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Chen Tang

61 accepted papers

2026

3D-Aware Multi-Task Learning with Cross-View Correlations for Dense Scene Understanding

CVPR 2026

This paper addresses the challenge of training a single network to jointly perform multiple dense prediction tasks, such as segmentation and depth estimation, i.e., multi-task learning (MTL). Current approaches mainly capture cross-task relations in the 2D image space, often leading to unstructured

Cited by 0SourcecodeScholar
2026

AgriEval: A Comprehensive Chinese Agricultural Benchmark for Large Language Models

AAAI 2026technical

n the agricultural domain, the deployment of large language models (LLMs) is hindered by the lack of training data and evaluation benchmarks. To mitigate this issue, we propose AgriEval, the first comprehensive Chinese agricultural benchmark with three main characteristics: (1) Comprehensive Capabil

Cited by 0SourcePDFScholar
2026

FlashMesh: Faster and Better Autoregressive Mesh Synthesis via Structured Speculation

CVPR 2026

Autoregressive models can generate high-quality 3D meshes by sequentially producing vertices and faces, but their token-by-token decoding results in slow inference, limiting practical use in interactive and large-scale applications.We present FlashMesh, a fast and high-fidelity mesh generation frame

Cited by 0SourcecodeScholar
2026

LECTOR: Joint Learning of Scientific Reasoning Graphs and Introduction Generation

ICML 2026poster

AI Scientists have shown promising progress across multiple stages of the research pipeline, among which automatic scientific paper writing remains a formidable challenge. The Introduction writing is especially challenging, which demands not only linguistic fluency, but logical soundness and verifia…

Cited by 0SourceScholar
2026

MimiCAT: Mimic with Correspondence-Aware Cascade-Transformer for Category-Free 3D Pose Transfer

CVPR 2026

3D pose transfer aims to transfer the pose-style of a source mesh to a target character while preserving both the target's geometry and the source's pose characteristic. Existing methods are largely restricted to characters with similar structures and fail to generalize to category-free settings (e.

Cited by 0SourceScholar
2026

SP-VLA: A Joint Model Scheduling and Token Pruning Approach for VLA Model Acceleration

ICLR 2026poster

Vision-Language-Action (VLA) models have attracted increasing attention for their strong control capabilities. However, their high computational cost and low execution frequency hinder their suitability for real-time tasks such as robotic manipulation and autonomous navigation. Existing VLA accelera…

Cited by 0SourcecodeScholar
2026

TIC-VLA: A Think-in-Control Vision-Language-Action Model for Robot Navigation in Dynamic Environments

ICML 2026poster

Robots in dynamic, human-centric environments must follow language instructions while maintaining real-time reactive control. Vision-language-action (VLA) models offer a promising framework, but they assume temporally aligned reasoning and control, despite semantic inference being inherently delayed…

Cited by 0SourceScholar
2026

Untraceable DeepFakes via Traceable Fingerprint Elimination

ICLR 2026poster

Recent advancements in DeepFakes attribution technologies have significantly enhanced forensic capabilities, enabling the extraction of traces left by generative models (GMs) in images, making DeepFakes traceable back to their source GMs. Meanwhile, several attacks have attempted to evade attributio…

Cited by 0SourceScholar
2026

VVS: Accelerating Speculative Decoding for Visual Autoregressive Generation via Partial Verification Skipping

CVPR 2026

Visual autoregressive (AR) generation models have demonstrated strong potential for image generation, yet their next-token-prediction paradigm introduces considerable inference latency. Although speculative decoding (SD) has been proven effective for accelerating visual AR models, its "draft one ste

Cited by 0SourcecodeScholar
2025

Accelerating Parallel Diffusion Model Serving with Residual Compression

NeurIPS 2025poster

Diffusion models produce realistic images and videos but require substantial computational resources, necessitating multi-accelerator parallelism for real-time deployment. However, parallel inference introduces significant communication overhead from exchanging large activations between devices, lim…

Cited by 0SourcecodeScholar
2025

ComposableNav: Instruction-Following Navigation in Dynamic Environments via Composable Diffusion

CoRL 2025poster

This paper considers the problem of enabling robots to navigate dynamic environments while following instructions. The challenge lies in the combinatorial nature of instruction specifications: each instruction can include multiple specifications, and the number of possible specification combination…

