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Human activity understanding with 3D/depth sensors has received increasing attention in multimedia processing and interactions. This work targets on developing a novel deep model for automatic activity recognition from RGB-D videos. We…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Keze Wang , Xiaolong Wang , Liang Lin , Meng Wang , Wangmeng Zuo

Recent methods for video action recognition have reached outstanding performances on existing benchmarks. However, they tend to leverage context such as scenes or objects instead of focusing on understanding the human action itself. For…

Computer Vision and Pattern Recognition · Computer Science 2021-02-03 Philippe Weinzaepfel , Grégory Rogez

Group activity recognition is the task of understanding the activity conducted by a group of people as a whole in a multi-person video. Existing models for this task are often impractical in that they demand ground-truth bounding box labels…

Computer Vision and Pattern Recognition · Computer Science 2022-04-06 Dongkeun Kim , Jinsung Lee , Minsu Cho , Suha Kwak

Human Pose Estimation is a crucial module in human-machine interaction applications and, especially since the rise in deep learning technology, robust methods are available to consumers using RGB cameras and commercial GPUs. On the other…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 Gaurvi Goyal , Pham Cong Thuong , Arren Glover , Masayoshi Mizuno , Chiara Bartolozzi

This paper presents a new method to describe spatio-temporal relations between objects and hands, to recognize both interactions and activities within video demonstrations of manual tasks. The approach exploits Scene Graphs to extract key…

Computer Vision and Pattern Recognition · Computer Science 2023-07-10 Elena Merlo , Marta Lagomarsino , Edoardo Lamon , Arash Ajoudani

In this paper, we propose Two-Stream AMTnet, which leverages recent advances in video-based action representation[1] and incremental action tube generation[2]. Majority of the present action detectors follow a frame-based representation, a…

Computer Vision and Pattern Recognition · Computer Science 2020-04-06 Suman Saha , Gurkirt Singh , Fabio Cuzzolin

Human motion modelling is a classical problem at the intersection of graphics and computer vision, with applications spanning human-computer interaction, motion synthesis, and motion prediction for virtual and augmented reality. Following…

Computer Vision and Pattern Recognition · Computer Science 2017-05-09 Julieta Martinez , Michael J. Black , Javier Romero

Most of the existing works on human activity analysis focus on recognition or early recognition of the activity labels from complete or partial observations. Similarly, almost all of the existing video captioning approaches focus on the…

Computer Vision and Pattern Recognition · Computer Science 2021-05-28 Tahmida Mahmud , Mohammad Billah , Mahmudul Hasan , Amit K. Roy-Chowdhury

Edge computing allows more computing tasks to take place on the decentralized nodes at the edge of networks. Today many delay sensitive, mission-critical applications can leverage these edge devices to reduce the time delay or even to…

Computer Vision and Pattern Recognition · Computer Science 2018-05-02 Seyed Yahya Nikouei , Yu Chen , Sejun Song , Ronghua Xu , Baek-Young Choi , Timothy R. Faughnan

This paper presents a lightweight three-dimensional convolutional neural network (3DCNN) for human activity recognition (HAR) using event-based vision data. Privacy preservation is a key challenge in human monitoring systems, as…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Mehdi Sefidgar Dilmaghani , Francis Fowley , Peter Corcoran

A classical approach to abnormal activity detection is to learn a representation for normal activities from the training data and then use this learned representation to detect abnormal activities while testing. Typically, the methods based…

Computer Vision and Pattern Recognition · Computer Science 2019-08-14 Royston Rodrigues , Neha Bhargava , Rajbabu Velmurugan , Subhasis Chaudhuri

Synthesizing realistic videos of humans using neural networks has been a popular alternative to the conventional graphics-based rendering pipeline due to its high efficiency. Existing works typically formulate this as an image-to-image…

In recent years, motion capture technology using computers has developed rapidly. Because of its high efficiency and excellent performance, it replaces many traditional methods and is being widely used in many fields. Our project is about…

Computer Vision and Pattern Recognition · Computer Science 2021-12-23 Yanquan Chen , Fei Yang , Tianyu Lang , Guanfang Dong , Anup Basu

Multi-Person Tracking (MPT) is often addressed within the detection-to-association paradigm. In such approaches, human detections are first extracted in every frame and person trajectories are then recovered by a procedure of data…

Computer Vision and Pattern Recognition · Computer Science 2019-05-30 Hefeng Wu , Yafei Hu , Keze Wang , Hanhui Li , Lin Nie , Hui Cheng

Human activity recognition using deep learning techniques has become increasing popular because of its high effectivity with recognizing complex tasks, as well as being relatively low in costs compared to more traditional machine learning…

Computer Vision and Pattern Recognition · Computer Science 2022-04-29 Wei Zhong Tee , Rushit Dave , Naeem Seliya , Mounika Vanamala

A recent endeavor in one class of video anomaly detection is to leverage diffusion models and posit the task as a generation problem, where the diffusion model is trained to recover normal patterns exclusively, thus reporting abnormal…

Computer Vision and Pattern Recognition · Computer Science 2024-12-13 Hang Zhou , Jiale Cai , Yuteng Ye , Yonghui Feng , Chenxing Gao , Junqing Yu , Zikai Song , Wei Yang

With the recent substantial growth of media such as YouTube, a considerable number of instructional videos covering a wide variety of tasks are available online. Therefore, online instructional videos have become a rich resource for humans…

Computer Vision and Pattern Recognition · Computer Science 2017-06-01 Seong Tae Kim , Yong Man Ro

This paper proposes a DNN-based system that detects multiple people from a single depth image. Our neural network processes a depth image and outputs a likelihood map in image coordinates, where each detection corresponds to a…

Computer Vision and Pattern Recognition · Computer Science 2020-07-15 David Fuentes-Jimenez , Cristina Losada-Gutierrez , David Casillas-Perez , Javier Macias-Guarasa , Roberto Martin-Lopez , Daniel Pizarro , Carlos A. Luna

Falling of elderly people who are staying alone at home leads to health risks. If they are not attended immediately even it may lead to fatal danger to their life. In this paper a novel computer vision-based system for smart monitoring of…

Computer Vision and Pattern Recognition · Computer Science 2020-09-08 L. Aneesh Euprazia , K. K. Thyagharajan

Interactive autonomous applications require robustness of the perception engine to artifacts in unconstrained videos. In this paper, we examine the effect of camera motion on the task of action detection. We develop a novel ranking method…

Computer Vision and Pattern Recognition · Computer Science 2022-05-03 Burhan A. Mudassar , Sho Ko , Maojingjing Li , Priyabrata Saha , Saibal Mukhopadhyay