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Video anomaly detection (VAD) aims to automatically identify events that deviate from normal patterns in untrimmed surveillance videos. Existing methods universally depend on large-scale annotations or task-specific training procedures,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Chao Huang , Penfei Wei , Wei Wang , Jie Wen , Zhihua Wang , Li Shen , Wenqi Ren , Xiaochun Cao

Optimizing vision models purely for classification accuracy can impose an alignment tax, degrading human-like scanpaths and limiting interpretability. We introduce EVA, a neuroscience-inspired hard-attention mechanistic testbed that makes…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Pengcheng Pan , Yonekura Shogo , Kuniyoshi Yasuo

Automated surface segmentation is important and challenging in many medical image analysis applications. Recent deep learning based methods have been developed for various object segmentation tasks. Most of them are a classification based…

Image and Video Processing · Electrical Eng. & Systems 2020-07-03 Leixin Zhou , Xiaodong Wu

Geometric scattering has recently gained recognition in graph representation learning, and recent work has shown that integrating scattering features in graph convolution networks (GCNs) can alleviate the typical oversmoothing of features…

Machine Learning · Computer Science 2022-01-20 Yimeng Min , Frederik Wenkel , Guy Wolf

Convolutional blocks have played a crucial role in advancing medical image segmentation by excelling in dense prediction tasks. However, their inability to effectively capture long-range dependencies has limited their performance.…

Image and Video Processing · Electrical Eng. & Systems 2026-03-17 Siddhartha Mallick , Aayushman Ghosh , Jayanta Paul , Jaya Sil

Segmentation of 3D medical images is a critical task for accurate diagnosis and treatment planning. Convolutional neural networks (CNNs) have dominated the field, achieving significant success in 3D medical image segmentation. However, CNNs…

Image and Video Processing · Electrical Eng. & Systems 2025-02-11 Canxuan Gang

Multi-scale architecture, including hierarchical vision transformer, has been commonly applied to high-resolution semantic segmentation to deal with computational complexity with minimum performance loss. In this paper, we propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Jiwon Yoo , Jangwon Lee , Gyeonghwan Kim

Point clouds have been widely adopted in 3D semantic scene understanding. However, point clouds for typical tasks such as 3D shape segmentation or indoor scenario parsing are much denser than outdoor LiDAR sweeps for the application of…

Computer Vision and Pattern Recognition · Computer Science 2020-04-08 Yang Zheng , Izzat H. Izzat , Sanling Song

The virtual element method (VEM) is a stabilized Galerkin method that is robust and accurate on general polygonal meshes. This feature makes it an appealing candidate for simulations involving meshes with embedded interfaces and evolving…

Numerical Analysis · Mathematics 2025-10-03 Ramsharan Rangarajan , N. Sukumar

Deep convolutional networks have become the mainstream in computer vision applications. Although CNNs have been successful in many computer vision tasks, it is not free from drawbacks. The performance of CNN is dramatically degraded by…

Computer Vision and Pattern Recognition · Computer Science 2021-07-23 Takashi Shibata , Masayuki Tanaka , Masatoshi Okutomi

Birds' Eye View (BEV) semantic segmentation is an indispensable perception task in end-to-end autonomous driving systems. Unsupervised and semi-supervised learning for BEV tasks, as pivotal for real-world applications, underperform due to…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Siyu Li , Fei Teng , Yihong Cao , Kailun Yang , Zhiyong Li , Yaonan Wang

Selective segmentation involves incorporating user input to partition an image into foreground and background, by discriminating between objects of a similar type. Typically, such methods involve introducing additional constraints to…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Michael Roberts , Jack Spencer

Video segmentation aims at partitioning video sequences into meaningful segments based on objects or regions of interest within frames. Current video segmentation models are often derived from image segmentation techniques, which struggle…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Chen Liang , Qiang Guo , Xiaochao Qu , Luoqi Liu , Ting Liu

BEV-based 3D perception has emerged as a focal point of research in end-to-end autonomous driving. However, existing BEV approaches encounter significant challenges due to the large feature space, complicating efficient modeling and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Feng Li , Zhaoyue Wang , Enyuan Zhang , Mohammad Masum Billah , Yunduan Cui , Kun Xu

In this paper, we present a novel neural network using multi scale feature fusion at various scales for accurate and efficient semantic image segmentation. We used ResNet based feature extractor, dilated convolutional layers in downsampling…

Computer Vision and Pattern Recognition · Computer Science 2020-10-02 Abhinav Sagar , RajKumar Soundrapandiyan

Recently, there has been a panoptic segmentation task combining semantic and instance segmentation, in which the goal is to classify each pixel with the corresponding instance ID. In this work, we propose a solution to tackle the panoptic…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Shuo-En Chang , Yi-Cheng Yang , En-Ting Lin , Pei-Yung Hsiao , Li-Chen Fu

This paper aims at achieving fine-grained building attribute segmentation in a cross-view scenario, i.e., using satellite and street-view image pairs. The main challenge lies in overcoming the significant perspective differences between…

Computer Vision and Pattern Recognition · Computer Science 2024-04-04 Junyan Ye , Qiyan Luo , Jinhua Yu , Huaping Zhong , Zhimeng Zheng , Conghui He , Weijia Li

Image retrieval-based cross-view geo-localization (IRCVGL) aims to match images captured from significantly different viewpoints, such as satellite and street-level images. Existing methods predominantly rely on learning robust global…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Xianwei Cao , Dou Quan , Shuang Wang , Ning Huyan , Wei Wang , Yunan Li , Licheng Jiao

Pixel-level Video Understanding requires effectively integrating three-dimensional data in both spatial and temporal dimensions to learn accurate and stable semantic information from continuous frames. However, existing advanced models on…

Computer Vision and Pattern Recognition · Computer Science 2024-06-10 Chen Liang , Qiang Guo , Chongkai Yu , Chengjing Wu , Ting Liu , Luoqi Liu

Recent advances in high-definition (HD) map construction from surround-view images have highlighted their cost-effectiveness in deployment. However, prevailing techniques often fall short in accurately extracting and utilizing road…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Wenzhao Qiu , Shanmin Pang , Hao zhang , Jianwu Fang , Jianru Xue