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Video summarization remains a huge challenge in computer vision due to the size of the input videos to be summarized. We propose an efficient, language-only video summarizer that achieves competitive accuracy with high data efficiency.…

人工智能 · 计算机科学 2023-09-19 Yoonsoo Nam , Adam Lehavi , Daniel Yang , Digbalay Bose , Swabha Swayamdipta , Shrikanth Narayanan

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…

计算机视觉与模式识别 · 计算机科学 2019-01-29 Wesley Taylor , Faisal Z. Qureshi

Video summarization aims to generate a concise representation of a video, capturing its essential content and key moments while reducing its overall length. Although several methods employ attention mechanisms to handle long-term…

计算机视觉与模式识别 · 计算机科学 2024-05-22 Jaewon Son , Jaehun Park , Kwangsu Kim

Accurate and fast extraction of foreground object is a key prerequisite for a wide range of computer vision applications such as object tracking and recognition. Thus, enormous background subtraction methods for foreground object detection…

计算机视觉与模式识别 · 计算机科学 2019-05-01 Dongdong Zeng , Ming Zhu , Arjan Kuijper

Given the explosive growth of online videos, it is becoming increasingly important to relieve the tedious work of browsing and managing the video content of interest. Video summarization aims at providing such a technique by transforming…

计算机视觉与模式识别 · 计算机科学 2017-07-14 Zhong Ji , Yaru Ma , Yanwei Pang , Xuelong Li

The continuous and rapid growth of highly interconnected datasets, which are both voluminous and complex, calls for the development of adequate processing and analytical techniques. One method for condensing and simplifying such datasets is…

数据库 · 计算机科学 2020-05-13 Angela Bonifati , Stefania Dumbrava , Haridimos Kondylakis

A short clip of video may contain progression of multiple events and an interesting story line. A human need to capture both the event in every shot and associate them together to understand the story behind it. In this work, we present a…

计算机视觉与模式识别 · 计算机科学 2025-02-06 Mingfei Han , Linjie Yang , Xiaojun Chang , Lina Yao , Heng Wang

Video summarization aims to distill the most important information from a source video to produce either an abridged clip or a textual narrative. Traditionally, different methods have been proposed depending on whether the output is a video…

计算机视觉与模式识别 · 计算机科学 2024-04-24 Jingyang Lin , Hang Hua , Ming Chen , Yikang Li , Jenhao Hsiao , Chiuman Ho , Jiebo Luo

Video synopsis, summarizing a video to generate a shorter video by exploiting the spatial and temporal redundancies, is important for surveillance and archiving. Existing trajectory-based video synopsis algorithms will not able to work in…

计算机视觉与模式识别 · 计算机科学 2024-01-08 Anton Jeran Ratnarajah , Sahani Goonetilleke , Dumindu Tissera , Kapilan Balagopalan , Ranga Rodrigo

In this work we propose a multi-task spatio-temporal network, called SUSiNet, that can jointly tackle the spatio-temporal problems of saliency estimation, action recognition and video summarization. Our approach employs a single network…

计算机视觉与模式识别 · 计算机科学 2019-04-16 Petros Koutras , Petros Maragos

Opinion summarization is expected to digest larger review sets and provide summaries from different perspectives. However, most existing solutions are deficient in epitomizing extensive reviews and offering opinion summaries from various…

计算与语言 · 计算机科学 2023-10-23 Han Jiang , Rui Wang , Zhihua Wei , Yu Li , Xinpeng Wang

Image processing and recognition are an important part of the modern society, with applications in fields such as advanced artificial intelligence, smart assistants, and security surveillance. The essential first step involved in almost all…

计算机视觉与模式识别 · 计算机科学 2018-10-25 Min Chen , Andy Song , Shivanthan A. C. Yhanandan , Jing Zhang

The sheer scale of modern datasets has resulted in a dire need for summarization techniques that identify representative elements in a dataset. Fortunately, the vast majority of data summarization tasks satisfy an intuitive diminishing…

机器学习 · 计算机科学 2018-06-08 Marko Mitrovic , Ehsan Kazemi , Morteza Zadimoghaddam , Amin Karbasi

Conventional video summarization approaches based on reinforcement learning have the problem that the reward can only be received after the whole summary is generated. Such kind of reward is sparse and it makes reinforcement learning hard…

计算机视觉与模式识别 · 计算机科学 2020-03-03 Yiyan Chen , Li Tao , Xueting Wang , Toshihiko Yamasaki

Automatic summarization generation of sports video content has been object of great interest for many years. Although semantic descriptions techniques have been proposed, many of the approaches still rely on low-level video descriptors that…

信息检索 · 计算机科学 2014-11-25 Arnau Raventos , Raul Quijada , Luis Torres , Francesc Tarres

In this work, we introduce the task of script-driven video summarization, which aims to produce a summary of the full-length video by selecting the parts that are most relevant to a user-provided script outlining the visual content of the…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Manolis Mylonas , Evlampios Apostolidis , Vasileios Mezaris

With the widespread use of installed cameras, video-based monitoring approaches have seized considerable attention for different purposes like assisted living. Temporal redundancy and the sheer size of raw videos are the two most common…

计算机视觉与模式识别 · 计算机科学 2022-09-30 Ali Abdari , Pouria Amirjan , Azadeh Mansouri

Large collections of videos are grouped into clusters by a topic keyword, such as Eiffel Tower or Surfing, with many important visual concepts repeating across them. Such a topically close set of videos have mutual influence on each other,…

计算机视觉与模式识别 · 计算机科学 2017-06-13 Rameswar Panda , Amit K. Roy-Chowdhury

Most existing video summarisation methods are based on either supervised or unsupervised learning. In this paper, we propose a reinforcement learning-based weakly supervised method that exploits easy-to-obtain, video-level category labels…

计算机视觉与模式识别 · 计算机科学 2018-09-05 Kaiyang Zhou , Tao Xiang , Andrea Cavallaro

The objective of this study is to compare several change detection methods for a mono static camera and identify the best method for different complex environments and backgrounds in indoor and outdoor scenes. To this end, we used the CDnet…

计算机视觉与模式识别 · 计算机科学 2018-04-17 Kamal Sehairi , Chouireb Fatima , Jean Meunier