Cited by 0SourceScholar
2025

Crafting Customisable Characters with LLMs: A Persona-Driven Role-Playing Agent Framework

EMNLP 2025

Large Language Models (LLMs) demonstrate remarkable ability to comprehend instructions and generate human-like text, enabling sophisticated agent simulation beyond basic behavior replication. However, the potential for creating freely customisable characters remains underexplored. We introduce the C

2025

DFMU: Distribution-based Framework for Modeling Aleatoric Uncertainty in Multimodal Sentiment Analysis

IJCAI 2025

In Multimodal Sentiment Analysis (MSA), data noise arising from various sources can lead to uncertainty in Aleatoric Uncertainty (AU), significantly impacting model performance. Current efforts to address AU have insufficiently explored its sources. They primarily focus on modeling noise rather than

Cited by 0SourcePDFScholar
2025

DICE: Staleness-Centric Optimizations for Parallel Diffusion MoE Inference

ICCV 2025poster

Mixture-of-Experts-based (MoE-based) diffusion models demonstrate remarkable scalability in high-fidelity image generation, yet their reliance on expert parallelism introduces critical communication bottlenecks. State-of-the-art methods alleviate such overhead in parallel diffusion inference through…

2025

Deep Reinforcement Learning for Robotics: A Survey of Real-World Successes

AAAI 2025technical

Reinforcement learning (RL), particularly its combination with deep neural networks referred to as deep RL (DRL), has shown tremendous promise across a wide range of applications, suggesting its potential for enabling the development of sophisticated robotic behaviors. Robotics problems, however, po…

Cited by 48SourcePDFScholar
2025

EVOS: Efficient Implicit Neural Training via EVOlutionary Selector

CVPR 2025poster

We propose EVOlutionary Selector (EVOS), an efficient training paradigm for accelerating Implicit Neural Representation (INR). Unlike conventional INR training that feeds all samples through the neural network in each iteration, our approach restricts training to strategically selected points, reduc…

2025

Emphasising Structured Information: Integrating Abstract Meaning Representation into LLMs for Enhanced Open-Domain Dialogue Evaluation

EMNLP 2025

Automatic open-domain dialogue evaluation has attracted increasing attention, yet remains challenging due to the complexity of assessing response appropriateness. Traditional evaluation metrics, typically trained with true positive and randomly selected negative responses, tend to assign higher scor

2025

JAQ: Joint Efficient Architecture Design and Low-Bit Quantization with Hardware-Software Co-Exploration

AAAI 2025technical

The co-design of neural network architectures, quantization precisions, and hardware accelerators offers a promising approach to achieving an optimal balance between performance and efficiency, particularly for model deployment on resource-constrained edge devices. In this work, we propose the JAQ F…

Cited by 0SourcePDFScholar
2025

KCS: Diversify Multi-hop Question Generation with Knowledge Composition Sampling

EMNLP 2025

Multi-hop question answering faces substantial challenges due to data sparsity, which increases the likelihood of language models learning spurious patterns. To address this issue, prior research has focused on diversifying question generation through content planning and varied expression. However,

2025

Language Constrained Multimodal Hyper Adapter For Many-to-Many Multimodal Summarization

ACL 2025long

Multimodal summarization (MS) combines text and visuals to generate summaries. Recently, many-to-many multimodal summarization (M3S) garnered interest as it enables a unified model for multilingual and cross-lingual MS. Existing methods have made progress by facilitating the transfer of common multi…

2025

MEReQ: Max-Ent Residual-Q Inverse RL for Sample-Efficient Alignment from Intervention

CoRL 2025poster

Aligning robot behavior with human preferences is crucial for deploying embodied AI agents in human-centered environments. A promising solution is interactive imitation learning from human intervention, where a human expert observes the policy's execution and provides interventions as feedback. Howe…

Cited by 0SourceScholar
2025

Q-DiT: Accurate Post-Training Quantization for Diffusion Transformers

CVPR 2025poster

Recent advancements in diffusion models, particularly the architectural transformation from UNet-based models to Diffusion Transformers (DiTs), significantly improve the quality and scalability of image and video generation. However, despite their impressive capabilities, the substantial computation…

2025

RLKGF: Reinforcement Learning from Knowledge Graph Feedback Without Human Annotations

