← Search

bo peng

60 accepted papers

2026

A Close Look at Negative Label Guided Out-of-distribution Detection in Pre-trained Vision-Language Models

ICML 2026poster

Advances in pre-trained vision-language models have enabled zero-shot out-of-distribution (OOD) detection using only in-distribution (ID) labels. Recent methods in this direction expand the label space with negative labels to enhance the discrimination between ID and OOD inputs. Despite their promis…

Cited by 0SourceScholar
2026

Delving into Spectral Clustering with Vision-Language Representations

ICLR 2026poster

Spectral clustering is known as a powerful technique in unsupervised data analysis. The vast majority of approaches to spectral clustering are driven by a single modality, leaving the rich information in multi-modal representations untapped. Inspired by the recent success of vision-language pre-tr…

Cited by 0SourceScholar
2026

GeoPurify: A Data-Efficient Geometric Distillation Framework for Open-Vocabulary 3D Segmentation

ICLR 2026poster

Recent attempts to transfer features from 2D Vision–Language Models (VLMs) to 3D semantic segmentation expose a persistent trade-off. Directly projecting 2D features into 3D yields noisy and fragmented predictions, whereas enforcing geometric coherence necessitates costly training pipelines and larg…

Cited by 0SourcecodeScholar
2026

HiVid: LLM-Guided Video Saliency For Content-Aware VOD And Live Streaming

ICLR 2026poster

Content-aware streaming requires dynamic, chunk-level importance weights to optimize subjective quality of experience (QoE). However, direct human annotation is prohibitively expensive while vision-saliency models generalize poorly. We introduce HiVid, the first framework to leverage Large Language…

Cited by 0SourceScholar
2026

Respecting Modality Gap in Post-hoc Out-of-distribution Detection with Pre-trained Vision-Language Models

ICML 2026poster

Out-of-distribution (OOD) detection has emerged as a popular technique to enhance the reliability of machine learning models by identifying unexpected inputs from unknown classes. Recent progress in pre-trained vision–language models (VLMs) has enabled zero-shot OOD detection without access to in-di…

Cited by 0SourceScholar
2026

Rethinking Target Label Conditioning in Adversarial Attacks: A 2D Tensor-Guided Generative Approach

AAAI 2026technical

Compared to single-target adversarial attacks, multi-target attacks have garnered significant attention due to their ability to generate adversarial images for multiple target classes simultaneously. However, existing generative approaches for multi-target attacks primarily encode target labels into

Cited by 0SourcePDFScholar
2026

Revisiting MLLM Based Image Quality Assessment: Errors and Remedy

AAAI 2026technical

The rapid progress of multi-modal large language models (MLLMs) has boosted the task of image quality assessment (IQA). However, a key challenge arises from the inherent mismatch between the discrete token outputs of MLLMs and the continuous nature of quality scores required by IQA tasks. This discr

Cited by 0SourcePDFScholar
2026

STD-Former: Image-Conditioned Texture Dictionary Encoding with Sparse Topological Supervision for Texture Recognition

ICML 2026poster

Texture recognition is often framed as matching an image to a static training-set dictionary or codebook. In practice, this assumption is brittle: label-preserving transformations (illumination, scale, compression, blur) can shift test features away from the fixed training dictionary, producing a tr…

Cited by 0SourceScholar
2026

Same Attention, Different Truths: Put Logit-Lens over Visual Attention to Detect and Mitigate LVLM Object Hallucination

CVPR 2026

Large Vision-Language Models (LVLMs) often suffer from object hallucination, generating objects that are absent from the image. Prior work largely attributes this to insufficient visual attention. However, in this work, we are surprised to find that both real and hallucinated objects receive equally

Cited by 0SourcecodeScholar
2025

$\texttt{STRCMP}$: Integrating Graph Structural Priors with Language Models for Combinatorial Optimization

