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Existing datasets for manually labelled query-based video summarization are costly and thus small, limiting the performance of supervised deep video summarization models. Self-supervision can address the data sparsity challenge by using a…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Jia-Hong Huang , Luka Murn , Marta Mrak , Marcel Worring

With the rapid growth of video data on the internet, video summarization is becoming a very important AI technology. However, due to the high labelling cost of video summarization, existing studies have to be conducted on small-scale…

Multimedia · Computer Science 2026-01-13 Cairong Zhao , Chutian Wang , Zifan Song , Guosheng Hu , Haonan Chen , Xiaofan Zhai

An interesting problem in many video-based applications is the generation of short synopses by selecting the most informative frames, a procedure which is known as video summarization. For sign language videos the benefits of using the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Evangelos G. Sartinas , Emmanouil Z. Psarakis , Dimitrios I. Kosmopoulos

Extracting physical dynamical system parameters from recorded observations is key in natural science. Current methods for automatic parameter estimation from video train supervised deep networks on large datasets. Such datasets require…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Alejandro Castañeda Garcia , Jan van Gemert , Daan Brinks , Nergis Tömen

Learning with complete or partial supervision is powerful but relies on ever-growing human annotation efforts. As a way to mitigate this serious problem, as well as to serve specific applications, unsupervised learning has emerged as an…

Computer Vision and Pattern Recognition · Computer Science 2019-04-08 Huy V. Vo , Francis Bach , Minsu Cho , Kai Han , Yann LeCun , Patrick Perez , Jean Ponce

Thanks to the low operational cost and large storage capacity of smartphones and wearable devices, people are recording many hours of daily activities, sport actions and home videos. These videos, also known as egocentric videos, are…

Computer Vision and Pattern Recognition · Computer Science 2017-08-17 Washington Luis Souza Ramos , Michel Melo Silva , Mario Fernando Montenegro Campos , Erickson Rangel Nascimento

The ability to predict, anticipate and reason about future outcomes is a key component of intelligent decision-making systems. In light of the success of deep learning in computer vision, deep-learning-based video prediction emerged as a…

Unsupervised video object segmentation aims to segment a target object in the video without a ground truth mask in the initial frame. This challenging task requires extracting features for the most salient common objects within a video…

Computer Vision and Pattern Recognition · Computer Science 2022-09-09 Minhyeok Lee , Suhwan Cho , Seunghoon Lee , Chaewon Park , Sangyoun Lee

Most successful self-supervised learning methods are trained to align the representations of two independent views from the data. State-of-the-art methods in video are inspired by image techniques, where these two views are similarly…

Feature selection is an essential problem in computer vision, important for category learning and recognition. Along with the rapid development of a wide variety of visual features and classifiers, there is a growing need for efficient…

Computer Vision and Pattern Recognition · Computer Science 2014-12-01 Marius Leordeanu , Alexandra Radu , Rahul Sukthankar

The COVID-19 pandemic has highlighted the need for a tool to speed up triage in ultrasound scans and provide clinicians with fast access to relevant information. The proposed video-summarization technique is a step in this direction that…

We propose a simple, yet powerful approach for unsupervised object segmentation in videos. We introduce an objective function whose minimum represents the mask of the main salient object over the input sequence. It only relies on…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Georgy Ponimatkin , Nermin Samet , Yang Xiao , Yuming Du , Renaud Marlet , Vincent Lepetit

The idea of video super resolution is to use different view points of a single scene to enhance the overall resolution and quality. Classical energy minimization approaches first establish a correspondence of the current frame to all its…

Computer Vision and Pattern Recognition · Computer Science 2017-12-05 Jonas Geiping , Hendrik Dirks , Daniel Cremers , Michael Moeller

In this work we propose a novel method for supervised, keyshots based video summarization by applying a conceptually simple and computationally efficient soft, self-attention mechanism. Current state of the art methods leverage…

Computer Vision and Pattern Recognition · Computer Science 2019-02-22 Jiri Fajtl , Hajar Sadeghi Sokeh , Vasileios Argyriou , Dorothy Monekosso , Paolo Remagnino

Human communication takes many forms, including speech, text and instructional videos. It typically has an underlying structure, with a starting point, ending, and certain objective steps between them. In this paper, we consider…

Computer Vision and Pattern Recognition · Computer Science 2016-05-12 Ozan Sener , Amir Roshan Zamir , Chenxia Wu , Silvio Savarese , Ashutosh Saxena

In this paper, we present TAC-SUM, a novel and efficient training-free approach for video summarization that addresses the limitations of existing cluster-based models by incorporating temporal context. Our method partitions the input video…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Hai-Dang Huynh-Lam , Ngoc-Phuong Ho-Thi , Minh-Triet Tran , Trung-Nghia Le

We propose a novel solution for semi-supervised video object segmentation. By the nature of the problem, available cues (e.g. video frame(s) with object masks) become richer with the intermediate predictions. However, the existing methods…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Seoung Wug Oh , Joon-Young Lee , Ning Xu , Seon Joo Kim

This paper introduces an unsupervised framework to extract semantically rich features for video representation. Inspired by how the human visual system groups objects based on motion cues, we propose a deep convolutional neural network that…

Computer Vision and Pattern Recognition · Computer Science 2017-07-18 Xunyu Lin , Victor Campos , Xavier Giro-i-Nieto , Jordi Torres , Cristian Canton Ferrer

Action segmentation refers to inferring boundaries of semantically consistent visual concepts in videos and is an important requirement for many video understanding tasks. For this and other video understanding tasks, supervised approaches…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 M. Saquib Sarfraz , Naila Murray , Vivek Sharma , Ali Diba , Luc Van Gool , Rainer Stiefelhagen

The possibility of sharing one's point of view makes use of wearable cameras compelling. These videos are often long, boring and coupled with extreme shake, as the camera is worn on a moving person. Fast forwarding (i.e. frame sampling) is…

Computer Vision and Pattern Recognition · Computer Science 2017-01-13 Tavi Halperin , Yair Poleg , Chetan Arora , Shmuel Peleg