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In some practical learning tasks, such as traffic video analysis, the number of available training samples is restricted by different factors, such as limited communication bandwidth and computation power. Determinantal Point Process (DPP)…

Machine Learning · Computer Science 2023-08-17 Xiwen Chen , Huayu Li , Rahul Amin , Abolfazl Razi

While most frames in long-form video are redundant, the critical information resides in temporal surprises: moments where the actual visual features deviate from their predicted evolution. Inspired by the human brain's predictive coding, we…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Dahye Kim , Bhuvan Sachdeva , Karan Uppal , Naman Gupta , Vineeth N. Balasubramanian , Deepti Ghadiyaram

Human actions in videos are 3D signals. However, there are a few methods available for multiple human action recognition. For long videos, it's difficult to search within a video for a specific action and/or person. For that, this paper…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Noor Almaadeed , Omar Elharrouss , Somaya Al-Maadeed , Ahmed Bouridane , Azeddine Beghdadi

Video summarization is a crucial research area that aims to efficiently browse and retrieve relevant information from the vast amount of video content available today. With the exponential growth of multimedia data, the ability to extract…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Hai-Dang Huynh-Lam , Ngoc-Phuong Ho-Thi , Minh-Triet Tran , Trung-Nghia Le

Video summarization has unprecedented importance to help us digest, browse, and search today's ever-growing video collections. We propose a novel subset selection technique that leverages supervision in the form of human-created summaries…

Computer Vision and Pattern Recognition · Computer Science 2016-05-02 Ke Zhang , Wei-Lun Chao , Fei Sha , Kristen Grauman

YouTube users looking for instructions for a specific task may spend a long time browsing content trying to find the right video that matches their needs. Creating a visual summary (abridged version of a video) provides viewers with a quick…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Medhini Narasimhan , Arsha Nagrani , Chen Sun , Michael Rubinstein , Trevor Darrell , Anna Rohrbach , Cordelia Schmid

This paper presents a novel semi-supervised deep learning algorithm for retrieving similar 2D and 3D videos based on visual content. The proposed approach combines the power of deep convolutional and recurrent neural networks with dynamic…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Yintai Ma , Diego Klabjan

While most existing video summarization approaches aim to extract an informative summary of a single video, we propose a novel framework for summarizing multi-view videos by exploiting both intra- and inter-view content correlations in a…

Computer Vision and Pattern Recognition · Computer Science 2016-08-02 Rameswar Panda , Abir Das , Amit K. Roy-Chowdhury

Dimensionality reduction is a first step of many machine learning pipelines. Two popular approaches are principal component analysis, which projects onto a small number of well chosen but non-interpretable directions, and feature selection,…

Machine Learning · Statistics 2018-12-27 Ayoub Belhadji , Rémi Bardenet , Pierre Chainais

This paper proposes a practical multimodal video summarization task setting and a dataset to train and evaluate the task. The target task involves summarizing a given video into a predefined number of keyframe-caption pairs and displaying…

Computation and Language · Computer Science 2023-12-05 Keito Kudo , Haruki Nagasawa , Jun Suzuki , Nobuyuki Shimizu

In this paper, we address the problem of unsupervised video summarization that automatically extracts key-shots from an input video. Specifically, we tackle two critical issues based on our empirical observations: (i) Ineffective feature…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Yunjae Jung , Donghyeon Cho , Dahun Kim , Sanghyun Woo , In So Kweon

Determinantal Point Processes (DPPs) are a family of probabilistic models that have a repulsive behavior, and lend themselves naturally to many tasks in machine learning where returning a diverse set of objects is important. While there are…

Statistics Theory · Mathematics 2017-03-03 John Urschel , Victor-Emmanuel Brunel , Ankur Moitra , Philippe Rigollet

We consider the problem of video summarization. Given an input raw video, the goal is to select a small subset of key frames from the input video to create a shorter summary video that best describes the content of the original video. Most…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Mrigank Rochan , Yang Wang

The goal of video summarization is to automatically shorten videos such that it conveys the overall story without losing relevant information. In many application scenarios, improper video summarization can have a large impact. For example…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Jia-Hong Huang , Chao-Han Huck Yang , Pin-Yu Chen , Min-Hung Chen , Marcel Worring

Video summarization aims at generating a compact yet representative visual summary that conveys the essence of the original video. The advantage of unsupervised approaches is that they do not require human annotations to learn the…

Computer Vision and Pattern Recognition · Computer Science 2021-05-27 Hussain Kanafani , Junaid Ahmed Ghauri , Sherzod Hakimov , Ralph Ewerth

Diffusion models have made significant strides in image generation, mastering tasks such as unconditional image synthesis, text-image translation, and image-to-image conversions. However, their capability falls short in the realm of video…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Gaurav Shrivastava , Abhinav Shrivastava

To automatically produce a brief yet expressive summary of a long video, an automatic algorithm should start by resembling the human process of summary generation. Prior work proposed supervised and unsupervised algorithms to train models…

Computer Vision and Pattern Recognition · Computer Science 2019-03-04 Mohamed Elfeki , Ali Borji

Video summarization techniques have been proven to improve the overall user experience when it comes to accessing and comprehending video content. If the user's preference is known, video summarization can identify significant information…

Computer Vision and Pattern Recognition · Computer Science 2024-11-07 Brian Chen , Xiangyuan Zhao , Yingnan Zhu

Determinantal Point Processes (DPPs) are elegant probabilistic models of repulsion and diversity over discrete sets of items. But their applicability to large sets is hindered by expensive cubic-complexity matrix operations for basic tasks…

Machine Learning · Computer Science 2016-05-31 Chengtao Li , Stefanie Jegelka , Suvrit Sra

Video large language models (Video-LLMs) have made significant progress in understanding videos. However, processing multiple frames leads to lengthy visual token sequences, presenting challenges such as the limited context length cannot…

Computer Vision and Pattern Recognition · Computer Science 2025-10-29 Hui Sun , Shiyin Lu , Huanyu Wang , Qing-Guo Chen , Zhao Xu , Weihua Luo , Kaifu Zhang , Ming Li