← Search

Youjia Zhang

12 accepted papers

2026

LATO: 3D Mesh Flow Matching with Structured TOpology Preserving LAtents

ICML 2026poster

In this paper, we introduce LATO, a novel topology-preserving latent representation that enables scalable, flow matching-based synthesis of explicit 3D meshes. LATO represents a mesh as a Vertex Displacement Field (VDF) anchored on surface, incorporating a sparse voxel Variational Autoencoder (VAE) …

Cited by 0SourceScholar
2026

PRISM: Synergizing Vision Foundation Models via Self-organized Expert Specialization

ICML 2026poster

Unifying the complementary strengths of diverse Vision Foundation Models (VFMs) into a single efficient model is highly desirable but challenged by the negative transfer inherent in monolithic distillation. To address these feature conflicts, we introduce \textbf{PRISM}, a novel dual-stream Mixture-…

Cited by 0SourceScholar
2026

ZOO-Prune: Training-Free Token Pruning via Zeroth-Order Gradient Estimation in Vision-Language Models

CVPR 2026

Large Vision-Language Models (VLMs) enable strong multimodal reasoning but incur heavy inference costs from redundant visual tokens. Token pruning alleviates this issue, yet existing approaches face limitations. Attention-based methods rely on raw attention scores, which are often unstable across la

Cited by 0SourcecodeScholar
2025

Backpropagation-Free Test-Time Adaptation via Probabilistic Gaussian Alignment

NeurIPS 2025poster

Test-time adaptation (TTA) enhances the zero-shot robustness under distribution shifts by leveraging unlabeled test data during inference. Despite notable advances, several challenges still limit its broader applicability. First, most methods rely on backpropagation or iterative optimization, which…

Cited by 0SourceScholar
2025

Optimized View and Geometry Distillation from Multi-view Diffuser

IJCAI 2025

Generating multi-view images from a single input view using image-conditioned diffusion models is a recent advancement and has shown considerable potential. However, issues such as the lack of consistency in synthesized views and over-smoothing in extracted geometry persist. Previous methods integra

2025

Question-Aware Gaussian Experts for Audio-Visual Question Answering

CVPR 2025highlight

Audio-Visual Question Answering (AVQA) requires not only question-based multimodal reasoning but also precise temporal grounding to capture subtle dynamics for accurate prediction. However, existing methods mainly use question information implicitly, limiting focus on question-specific details. Furt…

2025

Ref-GS: Directional Factorization for 2D Gaussian Splatting

CVPR 2025poster

In this paper, we introduce Ref-GS, a novel approach for directional light factorization in 2D Gaussian splatting, which enables photorealistic view-dependent appearance rendering and precise geometry recovery. Ref-GS builds upon the deferred rendering of Gaussian splatting and applies directional e…

2024

AMD: Anatomical Motion Diffusion with Interpretable Motion Decomposition and Fusion

AAAI 2024technical

Generating realistic human motion sequences from text descriptions is a challenging task that requires capturing the rich expressiveness of both natural language and human motion. Recent advances in diffusion models have enabled significant progress in human motion synthesis. However, existing metho…

Cited by 3SourcePDFScholar
2024

Dynamic Feature Pruning and Consolidation for Occluded Person Re-identification

AAAI 2024technical

Occluded person re-identification (ReID) is a challenging problem due to contamination from occluders. Existing approaches address the issue with prior knowledge cues, such as human body key points and semantic segmentations, which easily fail in the presence of heavy occlusion and other humans as o…

2024

Progressive Text-to-Image Diffusion with Soft Latent Direction

AAAI 2024technical

In spite of the rapidly evolving landscape of text-to-image generation, the synthesis and manipulation of multiple entities while adhering to specific relational constraints pose enduring challenges. This paper introduces an innovative progressive synthesis and editing operation that systematically…

2023

NeMF: Inverse Volume Rendering with Neural Microflake Field

ICCV 2023poster

Recovering the physical attributes of an object's appearance from its images captured under an unknown illumination is challenging yet essential for photo-realistic rendering.Recent approaches adopt the emerging implicit scene representations and have shown impressive results.However, they unanimous…

Cited by 26PDFcodeScholar