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In recent years, text-to-video retrieval methods based on CLIP have experienced rapid development. The primary direction of evolution is to exploit the much wider gamut of visual and textual cues to achieve alignment. Concretely, those…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Kaibin Tian , Yanhua Cheng , Yi Liu , Xinglin Hou , Quan Chen , Han Li

Image search stands as a pivotal task in multimedia and computer vision, finding applications across diverse domains, ranging from internet search to medical diagnostics. Conventional image search systems operate by accepting textual or…

Multimedia · Computer Science 2024-04-30 Hongyi Zhu , Jia-Hong Huang , Stevan Rudinac , Evangelos Kanoulas

Video moment search, the process of finding relevant moments in a video corpus to match a user's query, is crucial for various applications. Existing solutions, however, often assume a single perfect matching moment, struggle with…

Information Retrieval · Computer Science 2025-01-10 Chongzhi Zhang , Xizhou Zhu , Aixin Sun

Recent advances in the diffusion models have significantly improved text-to-image generation. However, generating videos from text is a more challenging task than generating images from text, due to the much larger dataset and higher…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Taegyeong Lee , Soyeong Kwon , Taehwan Kim

In this study, we formulate the concept of "mining maximal-size frequent subgraphs" in the challenging domain of visual data (images and videos). In general, visual knowledge can usually be modeled as attributed relational graphs (ARGs)…

Computer Vision and Pattern Recognition · Computer Science 2017-08-15 Quanshi Zhang , Xuan Song , Ryosuke Shibasaki

We present a content-based retrieval method for long surveillance videos both for wide-area (Airborne) as well as near-field imagery (CCTV). Our goal is to retrieve video segments, with a focus on detecting objects moving on routes, that…

Computer Vision and Pattern Recognition · Computer Science 2014-05-02 Greg Castanon , Mohamed Elgharib , Venkatesh Saligrama , Pierre-Marc Jodoin

Video super-resolution (VSR) aims at restoring a video in low-resolution (LR) and improving it to higher-resolution (HR). Due to the characteristics of video tasks, it is very important that motion information among frames should be well…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Hongying Liu , Peng Zhao , Zhubo Ruan , Fanhua Shang , Yuanyuan Liu

Despite recent advances in retrieval-augmented generation (RAG) for video understanding, effectively understanding long-form video content remains underexplored due to the vast scale and high complexity of video data. Current RAG approaches…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Nianbo Zeng , Haowen Hou , Fei Richard Yu , Si Shi , Ying Tiffany He

Video-based person re-identification (ReID) is a challenging problem, where some video tracks of people across non-overlapping cameras are available for matching. Feature aggregation from a video track is a key step for video-based person…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 Xingyu Liao , Lingxiao He , Zhouwang Yang , Chi Zhang

We introduce the task of stereo video reconstruction or, equivalently, 2D-to-3D video conversion for minimally invasive surgical video. We design and implement a series of end-to-end U-Net-based solutions for this task by varying the input…

Image and Video Processing · Electrical Eng. & Systems 2021-09-20 Annika Brundyn , Jesse Swanson , Kyunghyun Cho , Doug Kondziolka , Eric Oermann

Visual recognition and vision based retrieval of objects from large databases are tasks with a wide spectrum of potential applications. In this paper we propose a novel recognition method from video sequences suitable for retrieval from…

Computer Vision and Pattern Recognition · Computer Science 2016-03-22 Warren Rieutort-Louis , Ognjen Arandjelovic

Analog magnetic tapes have been the main video data storage device for several decades. Videos stored on analog videotapes exhibit unique degradation patterns caused by tape aging and reader device malfunctioning that are different from…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Lorenzo Agnolucci , Leonardo Galteri , Marco Bertini , Alberto Del Bimbo

The majority of traditional text-to-video retrieval systems operate in static environments, i.e., there is no interaction between the user and the agent beyond the initial textual query provided by the user. This can be sub-optimal if the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Avinash Madasu , Junier Oliva , Gedas Bertasius

Our objective is video retrieval based on natural language queries. In addition, we consider the analogous problem of retrieving sentences or generating descriptions given an input video. Recent work has addressed the problem by embedding…

Computer Vision and Pattern Recognition · Computer Science 2016-08-09 Mayu Otani , Yuta Nakashima , Esa Rahtu , Janne Heikkilä , Naokazu Yokoya

High accuracy video label prediction (classification) models are attributed to large scale data. These data could be frame feature sequences extracted by a pre-trained convolutional-neural-network, which promote the efficiency for creating…

Computer Vision and Pattern Recognition · Computer Science 2019-06-04 Feng Mao , Xiang Wu , Hui Xue , Rong Zhang

Developing a technique for the automatic analysis of surveillance videos in order to identify the presence of violence is of broad interest. In this work, we propose a deep neural network for the purpose of recognizing violent videos. A…

Computer Vision and Pattern Recognition · Computer Science 2017-09-20 Swathikiran Sudhakaran , Oswald Lanz

In video compression, most of the existing deep learning approaches concentrate on the visual quality of a single frame, while ignoring the useful priors as well as the temporal information of adjacent frames. In this paper, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2019-01-16 Xiandong Meng , Xuan Deng , Shuyuan Zhu , Shuaicheng Liu , Chuan Wang , Chen Chen , Bing Zeng

This paper presents a novel retrieval pipeline for video collections, which aims to retrieve the most significant parts of an edited video for a given query, and represent them with thumbnails which are at the same time semantically…

Computer Vision and Pattern Recognition · Computer Science 2016-04-12 Lorenzo Baraldi , Costantino Grana , Rita Cucchiara

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 identification of source cameras from videos, though it is a highly relevant forensic analysis topic, has been studied much less than its counterpart that uses images. In this work we propose a method to identify the source camera of a…

Computer Vision and Pattern Recognition · Computer Science 2020-12-14 Derrick Timmerman , Swaroop Bennabhaktula , Enrique Alegre , George Azzopardi