← Search

Weihua Chen

22 accepted papers

2026

Lumos-1: On Autoregressive Video Generation with Discrete Diffusion from a Unified Model Perspective

ICLR 2026poster

Autoregressive large language models (LLMs) have unified a vast range of language tasks, inspiring preliminary efforts in autoregressive (AR) video generation. Existing AR video generators either diverge from standard LLM architectures, depend on bulky external text encoders, or incur prohibitive la…

Cited by 0SourcecodeScholar
2026

LumosX: Relate Any Identities with Their Attributes for Personalized Video Generation

ICLR 2026poster

Recent advances in diffusion models have significantly improved text-to-video generation, enabling personalized content creation with fine-grained control over both foreground and background elements. However, precise face–attribute alignment across subjects remains challenging, as existing methods…

Cited by 0SourcecodeScholar
2026

RealisMotion: Decomposed Human Motion Control and Video Generation in the World Space

ICML 2026poster

Generating human videos with realistic and controllable motions is a challenging task. While existing methods can generate visually compelling videos, they lack separate control over four key video elements: foreground subject, background video, human trajectory, and action patterns. In this paper, …

Cited by 0SourceScholar
2025

CoT-lized Diffusion: Let's Reinforce T2I Generation Step-by-step

NeurIPS 2025poster

Current text-to-image (T2I) generation models struggle to align spatial composition with the input text, especially in complex scenes. Even layout-based approaches yield suboptimal spatial control, as their generation process is decoupled from layout planning, making it difficult to refine the layo…

Cited by 0SourceScholar
2025

Exploring More from Multiple Gait Modalities for Human Identification

AAAI 2025technical

The gait, as a kind of soft biometric characteristic, can reflect the distinct walking patterns of individuals at a distance, exhibiting a promising technique for unrestrained human identification. With largely excluding gait-unrelated cues hidden in RGB videos, the silhouette and skeleton, though v…

2025

FPSAttention: Training-Aware FP8 and Sparsity Co-Design for Fast Video Diffusion

NeurIPS 2025spotlight

Diffusion generative models have become the standard for producing high-quality, coherent video content, yet their slow inference speeds and high computational demands hinder practical deployment. Although both quantization and sparsity can independently accelerate inference while maintaining genera…

Cited by 0SourceScholar
2025

Layer-Animate for Transparent Video Generation

ICASSP 2025accepted

Transparent videos with alpha channels play a crucial role in film production, advertising, and augmented reality fields. However, there is currently no available method for producing transparent videos. Traditional methods are time-consuming and labor-intensive, and employing alternative approaches…

Cited by 0SourceScholar
2025

MovieDreamer: Hierarchical Generation for Coherent Long Visual Sequences

ICLR 2025poster

Recent advancements in video generation have primarily leveraged diffusion models for short-duration content. However, these approaches often fall short in modeling complex narratives and maintaining character consistency over extended periods, which is essential for long-form video production like…

Cited by 24SourcePDFScholar
2025

On Denoising Walking Videos for Gait Recognition

CVPR 2025poster

To capture individual gait patterns, excluding identity-irrelevant cues in walking videos, such as clothing texture and color, remains a persistent challenge for vision-based gait recognition. Traditional silhouette and pose-based methods, though theoretically effective at removing such distractions…

2025

RealisHuman: A Two-Stage Approach for Refining Malformed Human Parts in Generated Images

AAAI 2025technical

In recent years, diffusion models have revolutionized visual generation, outperforming traditional frameworks like Generative Adversarial Networks (GANs). However, generating images of humans with realistic semantic parts, such as hands and faces, remains a significant challenge due to their intric…

2025

RealisID: Scale-Robust and Fine-Controllable Identity Customization via Local and Global Complementation

AAAI 2025technical

Recently, the success of text-to-image synthesis has greatly advanced the development of identity customization techniques, whose main goal is to produce realistic identity-specific photographs based on text prompts and reference face images. However, it is difficult for existing identity customizat…

2025

UniLumos: Fast and Unified Image and Video Relighting with Physics-Plausible Feedback