NeurIPS 2025poster

Combinatorial optimization (CO) problems, central to operation research and theoretical computer science, present significant computational challenges due to their $\mathcal{NP}$-hard nature. While large language models (LLMs) have emerged as promising tools for CO—either by directly generating solu…

Cited by 0SourcecodeScholar
2025

An Information-theoretical Framework for Understanding Out-of-distribution Detection with Pretrained Vision-Language Models

NeurIPS 2025poster

Out-of-distribution (OOD) detection, recognized for its ability to identify samples of unknown classes, provides solid advantages in ensuring the reliability of machine learning models. Among existing OOD detection methods, pre-trained vision-language models have emerged as powerful post-hoc OOD de…

Cited by 0SourceScholar
2025

Analyzing Fine-Grained Alignment and Enhancing Vision Understanding in Multimodal Language Models

NeurIPS 2025poster

Achieving better alignment between vision embeddings and Large Language Models (LLMs) is crucial for enhancing the abilities of Multimodal LLMs (MLLMs), particularly for recent models that rely on powerful pretrained vision encoders and LLMs. A common approach to connect the pretrained vision encode…

Cited by 0SourceScholar
2025

Distribution Alignment Informed Thresholding for Semi-Supervised Curvilinear Structure Segmentation

ICASSP 2025accepted

Curvilinear structure segmentation using deep neural networks is often limited by the high cost of annotation. Semi-supervised learning (SSL) helps mitigate this dependency on extensive annotated data. State-of-the-art SSL approaches generate pseudo-labels for unlabeled data, which are then used for…

Cited by 0SourceScholar
2025

IP-Dialog: Evaluating Implicit Personalization in Dialogue Systems with Synthetic Data

EMNLP 2025

In modern dialogue systems, the ability to implicitly infer user backgrounds from conversations and leverage this information for personalized assistance is crucial. However, the scarcity of high-quality data remains a fundamental challenge to evaluating and improving this capability. Traditional da

2025

Image-level Memorization Detection via Inversion-based Inference Perturbation

ICLR 2025poster

Recent studies have discovered that widely used text-to-image diffusion models can replicate training samples during image generation, a phenomenon known as memorization. Existing detection methods primarily focus on identifying memorized prompts. However, in real-world scenarios, image owners may n…

Cited by 0SourcePDFScholar
2025

MM-Tracker: Motion Mamba for UAV-platform Multiple Object Tracking

AAAI 2025technical

Multiple object tracking (MOT) from unmanned aerial vehicle (UAV) platforms requires efficient motion modeling. This is because UAV-MOT faces both local object motion and global camera motion. Motion blur also increases the difficulty of detecting large moving objects. Previous UAV motion modeling a…

2025

On the Provable Importance of Gradients for Autonomous Language-Assisted Image Clustering

ICCV 2025poster

This paper investigates the recently emerged problem of Language-assisted Image Clustering (LaIC), where textual semantics are leveraged to improve the discriminability of visual representations to facilitate image clustering. Due to the unavailability of true class names, one of core challenges of…

Cited by 0SourcePDFScholar
2025

Partial Reconstruction Error for Deepfake Detection

ICASSP 2025accepted

The rapid development of deepfake technology poses a formidable challenge to personal privacy and security, underscoring the urgent need for deepfake detection. Recently, the methods based on the reconstruction error, such as DIRE and RECCE, achieve impressive performance in forgery detection. Howev…

Cited by 0SourceScholar
2025

Real-IAD D3: A Real-World 2D/Pseudo-3D/3D Dataset for Industrial Anomaly Detection

CVPR 2025poster

The increasing complexity of industrial anomaly detection (IAD) has positioned multimodal detection methods as a focal area of machine vision research. However, dedicated multimodal datasets specifically tailored for IAD remain limited. Pioneering datasets like MVTec 3D have laid essential groundwor…

2025

SAPIENT: Mastering Multi-turn Conversational Recommendation with Strategic Planning and Monte Carlo Tree Search

