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Existing Video Corpus Moment Retrieval (VCMR) is limited to coarse-grained understanding, which hinders precise video moment localization when given fine-grained queries. In this paper, we propose a more challenging fine-grained VCMR…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Houlun Chen , Xin Wang , Hong Chen , Zeyang Zhang , Wei Feng , Bin Huang , Jia Jia , Wenwu Zhu

Visual Document Retrieval (VDR) typically operates as text-to-image retrieval using specialized bi-encoders trained to directly embed document images. We revisit a zero-shot generate-and-encode pipeline: a vision-language model first…

Information Retrieval · Computer Science 2025-09-22 Thong Nguyen , Yibin Lei , Jia-Huei Ju , Andrew Yates

Decomposing a video into a layer-based representation is crucial for easy video editing for the creative industries, as it enables independent editing of specific layers. Existing video-layer decomposition models rely on implicit neural…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Maria Pilligua , Danna Xue , Javier Vazquez-Corral

In this paper, a hybrid video compression framework is proposed that serves as a demonstrative showcase of deep learning-based approaches extending beyond the confines of traditional coding methodologies. The proposed hybrid framework is…

Computer Vision and Pattern Recognition · Computer Science 2024-02-22 Yanchen Zhao , Wenxuan He , Chuanmin Jia , Qizhe Wang , Junru Li , Yue Li , Chaoyi Lin , Kai Zhang , Li Zhang , Siwei Ma

We present a perceptually-driven video compression framework integrating implicit neural representations (INRs) and pre-trained video diffusion models to address the extremely low bitrate regime (<0.05 bpp). Our approach exploits the…

Image and Video Processing · Electrical Eng. & Systems 2026-04-10 Eren Çetin , Lucas Relic , Yuanyi Xue , Markus Gross , Christopher Schroers , Roberto Azevedo

The increasing amount of online videos brings several opportunities for training self-supervised neural networks. The creation of large scale datasets of videos such as the YouTube-8M allows us to deal with this large amount of data in…

Information Retrieval · Computer Science 2018-01-09 Didac Surís , Amanda Duarte , Amaia Salvador , Jordi Torres , Xavier Giró-i-Nieto

In this paper we tackle the cross-modal video retrieval problem and, more specifically, we focus on text-to-video retrieval. We investigate how to optimally combine multiple diverse textual and visual features into feature pairs that lead…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Damianos Galanopoulos , Vasileios Mezaris

Text-to-image multimodal tasks, generating/retrieving an image from a given text description, are extremely challenging tasks since raw text descriptions cover quite limited information in order to fully describe visually realistic images.…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Soyeon Caren Han , Siqu Long , Siwen Luo , Kunze Wang , Josiah Poon

Point tracking is a challenging task in computer vision, aiming to establish point-wise correspondence across long video sequences. Recent advancements have primarily focused on temporal modeling techniques to improve local feature…

Computer Vision and Pattern Recognition · Computer Science 2024-07-31 Zikai Song , Ying Tang , Run Luo , Lintao Ma , Junqing Yu , Yi-Ping Phoebe Chen , Wei Yang

Implicit Neural Representations (INRs) have garnered significant attention for their ability to model complex signals in various domains. Recently, INR-based frameworks have shown promise in neural video compression by embedding video…

Image and Video Processing · Electrical Eng. & Systems 2025-07-25 Taiga Hayami , Kakeru Koizumi , Hiroshi Watanabe

Most video super-resolution methods focus on restoring high-resolution video frames from low-resolution videos without taking into account compression. However, most videos on the web or mobile devices are compressed, and the compression…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Yinxiao Li , Pengchong Jin , Feng Yang , Ce Liu , Ming-Hsuan Yang , Peyman Milanfar

Documents are visually rich structures that convey information through text, but also figures, page layouts, tables, or even fonts. Since modern retrieval systems mainly rely on the textual information they extract from document pages to…

Information Retrieval · Computer Science 2025-03-03 Manuel Faysse , Hugues Sibille , Tony Wu , Bilel Omrani , Gautier Viaud , Céline Hudelot , Pierre Colombo

Text-to-video retrieval systems have recently made significant progress by utilizing pre-trained models trained on large-scale image-text pairs. However, most of the latest methods primarily focus on the video modality while disregarding…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Sarah Ibrahimi , Xiaohang Sun , Pichao Wang , Amanmeet Garg , Ashutosh Sanan , Mohamed Omar

We propose Context-aware Video-text Alignment (CVA), a novel framework to address a significant challenge in video temporal grounding: achieving temporally sensitive video-text alignment that remains robust to irrelevant background context.…

Machine Learning · Computer Science 2026-03-27 Sungho Moon , Seunghun Lee , Jiwan Seo , Sunghoon Im

In this work, we propose the use of "aligned visual captions" as a mechanism for integrating information contained within videos into retrieval augmented generation (RAG) based chat assistant systems. These captions are able to describe the…

Artificial Intelligence · Computer Science 2024-05-29 Kevin Dela Rosa

Video Retrieval is a challenging task where a text query is matched to a video or vice versa. Most of the existing approaches for addressing such a problem rely on annotations made by the users. Although simple, this approach is not always…

Computer Vision and Pattern Recognition · Computer Science 2021-03-01 Jesús Andrés Portillo-Quintero , José Carlos Ortiz-Bayliss , Hugo Terashima-Marín

The relations expressed in user queries are vital for cross-modal information retrieval. Relation-focused cross-modal retrieval aims to retrieve information that corresponds to these relations, enabling effective retrieval across different…

Computer Vision and Pattern Recognition · Computer Science 2023-07-31 Yan Gong , Georgina Cosma , Axel Finke

Implicit neural representations (INRs) have emerged as a promising approach for video storage and processing, showing remarkable versatility across various video tasks. However, existing methods often fail to fully leverage their…

Image and Video Processing · Electrical Eng. & Systems 2024-03-19 Xinjie Zhang , Ren Yang , Dailan He , Xingtong Ge , Tongda Xu , Yan Wang , Hongwei Qin , Jun Zhang

Recently, with the enormous growth of online videos, fast video retrieval research has received increasing attention. As an extension of image hashing techniques, traditional video hashing methods mainly depend on hand-crafted features and…

Computer Vision and Pattern Recognition · Computer Science 2017-12-04 Yj Dong , JG Li

Information Retrieval (IR) methods aim to identify documents relevant to a query, which have been widely applied in various natural language tasks. However, existing approaches typically consider only the textual content within documents,…

Computation and Language · Computer Science 2026-01-26 Jaewoo Lee , Joonho Ko , Jinheon Baek , Soyeong Jeong , Sung Ju Hwang