ACL 2025finding

Reinforcement Learning from Human Feedback (RLHF) has been shown to effectively align large language models (LLMs) with human knowledge. However, the lack of human preference labels remains a significant bottleneck when applying RLHF to a downstream domain. Humans in RLHF play a critical role in inj…

2025

Residual-MPPI: Online Policy Customization for Continuous Control

ICLR 2025poster

Policies developed through Reinforcement Learning (RL) and Imitation Learning (IL) have shown great potential in continuous control tasks, but real-world applications often require adapting trained policies to unforeseen requirements. While fine-tuning can address such needs, it typically requires a…

Cited by 2SourcePDFScholar
2025

SocialNav-SUB: Benchmarking VLMs for Scene Understanding in Social Robot Navigation

CoRL 2025poster

Robot navigation in dynamic, human-centered environments requires socially-compliant decisions grounded in robust scene understanding, including spatiotemporal awareness and the ability to interpret human intentions. Recent Vision-Language Models (VLMs) show exhibit promising capabilities such as ob…

Cited by 0SourceScholar
2025

SpecEM: Training-Free LLM Ensembling via Iterative Drafting, Verification, and Online Feedback

NeurIPS 2025poster

Ensembles of generative large language models (LLMs) are a promising way to compensate for individual model limitations, integrating the strengths of different LLMs. Existing LLM ensemble methods, however, face limitations such as first-token delay and challenges in long-range semantic collaboration…

Cited by 0SourceScholar
2025

UniSTD: Towards Unified Spatio-Temporal Learning across Diverse Disciplines

CVPR 2025poster

Traditional spatiotemporal models generally rely on task-specific architectures, which limit their generalizability and scalability across diverse tasks due to domain-specific design requirements. In this paper, we introduce UniSTD, a unified Transformer-based framework for spatiotemporal modeling,…

2025

WOMD-Reasoning: A Large-Scale Dataset for Interaction Reasoning in Driving

ICML 2025poster

Language models uncover unprecedented abilities in analyzing driving scenarios, owing to their limitless knowledge accumulated from text-based pre-training. Naturally, they should particularly excel in analyzing rule-based interactions, such as those triggered by traffic laws, which are well documen…

2024

BeTAIL: Behavior Transformer Adversarial Imitation Learning From Human Racing Gameplay

RA-L 2024

Autonomous racing poses a significant challenge for control, requiring planning minimum-time trajectories under uncertain dynamics and controlling vehicles at their handling limits. Current methods requiring hand-designed physical models or reward functions specific to each car or track. In contrast

Cited by 6SourceScholar
2024

Effective Distillation of Table-based Reasoning Ability from LLMs

COLING 2024main

Large Language Models (LLMs) have demonstrated remarkable performance across a wide range of natural language processing tasks. However, their enormous parameter size and extremely high requirements for compute power pose challenges for their practical deployment. Recent research has revealed that s…

2024

Guided Online Distillation: Promoting Safe Reinforcement Learning by Offline Demonstration

ICRA 2024poster

Safe Reinforcement Learning (RL) aims to find a policy that achieves high rewards while satisfying cost constraints. When learning from scratch, safe RL agents tend to be overly conservative, which impedes exploration and restrains the overall performance. In many realistic tasks, e.g. autonomous dr…

Cited by 10SourceScholar
2024

Learning Online Belief Prediction for Efficient POMDP Planning in Autonomous Driving

RA-L 2024

Effective decision-making in autonomous driving relies on accurate inference of other traffic agents' future behaviors. To achieve this, we propose an online belief-update-based behavior prediction model and an efficient planner for Partially Observable Markov Decision Processes (POMDPs). We develop

Cited by 18SourceScholar
2024

MesonGS: Post-training Compression of 3D Gaussians via Efficient Attribute Transformation

ECCV 2024poster

"3D Gaussian Splatting demonstrates excellent quality and speed in novel view synthesis. Nevertheless, the huge file size of the 3D Gaussians presents challenges for transmission and storage. Current works design compact models to replace the substantial volume and attributes of 3D Gaussians, along…

Cited by 12SourcePDFScholar
2024

Optimizing Diffusion Models for Joint Trajectory Prediction and Controllable Generation

