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Related papers: Cascade Transformers for End-to-End Person Search

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Unsupervised person search aims to localize a particular target person from a gallery set of scene images without annotations, which is extremely challenging due to the unexpected variations of the unlabeled domains. However, most existing…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Tianxiang Cui , Huibing Wang , Jinjia Peng , Ruoxi Deng , Xianping Fu , Yang Wang

Detecting occluded objects still remains a challenge for state-of-the-art object detectors. The objective of this work is to improve the detection for such objects, and thereby improve the overall performance of a modern object detector. To…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Guanqi Zhan , Weidi Xie , Andrew Zisserman

End-to-end approaches for sequence tasks are becoming increasingly popular. Yet for complex sequence tasks, like speech translation, systems that cascade several models trained on sub-tasks have shown to be superior, suggesting that the…

Computation and Language · Computer Science 2021-05-04 Siddharth Dalmia , Brian Yan , Vikas Raunak , Florian Metze , Shinji Watanabe

"Looking for things" is a mundane but critical task we repeatedly carry on in our daily life. We introduce a method to develop a human character capable of searching for a randomly located target object in a detailed 3D scene using its…

Robotics · Computer Science 2021-09-16 Maks Sorokin , Wenhao Yu , Sehoon Ha , C. Karen Liu

Systems for knowledge-intensive tasks such as open-domain question answering (QA) usually consist of two stages: efficient retrieval of relevant documents from a large corpus and detailed reading of the selected documents to generate…

Computation and Language · Computer Science 2022-12-06 Zhengbao Jiang , Luyu Gao , Jun Araki , Haibo Ding , Zhiruo Wang , Jamie Callan , Graham Neubig

The 2D image-based virtual try-on has aroused increased interest from the multimedia and computer vision fields due to its enormous commercial value. Nevertheless, most existing image-based virtual try-on approaches directly combine the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Bin Ren , Hao Tang , Fanyang Meng , Runwei Ding , Philip H. S. Torr , Nicu Sebe

Large pose variations remain to be a challenge that confronts real-word face detection. We propose a new cascaded Convolutional Neural Network, dubbed the name Supervised Transformer Network, to address this challenge. The first stage is a…

Computer Vision and Pattern Recognition · Computer Science 2016-07-20 Dong Chen , Gang Hua , Fang Wen , Jian Sun

Camouflaged Object Detection (COD) demands models to expeditiously and accurately distinguish objects which conceal themselves seamlessly in the environment. Owing to the subtle differences and ambiguous boundaries, COD is not only a…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Huafeng Chen , Dian Shao , Guangqian Guo , Shan Gao

Despite recent attempts for solving the person re-identification problem, it remains a challenging task since a person's appearance can vary significantly when large variations in view angle, human pose, and illumination are involved. In…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 Alireza Rahimpour , Liu Liu , Ali Taalimi , Yang Song , Hairong Qi

Place recognition is an important component for autonomous vehicles to achieve loop closing or global localization. In this paper, we tackle the problem of place recognition based on sequential 3D LiDAR scans obtained by an onboard LiDAR…

Computer Vision and Pattern Recognition · Computer Science 2022-09-19 Junyi Ma , Xieyuanli Chen , Jingyi Xu , Guangming Xiong

Single-view 3D shape retrieval is a challenging task that is increasingly important with the growth of available 3D data. Prior work that has studied this task has not focused on evaluating how realistic occlusions impact performance, and…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Qirui Wu , Daniel Ritchie , Manolis Savva , Angel X. Chang

Camouflaged objects are typically assimilated into their backgrounds and exhibit fuzzy boundaries. The complex environmental conditions and the high intrinsic similarity between camouflaged targets and their surroundings pose significant…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Tianyou Chen , Jin Xiao , Xiaoguang Hu , Guofeng Zhang , Shaojie Wang

In real-world applications of image recognition tasks, such as human pose estimation, cameras often capture objects, like human bodies, at low resolutions. This scenario poses a challenge in extracting and leveraging multi-scale features,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Xiangyong Lu , Masanori Suganuma , Takayuki Okatani

Video-based 3D human pose and shape estimations are evaluated by intra-frame accuracy and inter-frame smoothness. Although these two metrics are responsible for different ranges of temporal consistency, existing state-of-the-art methods…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Xiaolong Shen , Zongxin Yang , Xiaohan Wang , Jianxin Ma , Chang Zhou , Yi Yang

Person re-identification (re-ID) under various occlusions has been a long-standing challenge as person images with different types of occlusions often suffer from misalignment in image matching and ranking. Most existing methods tackle this…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Mengxi Jia , Xinhua Cheng , Shijian Lu , Jian Zhang

Person detection in overhead fisheye images is challenging due to person rotation and small persons. Prior work has mainly addressed person rotation, leaving the small-person problem underexplored. We remap fisheye images to equirectangular…

Computer Vision and Pattern Recognition · Computer Science 2026-01-28 Nobuhiko Wakai , Satoshi Sato , Yasunori Ishii , Takayoshi Yamashita

Multi-person 3D mesh recovery from videos is a critical first step towards automatic perception of group behavior in virtual reality, physical therapy and beyond. However, existing approaches rely on multi-stage paradigms, where the person…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Haoyuan Li , Haoye Dong , Hanchao Jia , Dong Huang , Michael C. Kampffmeyer , Liang Lin , Xiaodan Liang

Person re-identification (ReID) is a challenging task due to arbitrary human pose variations, background clutters, etc. It has been studied extensively in recent years, but the multifarious local and global features are still not fully…

Computer Vision and Pattern Recognition · Computer Science 2018-10-16 Fan Yang , Ke Yan , Shijian Lu , Huizhu Jia , Xiaodong Xie , Wen Gao

Transformers exhibit great advantages in handling computer vision tasks. They model image classification tasks by utilizing a multi-head attention mechanism to process a series of patches consisting of split images. However, for complex…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Haichao Zhang , Kuangrong Hao , Witold Pedrycz , Lei Gao , Xuesong Tang , Bing Wei

Existing methods of multi-person video 3D human Pose and Shape Estimation (PSE) typically adopt a two-stage strategy, which first detects human instances in each frame and then performs single-person PSE with temporal model. However, the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Zhongwei Qiu , Yang Qiansheng , Jian Wang , Haocheng Feng , Junyu Han , Errui Ding , Chang Xu , Dongmei Fu , Jingdong Wang