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Massive-scale pretraining has made vision-language models increasingly popular for image-to-image and text-to-image retrieval across a broad collection of domains. However, these models do not perform well when used for challenging…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Eric Xing , Abby Stylianou , Robert Pless , Nathan Jacobs

Given a video and a linguistic query, video moment retrieval and highlight detection (MR&HD) aim to locate all the relevant spans while simultaneously predicting saliency scores. Most existing methods utilize RGB images as input,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Yifang Xu , Yunzhuo Sun , Benxiang Zhai , Zien Xie , Youyao Jia , Sidan Du

Most organizational data in this world are stored as documents, and visual retrieval plays a crucial role in unlocking the collective intelligence from all these documents. However, existing benchmarks focus on English-only document…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Jian Chen , Ming Li , Jihyung Kil , Chenguang Wang , Tong Yu , Ryan Rossi , Tianyi Zhou , Changyou Chen , Ruiyi Zhang

Query optimization is a crucial component for the efficacy of Retrieval-Augmented Generation (RAG) systems. While reinforcement learning (RL)-based agentic and reasoning methods have recently emerged as a promising direction on query…

Artificial Intelligence · Computer Science 2026-01-30 Wei Wen , Sihang Deng , Tianjun Wei , Keyu Chen , Ruizhi Qiao , Xing Sun

We introduce a multimodal visual-textual search refinement method for fashion garments. Existing search engines do not enable intuitive, interactive, refinement of retrieved results based on the properties of a particular product. We…

Machine Learning · Computer Science 2019-06-18 Gil Sadeh , Lior Fritz , Gabi Shalev , Eduard Oks

Text-to-image retrieval is a fundamental task in vision-language learning, yet in real-world scenarios it is often challenged by short and underspecified user queries. Such queries are typically only one or two words long, rendering them…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Jianglin Lu , Simon Jenni , Kushal Kafle , Jing Shi , Handong Zhao , Yun Fu

In a retrieval system, simultaneously achieving search accuracy and efficiency is inherently challenging. This challenge is particularly pronounced in partially relevant video retrieval (PRVR), where incorporating more diverse context…

Computer Vision and Pattern Recognition · Computer Science 2025-04-18 WonJun Moon , Cheol-Ho Cho , Woojin Jun , Minho Shim , Taeoh Kim , Inwoong Lee , Dongyoon Wee , Jae-Pil Heo

Retrieval-Augmented Generation (RAG) over Knowledge Graphs (KGs) suffers from the fact that indexing approaches may lose important contextual nuance when text is reduced to triples, thereby degrading performance in downstream…

Computation and Language · Computer Science 2026-03-13 Riccardo Campi , Nicolò Oreste Pinciroli Vago , Mathyas Giudici , Marco Brambilla , Piero Fraternali

Existing Multimodal Knowledge-Based Visual Question Answering (MKB-VQA) benchmarks suffer from "visual shortcuts", as the query image typically matches the primary subject entity of the target document. We demonstrate that models can…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Dosung Lee , Sangwon Jung , Boyoung Kim , Minyoung Kim , Sungyeon Kim , Junyoung Sung , Paul Hongsuck Seo

With advances in multimodal research and deep learning, Multimodal Large Language Models (MLLMs) have emerged as a powerful paradigm for a wide range of multimodal tasks. As a core problem in vision-language research, Visual Question…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Quanxing Xu , Ling Zhou , Xian Zhong , Xiaohua Huang , Rubing Huang , Chia-Wen Lin

Knowledge-intensive visual question answering (VQA) requires external knowledge beyond image content, demanding precise visual grounding and coherent integration of visual and textual information. Although multimodal retrieval-augmented…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Changin Choi , Wonseok Lee , Jungmin Ko , Wonjong Rhee

The exponential growth of Large Multimodal Models (LMMs) has driven advancements in cross-modal reasoning but at significant computational costs. In this work, we focus on visual language models. We highlight the redundancy and inefficiency…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Yasmine Omri , Parth Shroff , Thierry Tambe

Query reformulations have long been a key mechanism to alleviate the vocabulary-mismatch problem in information retrieval, for example by expanding the queries with related query terms or by generating paraphrases of the queries. In this…

Information Retrieval · Computer Science 2020-07-17 Xiao Wang , Craig Macdonald , Iadh Ounis

Retrieving relevant evidence from visually rich documents such as textbooks, technical reports, and manuals is challenging due to long context, complex layouts, and weak lexical overlap between user questions and supporting pages. We…

Information Retrieval · Computer Science 2026-03-31 Seonok Kim

Composed video retrieval (CoVR) is a challenging problem in computer vision which has recently highlighted the integration of modification text with visual queries for more sophisticated video search in large databases. Existing works…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Omkar Thawakar , Muzammal Naseer , Rao Muhammad Anwer , Salman Khan , Michael Felsberg , Mubarak Shah , Fahad Shahbaz Khan

In multimodal multi-hop question answering, we focus on the initial retrieval stage via two distinct tasks: (1) evidence set completion, retrieving missing evidence given context, and (2) sequential pool construction, iteratively building…

Information Retrieval · Computer Science 2026-05-28 Sunah O , Jay-Yoon Lee

Generative retrieval represents a novel approach to information retrieval. It uses an encoder-decoder architecture to directly produce relevant document identifiers (docids) for queries. While this method offers benefits, current approaches…

Information Retrieval · Computer Science 2024-09-30 Yubao Tang , Ruqing Zhang , Jiafeng Guo , Maarten de Rijke , Wei Chen , Xueqi Cheng

Retrieve-augmented generation (RAG) frameworks have emerged as a promising solution to multi-hop question answering(QA) tasks since it enables large language models (LLMs) to incorporate external knowledge and mitigate their inherent…

Computation and Language · Computer Science 2024-12-20 Xiangsen Chen , Xuming Hu , Nan Tang

As a fundamental and challenging task in bridging language and vision domains, Image-Text Retrieval (ITR) aims at searching for the target instances that are semantically relevant to the given query from the other modality, and its key…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Yan Zhang , Zhong Ji , Di Wang , Yanwei Pang , Xuelong Li

State-of-the-art retrieval models typically address a straightforward search scenario, in which retrieval tasks are fixed (e.g., finding a passage to answer a specific question) and only a single modality is supported for both queries and…

Computation and Language · Computer Science 2025-02-25 Sheng-Chieh Lin , Chankyu Lee , Mohammad Shoeybi , Jimmy Lin , Bryan Catanzaro , Wei Ping