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Deep learning-based video salient object detection has recently achieved great success with its performance significantly outperforming any other unsupervised methods. However, existing data-driven approaches heavily rely on a large…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Pengxiang Yan , Guanbin Li , Yuan Xie , Zhen Li , Chuan Wang , Tianshui Chen , Liang Lin

The ability to quickly annotate medical imaging data plays a critical role in training deep learning frameworks for segmentation. Doing so for image volumes or video sequences is even more pressing as annotating these is particularly…

Computer Vision and Pattern Recognition · Computer Science 2021-07-20 Laurent Lejeune , Raphael Sznitman

Recently, Weakly-supervised Temporal Action Localization (WTAL) has been densely studied but there is still a large gap between weakly-supervised models and fully-supervised models. It is practical and intuitive to annotate temporal…

Computer Vision and Pattern Recognition · Computer Science 2020-03-24 Xudong Lin , Zheng Shou , Shih-Fu Chang

Weakly-supervised action localization aims to recognize and localize action instancese in untrimmed videos with only video-level labels. Most existing models rely on multiple instance learning(MIL), where the predictions of unlabeled…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Guiqin Wang , Peng Zhao , Cong Zhao , Shusen Yang , Jie Cheng , Luziwei Leng , Jianxing Liao , Qinghai Guo

Surgical phase recognition is a fundamental task in computer-assisted surgery systems. Most existing works are under the supervision of expensive and time-consuming full annotations, which require the surgeons to repeat watching videos to…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Xinpeng Ding , Xinjian Yan , Zixun Wang , Wei Zhao , Jian Zhuang , Xiaowei Xu , Xiaomeng Li

Accurate tissue point tracking in endoscopic videos is critical for robotic-assisted surgical navigation and scene understanding, but remains challenging due to complex deformations, instrument occlusion, and the scarcity of dense…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Rulin Zhou , Wenlong He , An Wang , Qiqi Yao , Haijun Hu , Jiankun Wang , Xi Zhang an Hongliang Ren

Recent works demonstrated the usefulness of temporal coherence to regularize supervised training or to learn invariant features with deep architectures. In particular, enforcing smooth output changes while presenting temporally-closed…

Machine Learning · Computer Science 2016-01-05 Davide Maltoni , Vincenzo Lomonaco

Video object segmentation is a fundamental research problem in computer vision. Recent techniques have often applied attention mechanism to object representation learning from video sequences. However, due to temporal changes in the video…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Quang-Trung Truong , Duc Thanh Nguyen , Binh-Son Hua , Sai-Kit Yeung

Unsupervised video representation learning has made remarkable achievements in recent years. However, most existing methods are designed and optimized for video classification. These pre-trained models can be sub-optimal for temporal…

Computer Vision and Pattern Recognition · Computer Science 2022-03-28 Can Zhang , Tianyu Yang , Junwu Weng , Meng Cao , Jue Wang , Yuexian Zou

Self-supervised feature learning enables perception systems to benefit from the vast raw data recorded by vehicle fleets worldwide. While video-level self-supervised learning approaches have shown strong generalizability on classification…

Computer Vision and Pattern Recognition · Computer Science 2023-11-09 Christopher Lang , Alexander Braun , Lars Schillingmann , Karsten Haug , Abhinav Valada

The coexistence of multiple defect categories as well as the substantial class imbalance problem significantly impair the detection of sewer pipeline defects. To solve this problem, a multi-label pipe defect recognition method is proposed…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Xin Zuo , Yu Sheng , Jifeng Shen , Yongwei Shan

In this paper, we delve into two key techniques in Semi-Supervised Object Detection (SSOD), namely pseudo labeling and consistency training. We observe that these two techniques currently neglect some important properties of object…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Gang Li , Xiang Li , Yujie Wang , Yichao Wu , Ding Liang , Shanshan Zhang

In this paper, we explore a weakly supervised method for anomaly detection. Since annotating videos is time-consuming, we only look at weak video-level labels during training. This means that given a video, we know that it is either normal…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Urvi Gianchandani , Praveen Tirupattur , Mubarak Shah

This paper presents the novel idea of generating object proposals by leveraging temporal information for video object detection. The feature aggregation in modern region-based video object detectors heavily relies on learned proposals…

Computer Vision and Pattern Recognition · Computer Science 2022-10-10 Khurram Azeem Hashmi , Didier Stricker , Muhammamd Zeshan Afzal

The objective of this paper is self-supervised representation learning, with the goal of solving semi-supervised video object segmentation (a.k.a. dense tracking). We make the following contributions: (i) we propose to improve the existing…

Computer Vision and Pattern Recognition · Computer Science 2020-06-23 Fangrui Zhu , Li Zhang , Yanwei Fu , Guodong Guo , Weidi Xie

In this paper, we introduce a novel unsupervised network to denoise microscopy videos featured by image sequences captured by a fixed location microscopy camera. Specifically, we propose a DeepTemporal Interpolation method, leveraging a…

Image and Video Processing · Electrical Eng. & Systems 2024-04-19 Mary Aiyetigbo , Alexander Korte , Ethan Anderson , Reda Chalhoub , Peter Kalivas , Feng Luo , Nianyi Li

This study presents a quantitative framework for evaluating the spatial concordance between clinically defined seizure onset zones (SOZs) and statistically anomalous channels identified through time-frequency analysis of chirp events. The…

Machine Learning · Computer Science 2025-08-20 Nooshin Bahador , Milad Lankarany

Breast lesion detection in ultrasound video is critical for computer-aided diagnosis. However, detecting lesion in video is quite challenging due to the blurred lesion boundary, high similarity to soft tissue and lack of video annotations.…

Computer Vision and Pattern Recognition · Computer Science 2019-07-17 Sihong Chen , Weiping Yu , Kai Ma , Xinlong Sun , Xiaona Lin , Desheng Sun , Yefeng Zheng

Event-based eye tracking is a promising solution for efficient and low-power eye tracking in smart eyewear technologies. However, the novelty of event-based sensors has resulted in a limited number of available datasets, particularly those…

Computer Vision and Pattern Recognition · Computer Science 2025-02-06 Andrea Simpsi , Andrea Aspesi , Simone Mentasti , Luca Merigo , Tommaso Ongarello , Matteo Matteucci

Surgical scenes convey crucial information about the quality of surgery. Pixel-wise localization of tools and anatomical structures is the first task towards deeper surgical analysis for microscopic or endoscopic surgical views. This is…

Computer Vision and Pattern Recognition · Computer Science 2024-09-13 Çağhan Köksal , Ghazal Ghazaei , Nassir Navab