NAACL 2025long

Conversational Recommender Systems (CRS) proactively engage users in interactive dialogues to elicit user preferences and provide personalized recommendations. Existing methods train Reinforcement Learning (RL)-based agent with greedy action selection or sampling strategy, and may suffer from subopt…

2025

UniCombine: Unified Multi-Conditional Combination with Diffusion Transformer

ICCV 2025poster

With the rapid development of diffusion models in image generation, the demand for more powerful and flexible controllable frameworks is increasing. Although existing methods can guide generation beyond text prompts, the challenge of effectively combining multiple conditional inputs while maintainin…

2024

AE-NeRF: Audio Enhanced Neural Radiance Field for Few Shot Talking Head Synthesis

AAAI 2024technical

Audio-driven talking head synthesis is a promising topic with wide applications in digital human, film making and virtual reality. Recent NeRF-based approaches have shown superiority in quality and fidelity compared to previous studies. However, when it comes to few-shot talking head generation, a p…

Cited by 10SourcePDFScholar
2024

Be Helpful but Don’t Talk too Much - Enhancing Helpfulness in Conversations through Relevance in Multi-Turn Emotional Support

EMNLP 2024main

For a conversation to help and support, speakers should maintain an “effect-effort” tradeoff. As outlined in the gist of “Cognitive Relevance Principle”, helpful speakers should optimize the “cognitive relevance” through maximizing the “cognitive effects” and minimizing the “processing effort” impos…

2024

Codec Avatar Studio: Paired Human Captures for Complete, Driveable, and Generalizable Avatars

NeurIPS 2024poster

To build photorealistic avatars that users can embody, human modelling must be complete (cover the full body), driveable (able to reproduce the current motion and appearance from the user), and generalizable (_i.e._, easily adaptable to novel identities). Towards these goals, _paired_ captures, that…

2024

ConditionVideo: Training-Free Condition-Guided Video Generation

AAAI 2024technical

Recent works have successfully extended large-scale text-to-image models to the video domain, producing promising results but at a high computational cost and requiring a large amount of video data. In this work, we introduce ConditionVideo, a training-free approach to text-to-video generation based…

Cited by 13SourcePDFScholar
2024

ConjNorm: Tractable Density Estimation for Out-of-Distribution Detection

ICLR 2024poster

Post-hoc out-of-distribution (OOD) detection has garnered intensive attention in reliable machine learning. Many efforts have been dedicated to deriving score functions based on logits, distances, or rigorous data distribution assumptions to identify low-scoring OOD samples. Nevertheless, these esti…

Cited by 11SourcePDFScholar
2024

EmbodiedBERT: Cognitively Informed Metaphor Detection Incorporating Sensorimotor Information

EMNLP 2024finding

The identification of metaphor is a crucial prerequisite for many downstream language tasks, such as sentiment analysis, opinion mining, and textual entailment. State-of-the-art systems of metaphor detection implement heuristic principles such as Metaphor Identification Procedure (MIP) and Selection…

2024

Emstremo: Adapting Emotional Support Response with Enhanced Emotion-Strategy Integrated Selection

COLING 2024main

To provide effective support, it is essential for a skilled supporter to emotionally resonate with the help-seeker’s current emotional state. In conversational interactions, this emotional alignment is further influenced by the comforting strategies employed by the supporter. Different strategies gu…

2024

End-to-End Learning of LTLf Formulae by Faithful LTLf Encoding

AAAI 2024technical

It is important to automatically discover the underlying tree-structured formulae from large amounts of data. In this paper, we examine learning linear temporal logic on finite traces (LTLf) formulae, which is a tree structure syntactically and characterizes temporal properties semantically. Its cor…

2024

Learning Dense Correspondence for NeRF-Based Face Reenactment

AAAI 2024technical

Face reenactment is challenging due to the need to establish dense correspondence between various face representations for motion transfer. Recent studies have utilized Neural Radiance Field (NeRF) as fundamental representation, which further enhanced the performance of multi-view face reenactment i…

