English
Related papers

Related papers: AdaFPP: Adapt-Focused Bi-Propagating Prototype Lea…

200 papers

Part-level Action Parsing aims at part state parsing for boosting action recognition in videos. Despite of dramatic progresses in the area of video classification research, a severe problem faced by the community is that the detailed…

Computer Vision and Pattern Recognition · Computer Science 2021-11-08 Xuanhan Wang , Xiaojia Chen , Lianli Gao , Lechao Chen , Jingkuan Song

Pedestrian Attribute Recognition (PAR) is a challenging task in intelligent video surveillance. Two key challenges in PAR include complex alignment relations between images and attributes, and imbalanced data distribution. Existing…

Computer Vision and Pattern Recognition · Computer Science 2022-05-30 Zhong Ji , Zhenfei Hu , Yaodong Wang , Shengjia Li

Effective feature fusion of multispectral images plays a crucial role in multi-spectral object detection. Previous studies have demonstrated the effectiveness of feature fusion using convolutional neural networks, but these methods are…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Jifeng Shen , Yifei Chen , Yue Liu , Xin Zuo , Heng Fan , Wankou Yang

Recognizing soft-biometric pedestrian attributes is essential in video surveillance and fashion retrieval. Recent works show promising results on single datasets. Nevertheless, the generalization ability of these methods under different…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Andreas Specker , Mickael Cormier , Jürgen Beyerer

Reliable markerless motion tracking of people participating in a complex group activity from multiple moving cameras is challenging due to frequent occlusions, strong viewpoint and appearance variations, and asynchronous video streams. To…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Minh Vo , Ersin Yumer , Kalyan Sunkavalli , Sunil Hadap , Yaser Sheikh , Srinivasa Narasimhan

We propose an approach for forecasting video of complex human activity involving multiple people. Direct pixel-level prediction is too simple to handle the appearance variability in complex activities. Hence, we develop novel intermediate…

Computer Vision and Pattern Recognition · Computer Science 2017-12-07 Mengyao Zhai , Jiacheng Chen , Ruizhi Deng , Lei Chen , Ligeng Zhu , Greg Mori

Temporal action localization aims to predict the boundary and category of each action instance in untrimmed long videos. Most of previous methods based on anchors or proposals neglect the global-local context interaction in entire video…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Yizheng Ouyang , Tianjin Zhang , Weibo Gu , Hongfa Wang

Error detection in procedural activities is essential for consistent and correct outcomes in AR-assisted and robotic systems. Existing methods often focus on temporal ordering errors or rely on static prototypes to represent normal actions.…

Computer Vision and Pattern Recognition · Computer Science 2025-04-03 Wei-Jin Huang , Yuan-Ming Li , Zhi-Wei Xia , Yu-Ming Tang , Kun-Yu Lin , Jian-Fang Hu , Wei-Shi Zheng

Determining multi-robot motion policies for persistently monitoring a region with limited sensing, communication, and localization constraints in non-GPS environments is a challenging problem. To take the localization constraints into…

Robotics · Computer Science 2023-05-16 Manav Mishra , Prithvi Poddar , Rajat Agarwal , Jingxi Chen , Pratap Tokekar , P. B. Sujit

Diffusion policies have recently emerged as a powerful class of visuomotor controllers for robot manipulation, offering stable training and expressive multi-modal action modeling. However, existing approaches typically treat action…

Robotics · Computer Science 2025-10-01 Zezeng Li , Rui Yang , Ruochen Chen , ZhongXuan Luo , Liming Chen

With the advancement of deep neural networks and computer vision-based Human Activity Recognition, employment of Point-Cloud Data technologies (LiDAR, mmWave) has seen a lot interests due to its privacy preserving nature. Given the high…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Mohammad Arif Ul Alam , Md Mahmudur Rahman , Jared Q Widberg

Vision-based human activity recognition has emerged as one of the essential research areas in video analytics domain. Over the last decade, numerous advanced deep learning algorithms have been introduced to recognize complex human actions…

Computer Vision and Pattern Recognition · Computer Science 2022-08-11 Hayat Ullah , Arslan Munir

Sensor-based human activity recognition (HAR) requires to predict the action of a person based on sensor-generated time series data. HAR has attracted major interest in the past few years, thanks to the large number of applications enabled…

Machine Learning · Computer Science 2021-03-30 Davide Buffelli , Fabio Vandin

With the increased deployment of face recognition systems in our daily lives, face presentation attack detection (PAD) is attracting much attention and playing a key role in securing face recognition systems. Despite the great performance…

Computer Vision and Pattern Recognition · Computer Science 2021-11-03 Meiling Fang , Naser Damer , Florian Kirchbuchner , Arjan Kuijper

Person re-identification (person re-ID) is mostly viewed as an image retrieval problem. This task aims to search a query person in a large image pool. In practice, person re-ID usually adopts automatic detectors to obtain cropped pedestrian…

Computer Vision and Pattern Recognition · Computer Science 2019-06-24 Zhedong Zheng , Liang Zheng , Yi Yang

In wearable-based human activity recognition (HAR) research, one of the major challenges is the large intra-class variability problem. The collected activity signal is often, if not always, coupled with noises or bias caused by personal,…

Machine Learning · Computer Science 2022-02-16 Jie Su , Zhenyu Wen , Tao Lin , Yu Guan

Video periocular recognition is the task of recognizing an individual's identity based on the region around an individual's eyes. The periocular area is one of the most discriminative regions of the human face, making it suitable for…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Luiz G F Carreira , Breno A Mariano , Victor H C de Melo , David Menotti , William Robson Schwartz

Numerous methods for human activity recognition have been proposed in the past two decades. Many of these methods are based on sparse representation, which describes the whole video content by a set of local features. Trajectories, being…

Computer Vision and Pattern Recognition · Computer Science 2019-05-15 Pejman Habashi , Boubakeur Boufama , Imran Shafiq Ahmad

The automatic characterization of pedestrians in surveillance footage is a tough challenge, particularly when the data is extremely diverse with cluttered backgrounds, and subjects are captured from varying distances, under multiple poses,…

Computer Vision and Pattern Recognition · Computer Science 2020-04-03 Ehsan Yaghoubi , Diana Borza , João Neves , Aruna Kumar , Hugo Proença

In recent years, periocular recognition has been developed as a valuable biometric identification approach, especially in wild environments (for example, masked faces due to COVID-19 pandemic) where facial recognition may not be applicable.…

Computer Vision and Pattern Recognition · Computer Science 2021-11-03 Veeru Talreja , Nasser M. Nasrabadi , Matthew C. Valenti