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Sports action classification representing complex body postures and player-object interactions is an emerging area in image-based sports analysis. Some works have contributed to automated sports action recognition using machine learning…

计算机视觉与模式识别 · 计算机科学 2025-07-16 Palash Ray , Mahuya Sasmal , Asish Bera

Visual sentiment analysis has received increasing attention in recent years. However, the dataset's quality is a concern because the sentiment labels are crowd-sourcing, subjective, and prone to mistakes, and poses a severe threat to the…

计算机视觉与模式识别 · 计算机科学 2022-01-28 Wei Zhu , Zihe Zheng , Haitian Zheng , Hanjia Lyu , Jiebo Luo

Deep neural networks (DNNs) have been widely applied in medical image classification and achieve remarkable classification performance. These achievements heavily depend on large-scale accurately annotated training data. However, label…

计算机视觉与模式识别 · 计算机科学 2023-06-19 Hongyang Jiang , Mengdi Gao , Yan Hu , Qiushi Ren , Zhaoheng Xie , Jiang Liu

Video anomaly detection aims to develop automated models capable of identifying abnormal events in surveillance videos. The benchmark setup for this task is extremely challenging due to: i) the limited size of the training sets, ii) weak…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Jash Dalvi , Ali Dabouei , Gunjan Dhanuka , Min Xu

Facial expression recognition has gained significance as a means of imparting social robots with the capacity to discern the emotional states of users. The use of social robotics includes a variety of settings, including homes, nursing…

计算机视觉与模式识别 · 计算机科学 2026-05-05 F. Xavier Gaya-Morey , Silvia Ramis , Jose M. Buades-Rubio , Cristina Manresa-Yee

Current models on Explainable Artificial Intelligence (XAI) have shown an evident and quantified lack of reliability for measuring feature-relevance when statistically entangled features are proposed for training deep classifiers. There has…

信号处理 · 电气工程与系统科学 2023-02-27 Juan Manuel Mayor-Torres , Sara Medina-DeVilliers , Tessa Clarkson , Matthew D. Lerner , Giuseppe Riccardi

We propose a novel method for temporally pooling frames in a video for the task of human action recognition. The method is motivated by the observation that there are only a small number of frames which, together, contain sufficient…

计算机视觉与模式识别 · 计算机科学 2017-06-27 Amlan Kar , Nishant Rai , Karan Sikka , Gaurav Sharma

Video Anomaly Detection (VAD) finds widespread applications in security surveillance, traffic monitoring, industrial monitoring, and healthcare. Despite extensive research efforts, there remains a lack of concise reviews that provide…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Liyun Zhu , Lei Wang , Arjun Raj , Tom Gedeon , Chen Chen

Deep learning models have shown promising results in recognizing depressive states using video-based facial expressions. While successful models typically leverage using 3D-CNNs or video distillation techniques, the different use of…

计算机视觉与模式识别 · 计算机科学 2022-12-14 Manuel Lage Cañellas , Constantino Álvarez Casado , Le Nguyen , Miguel Bordallo López

The early detection of developmental disorders is key to child outcome, allowing interventions to be initiated that promote development and improve prognosis. Research on autism spectrum disorder (ASD) suggests behavioral markers can be…

计算机视觉与模式识别 · 计算机科学 2012-11-09 Jordan Hashemi , Thiago Vallin Spina , Mariano Tepper , Amy Esler , Vassilios Morellas , Nikolaos Papanikolopoulos , Guillermo Sapiro

Autism spectrum disorder (ASD) is associated with behavioral and communication problems. Often, functional magnetic resonance imaging (fMRI) is used to detect and characterize brain changes related to the disorder. Recently, machine…

图像与视频处理 · 电气工程与系统科学 2020-04-22 Marcel Bengs , Nils Gessert , Alexander Schlaefer

Machine learning systems are being used to automate many types of laborious labeling tasks. Facial actioncoding is an example of such a labeling task that requires copious amounts of time and a beyond average level of human domain…

计算机视觉与模式识别 · 计算机科学 2019-11-15 Alberto Fung , Daniel McDuff

Given the similarity between facial expression categories, the presence of compound facial expressions, and the subjectivity of annotators, facial expression recognition (FER) datasets often suffer from ambiguity and noisy labels. Ambiguous…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Ziyang Zhang , Xiao Sun , Liuwei An , Meng Wang

Autism spectrum condition (ASC) or autism spectrum disorder (ASD) is primarily identified with the help of behavioral indications encompassing social, sensory and motor characteristics. Although categorized, recurring motor actions are…

机器学习 · 计算机科学 2019-08-22 Avishek Choudhury , . Christopher Greene

Children with severe disabilities and complex communication needs face limitations in the usage of access technology (AT) devices. Conventional ATs (e.g., mechanical switches) can be insufficient for nonverbal children and those with…

计算机视觉与模式识别 · 计算机科学 2020-09-30 Javad Rahimipour Anaraki , Silvia Orlandi , Tom Chau

In the dynamic and evolving field of computer vision, action recognition has become a key focus, especially with the advent of sophisticated methodologies like Convolutional Neural Networks (CNNs), Convolutional 3D, Transformer, and…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Qi Li , Tzu-Chen Chiu , Hsiang-Wei Huang , Min-Te Sun , Wei-Shinn Ku

In computer-aided diagnosis tools employed for skin cancer treatment and early diagnosis, skin lesion segmentation is important. However, achieving precise segmentation is challenging due to inherent variations in appearance, contrast,…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Asim Naveed , Syed S. Naqvi , Tariq M. Khan , Shahzaib Iqbal , M. Yaqoob Wani , Haroon Ahmed Khan

How do two individuals differ when performing the same action? In this work, we introduce Video Action Differencing (VidDiff), the novel task of identifying subtle differences between videos of the same action, which has many applications,…

计算机视觉与模式识别 · 计算机科学 2025-03-12 James Burgess , Xiaohan Wang , Yuhui Zhang , Anita Rau , Alejandro Lozano , Lisa Dunlap , Trevor Darrell , Serena Yeung-Levy

Advancements in deep neural networks have contributed to near perfect results for many computer vision problems such as object recognition, face recognition and pose estimation. However, human action recognition is still far from…

计算机视觉与模式识别 · 计算机科学 2021-10-11 Asanka G. Perera , Yee Wei Law , Titilayo T. Ogunwa , Javaan Chahl

When data is unlabelled and the target task is not known a priori, divergent search offers a strategy for learning a wide range of skills. Having such a repertoire allows a system to adapt to new, unforeseen tasks. Unlabelled image data is…

神经与进化计算 · 计算机科学 2020-04-20 Jeremy Tan , Bernhard Kainz