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Streaming algorithms are generally judged by the quality of their solution, memory footprint, and computational complexity. In this paper, we study the problem of maximizing a monotone submodular function in the streaming setting with a…

Machine Learning · Computer Science 2019-05-14 Ehsan Kazemi , Marko Mitrovic , Morteza Zadimoghaddam , Silvio Lattanzi , Amin Karbasi

We study core-set construction algorithms for the task of Diversity Maximization under fairness/partition constraint. Given a set of points $P$ in a metric space partitioned into $m$ groups, and given $k_1,\ldots,k_m$, the goal of this…

Data Structures and Algorithms · Computer Science 2023-10-13 Sepideh Mahabadi , Stojan Trajanovski

Although the problem of automatic video summarization has recently received a lot of attention, the problem of creating a video summary that also highlights elements relevant to a search query has been less studied. We address this problem…

Computer Vision and Pattern Recognition · Computer Science 2017-09-29 Arun Balajee Vasudevan , Michael Gygli , Anna Volokitin , Luc Van Gool

The goal of video summarization is to select keyframes that are visually diverse and can represent a whole story of an input video. State-of-the-art approaches for video summarization have mostly regarded the task as a frame-wise keyframe…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Jungin Park , Jiyoung Lee , Ig-Jae Kim , Kwanghoon Sohn

Video smmarization is a crucial method to reduce the time of videos which reduces the spent time to watch/review a long video. This apporach has became more important as the amount of publisehed video is increasing everyday. A single or…

Computer Vision and Pattern Recognition · Computer Science 2024-01-22 Vahid Ahmadi Kalkhorani , Qingquan Zhang , Guanqun Song , Ting Zhu

In this paper, we develop the first one-pass streaming algorithm for submodular maximization that does not evaluate the entire stream even once. By carefully subsampling each element of data stream, our algorithm enjoys the tightest…

Machine Learning · Computer Science 2018-02-21 Moran Feldman , Amin Karbasi , Ehsan Kazemi

In recent years, there has been an increasing interest in building video summarization tools, where the goal is to automatically create a short summary of an input video that properly represents the original content. We consider shot-based…

Computer Vision and Pattern Recognition · Computer Science 2019-12-10 Yair Shemer , Daniel Rotman , Nahum Shimkin

Long-form video content constitutes a significant portion of internet traffic, making automated video summarization an essential research problem. However, existing video summarization datasets are notably limited in their size,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-05 Dawit Mureja Argaw , Seunghyun Yoon , Fabian Caba Heilbron , Hanieh Deilamsalehy , Trung Bui , Zhaowen Wang , Franck Dernoncourt , Joon Son Chung

Video is one of the robust sources of information and the consumption of online and offline videos has reached an unprecedented level in the last few years. A fundamental challenge of extracting information from videos is a viewer has to go…

Information Retrieval · Computer Science 2020-11-17 Shruti Jadon , Mahmood Jasim

Video summarization methods are usually classified into shot-level or frame-level methods, which are individually used in a general way. This paper investigates the underlying complementarity between the frame-level and shot-level methods,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Yubo An , Shenghui Zhao , Guoqiang Zhang

The proliferation of video content on platforms like YouTube and Vimeo presents significant challenges in efficiently locating relevant information. Automatic video summarization aims to address this by extracting and presenting key content…

Computer Vision and Pattern Recognition · Computer Science 2024-08-28 Jia-Hong Huang

Subsampling from a large data set is useful in many supervised learning contexts to provide a global view of the data based on only a fraction of the observations. Diverse (or space-filling) subsampling is an appealing subsampling approach…

Methodology · Statistics 2023-11-27 Boyang Shang , Daniel W. Apley , Sanjay Mehrotra

We propose a graph-based representation learning framework for video summarization. First, we convert an input video to a graph where nodes correspond to each of the video frames. Then, we impose sparsity on the graph by connecting only…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Jose M. Rojas Chaves , Subarna Tripathi

We present a method for creating video summaries in real-time on commodity hardware. Real-time here refers to the fact that the time required for video summarization is less than the duration of the input video. First, low-level features…

Computer Vision and Pattern Recognition · Computer Science 2019-01-29 Wesley Taylor , Faisal Z. Qureshi

In this paper, we present VSCAN, a novel approach for generating static video summaries. This approach is based on a modified DBSCAN clustering algorithm to summarize the video content utilizing both color and texture features of the video…

Computer Vision and Pattern Recognition · Computer Science 2014-05-02 Karim M. Mohamed , Mohamed A. Ismail , Nagia M. Ghanem

From a high volume stream of weighted items, we want to maintain a generic sample of a certain limited size $k$ that we can later use to estimate the total weight of arbitrary subsets. This is the classic context of on-line reservoir…

Data Structures and Algorithms · Computer Science 2010-11-16 Edith Cohen , Nick Duffield , Haim Kaplan , Carsten Lund , Mikkel Thorup

Video summarization aims at choosing parts of a video that narrate a story as close as possible to the original one. Most of the existing video summarization approaches focus on hand-crafted labels. As the number of videos grows…

Computer Vision and Pattern Recognition · Computer Science 2023-04-20 Ivan Sosnovik , Artem Moskalev , Cees Kaandorp , Arnold Smeulders

Video summarization aims to facilitate large-scale video browsing by producing short, concise summaries that are diverse and representative of original videos. In this paper, we formulate video summarization as a sequential decision-making…

Computer Vision and Pattern Recognition · Computer Science 2018-02-15 Kaiyang Zhou , Yu Qiao , Tao Xiang

Compact keyframe-based video summaries are a popular way of generating viewership on video sharing platforms. Yet, creating relevant and compelling summaries for arbitrarily long videos with a small number of keyframes is a challenging…

Computer Vision and Pattern Recognition · Computer Science 2015-02-02 Olivier Morère , Hanlin Goh , Antoine Veillard , Vijay Chandrasekhar , Jie Lin

This paper introduces a novel variant of video summarization, namely building a summary that depends on the particular aspect of a video the viewer focuses on. We refer to this as $\textit{viewpoint}$. To infer what the desired…

Computer Vision and Pattern Recognition · Computer Science 2018-04-11 Atsushi Kanehira , Luc Van Gool , Yoshitaka Ushiku , Tatsuya Harada