papers

Publications (16)

cs.CV2024

CLIPSelf: Vision Transformer Distills Itself for Open-Vocabulary Dense Prediction

Size Wu, Wenwei Zhang, Lumin Xu +4

Open-vocabulary dense prediction tasks including object detection and image segmentation have been advanced by the success of Contrastive Language-Image Pre-training (CLIP). CLIP m…

cs.CV2025

KptLLM++: Towards Generic Keypoint Comprehension with Large Language Model

Jie Yang, Wang Zeng, Sheng Jin +5

The emergence of Multimodal Large Language Models (MLLMs) has revolutionized image understanding by bridging textual and visual modalities. However, these models often struggle wit…

cs.CV2020

Whole-Body Human Pose Estimation in the Wild

Sheng Jin, Lumin Xu, Jin Xu +5

This paper investigates the task of 2D human whole-body pose estimation, which aims to localize dense landmarks on the entire human body including face, hands, body, and feet. As e…

cs.CV2024

UniFS: Universal Few-shot Instance Perception with Point Representations

Sheng Jin, Ruijie Yao, Lumin Xu +4

Instance perception tasks (object detection, instance segmentation, pose estimation, counting) play a key role in industrial applications of visual models. As supervised learning m…

cs.CV2024

GKGNet: Group K-Nearest Neighbor based Graph Convolutional Network for Multi-Label Image Recognition

Ruijie Yao, Sheng Jin, Lumin Xu +5

Multi-Label Image Recognition (MLIR) is a challenging task that aims to predict multiple object labels in a single image while modeling the complex relationships between labels and…

cs.CV2023

CLIM: Contrastive Language-Image Mosaic for Region Representation

Size Wu, Wenwei Zhang, Lumin Xu +3

Detecting objects accurately from a large or open vocabulary necessitates the vision-language alignment on region representations. However, learning such a region-text alignment by…

cs.CV2021

ViPNAS: Efficient Video Pose Estimation via Neural Architecture Search

Lumin Xu, Yingda Guan, Sheng Jin +5

Human pose estimation has achieved significant progress in recent years. However, most of the recent methods focus on improving accuracy using complicated models and ignoring real-…

cs.CV2024

Ultra-High Resolution Segmentation via Boundary-Enhanced Patch-Merging Transformer

Haopeng Sun, Yingwei Zhang, Lumin Xu +2

Segmentation of ultra-high resolution (UHR) images is a critical task with numerous applications, yet it poses significant challenges due to high spatial resolution and rich fine d…

cs.CV2025

Autoregressive Video Autoencoder with Decoupled Temporal and Spatial Context

Cuifeng Shen, Lumin Xu, Xingguo Zhu +1

Video autoencoders compress videos into compact latent representations for efficient reconstruction, playing a vital role in enhancing the quality and efficiency of video generatio…

cs.CV2022

ZoomNAS: Searching for Whole-body Human Pose Estimation in the Wild

Lumin Xu, Sheng Jin, Wentao Liu +4

This paper investigates the task of 2D whole-body human pose estimation, which aims to localize dense landmarks on the entire human body including body, feet, face, and hands. We p…

cs.CV2025

F-LMM: Grounding Frozen Large Multimodal Models

Size Wu, Sheng Jin, Wenwei Zhang +4

Endowing Large Multimodal Models (LMMs) with visual grounding capability can significantly enhance AIs' understanding of the visual world and their interaction with humans. However…

cs.CV2024

Open-Vocabulary Animal Keypoint Detection with Semantic-feature Matching

Hao Zhang, Lumin Xu, Shenqi Lai +5

Current image-based keypoint detection methods for animal (including human) bodies and faces are generally divided into full-supervised and few-shot class-agnostic approaches. The…

cs.CV2025

Harmonizing Visual Representations for Unified Multimodal Understanding and Generation

Size Wu, Wenwei Zhang, Lumin Xu +6

Unifying visual understanding and generation within a single multimodal framework remains a significant challenge, as the two inherently heterogeneous tasks require representations…

cs.CV2024

TCFormer: Visual Recognition via Token Clustering Transformer

Wang Zeng, Sheng Jin, Lumin Xu +5

Transformers are widely used in computer vision areas and have achieved remarkable success. Most state-of-the-art approaches split images into regular grids and represent each grid…

cs.CV2024

KptLLM: Unveiling the Power of Large Language Model for Keypoint Comprehension

Jie Yang, Wang Zeng, Sheng Jin +4

Recent advancements in Multimodal Large Language Models (MLLMs) have greatly improved their abilities in image understanding. However, these models often struggle with grasping pix…

cs.CV2022

Pose for Everything: Towards Category-Agnostic Pose Estimation

Lumin Xu, Sheng Jin, Wang Zeng +5

Existing works on 2D pose estimation mainly focus on a certain category, e.g. human, animal, and vehicle. However, there are lots of application scenarios that require detecting th…