activity
20202026
most citedPartial FC: Training 10 Million Identities on a Single Machine

32 citations · 77 across the 28 of their papers we have counts for

collaborators

32 papers

cs.CV2026

HaPRL: Human-Anchored Process Reinforcement Learning for Visual Search Agent

Zhangquan Chen, Yaoxin Niu, Xiang An +5

Multi-turn visual search agents answer questions about high-resolution images by iteratively deciding where to look. Reinforcement learning for these agents rewards only the final…

cs.CV2026

EviViT: Evidence-Adaptive Vision Transformers for Fine-Grained Perception

Yaoxin Niu, Zhangquan Chen, Yang Zhang +5

Fine-grained visual perception enables vision-language models to distinguish subtle attributes and ground their answers in visual evidence. In high-resolution scenes, processing th…

cs.CV2026

Spatial-OPSD: Self-Improving Spatial Reasoning via Label-Free Self-Distillation

Zhenyu Liu, Zhangquan Chen, Keyi Chen +4

Vision-language models (VLMs) increasingly operate in embodied and spatially grounded settings, where accurate understanding of depth, viewpoint, and three-dimensional relations is…

cs.CV2026

StreamOPD: A Post-Training Recipe with Spatio-Temporal Cue Gating for Streaming Video Understanding

Keming Wu, Baoyi Wang, Kaichen Zhang +7

Streaming video understanding demands direct responses from the causally observed prefix of an unfolding video. Existing systems add inference-time memory, retrieval, and compressi…

cs.CV2026

Mage-VL: An Efficient Codec-Native Streaming Multimodal Foundation Model

Senqiao Yang, Kaichen Zhang, Zhaoyang Jia +20

Standard vision-language models (VLMs) suffer from Moravec's paradox: they excel at complex offline visual reasoning but struggle with simple streaming perception tasks and process…

cs.CV2026

LLaVA-OneVision-2: Towards Next-Generation Perceptual Intelligence

Xiang An, Yin Xie, Feilong Tang +27

We introduce LLaVA-OneVision-2 (LLaVA-OV-2), the most capable vision-language model in the LLaVA-OneVision series to date, achieving superior performance across a broad range of mu…

cs.CV2026

4DThinker: Thinking with 4D Imagery for Dynamic Spatial Understanding

Zhangquan Chen, Manyuan Zhang, Xinlei Yu +9

Dynamic spatial reasoning from monocular video is essential for bridging visual intelligence and the physical world, yet remains challenging for vision-language models (VLMs). Prio…

cs.CV2026

OneVision-Encoder: Codec-Aligned Sparsity as a Foundational Principle for Multimodal Intelligence

Feilong Tang, Xiang An, Yunyao Yan +16

Hypothesis. Artificial general intelligence is, at its core, a compression problem. Effective compression demands resonance: deep learning scales best when its architecture aligns…

cs.CV2026

DanQing: An Up-to-Date Large-Scale Chinese Vision-Language Pre-training Dataset

Hengyu Shen, Tiancheng Gu, Bin Qin +10

Vision-Language Pre-training (VLP) models have achieved remarkable success by leveraging large-scale image-text pairs. While English-centric models like CLIP and SigLIP benefit fro…

cs.CV2025

ProCLIP: Progressive Vision-Language Alignment via LLM-based Embedder

Xiaoxing Hu, Kaicheng Yang, Ziyang Gong +6

The original CLIP text encoder is limited by a maximum input length of 77 tokens, which hampers its ability to effectively process long texts and perform fine-grained semantic unde…

cs.CV2025

UniME-V2: MLLM-as-a-Judge for Universal Multimodal Embedding Learning

Tiancheng Gu, Kaicheng Yang, Kaichen Zhang +6

Universal multimodal embedding models are foundational to various tasks. Existing approaches typically employ in-batch negative mining by measuring the similarity of query-candidat…

cs.CV2025

Gradient-Attention Guided Dual-Masking Synergetic Framework for Robust Text-based Person Retrieval

