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Surgical workflow recognition has numerous potential medical applications, such as the automatic indexing of surgical video databases and the optimization of real-time operating room scheduling, among others. As a result, phase recognition…

计算机视觉与模式识别 · 计算机科学 2016-05-24 Andru P. Twinanda , Sherif Shehata , Didier Mutter , Jacques Marescaux , Michel de Mathelin , Nicolas Padoy

By converting low-frame-rate, low-resolution videos into high-frame-rate, high-resolution ones, space-time video super-resolution techniques can enhance visual experiences and facilitate more efficient information dissemination. We propose…

图像与视频处理 · 电气工程与系统科学 2024-07-12 Congrui Fu , Hui Yuan , Shiqi Jiang , Guanghui Zhang , Liquan Shen , Raouf Hamzaoui

Graph Convolutional Network (GCN) is a model that can effectively handle graph data tasks and has been successfully applied. However, for large-scale graph datasets, GCN still faces the challenge of high computational overhead, especially…

机器学习 · 计算机科学 2026-04-15 Guan Wang , Shuyin Xia , Lei Qian , Tao Wu , Guoyin Wang , Yi Wang , Wei Wang

Although deep neural networks (DNNs) enable great progress in video abnormal event detection (VAD), existing solutions typically suffer from two issues: (1) The localization of video events cannot be both precious and comprehensive. (2) The…

计算机视觉与模式识别 · 计算机科学 2021-09-20 Siqi Wang , Guang Yu , Zhiping Cai , Xinwang Liu , En Zhu , Jianping Yin

In this paper, we present a gated convolutional neural network and a temporal attention-based localization method for audio classification, which won the 1st place in the large-scale weakly supervised sound event detection task of Detection…

声音 · 计算机科学 2017-10-03 Yong Xu , Qiuqiang Kong , Wenwu Wang , Mark D. Plumbley

Abnormal event detection (AED) in urban surveillance videos has multiple challenges. Unlike other computer vision problems, the AED is not solely dependent on the content of frames. It also depends on the appearance of the objects and their…

计算机视觉与模式识别 · 计算机科学 2020-11-20 Ali Atghaei , Soroush Ziaeinejad , Mohammad Rahmati

Anomaly detection in videos aims at reporting anything that does not conform the normal behaviour or distribution. However, due to the sparsity of abnormal video clips in real life, collecting annotated data for supervised learning is…

计算机视觉与模式识别 · 计算机科学 2019-10-22 Yiwei Lu , Mahesh Kumar Krishna Reddy , Seyed shahabeddin Nabavi , Yang Wang

The CNN-encoding of features from entire videos for the representation of human actions has rarely been addressed. Instead, CNN work has focused on approaches to fuse spatial and temporal networks, but these were typically limited to…

计算机视觉与模式识别 · 计算机科学 2016-11-22 Ali Diba , Vivek Sharma , Luc Van Gool

Detailed analysis of seizure semiology, the symptoms and signs which occur during a seizure, is critical for management of epilepsy patients. Inter-rater reliability using qualitative visual analysis is often poor for semiological features.…

计算机视觉与模式识别 · 计算机科学 2021-09-28 Fernando Pérez-García , Catherine Scott , Rachel Sparks , Beate Diehl , Sébastien Ourselin

In recent years, there has been remarkable progress in supervised image segmentation. Video segmentation is less explored, despite the temporal dimension being highly informative. Semantic labels, e.g. that cannot be accurately detected in…

计算机视觉与模式识别 · 计算机科学 2019-08-30 Radu Sibechi , Olaf Booij , Nora Baka , Peter Bloem

Video Capsule Endoscopy (VCE) has become an indispensable diagnostic tool for gastrointestinal (GI) disorders due to its non-invasive nature and ability to capture high-resolution images of the small intestine. However, the enormous volume…

计算机视觉与模式识别 · 计算机科学 2026-04-02 Vamshi Krishna Kancharla , Pavan Kumar Kaveti , Dasari Naga Raju

Despite the recent progress, 3D multi-person pose estimation from monocular videos is still challenging due to the commonly encountered problem of missing information caused by occlusion, partially out-of-frame target persons, and…

计算机视觉与模式识别 · 计算机科学 2021-04-08 Yu Cheng , Bo Wang , Bo Yang , Robby T. Tan

Recently, deep learning approach, especially deep Convolutional Neural Networks (ConvNets), have achieved overwhelming accuracy with fast processing speed for image classification. Incorporating temporal structure with deep ConvNets for…

计算机视觉与模式识别 · 计算机科学 2015-11-12 Pingbo Pan , Zhongwen Xu , Yi Yang , Fei Wu , Yueting Zhuang

Over many decades, researchers working in object recognition have longed for an end-to-end automated system that will simply accept 2D or 3D image or videos as inputs and output the labels of objects in the input data. Computer vision…

计算机视觉与模式识别 · 计算机科学 2016-01-29 Rama Chellappa , Jun-Cheng Chen , Rajeev Ranjan , Swami Sankaranarayanan , Amit Kumar , Vishal M. Patel , Carlos D. Castillo

The ability to identify and temporally segment fine-grained human actions throughout a video is crucial for robotics, surveillance, education, and beyond. Typical approaches decouple this problem by first extracting local spatiotemporal…

计算机视觉与模式识别 · 计算机科学 2016-11-17 Colin Lea , Michael D. Flynn , Rene Vidal , Austin Reiter , Gregory D. Hager

Fully convolutional neural networks (FCNNs) trained on a large number of images with strong pixel-level annotations have become the new state of the art for the semantic segmentation task. While there have been recent attempts to learn…

计算机视觉与模式识别 · 计算机科学 2017-04-24 Pavel Tokmakov , Karteek Alahari , Cordelia Schmid

Temporal action localization has long been researched in computer vision. Existing state-of-the-art action localization methods divide each video into multiple action units (i.e., proposals in two-stage methods and segments in one-stage…

计算机视觉与模式识别 · 计算机科学 2021-12-02 Runhao Zeng , Wenbing Huang , Mingkui Tan , Yu Rong , Peilin Zhao , Junzhou Huang , Chuang Gan

This paper presents a method to efficiently classify the gastroenterologic section of images derived from Video Capsule Endoscopy (VCE) studies by exploring the combination of a Convolutional Neural Network (CNN) for classification with the…

机器学习 · 计算机科学 2025-05-12 Julia Werner , Christoph Gerum , Moritz Reiber , Jörg Nick , Oliver Bringmann

Convolutional Neural Networks (CNNs) work very well for supervised learning problems when the training dataset is representative of the variations expected to be encountered at test time. In medical image segmentation, this premise is…

图像与视频处理 · 电气工程与系统科学 2021-01-26 Neerav Karani , Ertunc Erdil , Krishna Chaitanya , Ender Konukoglu

Machine learning techniques, namely convolutional neural networks (CNN) and regression forests, have recently shown great promise in performing 6-DoF localization of monocular images. However, in most cases image-sequences, rather only…

计算机视觉与模式识别 · 计算机科学 2017-08-01 Ronald Clark , Sen Wang , Andrew Markham , Niki Trigoni , Hongkai Wen