are forcibly projected into discrete text space fo

Cited by 0Scholar
2026

MetaGPT: A Large Vision-Language Model for Meme Metaphor Understanding

AAAI 2026technical

Meme is an expressive medium that often conveys rich emotions and intentions. Recent studies have confirmed the critical role of metaphors in meme understanding. However, existing metaphor research heavily relies on manual annotations, and mainstream vision-language models (VLMs) still struggle with

Cited by 0SourcePDFScholar
2026

MorphSeek: Fine-grained Latent Representation-Level Policy Optimization for Deformable Image Registration

CVPR 2026

Deformable image registration (DIR) remains a fundamental yet challenging problem in medical image analysis, largely due to the prohibitively high-dimensional deformation space of dense displacement fields and the scarcity of voxel-level supervision. Existing reinforcement learning frameworks often

Cited by 0SourceScholar
2026

MrCoM: A Meta-Regularized World-Model Generalizing Across Multi-Scenarios

AAAI 2026technical

Model-based reinforcement learning (MBRL) is a crucial approach to enhance the generalization capabilities and improve the sample efficiency of RL algorithms. However, current MBRL methods focus primarily on building world models for single tasks and rarely address generalization across different s

Cited by 0SourcePDFScholar
2026

OPRIDE: Efficient Offline Preference-based Reinforcement Learning via In-Dataset Exploration

ICLR 2026poster

Preference-based reinforcement learning (PbRL) can help avoid sophisticated reward designs and align better with human intentions, showing great promise in various real-world applications. However, obtaining human feedback for preferences can be expensive and time-consuming, which forms a strong bar…

Cited by 0SourceScholar
2026

SVL: Empowering Spiking Neural Networks for Efficient 3D Open-World Understanding

ICML 2026spotlight

Spiking Neural Networks (SNNs) offer an energy--efficient route to 3D spatio--temporal perception, yet they lag behind Artificial Neural Networks (ANNs) due to weak pretraining and heavy inference stacks, limiting generalization and multimodal reasoning (e.g., zero--shot 3D classification and open--…

Cited by 0SourceScholar
2026

Shift-Dependent Asymmetry: Orthogonal Inverse Low-Rank Adaptation for Federated Medical Segmentation

ICML 2026poster

Low-Rank Adaptation (LoRA) enables efficient federated fine-tuning of segmentation foundation models for medical imaging. However, most federated LoRA methods adopt a uniform aggregation rule, which breaks under the encoder–decoder asymmetry in medical segmentation: the encoder is dominated by appea…

Cited by 0SourceScholar
2026

Speech-Aware Long Context Pruning and Integration for Contextualized Automatic Speech Recognition

AAAI 2026technical

Automatic speech recognition (ASR) systems have achieved remarkable performance in common conditions but often struggle to leverage long-context information in contextualized scenarios that require domain-specific knowledge, such as conference presentations. This challenge arises primarily due to co

Cited by 0SourcePDFScholar
2026

TinyChemVL: Advancing Chemical Vision-Language Models via Efficient Visual Token Reduction and Complex Reaction Tasks

AAAI 2026technical

While Vision Language Models (VLMs) have demonstrated remarkable capabilities in general visual understanding, their application in the chemical domain has been limited, with previous works predominantly focusing on text and thus overlooking critical visual information, such as molecular structures.

Cited by 0SourcePDFScholar
2026

Towards Knowledge‑and‑Data‑Driven Organic Reaction Prediction: RAG‑Enhanced and Reasoning‑Powered Hybrid System with LLMs

ICLR 2026poster

In organic reaction prediction, many recent approaches ranging from traditional task-specific models to Large Language Models (LLMs), have demonstrated notable success. However, these methods are inherently data-driven, exhibit constrained interpretability, and have hit fundamental performance bottl…

Cited by 0SourceScholar
2026

Vid-LLM: A Compact Video-based 3D Multimodal LLM with Reconstruction–Reasoning Synergy

ICLR 2026oral

Recent developments in Multimodal Large Language Models (MLLMs) have significantly improved Vision–Language (VL) reasoning in 2D domains. However, extending these capabilities to 3D scene understanding remains a major challenge. Existing 3D Multimodal Large Language Models (3D-MLLMs) often depend on…

Cited by 0SourceScholar
2025

4D3R: Motion-Aware Neural Reconstruction and Rendering of Dynamic Scenes from Monocular Videos

NeurIPS 2025poster

Novel view synthesis from monocular videos of dynamic scenes with unknown camera poses remains a fundamental challenge in computer vision and graphics. While recent advances in 3D representations such as Neural Radiance Fields (NeRF) and 3D Gaussian Splatting (3DGS) have shown promising results for…

Cited by 0SourceScholar
2025

Boosting Text-to-SQL through Multi-grained Error Identification

COLING 2025main

Text-to-SQL is a technology that converts natural language questions into executable SQL queries, allowing users to query and manage relational databases more easily. In recent years, large language models have significantly advanced the development of text-to-SQL. However, existing methods often ov…