Cited by 11SourcePDFScholar
2024

Learning to Shape In-distribution Feature Space for Out-of-distribution Detection

NeurIPS 2024poster

Out-of-distribution (OOD) detection is critical for deploying machine learning models in the open world. To design scoring functions that discern OOD data from the in-distribution (ID) cases from a pre-trained discriminative model, existing methods tend to make rigorous distributional assumptions ei…

Cited by 2SourcePDFScholar
2024

Omni6DPose: A Benchmark and Model for Universal 6D Object Pose Estimation and Tracking

ECCV 2024poster

"6D object pose estimation is crucial in the field of computer vision. However, it suffers from a significant lack of large-scale and diverse datasets, impeding comprehensive model evaluation and curtailing downstream applications. To address these issues, this paper introduces , a substantial bench…

Cited by 12SourcePDFScholar
2024

Online Learning-Based Inertial Parameter Identification of Unknown Object for Model-Based Control of Wheeled Humanoids

RA-L 2024

Identifying the dynamic properties of manipulated objects is essential for safe and accurate robot control. Most methods rely on low-noise force-torque sensors, long exciting signals, and solving nonlinear optimization problems, making the estimation process slow. In this work, we propose a fast, on

Cited by 7SourceScholar
2024

S^3D-NeRF: Single-Shot Speech-Driven Neural Radiance Field for High Fidelity Talking Head Synthesis

ECCV 2024poster

"Talking head synthesis is a practical technique with wide applications. Current Neural Radiance Field (NeRF) based approaches have shown their superiority on driving one-shot talking heads with videos or signals regressed from audio. However, most of them failed to take the audio as driven informat…

Cited by 3SourcePDFScholar
2024

Solving Spectrum Unmixing as a Multi-Task Bayesian Inverse Problem with Latent Factors for Endmember Variability

AAAI 2024technical

With the increasing customization of spectrometers, spectral unmixing has become a widely used technique in fields such as remote sensing, textiles, and environmental protection. However, endmember variability is a common issue for unmixing, where changes in lighting, atmospheric, temporal condition…

Cited by 0SourcePDFScholar
2024

URHand: Universal Relightable Hands

CVPR 2024poster

Existing photorealistic relightable hand models require extensive identity-specific observations in different views poses and illuminations and face challenges in generalizing to natural illuminations and novel identities. To bridge this gap we present URHand the first universal relightable hand mod…

Cited by 11SourcePDFScholar
2024

eCeLLM: Generalizing Large Language Models for E-commerce from Large-scale, High-quality Instruction Data

ICML 2024poster

With tremendous efforts on developing effective e-commerce models, conventional e-commerce models show limited success in generalist e-commerce modeling, and suffer from unsatisfactory performance on new users and new products – a typical out-of-domain generalization challenge. Meanwhile, large lang…

2023

A Dataset of Relighted 3D Interacting Hands

NeurIPS 2023poster

The two-hand interaction is one of the most challenging signals to analyze due to the self-similarity, complicated articulations, and occlusions of hands. Although several datasets have been proposed for the two-hand interaction analysis, all of them do not achieve 1) diverse and realistic image app…

2023

A Multi-Signal Perception Network for Textile Composition Identification

ICASSP 2023accepted

Textile composition identification (TCI) is an essential basic link in the textile industry. Methods based on computer vision or near-infrared (NIR) signal processing have shown potential for the nondestructive TCI task. However, these methods ignore that the integration of NIR signals and visual in…

Cited by 0SourceScholar
2023

Bit-Shrinking: Limiting Instantaneous Sharpness for Improving Post-Training Quantization

CVPR 2023poster

Post-training quantization (PTQ) is an effective compression method to reduce the model size and computational cost. However, quantizing a model into a low-bit one, e.g., lower than 4, is difficult and often results in nonnegligible performance degradation. To address this, we investigate the loss l…

