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Long-form video understanding, characterized by long-range temporal dependencies and multiple events, remains a challenge. Existing methods often rely on static reasoning or external visual-language models (VLMs), which face issues like…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Yuan Xie , Tianshui Chen , Zheng Ge , Lionel Ni

The user base of short video apps has experienced unprecedented growth in recent years, resulting in a significant demand for video content analysis. In particular, text-video retrieval, which aims to find the top matching videos given text…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Xuzheng Yu , Chen Jiang , Xingning Dong , Tian Gan , Ming Yang , Qingpei Guo

Retrieving unlabeled videos by textual queries, known as Ad-hoc Video Search (AVS), is a core theme in multimedia data management and retrieval. The success of AVS counts on cross-modal representation learning that encodes both query…

Computer Vision and Pattern Recognition · Computer Science 2020-11-25 Xirong Li , Fangming Zhou , Chaoxi Xu , Jiaqi Ji , Gang Yang

This paper addresses the problem of media retrieval using a multimodal query (a query which combines visual input with additional semantic information in natural language feedback). We propose a SynthTriplet GAN framework which resolves…

Computer Vision and Pattern Recognition · Computer Science 2021-07-01 Ivona Tautkute , Tomasz Trzcinski

We explore the effectiveness of an LLM-guided query refinement paradigm for extending the usability of embedding models to challenging zero-shot search and classification tasks. Our approach refines the embedding representation of a user…

Computation and Language · Computer Science 2026-05-13 Ariel Gera , Shir Ashury-Tahan , Gal Bloch , Ohad Eytan , Assaf Toledo

Our objective in this work is video-text retrieval - in particular a joint embedding that enables efficient text-to-video retrieval. The challenges in this area include the design of the visual architecture and the nature of the training…

Computer Vision and Pattern Recognition · Computer Science 2022-05-16 Max Bain , Arsha Nagrani , Gül Varol , Andrew Zisserman

Visual-semantic embedding aims to find a shared latent space where related visual and textual instances are close to each other. Most current methods learn injective embedding functions that map an instance to a single point in the shared…

Computer Vision and Pattern Recognition · Computer Science 2019-07-18 Yale Song , Mohammad Soleymani

Seas of videos are uploaded daily with the popularity of social channels; thus, retrieving the most related video contents with user textual queries plays a more crucial role. Most methods consider only one joint embedding space between…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Burak Satar , Hongyuan Zhu , Hanwang Zhang , Joo Hwee Lim

Retrieval-augmented generation (RAG) systems rely on accurate document retrieval to ground large language models (LLMs) in external knowledge, yet retrieval quality often degrades in corpora where topics overlap and thematic variation is…

Information Retrieval · Computer Science 2026-01-06 Rodrigo Kataishi

Large Language Models (LLMs)-based text retrieval retrieves documents relevant to search queries based on vector similarities. Documents are pre-encoded offline, while queries arrive in real-time, necessitating an efficient online query…

Information Retrieval · Computer Science 2026-02-02 Guangyuan Ma , Yongliang Ma , Xuanrui Gou , Zhenpeng Su , Ming Zhou , Songlin Hu

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

The query-based moment retrieval is a problem of localising a specific clip from an untrimmed video according a query sentence. This is a challenging task that requires interpretation of both the natural language query and the video…

Computer Vision and Pattern Recognition · Computer Science 2020-10-08 Mayu Otani , Yuta Nakashima , Esa Rahtu , Janne Heikkilä

Multi-modal retrieval is an important problem for many applications, such as recommendation and search. Current benchmarks and even datasets are often manually constructed and consist of mostly clean samples where all modalities are…

Computer Vision and Pattern Recognition · Computer Science 2022-10-21 Laura Hanu , James Thewlis , Yuki M. Asano , Christian Rupprecht

Vision-language alignment learning for video-text retrieval arouses a lot of attention in recent years. Most of the existing methods either transfer the knowledge of image-text pretraining model to video-text retrieval task without fully…

Computer Vision and Pattern Recognition · Computer Science 2023-01-31 Yizhen Chen , Jie Wang , Lijian Lin , Zhongang Qi , Jin Ma , Ying Shan

This paper explores a specific sub-task of cross-modal music retrieval. We consider the delicate task of retrieving a performance or rendition of a musical piece based on a description of its style, expressive character, or emotion from a…

Sound · Computer Science 2024-01-29 Shreyan Chowdhury , Gerhard Widmer

Automatically generating human-readable text describing the functionality of a program is the intent of source code summarization. Although neural language models achieve significant performance in this field, they are limited by their…

Artificial Intelligence · Computer Science 2024-04-02 Tong Ye , Lingfei Wu , Tengfei Ma , Xuhong Zhang , Yangkai Du , Peiyu Liu , Shouling Ji , Wenhai Wang

There has been significant attention to the research on dense video captioning, which aims to automatically localize and caption all events within untrimmed video. Several studies introduce methods by designing dense video captioning as a…

Computer Vision and Pattern Recognition · Computer Science 2024-04-12 Minkuk Kim , Hyeon Bae Kim , Jinyoung Moon , Jinwoo Choi , Seong Tae Kim

Modern video summarization methods are based on deep neural networks that require a large amount of annotated data for training. However, existing datasets for video summarization are small-scale, easily leading to over-fitting of the deep…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Li Haopeng , Ke Qiuhong , Gong Mingming , Tom Drummond

Embedding-based retrieval methods construct vector indices to search for document representations that are most similar to the query representations. They are widely used in document retrieval due to low latency and decent recall…

The task of retrieving clips within videos based on a given natural language query requires cross-modal reasoning over multiple frames. Prior approaches such as sliding window classifiers are inefficient, while text-clip similarity driven…

Computation and Language · Computer Science 2019-04-08 Soham Ghosh , Anuva Agarwal , Zarana Parekh , Alexander Hauptmann