2025

CLARIFY: Contrastive Preference Reinforcement Learning for Untangling Ambiguous Queries

ICML 2025poster

Preference-based reinforcement learning (PbRL) bypasses explicit reward engineering by inferring reward functions from human preference comparisons, enabling better alignment with human intentions. However, humans often struggle to label a clear preference between similar segments, reducing label ef…

2025

Coarse-to-Fine Grounded Memory for LLM Agent Planning

EMNLP 2025

Recent advancements in Large Language Models (LLMs) have driven growing interest in LLM-based agents for complex planning tasks. To avoid costly agent training, many studies adopted memory mechanism that enhances LLM with offline experiences or online trajectory analysis. However, existing works foc

Cited by 0SourcePDFScholar
2025

Conditional Semantic Textual Similarity via Conditional Contrastive Learning

COLING 2025main

Conditional semantic textual similarity (C-STS) assesses the similarity between pairs of sentence representations under different conditions. The current method encounters the over-estimation issue of positive and negative samples. Specifically, the similarity within positive samples is excessively…

2025

Consistency-Aware Padding for Incomplete Multi-Modal Alignment Clustering Based on Self-Repellent Greedy Anchor Search

IJCAI 2025

Multi-modal representation is faithful and highly effective in describing real-world data samples' characteristics by describing their complementary information. However, the collected data often exhibits incomplete and misaligned characteristics due to factors such as inconsistent sensor frequencie

2025

DAIL: Beyond Task Ambiguity for Language-Conditioned Reinforcement Learning

NeurIPS 2025poster

Comprehending natural language and following human instructions are critical capabilities for intelligent agents. However, the flexibility of linguistic instructions induces substantial ambiguity across language-conditioned tasks, severely degrading algorithmic performance. To address these limitat…

Cited by 0SourcecodeScholar
2025

Dialect-SQL: An Adaptive Framework for Bridging the Dialect Gap in Text-to-SQL

EMNLP 2025

Text-to-SQL is the task of translating natural language questions into SQL queries based on relational databases. Different databases implement their own SQL dialects, leading to variations in syntax. As a result, SQL queries designed for one database may not execute properly in another, creating a

2025

Dual Robust Unbiased Multi-View Clustering for Incomplete and Unpaired Information

IJCAI 2025

Recently, multi-view data has gradually attracted attention. However, real-world applications often face Partial View-aligned Problem (PVP) and Partially Sample-missing Problem (PSP) due to data loss or corruption. Existing methods addressing PVP typically focus only on learning from the information

Cited by 0SourcePDFScholar
2025

EchoGPT: An Interactive Cardiac Function Assessment Model for Echocardiogram Videos

IJCAI 2025

With the development of wearable cardiac ultrasound devices, it is no longer sufficient to solely rely on doctors for diagnosing long-term echocardiogram videos. Automated diagnosis of echocardiogram videos has now become a research hotspot. Existing studies only analyze echocardiogram video through

2025

Efficient 3D Recognition with Event-driven Spike Sparse Convolution

AAAI 2025technical

Spiking Neural Networks (SNNs) provide an energy-efficient way to extract 3D spatio-temporal features. Point clouds are sparse 3D spatial data, which suggests that SNNs should be well-suited for processing them. However, when applying SNNs to point clouds, they often exhibit limited performance and…

2025

Enhancing Multimodal Named Entity Recognition through Adaptive Mixup Image Augmentation

COLING 2025main

Multimodal named entity recognition (MNER) extends traditional named entity recognition (NER) by integrating visual and textual information. However, current methods still face significant challenges due to the text-image mismatch problem. Recent advancements in text-to-image synthesis provide promi…

Cited by 0SourcePDFScholar
2025

Episodic Novelty Through Temporal Distance

ICLR 2025poster

Exploration in sparse reward environments remains a significant challenge in reinforcement learning, particularly in Contextual Markov Decision Processes (CMDPs), where environments differ across episodes. Existing episodic intrinsic motivation methods for CMDPs primarily rely on count-based approac…

Cited by 0SourcePDFScholar
2025

Fewer May Be Better: Enhancing Offline Reinforcement Learning with Reduced Dataset

ICLR 2025poster

Research in offline reinforcement learning (RL) marks a paradigm shift in RL. However, a critical yet under-investigated aspect of offline RL is determining the subset of the offline dataset, which is used to improve algorithm performance while accelerating algorithm training. Moreover, the size of…

Cited by 0SourcePDFScholar
2025

Gen-SQL: Efficient Text-to-SQL By Bridging Natural Language Question And Database Schema With Pseudo-Schema

COLING 2025main

With the prevalence of Large Language Models (LLMs), recent studies have shifted paradigms and leveraged LLMs to tackle the challenging task of Text-to-SQL. Because of the complexity of real world databases, previous works adopt the retrieve-then-generate framework to retrieve relevant database sche…

2025

GuideNER: Annotation Guidelines Are Better than Examples for In-Context Named Entity Recognition