Cited by 21SourcePDFScholar
2023

On the Last-iterate Convergence in Time-varying Zero-sum Games: Extra Gradient Succeeds where Optimism Fails

NeurIPS 2023poster

Last-iterate convergence has received extensive study in two player zero-sum games starting from bilinear, convex-concave up to settings that satisfy the MVI condition. Typical methods that exhibit last-iterate convergence for the aforementioned games include extra-gradient (EG) and optimistic gradi…

Cited by 12SourcePDFScholar
2023

RWKV: Reinventing RNNs for the Transformer Era

EMNLP 2023long findings

Transformers have revolutionized almost all natural language processing (NLP) tasks but suffer from memory and computational complexity that scales quadratically with sequence length. In contrast, recurrent neural networks (RNNs) exhibit linear scaling in memory and computational requirements but st…

Cited by 0SourceScholar
2022

Bridging LTLf Inference to GNN Inference for Learning LTLf Formulae

AAAI 2022technical

Learning linear temporal logic on finite traces (LTLf) formulae aims to learn a target formula that characterizes the high-level behavior of a system from observation traces in planning. Existing approaches to learning LTLf formulae, however, can hardly learn accurate LTLf formulae from noisy data.…

2022

Deep Stereo Image Compression via Bi-Directional Coding

CVPR 2022poster

Existing learning-based stereo compression methods usually adopt a unidirectional approach to encoding one image independently and the other image conditioned upon the first. This paper proposes a novel bi-directional coding-based end-to-end stereo image compression network (BCSIC-Net). BCSIC-Net co…

Cited by 28PDFScholar
2021

MUST-GAN: Multi-Level Statistics Transfer for Self-Driven Person Image Generation

CVPR 2021poster

Pose-guided person image generation usually involves using paired source-target images to supervise the training, which significantly increases the data preparation effort and limits the application of the models. To deal with this problem, we propose a novel multi-level statistics transfer model, w…

Cited by 36PDFScholar
2021

Robust Spatial-Temporal Correlation Model for Background Initialization in Severe Scene

ICASSP 2021accepted

Scene background initialization is an important step as one low-layer method for high-layer applications in computer vision. However, this process is always affected by practical challenges such as illumination changes, back-ground motion, camera jitter, intermittent movement and bad weather outdoor…

Cited by 0SourceScholar
2021

TGEA: An Error-Annotated Dataset and Benchmark Tasks for TextGeneration from Pretrained Language Models

ACL 2021long

In order to deeply understand the capability of pretrained language models in text generation and conduct a diagnostic evaluation, we propose TGEA, an error-annotated dataset with multiple benchmark tasks for text generation from pretrained language models (PLMs). We use carefully selected prompt wo…

2019

Sparse Subspace Clustering for Evolving Data Streams

ICASSP 2019accepted

The data streams arising in many applications can be modeled as a union of low-dimensional subspaces known as multi-subspace data streams (MSDSs). Clustering MSDSs according to their underlying low-dimensional subspaces is a challenging problem which has not been resolved satisfactorily by existing…

Cited by 0SourceScholar
2018

Extreme Network Compression via Filter Group Approximation

ECCV 2018poster

In this paper we propose a novel decomposition method based on filter group approximation, which can significantly reduce the redundancy of deep convolutional neural networks (CNNs) while maintaining the majority of feature representation. Unlike other low-rank decomposition algorithms which operate…

Cited by 82SourcePDFScholar
2017

Sound physical property matching between non central listening point and central listening point for NHK 22.2 system reproduction

ICASSP 2017accepted

NHK has proposed a famous 3D audio system: 22.2 multi-channel system, but its loudspeakers are too many and are troublesome to put in home. Ando and Wang has proposed two simplification methods to reduce its channel number, but only 3D sound field at the central listening point can be recovered well…

Cited by 0SourceScholar