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Semantic image segmentation aims to obtain object labels with precise boundaries, which usually suffers from overfitting. Recently, various data augmentation strategies like regional dropout and mix strategies have been proposed to address…

Computer Vision and Pattern Recognition · Computer Science 2021-04-22 Jiawei Zhang , Yanchun Zhang , Xiaowei Xu

When a deep neural network is trained on data with only image-level labeling, the regions activated in each image tend to identify only a small region of the target object. We propose a method of using videos automatically harvested from…

Computer Vision and Pattern Recognition · Computer Science 2019-08-14 Jungbeom Lee , Eunji Kim , Sungmin Lee , Jangho Lee , Sungroh Yoon

Creating and labelling datasets of videos for use in training Human Activity Recognition models is an arduous task. In this paper, we approach this by using 3D rendering tools to generate a synthetic dataset of videos, and show that a…

Computer Vision and Pattern Recognition · Computer Science 2020-07-23 Ollie Matthews , Koki Ryu , Tarun Srivastava

Human action or activity recognition in videos is a fundamental task in computer vision with applications in surveillance and monitoring, self-driving cars, sports analytics, human-robot interaction and many more. Traditional supervised…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Sharana Dharshikgan Suresh Dass , Hrishav Bakul Barua , Ganesh Krishnasamy , Raveendran Paramesran , Raphael C. -W. Phan

Face analysis has been studied from different angles to infer emotion, poses, shapes, and landmarks. Traditionally RGB cameras are used, yet for fine-grained tasks standard sensors might not be up to the task due to their latency, making it…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Luca Cultrera , Federico Becattini , Lorenzo Berlincioni , Claudio Ferrari , Alberto Del Bimbo

Data augmentation is an effective and universal technique for improving generalization performance of deep neural networks. It could enrich diversity of training samples that is essential in medical image segmentation tasks because 1) the…

Image and Video Processing · Electrical Eng. & Systems 2020-12-29 Ju Xu , Mengzhang Li , Zhanxing Zhu

With the rapid development of deep learning algorithms, action recognition in video has achieved many important research results. One issue in action recognition, Zero-Shot Action Recognition (ZSAR), has recently attracted considerable…

Computer Vision and Pattern Recognition · Computer Science 2020-04-24 Dong Cao , Lisha Xu , HaiBo Chen

Recently, dataset condensation has made significant progress in the image domain. Unlike images, videos possess an additional temporal dimension, which harbors considerable redundant information, making condensation even more crucial.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Yang Chen , Sheng Guo , Bo Zheng , Limin Wang

Previous research has studied the task of segmenting cinematic videos into scenes and into narrative acts. However, these studies have overlooked the essential task of multimodal alignment and fusion for effectively and efficiently…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Najmeh Sadoughi , Xinyu Li , Avijit Vajpayee , David Fan , Bing Shuai , Hector Santos-Villalobos , Vimal Bhat , Rohith MV

In this paper, we address the challenging problem of spatial and temporal action detection in videos. We first develop an effective approach to localize frame-level action regions through integrating static and kinematic information by the…

Computer Vision and Pattern Recognition · Computer Science 2018-11-30 Yuancheng Ye , Xiaodong Yang , Yingli Tian

In the world of action recognition research, one primary focus has been on how to construct and train networks to model the spatial-temporal volume of an input video. These methods typically uniformly sample a segment of an input clip…

Computer Vision and Pattern Recognition · Computer Science 2020-12-16 Xinyu Li , Chunhui Liu , Bing Shuai , Yi Zhu , Hao Chen , Joseph Tighe

Existing deep learning methods for action recognition in videos require a large number of labeled videos for training, which is labor-intensive and time-consuming. For the same action, the knowledge learned from different media types, e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2020-02-19 Yang Liu , Zhaoyang Lu , Jing Li , Tao Yang , Chao Yao

Action anticipation, which aims to recognize the action with a partial observation, becomes increasingly popular due to a wide range of applications. In this paper, we investigate the problem of 3D action anticipation from streaming videos…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Hongsong Wang , Jiashi Feng

This paper proposes a simple yet effective method for human action recognition in video. The proposed method separately extracts local appearance and motion features using state-of-the-art three-dimensional convolutional neural networks…

Computer Vision and Pattern Recognition · Computer Science 2020-02-24 David Torpey , Turgay Celik

Human action recognition remains an important yet challenging task. This work proposes a novel action recognition system. It uses a novel Multiple View Region Adaptive Multi-resolution in time Depth Motion Map (MV-RAMDMM) formulation…

Computer Vision and Pattern Recognition · Computer Science 2019-04-15 Mahmoud Al-Faris , John P. Chiverton , Yanyan Yang , David L. Ndzi

The canonical approach to video action recognition dictates a neural model to do a classic and standard 1-of-N majority vote task. They are trained to predict a fixed set of predefined categories, limiting their transferable ability on new…

Computer Vision and Pattern Recognition · Computer Science 2021-09-20 Mengmeng Wang , Jiazheng Xing , Yong Liu

Semantic segmentation requires large amounts of pixel-wise annotations to learn accurate models. In this paper, we present a video prediction-based methodology to scale up training sets by synthesizing new training samples in order to…

Computer Vision and Pattern Recognition · Computer Science 2019-07-04 Yi Zhu , Karan Sapra , Fitsum A. Reda , Kevin J. Shih , Shawn Newsam , Andrew Tao , Bryan Catanzaro

Real-time understanding in video is crucial in various AI applications such as autonomous driving. This work presents a fast single-shot segmentation strategy for video scene understanding. The proposed net, called S3-Net, quickly locates…

Computer Vision and Pattern Recognition · Computer Science 2020-11-05 Yuan Cheng , Yuchao Yang , Hai-Bao Chen , Ngai Wong , Hao Yu

One of the growing trends in machine learning is the use of data generation techniques, since the performance of machine learning models is dependent on the quantity of the training dataset. However, in many real-world applications,…

Artificial Intelligence · Computer Science 2025-04-25 Yasaman Haghbin , Hadi Moradi , Reshad Hosseini

Analyzing human motion is a challenging task with a wide variety of applications in computer vision and in graphics. One such application, of particular importance in computer animation, is the retargeting of motion from one performer to…

Computer Vision and Pattern Recognition · Computer Science 2019-05-13 Kfir Aberman , Rundi Wu , Dani Lischinski , Baoquan Chen , Daniel Cohen-Or