AAAI 2025technical

Large language models (LLMs) demonstrate impressive performance on downstream tasks through in-context learning(ICL). However, there is a significant gap between their performance in Named Entity Recognition (NER) and in fine-tuning methods. We believe this discrepancy is due to inconsistencies in l…

2025

Hierarchical Prompt Tuning for System-Incremental Log Analysis

ICASSP 2025accepted

System-incremental log analysis, involves the ongoing training of a model using logs from diverse systems to enable effective resolution of log analysis tasks across an expanding array of systems. Existing continual learning methods, which are based on prompt tuning, have shown challenges in insuffi…

Cited by 0SourceScholar
2025

HyperHatePrompt: A Hypergraph-based Prompting Fusion Model for Multimodal Hate Detection

COLING 2025main

Multimodal hate detection aims to identify hate content across multiple modalities for promoting a harmonious online environment. Despite promising progress, three critical challenges, the absence of implicit hateful cues, the cross-modal-induced hate, and the diversity of hate target groups, inhere…

2025

Incomplete and Unpaired Multi-View Graph Clustering with Cross-View Feature Fusion

AAAI 2025technical

Due to its effectiveness and efficiency, graph-based multi-view clustering has recently attracted much attention. However, the multi-view data are often incomplete and unpaired in real-world applications as a consequence of data loss or corruption. Although efforts have been made through a series of…

Cited by 0SourcePDFScholar
2025

Is LLM an Overconfident Judge? Unveiling the Capabilities of LLMs in Detecting Offensive Language with Annotation Disagreement

ACL 2025finding

Large Language Models (LLMs) have become essential for offensive language detection, yet their ability to handle annotation disagreement remains underexplored. Disagreement samples, which arise from subjective interpretations, pose a unique challenge due to their ambiguous nature. Understanding how…

2025

Learnable Infinite Taylor Gaussian for Dynamic View Rendering

CVPR 2025poster

Capturing the temporal evolution of Gaussian properties such as position, rotation, and scale is a challenging task due to the vast number of time-varying parameters and the limited photometric data available, which generally results in convergence issues, making it difficult to find an optimal solu…

Cited by 0SourcePDFScholar
2025

LogSI: A Benchmark for System-Incremental Log Analysis

ICASSP 2025accepted

Automated log analysis plays a vital role in software operations, with deep learning methods demonstrating effectiveness for analyzing logs from individual systems. However, existing methods face limitations in efficiency, adaptability, and knowledge preservation in system-incremental log analysis.…

Cited by 0SourceScholar
2025

MMDEND: Dendrite-Inspired Multi-Branch Multi-Compartment Parallel Spiking Neuron for Sequence Modeling

ACL 2025long

Vanilla spiking neurons are simplified from complex biological neurons with dendrites, soma, and synapses, into single somatic compartments. Due to limitations in performance and training efficiency, vanilla spiking neurons face significant challenges in modeling long sequences. In terms of performa…

2025

MRE-MI: A Multi-image Dataset for Multimodal Relation Extraction in Social Media Posts

NAACL 2025findings

Despite recent advances in Multimodal Relation Extraction (MRE), existing datasets and approaches primarily focus on single-image scenarios, overlooking the prevalent real-world cases where relationships are expressed through multiple images alongside text. To address this limitation, we present MRE…

2025

Maximum Next-State Entropy for Efficient Reinforcement Learning

RA-L 2025

Entropy regularization is widely used to improve policy optimization and encourage exploration in reinforcement learning. By maximizing both the expected return and entropy, the agent aims to succeed at the task while acting as randomly as possible. However, current methods based on policy entropy e

Cited by 1SourceScholar
2025

Prototype Tuning: A Meta-Learning Approach for Few-Shot Document-Level Relation Extraction with Large Language Models

NAACL 2025findings

Few-Shot Document-Level Relation Extraction (FSDLRE) aims to develop models capable of generalizing to new categories with minimal support examples. Although Large Language Models (LLMs) demonstrate exceptional In-Context Learning (ICL) capabilities on many few-shot tasks, their performance on FSDLR…

2025

S-EPOA: Overcoming the Indistinguishability of Segments with Skill-Driven Preference-Based Reinforcement Learning

IJCAI 2025

Preference-based reinforcement learning (PbRL) stands out by utilizing human preferences as a direct reward signal, eliminating the need for intricate reward engineering. However, despite its potential, traditional PbRL methods are often constrained by the indistinguishability of segments, which imp

Cited by 0SourcePDFScholar
2025

STAIR: Addressing Stage Misalignment through Temporal-Aligned Preference Reinforcement Learning

NeurIPS 2025poster

Preference-based reinforcement learning (PbRL) bypasses complex reward engineering by learning rewards directly from human preferences, enabling better alignment with human intentions. However, its effectiveness in multi-stage tasks, where agents sequentially perform sub-tasks (e.g., navigation, gra…

