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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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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.…

计算机视觉与模式识别 · 计算机科学 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…

机器人学 · 计算机科学 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…

机器人学 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

机器学习 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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,…

机器学习 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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,…

计算机视觉与模式识别 · 计算机科学 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.…

计算机视觉与模式识别 · 计算机科学 2021-11-03 Veeru Talreja , Nasser M. Nasrabadi , Matthew C. Valenti