ECCV 2024poster

"Diffusion models are promising for joint trajectory prediction and controllable generation in autonomous driving, but they face challenges of inefficient inference steps and high computational demands. To tackle these challenges, we introduce Optimal Gaussian Diffusion (OGD) and Estimated Clean Man…

2024

Pre-training on Synthetic Driving Data for Trajectory Prediction

IROS 2024poster

Accumulating substantial volumes of real-world driving data proves pivotal in the realm of trajectory forecasting for autonomous driving. Given the heavy reliance of current trajectory forecasting models on data-driven methodologies, we aim to tackle the challenge of learning general trajectory fore…

Cited by 13SourcecodeScholar
2024

Retraining-Free Model Quantization via One-Shot Weight-Coupling Learning

CVPR 2024poster

Quantization is of significance for compressing the over-parameterized deep neural models and deploying them on resource-limited devices. Fixed-precision quantization suffers from performance drop due to the limited numerical representation ability. Conversely mixed-precision quantization (MPQ) is a…

2024

SLIDE: A Framework Integrating Small and Large Language Models for Open-Domain Dialogues Evaluation

ACL 2024findings

The long-standing one-to-many problem of gold standard responses in open-domain dialogue systems presents challenges for automatic evaluation metrics. Though prior works have demonstrated some success by applying powerful Large Language Models (LLMs), existing approaches still struggle with the one-…

2024

Skill-Critic: Refining Learned Skills for Hierarchical Reinforcement Learning

RA-L 2024

Hierarchical reinforcement learning (RL) can accelerate long-horizon decision-making by temporally abstracting a policy into multiple levels. Promising results in sparse reward environments have been seen with <italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999

Cited by 12SourceScholar
2024

URG: A Unified Ranking and Generation Method for Ensembling Language Models

ACL 2024findings

Prior research endeavors of the ensemble Large Language Models (LLMs) achieved great success by employing an individual language model (LM) rank before the text generation. However, the use of an individual LM ranker faces two primary challenges: (1) The time-intensive nature of the ranking process,…

2023

Editing Driver Character: Socially-Controllable Behavior Generation for Interactive Traffic Simulation

RA-L 2023

Traffic simulation plays a crucial role in evaluating and improving autonomous driving planning systems. After being deployed on public roads, autonomous vehicles need to interact with human road participants with different <italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://w

Cited by 19SourceScholar
2023

ElasticViT: Conflict-aware Supernet Training for Deploying Fast Vision Transformer on Diverse Mobile Devices

ICCV 2023poster

Neural Architecture Search (NAS) has shown promising performance in the automatic design of vision transformers (ViT) exceeding 1G FLOPs. However, designing lightweight and low-latency ViT models for diverse mobile devices remains a big challenge. In this work, we propose ElasticViT, a two-stage NAS…

Cited by 25PDFcodeScholar
2023

Enhancing Biomedical Lay Summarisation with External Knowledge Graphs

EMNLP 2023long main

Previous approaches for automatic lay summarisation are exclusively reliant on the source article that, given it is written for a technical audience (e.g., researchers), is unlikely to explicitly define all technical concepts or state all of the background information that is relevant for a lay audi…

Cited by 0SourcecodeScholar
2023

Enhancing Dialogue Generation via Dynamic Graph Knowledge Aggregation

ACL 2023long

Incorporating external graph knowledge into neural chatbot models has been proven effective for enhancing dialogue generation. However, in conventional graph neural networks (GNNs), message passing on a graph is independent from text, resulting in the graph representation hidden space differing from…

2023

Improving Biomedical Abstractive Summarisation with Knowledge Aggregation from Citation Papers

EMNLP 2023long main

Abstracts derived from biomedical literature possess distinct domain-specific characteristics, including specialised writing styles and biomedical terminologies, which necessitate a deep understanding of the related literature. As a result, existing language models struggle to generate technical sum…

Cited by 0SourcecodeScholar
2023

Residual Q-Learning: Offline and Online Policy Customization without Value

NeurIPS 2023poster

Imitation Learning (IL) is a widely used framework for learning imitative behavior from demonstrations. It is especially appealing for solving complex real-world tasks where handcrafting reward function is difficult, or when the goal is to mimic human expert behavior. However, the learned imitative…