Cited by 0SourceScholar
2025

STAR: Efficient Preference-based Reinforcement Learning via Dual Regularization

NeurIPS 2025poster

Preference-based reinforcement learning (PbRL) bypasses complex reward engineering by learning from human feedback. However, due to the high cost of obtaining feedback, PbRL typically relies on a limited set of preference-labeled samples. This data scarcity introduces two key inefficiencies: (1) the…

Cited by 0SourceScholar
2025

Self-Guided Function Calling in Large Language Models via Stepwise Experience Recall

EMNLP 2025

Function calling enables large language models (LLMs) to interact with external systems by leveraging tools and APIs. When faced with multi-step tool usage, LLMs still struggle with tool selection, parameter generation, and tool-chain planning. Existing methods typically rely on manually designing t

2025

Self-Verifying Reflection Helps Transformers with CoT Reasoning

NeurIPS 2025poster

Advanced large language models (LLMs) frequently reflect in reasoning chain-of-thoughts (CoTs), where they self-verify the correctness of current solutions and explore alternatives. However, given recent findings that LLMs detect limited errors in CoTs, how reflection contributes to empirical improv…

Cited by 0SourceScholar
2025

Skeletons Matter: Dynamic Data Augmentation for Text-to-Query

EMNLP 2025

The task of translating natural language questions into query languages has long been a central focus in semantic parsing. Recent advancements in Large Language Models (LLMs) have significantly accelerated progress in this field. However, existing studies typically focus on a single query language,

2025

Spike2Former: Efficient Spiking Transformer for High-performance Image Segmentation

AAAI 2025technical

Spiking Neural Networks (SNNs) have a low-power advantage but perform poorly in image segmentation tasks. The reason is that directly converting neural networks with complex architectural designs for segmentation tasks into spiking versions leads to performance degradation and non-convergence. To ad…

2025

Text-Guided Fine-grained Counterfactual Inference for Short Video Fake News Detection

AAAI 2025technical

Detecting fake news in short videos is crucial for combating misinformation. Existing methods utilize topic modeling and co-attention mechanism, overlooking the modality heterogeneity and resulting in suboptimal performance. To address this issue, we introduce Text-Guided Fine-grained Counterfactual…

Cited by 0SourcePDFScholar
2025

Triple Path Enhanced Neural Architecture Search for Multimodal Fake News Detection

ICASSP 2025accepted

Multimodal fake news detection has become one of the most crucial issues on social media platforms. Although existing methods have achieved advanced performance, two main challenges persist: (1) Under-performed multimodal news information fusion due to model architecture solidification, and (2) weak…

Cited by 0SourceScholar
2025

Unveiling Maternity and Infant Care Conversations: A Chinese Dialogue Dataset for Enhanced Parenting Support

IJCAI 2025

The rapid development of large language models has greatly advanced human-computer dialogue research. However, applying these models to specialized fields like maternity and infant care often leads to subpar performance due to a lack of domain-specific datasets. To address this problem, we have crea

2024

A New Pre-Training Paradigm for Offline Multi-Agent Reinforcement Learning with Suboptimal Data

ICASSP 2024accepted

Offline multi-agent reinforcement learning (MARL) with pre-training paradigm, which uses a large quantity of trajectories for offline pre-training and online deployment, has become fashionable lately. While performing well on various tasks, conventional pre-trained decision-making models based on im…

Cited by 0SourceScholar
2024

Adaptive Reinforcement Tuning Language Models as Hard Data Generators for Sentence Representation

COLING 2024main

Sentence representation learning is a fundamental task in NLP. Existing methods use contrastive learning (CL) to learn effective sentence representations, which benefit from high-quality contrastive data but require extensive human annotation. Large language models (LLMs) like ChatGPT and GPT4 can a…

2024

Beyond Linguistic Cues: Fine-grained Conversational Emotion Recognition via Belief-Desire Modelling

COLING 2024main

Emotion recognition in conversation (ERC) is essential for dialogue systems to identify the emotions expressed by speakers. Although previous studies have made significant progress, accurate recognition and interpretation of similar fine-grained emotion properly accounting for individual variability…

Cited by 2SourcePDFScholar
2024

Breaking the Boundaries: A Unified Framework for Chinese Named Entity Recognition Across Text and Speech

EMNLP 2024finding

In recent years, with the vast and rapidly increasing amounts of spoken and textual data, Named Entity Recognition (NER) tasks have evolved into three distinct categories, i.e., text-based NER (TNER), Speech NER (SNER) and Multimodal NER (MNER). However, existing approaches typically require designi…

2024

Double Reverse Regularization Network Based on Self-Knowledge Distillation for SAR Object Classification

ICASSP 2024accepted

In current synthetic aperture radar (SAR) object classification, one of the major challenges is the severe overfitting issue due to the limited dataset (few-shot) and noisy data. Considering the advantages of knowledge distillation as a learned label smoothing regularization, this paper proposes a n…

Cited by 0SourceScholar
2024

Exploiting the Replay Memory Before Exploring the Environment: Enhancing Reinforcement Learning Through Empirical MDP Iteration

