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Related papers: Graph Correspondence Transfer for Person Re-identi…

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The ability to estimate the 3D human shape and pose from images can be useful in many contexts. Recent approaches have explored using graph convolutional networks and achieved promising results. The fact that the 3D shape is represented by…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Xin Yu , Jeroen van Baar , Siheng Chen

This paper presents a self-supervised method for learning reliable visual correspondence from unlabeled videos. We formulate the correspondence as finding paths in a joint space-time graph, where nodes are grid patches sampled from frames,…

Computer Vision and Pattern Recognition · Computer Science 2021-09-29 Zixu Zhao , Yueming Jin , Pheng-Ann Heng

Graph Convolutional Networks (GCNs) have recently attracted vast interest and achieved state-of-the-art performance on graphs, but its success could typically hinge on careful training with amounts of expensive and time-consuming labeled…

Machine Learning · Computer Science 2022-01-28 Hongrui Liu , Binbin Hu , Xiao Wang , Chuan Shi , Zhiqiang Zhang , Jun Zhou

In this paper, we address the problem of person re-identification problem, i.e., retrieving instances from gallery which are generated by the same person as the given probe image. This is very challenging because the person's appearance…

Computer Vision and Pattern Recognition · Computer Science 2015-06-24 Jiuqing Wan , Menglin Xing

In this paper, we propose a novel distance-based camera network topology inference method for efficient person re-identification. To this end, we first calibrate each camera and estimate relative scales between cameras. Using the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Yeong-Jun Cho , Kuk-Jin Yoon

Transformers are more and more popular in computer vision, which treat an image as a sequence of patches and learn robust global features from the sequence. However, pure transformers are not entirely suitable for vehicle re-identification…

Computer Vision and Pattern Recognition · Computer Science 2023-01-12 Fei Shen , Yi Xie , Jianqing Zhu , Xiaobin Zhu , Huanqiang Zeng

Conventional image retrieval techniques for Structure-from-Motion (SfM) suffer from the limit of effectively recognizing repetitive patterns and cannot guarantee to create just enough match pairs with high precision and high recall. In this…

Computer Vision and Pattern Recognition · Computer Science 2020-09-18 Shen Yan , Yang Pen , Shiming Lai , Yu Liu , Maojun Zhang

Existing person re-identification (re-ID) research mainly focuses on pedestrian identity matching across cameras in adjacent areas. However, in reality, it is inevitable to face the problem of pedestrian identity matching across…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Huafeng Li , Yanmei Mao , Yafei Zhang , Guanqiu Qi , Zhengtao Yu

Combining dual-energy computed tomography (DECT) with positron emission tomography (PET) offers many potential clinical applications but typically requires expensive hardware upgrades or increases radiation doses on PET/CT scanners due to…

Medical Physics · Physics 2024-06-21 Siqi Li , Yansong Zhu , Benjamin A. Spencer , Guobao Wang

Occluded person re-identification is one of the challenging areas of computer vision, which faces problems such as inefficient feature representation and low recognition accuracy. Convolutional neural network pays more attention to the…

Computer Vision and Pattern Recognition · Computer Science 2022-01-05 Yunbin Zhao , Songhao Zhu , Dongsheng Wang , Zhiwei Liang

Reconstructing physically plausible 3D human-scene interactions (HSI) from a single image currently presents a trade-off: optimization based methods offer accurate contact but are slow (~20s), while feed-forward approaches are fast yet lack…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Pradyumna YM , Yuxuan Xue , Yue Chen , Nikita Kister , István Sárándi , Gerard Pons-Moll

Person re-identification (re-ID) is a task of matching pedestrians under disjoint camera views. To recognise paired snapshots, it has to cope with large cross-view variations caused by the camera view shift. Supervised deep neural networks…

Computer Vision and Pattern Recognition · Computer Science 2019-07-24 Lin Wu , Richang Hong , Yang Wang , Meng Wang

Recovering the spatial layout of the cameras and the geometry of the scene from extreme-view images is a longstanding challenge in computer vision. Prevailing 3D reconstruction algorithms often adopt the image matching paradigm and presume…

Computer Vision and Pattern Recognition · Computer Science 2022-06-17 Wei-Chiu Ma , Anqi Joyce Yang , Shenlong Wang , Raquel Urtasun , Antonio Torralba

Cloth-changing person re-identification (re-ID) is a new rising research topic that aims at retrieving pedestrians whose clothes are changed. This task is quite challenging and has not been fully studied to date. Current works mainly focus…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Xiujun Shu , Ge Li , Xiao Wang , Weijian Ruan , Qi Tian

Motivated by various data science applications including de-anonymizing user identities in social networks, we consider the graph alignment problem, where the goal is to identify the vertex/user correspondence between two correlated graphs.…

Information Theory · Computer Science 2024-03-13 Ning Zhang , Ziao Wang , Weina Wang , Lele Wang

Video-based person re-identification (Re-ID) aims to automatically retrieve video sequences of the same person under non-overlapping cameras. To achieve this goal, it is the key to fully utilize abundant spatial and temporal cues in videos.…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Xuehu Liu , Pingping Zhang , Chenyang Yu , Huchuan Lu , Xiaoyun Yang

We propose a novel zero-shot approach to computing correspondences between 3D shapes. Existing approaches mainly focus on isometric and near-isometric shape pairs (e.g., human vs. human), but less attention has been given to strongly…

Computer Vision and Pattern Recognition · Computer Science 2023-09-28 Ahmed Abdelreheem , Abdelrahman Eldesokey , Maks Ovsjanikov , Peter Wonka

3D pose transfer is one of the most challenging 3D generation tasks. It aims to transfer the pose of a source mesh to a target mesh and keep the identity (e.g., body shape) of the target mesh. Some previous works require key point…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Chaoyue Song , Jiacheng Wei , Ruibo Li , Fayao Liu , Guosheng Lin

Occluded person re-identification (ReID) aims to match occluded person images to holistic ones across dis-joint cameras. In this paper, we propose a novel framework by learning high-order relation and topology information for discriminative…

Computer Vision and Pattern Recognition · Computer Science 2020-04-03 Guan'an Wang , Shuo Yang , Huanyu Liu , Zhicheng Wang , Yang Yang , Shuliang Wang , Gang Yu , Erjin Zhou , Jian Sun

Recent advances in face super-resolution research have utilized the Transformer architecture. This method processes the input image into a series of small patches. However, because of the strong correlation between different facial…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Chao Yang , Yong Fan , Cheng Lu , Minghao Yuan , Zhijing Yang