NeurIPS 2025poster

Relighting is a crucial task with both practical demand and artistic value, and recent diffusion models have shown strong potential by enabling rich and controllable lighting effects. However, as they are typically optimized in semantic latent space, where proximity does not guarantee physical corre…

Cited by 0SourcecodeScholar
2025

Unleashing the Potential of Consistency Learning for Detecting and Grounding Multi-Modal Media Manipulation

CVPR 2025poster

To tackle the threat of fake news, the task of detecting and grounding multi-modal media manipulation (DGM4) has received increasing attention. However, most state-of-the-art methods fail to explore the fine-grained consistency within local content, usually resulting in an inadequate perception of d…

2024

SHMT: Self-supervised Hierarchical Makeup Transfer via Latent Diffusion Models

NeurIPS 2024poster

This paper studies the challenging task of makeup transfer, which aims to apply diverse makeup styles precisely and naturally to a given facial image. Due to the absence of paired data, current methods typically synthesize sub-optimal pseudo ground truths to guide the model training, resulting in l…

2024

Towards Effective Usage of Human-Centric Priors in Diffusion Models for Text-based Human Image Generation

CVPR 2024poster

Vanilla text-to-image diffusion models struggle with generating accurate human images commonly resulting in imperfect anatomies such as unnatural postures or disproportionate limbs. Existing methods address this issue mostly by fine-tuning the model with extra images or adding additional controls --…

Cited by 9SourcePDFScholar
2023

Beyond Appearance: A Semantic Controllable Self-Supervised Learning Framework for Human-Centric Visual Tasks

CVPR 2023poster

Human-centric visual tasks have attracted increasing research attention due to their widespread applications. In this paper, we aim to learn a general human representation from massive unlabeled human images which can benefit downstream human-centric tasks to the maximum extent. We call this method…

2022

Adaptive Matching Strategy for Multi-Target Multi-Camera Tracking

ICASSP 2022accepted

Multi-Target Multi-Camera Tracking has a wide range of applications and is the basis for many high-level inference and prediction tasks. How to make the system perform efficiently on a large number of cameras is a crucial research issue. Previous works have proposed many matching strategies to reduc…

Cited by 0SourceScholar
2022

CDTrans: Cross-domain Transformer for Unsupervised Domain Adaptation

ICLR 2022poster

Unsupervised domain adaptation (UDA) aims to transfer knowledge learned from a labeled source domain to a different unlabeled target domain. Most existing UDA methods focus on learning domain-invariant feature representation, either from the domain level or category level, using convolution neural n…

2022

Graph Convolution for Re-Ranking in Person Re-Identification

ICASSP 2022accepted

Nowadays, deep learning is widely applied to extract features for similarity computation in person re-identification (re-ID). However, the difference between the training data and testing data makes the performance of learned feature degraded during testing. Hence, re-ranking is proposed to mitigate…

Cited by 0SourceScholar
2022

Reliability-Aware Prediction via Uncertainty Learning for Person Image Retrieval

ECCV 2022poster

"Current person image retrieval methods have achieved great improvements in accuracy metrics. However, they rarely describe the reliability of the prediction. In this paper, we propose an Uncertainty-Aware Learning (UAL) method to remedy this issue. UAL aims at providing reliability-aware prediction…

2021

Towards Discriminative Representation Learning for Unsupervised Person Re-Identification

ICCV 2021poster

In this work, we address the problem of unsupervised domain adaptation for person re-ID where annotations are available for the source domain but not for target. Previous methods typically follow a two-stage optimization pipeline, where the network is first pre-trained on source and then fine-tuned…

Cited by 86PDFScholar
2017

Beyond Triplet Loss: A Deep Quadruplet Network for Person Re-Identification

CVPR 2017spotlight

Person re-identification (ReID) is an important task in wide area video surveillance which focuses on identifying people across different cameras. Recently, deep learning networks with a triplet loss become a common framework for person ReID. However, the triplet loss pays main attentions on obtaini…

Cited by 1545PDFScholar