NeurIPS 2024poster

Reinforcement learning (RL) algorithms are typically based on optimizing a Markov Decision Process (MDP) using the optimal Bellman equation. Recent studies have revealed that focusing the optimization of Bellman equations solely on in-sample actions tends to result in more stable optimization, espec…

Cited by 0SourcePDFScholar
2024

GTPT: Group-based Token Pruning Transformer for Efficient Human Pose Estimation

ECCV 2024poster

"In recent years, 2D human pose estimation has made significant progress on public benchmarks. However, many of these approaches face challenges of less applicability in the industrial community due to the large number of parametric quantities and computational overhead. Efficient human pose estimat…

2024

High-Performance Temporal Reversible Spiking Neural Networks with $\mathcal{O}(L)$ Training Memory and $\mathcal{O}(1)$ Inference Cost

ICML 2024spotlight

Multi-timestep simulation of brain-inspired Spiking Neural Networks (SNNs) boost memory requirements during training and increase inference energy cost. Current training methods cannot simultaneously solve both training and inference dilemmas. This work proposes a novel Temporal Reversible architect…

Cited by 0SourcePDFScholar
2024

Improve Meta-learning for Few-Shot Text Classification with All You Can Acquire from the Tasks

EMNLP 2024finding

Meta-learning has emerged as a prominent technology for few-shot text classification and has achieved promising performance. However, existing methods often encounter difficulties in drawing accurate class prototypes from support set samples, primarily due to probable large intra-class differences a…

2024

Integer-Valued Training and Spike-driven Inference Spiking Neural Network for High-performance and Energy-efficient Object Detection

ECCV 2024oral

"Brain-inspired Spiking Neural Networks (SNNs) have bio-plausibility and low-power advantages over Artificial Neural Networks (ANNs). Applications of SNNs are currently limited to simple classification tasks because of their poor performance. In this work, we focus on bridging the performance gap be…

2024

MNER-MI: A Multi-image Dataset for Multimodal Named Entity Recognition in Social Media

COLING 2024main

Recently, multimodal named entity recognition (MNER) has emerged as a vital research area within named entity recognition. However, current MNER datasets and methods are predominantly based on text and a single accompanying image, leaving a significant research gap in MNER scenarios involving multip…

2024

MaDE: Multi-Scale Decision Enhancement for Multi-Agent Reinforcement Learning

ICASSP 2024accepted

In the domain of multi-agent reinforcement learning (MARL), the limited information availability, complex agent interactions, and individual capabilities among agents often pose a bottleneck for effective decision-making. Previous studies frequently fall short due to insufficient consideration of th…

Cited by 0SourceScholar
2024

MetaLA: Unified Optimal Linear Approximation to Softmax Attention Map

NeurIPS 2024oral

Various linear complexity models, such as Linear Transformer (LinFormer), State Space Model (SSM), and Linear RNN (LinRNN), have been proposed to replace the conventional softmax attention in Transformer structures. However, the optimal design of these linear models is still an open question. In thi…

2024

PclGPT: A Large Language Model for Patronizing and Condescending Language Detection

EMNLP 2024finding

Disclaimer: Samples in this paper may be harmful and cause discomfort! Patronizing and condescending language (PCL) is a form of speech directed at vulnerable groups. As an essential branch of toxic language, this type of language exacerbates conflicts and confrontations among Internet communities a…

2024

Privileged Prior Information Distillation for Image Matting

AAAI 2024technical

Performance of trimap-free image matting methods is limited when trying to decouple the deterministic and undetermined regions, especially in the scenes where foregrounds are semantically ambiguous, chromaless, or high transmittance. In this paper, we propose a novel framework named Privileged Prior…

Cited by 1SourcePDFScholar
2024

RENN: A Rule Embedding Enhanced Neural Network Framework for Temporal Knowledge Graph Completion

COLING 2024main

Temporal knowledge graph completion is a critical task within the knowledge graph domain. Existing approaches encompass deep neural network-based methods for temporal knowledge graph embedding and rule-based logical symbolic reasoning. However, the former may not adequately account for structural de…

Cited by 2SourcePDFScholar
2024

Spike-driven Transformer V2: Meta Spiking Neural Network Architecture Inspiring the Design of Next-generation Neuromorphic Chips

ICLR 2024poster

Neuromorphic computing, which exploits Spiking Neural Networks (SNNs) on neuromorphic chips, is a promising energy-efficient alternative to traditional AI. CNN-based SNNs are the current mainstream of neuromorphic computing. By contrast, no neuromorphic chips are designed especially for Transformer-…

2024

SpikeVoice: High-Quality Text-to-Speech Via Efficient Spiking Neural Network

ACL 2024long

Brain-inspired Spiking Neural Network (SNN) has demonstrated its effectiveness and efficiency in vision, natural language, and speech understanding tasks, indicating their capacity to “see”, “listen”, and “read”. In this paper, we design SpikeVoice, which performs high-quality Text-To-Speech (TTS) v…

