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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

Cross-modal retrieval between visual data and natural language description remains a long-standing challenge in multimedia. While recent image-text retrieval methods offer great promise by learning deep representations aligned across…

Text-based person retrieval (TPR) is a challenging task that involves retrieving a specific individual based on a textual description. Despite considerable efforts to bridge the gap between vision and language, the significant differences…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Yiwei Ma , Xiaoshuai Sun , Jiayi Ji , Guannan Jiang , Weilin Zhuang , Rongrong Ji

Video-Language Pre-training models have recently significantly improved various multi-modal downstream tasks. Previous dominant works mainly adopt contrastive learning to achieve global feature alignment across modalities. However, the…

Computer Vision and Pattern Recognition · Computer Science 2023-01-19 Fan Ma , Xiaojie Jin , Heng Wang , Jingjia Huang , Linchao Zhu , Jiashi Feng , Yi Yang

Learning text-video embeddings usually requires a dataset of video clips with manually provided captions. However, such datasets are expensive and time consuming to create and therefore difficult to obtain on a large scale. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2019-08-01 Antoine Miech , Dimitri Zhukov , Jean-Baptiste Alayrac , Makarand Tapaswi , Ivan Laptev , Josef Sivic

Retrieval augmentation has become an effective solution to empower large language models (LLMs) with external and verified knowledge sources from the database, which overcomes the limitations and hallucinations of LLMs in handling…

Information Retrieval · Computer Science 2023-11-21 Tong Wu , Yulei Qin , Enwei Zhang , Zihan Xu , Yuting Gao , Ke Li , Xing Sun

Multi-modal retrieval becomes increasingly popular in practice. However, the existing retrievers are mostly text-oriented, which lack the capability to process visual information. Despite the presence of vision-language models like CLIP,…

Information Retrieval · Computer Science 2024-06-07 Junjie Zhou , Zheng Liu , Shitao Xiao , Bo Zhao , Yongping Xiong

Text classification, as the task consisting in assigning categories to textual instances, is a very common task in information science. Methods learning distributed representations of words, such as word embeddings, have become popular in…

Computation and Language · Computer Science 2020-12-15 Arkaitz Zubiaga

As online video content rapidly grows, the task of text-video retrieval (TVR) becomes increasingly important. A key challenge in TVR is the information asymmetry between video and text: videos are inherently richer in information, while…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Zechen Bai , Tianjun Xiao , Tong He , Pichao Wang , Zheng Zhang , Thomas Brox , Mike Zheng Shou

Recently, masked video modeling has been widely explored and significantly improved the model's understanding ability of visual regions at a local level. However, existing methods usually adopt random masking and follow the same…

Computer Vision and Pattern Recognition · Computer Science 2023-05-16 Han Fang , Zhifei Yang , Xianghao Zang , Chao Ban , Hao Sun

Text embeddings are vital for tasks such as text retrieval and semantic textual similarity (STS). Recently, the advent of pretrained language models, along with unified benchmarks like the Massive Text Embedding Benchmark (MTEB), has…

Computation and Language · Computer Science 2024-10-22 Mingxin Li , Zhijie Nie , Yanzhao Zhang , Dingkun Long , Richong Zhang , Pengjun Xie

Video text spotting (VTS) extends image text spotting (ITS) by adding text tracking, significantly increasing task complexity. Despite progress in VTS, existing methods still fall short of the performance seen in ITS. This paper identifies…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Haibin He , Jing Zhang , Maoyuan Ye , Juhua Liu , Bo Du , Dacheng Tao

Dense vector representations for sentences made significant progress in recent years as can be seen on sentence similarity tasks. Real-world phrase retrieval applications, on the other hand, still encounter challenges for effective use of…

Computation and Language · Computer Science 2024-05-14 Eyal Orbach , Lev Haikin , Nelly David , Avi Faizakof

Text spotting, a task involving the extraction of textual information from image or video sequences, faces challenges in cross-domain adaption, such as image-to-image and image-to-video generalization. In this paper, we introduce a new…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Yuliang Liu , Mingxin Huang , Hao Yan , Linger Deng , Weijia Wu , Hao Lu , Chunhua Shen , Lianwen Jin , Xiang Bai

Cross-modal retrieval has become popular in recent years, particularly with the rise of multimedia. Generally, the information from each modality exhibits distinct representations and semantic information, which makes feature tends to be in…

Information Retrieval · Computer Science 2023-08-29 Zichen Yuan , Qi Shen , Bingyi Zheng , Yuting Liu , Linying Jiang , Guibing Guo

This article aims to provide the information retrieval community with some reflections on recent advances in retrieval learning by analyzing the reproducibility of image-text retrieval models. Due to the increase of multimodal data over the…

Information Retrieval · Computer Science 2022-08-30 Jun Rao , Fei Wang , Liang Ding , Shuhan Qi , Yibing Zhan , Weifeng Liu , Dacheng Tao

Automatically describing video content with natural language is a fundamental challenge of multimedia. Recurrent Neural Networks (RNN), which models sequence dynamics, has attracted increasing attention on visual interpretation. However,…

Computer Vision and Pattern Recognition · Computer Science 2015-06-05 Yingwei Pan , Tao Mei , Ting Yao , Houqiang Li , Yong Rui

We address the problem of text-based activity retrieval in video. Given a sentence describing an activity, our task is to retrieve matching clips from an untrimmed video. To capture the inherent structures present in both text and video, we…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Huijuan Xu , Kun He , Bryan A. Plummer , Leonid Sigal , Stan Sclaroff , Kate Saenko

Evaluating text-to-image generative models remains a challenge, despite the remarkable progress being made in their overall performances. While existing metrics like CLIPScore work for coarse evaluations, they lack the sensitivity to…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Georgia Gabriela Sampaio , Ruixiang Zhang , Shuangfei Zhai , Jiatao Gu , Josh Susskind , Navdeep Jaitly , Yizhe Zhang

The combination of visual and textual representations has produced excellent results in tasks such as image captioning and visual question answering, but the inference capabilities of multimodal representations are largely untested. In the…

Computation and Language · Computer Science 2020-04-07 Oier Lopez de Lacalle , Ander Salaberria , Aitor Soroa , Gorka Azkune , Eneko Agirre