Tianlu Zheng, Yifan Zhang, Xiang An +3

Although Contrastive Language-Image Pre-training (CLIP) exhibits strong performance across diverse vision tasks, its application to person representation learning faces two critica…

cs.CV2025★ 4 cited

LLaVA-OneVision-1.5: Fully Open Framework for Democratized Multimodal Training

Xiang An, Yin Xie, Kaicheng Yang +20

We present LLaVA-OneVision-1.5, a novel family of Large Multimodal Models (LMMs) that achieve state-of-the-art performance with significantly reduced computational and financial co…

cs.CV2025

PaCo-FR: Patch-Pixel Aligned End-to-End Codebook Learning for Facial Representation Pre-training

Yin Xie, Zhichao Chen, Zeyu Xiao +7

Facial representation pre-training is crucial for tasks like facial recognition, expression analysis, and virtual reality. However, existing methods face three key challenges: (1)…

cs.CV2025

StreamAgent: Towards Anticipatory Agents for Streaming Video Understanding

Haolin Yang, Feilong Tang, Lingxiao Zhao +10

Real-time streaming video understanding in domains such as autonomous driving and intelligent surveillance poses challenges beyond conventional offline video processing, requiring…

cs.CV2025

Region-based Cluster Discrimination for Visual Representation Learning

Yin Xie, Kaicheng Yang, Xiang An +9

Learning visual representations is foundational for a broad spectrum of downstream tasks. Although recent vision-language contrastive models, such as CLIP and SigLIP, have achieved…

cs.CV2025

ForCenNet: Foreground-Centric Network for Document Image Rectification

Peng Cai, Qiang Li, Kaicheng Yang +6

Document image rectification aims to eliminate geometric deformation in photographed documents to facilitate text recognition. However, existing methods often neglect the significa…

cs.CV2025

RealSyn: An Effective and Scalable Multimodal Interleaved Document Transformation Paradigm

Tiancheng Gu, Kaicheng Yang, Chaoyi Zhang +6

After pre-training on extensive image-text pairs, Contrastive Language-Image Pre-training (CLIP) demonstrates promising performance on a wide variety of benchmarks. However, a subs…

cs.CV2024★ 1 cited

ORID: Organ-Regional Information Driven Framework for Radiology Report Generation

Tiancheng Gu, Kaicheng Yang, Xiang An +3

The objective of Radiology Report Generation (RRG) is to automatically generate coherent textual analyses of diseases based on radiological images, thereby alleviating the workload…

cs.CV2024

ViCToR: Improving Visual Comprehension via Token Reconstruction for Pretraining LMMs

Yin Xie, Kaicheng Yang, Peirou Liang +7

Large Multimodal Models (LMMs) often face a modality representation gap during pretraining: while language embeddings remain stable, visual representations are highly sensitive to…

cs.CV2024

VAR-CLIP: Text-to-Image Generator with Visual Auto-Regressive Modeling

Qian Zhang, Xiangzi Dai, Ninghua Yang +3

VAR is a new generation paradigm that employs 'next-scale prediction' as opposed to 'next-token prediction'. This innovative transformation enables auto-regressive (AR) transformer…

cs.CV2024

CLIP-CID: Efficient CLIP Distillation via Cluster-Instance Discrimination

Kaicheng Yang, Tiancheng Gu, Xiang An +5

Contrastive Language-Image Pre-training (CLIP) has achieved excellent performance over a wide range of tasks. However, the effectiveness of CLIP heavily relies on a substantial cor…

cs.CV2024★ 5 cited

Multi-label Cluster Discrimination for Visual Representation Learning

Xiang An, Kaicheng Yang, Xiangzi Dai +2

Contrastive Language Image Pre-training (CLIP) has recently demonstrated success across various tasks due to superior feature representation empowered by image-text contrastive lea…

cs.CV2024

High-Fidelity Facial Albedo Estimation via Texture Quantization

Zimin Ran, Xingyu Ren, Xiang An +6

Recent 3D face reconstruction methods have made significant progress in shape estimation, but high-fidelity facial albedo reconstruction remains challenging. Existing methods depen…