2024

Take Its Essence, Discard Its Dross! Debiasing for Toxic Language Detection via Counterfactual Causal Effect

COLING 2024main

Researchers have attempted to mitigate lexical bias in toxic language detection (TLD). However, existing methods fail to disentangle the “useful” and “misleading” impact of lexical bias on model decisions. Therefore, they do not effectively exploit the positive effects of the bias and lead to a degr…

2024

Temporal Knowledge Graph Reasoning with Dynamic Hypergraph Embedding

COLING 2024main

Reasoning over the Temporal Knowledge Graph (TKG) that predicts facts in the future has received much attention. Most previous works attempt to model temporal dynamics with knowledge graphs and graph convolution networks. However, these methods lack the consideration of high-order interactions betwe…

Cited by 4SourcePDFScholar
2024

Towards Comprehensive Detection of Chinese Harmful Memes

NeurIPS 2024poster

Harmful memes have proliferated on the Chinese Internet, while research on detecting Chinese harmful memes significantly lags behind due to the absence of reliable datasets and effective detectors. To this end, we present the comprehensive detection of Chinese harmful memes. We introduce ToxiCN MM,…

2024

Unveiling Opinion Evolution via Prompting and Diffusion for Short Video Fake News Detection

ACL 2024findings

Short video fake news detection is crucial for combating the spread of misinformation. Current detection methods tend to aggregate features from individual modalities into multimodal features, overlooking the implicit opinions and the evolving nature of opinions across modalities. In this paper, we…

Cited by 3SourcePDFScholar
2024

ViLaS: Exploring the Effects of Vision and Language Context in Automatic Speech Recognition

ICASSP 2024accepted

Enhancing automatic speech recognition (ASR) performance by leveraging additional multimodal information has shown promising results in previous studies. However, most of these works have primarily focused on utilizing visual cues derived from human lip motions. In fact, context-dependent visual and…

Cited by 0SourceScholar
2024

Video-Context Aligned Transformer for Video Question Answering

AAAI 2024technical

Video question answering involves understanding video content to generate accurate answers to questions. Recent studies have successfully modeled video features and achieved diverse multimodal interaction, yielding impressive outcomes. However, they have overlooked the fact that the video contains r…

Cited by 3SourcePDFScholar
2023

A Rotation-Translation-Decoupled Solution for Robust and Efficient Visual-Inertial Initialization

CVPR 2023poster

We propose a novel visual-inertial odometry (VIO) initialization method, which decouples rotation and translation estimation, and achieves higher efficiency and better robustness. Existing loosely-coupled VIO-initialization methods suffer from poor stability of visual structure-from-motion (SfM), wh…

2023

Complex Dynamic Neurons Improved Spiking Transformer Network for Efficient Automatic Speech Recognition

AAAI 2023technical

The spiking neural network (SNN) using leaky-integrated-and-fire (LIF) neurons has been commonly used in automatic speech recognition (ASR) tasks. However, the LIF neuron is still relatively simple compared to that in the biological brain. Further research on more types of neurons with different sca…

2023

Facilitating Fine-grained Detection of Chinese Toxic Language: Hierarchical Taxonomy, Resources, and Benchmarks

ACL 2023long

The widespread dissemination of toxic online posts is increasingly damaging to society. However, research on detecting toxic language in Chinese has lagged significantly due to limited datasets. Existing datasets suffer from a lack of fine-grained annotations, such as the toxic type and expressions…

2023

Inherent Redundancy in Spiking Neural Networks

ICCV 2023poster

Spiking Neural Networks (SNNs) are well known as a promising energy-efficient alternative to conventional artificial neural networks. Subject to the preconceived impression that SNNs are sparse firing, the analysis and optimization of inherent redundancy in SNNs have been largely overlooked, thus th…

Cited by 26PDFcodeScholar
2023

Just Like a Human Would, Direct Access to Sarcasm Augmented with Potential Result and Reaction

ACL 2023long

Sarcasm, as a form of irony conveying mockery and contempt, has been widespread in social media such as Twitter and Weibo, where the sarcastic text is commonly characterized as an incongruity between the surface positive and negative situation. Naturally, it has an urgent demand to automatically ide…

2023

Matching-Based Term Semantics Pre-Training for Spoken Patient Query Understanding

ICASSP 2023accepted

Medical Slot Filling (MSF) task aims to convert medical queries into structured information, playing an essential role in diagnosis dialogue systems. However, the lack of sufficient term semantics learning makes existing approaches hard to capture semantically identical but colloquial expressions of…

Cited by 0SourceScholar
2023

ODE-based Recurrent Model-free Reinforcement Learning for POMDPs

NeurIPS 2023poster

Neural ordinary differential equations (ODEs) are widely recognized as the standard for modeling physical mechanisms, which help to perform approximate inference in unknown physical or biological environments. In partially observable (PO) environments, how to infer unseen information from raw observ…

