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Related papers: STA: Spatial-Temporal Attention for Large-Scale Vi…

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In this paper, we present a spatio-temporal tendency reasoning (STR) network for recovering human body pose and shape from videos. Previous approaches have focused on how to extend 3D human datasets and temporal-based learning to promote…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Boyang Zhang , SuPing Wu , Hu Cao , Kehua Ma , Pan Li , Lei Lin

We present an online approach to efficiently and simultaneously detect and track the 2D pose of multiple people in a video sequence. We build upon Part Affinity Field (PAF) representation designed for static images, and propose an…

Computer Vision and Pattern Recognition · Computer Science 2019-06-14 Yaadhav Raaj , Haroon Idrees , Gines Hidalgo , Yaser Sheikh

Unsupervised Video Object Segmentation (VOS) aims at identifying the contours of primary foreground objects in videos without any prior knowledge. However, previous methods do not fully use spatial-temporal context and fail to tackle this…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Ping Li , Yu Zhang , Li Yuan , Huaxin Xiao , Binbin Lin , Xianghua Xu

Spatio-temporal action detection is an important and challenging problem in video understanding. However, the application of the existing large-scale spatio-temporal action datasets in specific fields is limited, and there is currently no…

Computer Vision and Pattern Recognition · Computer Science 2022-04-27 Fan Yang

In this paper, we first tackle the problem of pedestrian attribute recognition by video-based approach. The challenge mainly lies in spatial and temporal modeling and how to integrating them for effective and dynamic pedestrian…

Computer Vision and Pattern Recognition · Computer Science 2019-10-29 Zhiyuan Chen , Annan Li , Yunhong Wang

Human pose estimation in low-resolution videos presents a fundamental challenge in computer vision. Conventional methods either assume high-quality inputs or employ computationally expensive cascaded processing, which limits their…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Yucheng Jin , Jinyan Chen , Ziyue He , Baojun Han , Furan An

In this paper, we propose an attention pyramid method for person re-identification. Unlike conventional attention-based methods which only learn a global attention map, our attention pyramid exploits the attention regions in a multi-scale…

Computer Vision and Pattern Recognition · Computer Science 2021-09-22 Guangyi Chen , Tianpei Gu , Jiwen Lu , Jin-An Bao , Jie Zhou

Triggered by the success of transformers in various visual tasks, the spatial self-attention mechanism has recently attracted more and more attention in the computer vision community. However, we empirically found that a typical vision…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Jiayin Sun , Hong Wang , Qiulei Dong

We address the problem of person re-identification from commodity depth sensors. One challenge for depth-based recognition is data scarcity. Our first contribution addresses this problem by introducing split-rate RGB-to-Depth transfer,…

Computer Vision and Pattern Recognition · Computer Science 2018-12-31 Nikolaos Karianakis , Zicheng Liu , Yinpeng Chen , Stefano Soatto

Video-based person re-identification (Re-ID) is an important computer vision task. The batch-hard triplet loss frequently used in video-based person Re-ID suffers from the Distance Variance among Different Positives (DVDP) problem. In this…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Zhiyuan Chen , Annan Li , Shilu Jiang , Yunhong Wang

Video-based person re-identification aims to match pedestrians from video sequences across non-overlapping camera views. The key factor for video person re-identification is to effectively exploit both spatial and temporal clues from video…

Computer Vision and Pattern Recognition · Computer Science 2021-04-19 Jiawei Liu , Zheng-Jun Zha , Wei Wu , Kecheng Zheng , Qibin Sun

Video-based visible-infrared person re-identification (VVI-ReID) is challenging due to significant modality feature discrepancies. Spatial-temporal information in videos is crucial, but the accuracy of spatial-temporal information is often…

Computer Vision and Pattern Recognition · Computer Science 2024-12-12 Wenjia Jiang , Xiaoke Zhu , Jiakang Gao , Di Liao

Transformers have become the primary backbone of the computer vision community due to their impressive performance. However, the unfriendly computation cost impedes their potential in the video recognition domain. To optimize the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Shuangrui Ding , Peisen Zhao , Xiaopeng Zhang , Rui Qian , Hongkai Xiong , Qi Tian

Accurately detecting student behavior from classroom videos is beneficial for analyzing their classroom status and improving teaching efficiency. However, low accuracy in student classroom behavior detection is a prevalent issue. To address…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Fan Yang

Recently, the Transformer module has been transplanted from natural language processing to computer vision. This paper applies the Transformer to video-based person re-identification, where the key issue is to extract the discriminative…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Tianyu Zhang , Longhui Wei , Lingxi Xie , Zijie Zhuang , Yongfei Zhang , Bo Li , Qi Tian

Human pose estimation in videos remains a challenge, largely due to the reliance on extensive manual annotation of large datasets, which is expensive and labor-intensive. Furthermore, existing approaches often struggle to capture long-range…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Yingying Jiao , Zhigang Wang , Sifan Wu , Shaojing Fan , Zhenguang Liu , Zhuoyue Xu , Zheqi Wu

Remote sensing images often suffer from substantial data loss due to factors such as thick cloud cover and sensor limitations. Existing methods for imputing missing values in remote sensing images fail to fully exploit spatiotemporal…

Computer Vision and Pattern Recognition · Computer Science 2025-06-05 Zaiyan Zhang , Jining Yan , Yuanqi Liang , Jiaxin Feng , Haixu He , Li Cao

The ability to identify the same person from multiple camera views without the explicit use of facial recognition is receiving commercial and academic interest. The current status-quo solutions are based on attention neural models. In this…

Computer Vision and Pattern Recognition · Computer Science 2019-12-18 Priyank Pathak , Amir Erfan Eshratifar , Michael Gormish

Recently, the research interest of person re-identification (ReID) has gradually turned to video-based methods, which acquire a person representation by aggregating frame features of an entire video. However, existing video-based ReID…

Computer Vision and Pattern Recognition · Computer Science 2020-09-14 Xinyang Jiang , Yifei Gong , Xiaowei Guo , Qize Yang , Feiyue Huang , Weishi Zheng , Feng Zheng , Xing Sun

The next location recommendation is at the core of various location-based applications. Current state-of-the-art models have attempted to solve spatial sparsity with hierarchical gridding and model temporal relation with explicit time…

Information Retrieval · Computer Science 2021-02-09 Yingtao Luo , Qiang Liu , Zhaocheng Liu