Cited by 6SourcePDFScholar
2022

Domain Knowledge Driven Pseudo Labels for Interpretable Goal-Conditioned Interactive Trajectory Prediction

IROS 2022poster

Motion forecasting in highly interactive scenarios is a challenging problem in autonomous driving. In such scenarios, we need to accurately predict the joint behavior of interacting agents to ensure the safe and efficient navigation of autonomous vehicles. Recently, goal-conditioned methods have gai…

Cited by 18SourceScholar
2022

EtriCA: Event-Triggered Context-Aware Story Generation Augmented by Cross Attention

EMNLP 2022finding

One of the key challenges of automatic story generation is how to generate a long narrative that can maintain fluency, relevance, and coherence. Despite recent progress, current story generation systems still face the challenge of how to effectively capture contextual and event features, which has a…

2022

Hierarchical Planning Through Goal-Conditioned Offline Reinforcement Learning

RA-L 2022

Offline Reinforcement learning (RL) has shown potent in many safe-critical tasks in robotics where exploration is risky and expensive. However, it still struggles to acquire skills in temporally extended tasks. In this paper, we study the problem of offline RL for temporally extended tasks. We propo

Cited by 37SourceScholar
2022

Interventional Behavior Prediction: Avoiding Overly Confident Anticipation in Interactive Prediction

IROS 2022poster

Conditional behavior prediction (CBP) builds up the foundation for a coherent interactive prediction and plan-ning framework that can enable more efficient and less conser-vative maneuvers in interactive scenarios. In CBP task, we train a prediction model approximating the posterior distribution of…

Cited by 16SourceScholar
2022

Mixed-Precision Neural Network Quantization via Learned Layer-Wise Importance

ECCV 2022poster

"The exponentially large discrete search space in mixed-precision quantization (MPQ) makes it hard to determine the optimal bit-width for each layer. Previous works usually resort to iterative search methods on the training set, which consume hundreds or even thousands of GPU-hours. In this study, w…

2022

PreTraM: Self-Supervised Pre-training via Connecting Trajectory and Map

ECCV 2022poster

"Deep learning has recently achieved significant progress in trajectory forecasting. However, the scarcity of trajectory data inhibits the data-hungry deep-learning models from learning good representations. While pre-training methods for representation learning exist in computer vision and natural…

2022

Social-aware Sparse Attention Network for Session-based Social Recommendation

EMNLP 2022finding

Session-based Social Recommendation (SSR) aims to use users’ social networks and historical sessions to provide more personalized recommendations for the current session.Unfortunately, existing SSR methods have two limitations.First, they do not screen users’ useless social relationships and noisy i…

2021

Dealing with the Unknown: Pessimistic Offline Reinforcement Learning

CoRL 2021poster

Reinforcement Learning (RL) has been shown effective in domains where the agent can learn policies by actively interacting with its operating environment. However, if we change the RL scheme to offline setting where the agent can only update its policy via static datasets, one of the major issues in…

Cited by 29SourceScholar
2021

Exploring Social Posterior Collapse in Variational Autoencoder for Interaction Modeling

NeurIPS 2021poster

Multi-agent behavior modeling and trajectory forecasting are crucial for the safe navigation of autonomous agents in interactive scenarios. Variational Autoencoder (VAE) has been widely applied in multi-agent interaction modeling to generate diverse behavior and learn a low-dimensional representatio…

Cited by 24SourcePDFScholar
2020

High-quality Single-model Deep Video Compression with Frame-Conv3D and Multi-frame Differential Modulation

ECCV 2020poster

Deep learning (DL) methods have revolutionized the paradigm of computer vision tasks and DL-based video compression is becoming a hot topic. This paper proposes a deep video compression method to simultaneously encode multiple frames with Frame-Conv3D and differential modulation. We first adopt Fram…

Cited by 15SourcePDFScholar
2019

Adaptive Probabilistic Vehicle Trajectory Prediction Through Physically Feasible Bayesian Recurrent Neural Network

ICRA 2019poster

Probabilistic vehicle trajectory prediction is essential for robust safety of autonomous driving. Current methods for long-term trajectory prediction cannot guarantee the physical feasibility of predicted distribution. Moreover, their models cannot adapt to the driving policy of the predicted target…

Cited by 24SourceScholar