Cited by 9SourcePDFScholar
2023

PiCor: Multi-Task Deep Reinforcement Learning with Policy Correction

AAAI 2023technical

Multi-task deep reinforcement learning (DRL) ambitiously aims to train a general agent that masters multiple tasks simultaneously. However, varying learning speeds of different tasks compounding with negative gradients interference makes policy learning inefficient. In this work, we propose PiCor, a…

2023

Replay Memory as An Empirical MDP: Combining Conservative Estimation with Experience Replay

ICLR 2023poster

Experience replay, which stores transitions in a replay memory for repeated use, plays an important role of improving sample efficiency in reinforcement learning. Existing techniques such as reweighted sampling, episodic learning and reverse sweep update further process the information in the replay…

Cited by 11SourcePDFScholar
2023

Ultra Real-Time Portrait Matting via Parallel Semantic Guidance

ICASSP 2023accepted

Most existing portrait matting models either require expensive auxiliary information or try to decompose the task into sub-tasks that are usually resource-hungry. These challenges limit its application on low-power computing devices. In this paper, we propose an ultra-light-weighted portrait matting…

Cited by 0SourceScholar
2022

A Multi Domain Knowledge Enhanced Matching Network for Response Selection in Retrieval-Based Dialogue Systems

ICASSP 2022accepted

Building a human-machine conversational agent is a core problem in Artificial Intelligence, where knowledge has to be integrated into the model effectively. In this paper, we propose a Multi Domain Knowledge Enhanced Matching Network (MDKEMN) to build retrievalbased dialogue systems that could lever…

Cited by 0SourceScholar
2022

Different Data, Different Modalities! Reinforced Data Splitting for Effective Multimodal Information Extraction from Social Media Posts

COLING 2022main

Recently, multimodal information extraction from social media posts has gained increasing attention in the natural language processing community. Despite their success, current approaches overestimate the significance of images. In this paper, we argue that different social media posts should consid…

2022

Improving Cross-Modal Understanding in Visual Dialog Via Contrastive Learning

ICASSP 2022accepted

Visual Dialog is a challenging vision-language task since the visual dialog agent needs to answer a series of questions after reasoning over both the image content and dialog history. Though existing methods try to deal with the cross-modal understanding in visual dialog, they are still not enough i…

Cited by 0SourceScholar
2022

Improving End-to-End Contextual Speech Recognition with Fine-Grained Contextual Knowledge Selection

ICASSP 2022accepted

Nowadays, most methods for end-to-end contextual speech recognition bias the recognition process towards contextual knowledge. Since all-neural contextual biasing methods rely on phrase-level contextual modeling and attention-based relevance modeling, they may suffer from the confusion between simil…

Cited by 59SourceScholar
2022

Leveraging Structural Information to Improve Point Line Visual-Inertial Odometry

RA-L 2022

Leveraging line features to improve the accuracy of the SLAM system has been studied in many works. However, making full use of the characteristics of different line features (parallel, non-parallel) to improve the SLAM system is rarely mentioned. In this paper, we designed a VIO system based on poi

Cited by 36SourcecodeScholar
2022

Motif-Topology and Reward-Learning Improved Spiking Neural Network for Efficient Multi-Sensory Integration

ICASSP 2022accepted

Network architectures and learning principles are key in forming complex functions in artificial neural networks (ANNs) and spiking neural networks (SNNs). SNNs are considered the new-generation artificial networks by incorporating more biological features than ANNs, including dynamic spiking neuron…

Cited by 0SourceScholar
2022

Multi-Sacle Dynamic Coding Improved Spiking Actor Network for Reinforcement Learning

AAAI 2022technical

With the help of deep neural networks (DNNs), deep reinforcement learning (DRL) has achieved great success on many complex tasks, from games to robotic control. Compared to DNNs with partial brain-inspired structures and functions, spiking neural networks (SNNs) consider more biological features, in…

Cited by 44SourcePDFScholar
2022

RealMedDial: A Real Telemedical Dialogue Dataset Collected from Online Chinese Short-Video Clips

COLING 2022main

Intelligent medical services have attracted great research interests for providing automated medical consultation. However, the lack of corpora becomes a main obstacle to related research, particularly data from real scenarios. In this paper, we construct RealMedDial, a Chinese medical dialogue data…

2022

SDETR: Attention-Guided Salient Object Detection with Transformer

ICASSP 2022accepted

Most existing CNN-based salient object detection methods can identify fine-grained segmentation details like hair and animal fur, but often mispredict the salient object due to lack of global contextual information caused by locality convolution layers. The limited training data of the current SOD t…

Cited by 0SourceScholar
2021

Cif-Based Collaborative Decoding for End-to-End Contextual Speech Recognition

ICASSP 2021accepted

End-to-end (E2E) models have achieved promising results on multiple speech recognition benchmarks, and shown the potential to become the mainstream. However, the unified structure and the E2E training hamper injecting context information into them for contextual biasing. Though contextual LAS (CLAS)…

Cited by 0SourceScholar
2021

Consecutive Decoding for Speech-to-text Translation

AAAI 2021technical

Speech-to-text translation (ST), which directly translates the source language speech to the target language text, has attracted intensive attention recently. However, the combination of speech recognition and machine translation in a single model poses a heavy burden on the direct cross-modal cross…

2021

Counterfactual Supporting Facts Extraction for Explainable Medical Record Based Diagnosis with Graph Network

NAACL 2021long

Providing a reliable explanation for clinical diagnosis based on the Electronic Medical Record (EMR) is fundamental to the application of Artificial Intelligence in the medical field. Current methods mostly treat the EMR as a text sequence and provide explanations based on a precise medical knowledg…

2021

Listen, Understand and Translate: Triple Supervision Decouples End-to-end Speech-to-text Translation

AAAI 2021technical

An end-to-end speech-to-text translation (ST) takes audio in a source language and outputs the text in a target language. Existing methods are limited by the amount of parallel corpus. Can we build a system to fully utilize signals in a parallel ST corpus? We are inspired by human understanding syst…

2021

MixSpeech: Data Augmentation for Low-Resource Automatic Speech Recognition

ICASSP 2021accepted

In this paper, we propose MixSpeech, a simple yet effective data augmentation method based on mixup for automatic speech recognition (ASR). MixSpeech trains an ASR model by taking a weighted combination of two different speech features (e.g., mel-spectrograms or MFCC) as the input, and recognizing b…

Cited by 0SourceScholar
2021

Virtual Multi-Modality Self-Supervised Foreground Matting for Human-Object Interaction

ICCV 2021poster

Most existing human matting algorithms tried to separate pure human-only foreground from the background. In this paper, we propose a Virtual Multi-modality Foreground Matting (VMFM) method to learn human-object interactive foreground (human and objects interacted with him or her) from a raw RGB imag…

Cited by 7PDFcodeScholar
2021

Wase: Learning When to Attend for Speaker Extraction in Cocktail Party Environments

ICASSP 2021accepted

In the speaker extraction problem, it is found that additional information from the target speaker contributes to the tracking and extraction of the target speaker, which includes voiceprint, lip movement, facial expression, and spatial information. However, no one cares for the cue of sound onset,…

Cited by 0SourceScholar
2020

Knowledge Aware Emotion Recognition in Textual Conversations via Multi-Task Incremental Transformer

COLING 2020main

Emotion recognition in textual conversations (ERTC) plays an important role in a wide range of applications, such as opinion mining, recommender systems, and so on. ERTC, however, is a challenging task. For one thing, speakers often rely on the context and commonsense knowledge to express emotions;…

Cited by 54SourcePDFScholar
2020

LISNN: Improving Spiking Neural Networks with Lateral Interactions for Robust Object Recognition

IJCAI 2020poster

Spiking Neural Network (SNN) is considered more biologically plausible and energy-efficient on emerging neuromorphic hardware. Recently backpropagation algorithm has been utilized for training SNN, which allows SNN to go deeper and achieve higher performance. However, most existing SNN models for ob…

2020

Sequence to Multi-Sequence Learning via Conditional Chain Mapping for Mixture Signals

NeurIPS 2020poster

Neural sequence-to-sequence models are well established for applications which can be cast as mapping a single input sequence into a single output sequence. In this work, we focus on one-to-many sequence transduction problems, such as extracting multiple sequential sources from a mixture sequence.…

2019

Self-attention Aligner: A Latency-control End-to-end Model for ASR Using Self-attention Network and Chunk-hopping

ICASSP 2019accepted

Self-attention network, an attention-based feedforward neural network, has recently shown the potential to replace recurrent neural networks (RNNs) in a variety of NLP tasks. However, it is not clear if the self-attention network could be a good alternative of RNNs in automatic speech recognition (A…

Cited by 0SourceScholar
2018

CBLDNN-Based Speaker-Independent Speech Separation Via Generative Adversarial Training

ICASSP 2018accepted

In this paper, we propose a speaker-independent multi-speaker monaural speech separation system (CBLDNN-GAT) based on convolutional, bidirectional long short-term memory, deep feedforward neural network (CBLDNN) with generative adversarial training (GAT). Our system aims at obtaining better speech q…

Cited by 0SourceScholar
2017

Combining unidirectional long short-term memory with convolutional output layer for high-performance speech synthesis

ICASSP 2017accepted

In this paper, we target improving the accuracy of acoustic modelling for statistical parametric speech synthesis (SPSS) and introduce the convolutional neural network (CNN) due to its powerful capacity in locality modelling. A novel model architecture combining unidirectional long short-term memory…

Cited by 0SourceScholar
2016

Gating recurrent mixture density networks for acoustic modeling in statistical parametric speech synthesis

ICASSP 2016accepted

Though recurrent neural networks (RNNs) using long short-term memory (LSTM) units can address the issue of long-span dependencies across the linguistic inputs and have achieved the state-of-the-art performance for statistical parametric speech synthesis (SPSS), another limitation of the intrinsic un…

Cited by 0SourceScholar