English
Related papers

Related papers: Unified Coarse-to-Fine Alignment for Video-Text Re…

200 papers

This work explores text-to-image retrieval for queries that specify or describe a semantic category. While vision-and-language models (VLMs) like CLIP offer a straightforward open-vocabulary solution, they map text and images to distant…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Faizan Farooq Khan , Vladan Stojnić , Zakaria Laskar , Mohamed Elhoseiny , Giorgos Tolias

In this paper, we propose UniLIP, a unified framework that adapts CLIP for multimodal understanding, generation and editing. Although CLIP excels at understanding, it lacks reconstruction abilities required to be a unified visual encoder.…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Hao Tang , Chenwei Xie , Xiaoyi Bao , Tingyu Weng , Pandeng Li , Yun Zheng , Liwei Wang

Radiology report generation aims to automatically generate detailed and coherent descriptive reports alongside radiology images. Previous work mainly focused on refining fine-grained image features or leveraging external knowledge. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-03 Honglong Yang , Hui Tang , Xiaomeng Li

Composed Video Retrieval (CoVR) retrieves a target video given a query video and a modification text describing the intended change. Existing CoVR benchmarks emphasize appearance shifts or coarse event changes and therefore do not test the…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Animesh Gupta , Jay Parmar , Ishan Rajendrakumar Dave , Mubarak Shah

Multimodal representation learning, with contrastive learning, plays an important role in the artificial intelligence domain. As an important subfield, video-language representation learning focuses on learning representations using global…

Computer Vision and Pattern Recognition · Computer Science 2025-01-01 Peng Jin , Hao Li , Li Yuan , Shuicheng Yan , Jie Chen

Vision-Language Pre-training (VLP) has achieved impressive performance on various cross-modal downstream tasks. However, most existing methods can only learn from aligned image-caption data and rely heavily on expensive regional features,…

Computer Vision and Pattern Recognition · Computer Science 2022-03-18 Wei Li , Can Gao , Guocheng Niu , Xinyan Xiao , Hao Liu , Jiachen Liu , Hua Wu , Haifeng Wang

We study the problem of extracting correspondences between a pair of point clouds for registration. For correspondence retrieval, existing works benefit from matching sparse keypoints detected from dense points but usually struggle to…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 Hao Yu , Fu Li , Mahdi Saleh , Benjamin Busam , Slobodan Ilic

Video action recognition is a fundamental task in computer vision, but state-of-the-art models are often computationally expensive and rely on extensive video pre-training. In parallel, large-scale vision-language models like Contrastive…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Binhua Huang , Ni Wang , Arjun Pakrashi , Soumyabrata Dev

Contrastive Language-Image Pre-training (CLIP) models have shown promising performance on zero-shot visual recognition tasks by learning visual representations under natural language supervision. Recent studies attempt the use of CLIP to…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Hanqiu Deng , Zhaoxiang Zhang , Jinan Bao , Xingyu Li

Numerous scene text detection methods have been proposed in recent years. Most of them declare they have achieved state-of-the-art performances. However, the performance comparison is unfair, due to lots of inconsistent settings (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Pengwen Dai , Xiaochun Cao

This paper presents LiteEval, a simple yet effective coarse-to-fine framework for resource efficient video recognition, suitable for both online and offline scenarios. Exploiting decent yet computationally efficient features derived at a…

Computer Vision and Pattern Recognition · Computer Science 2019-12-04 Zuxuan Wu , Caiming Xiong , Yu-Gang Jiang , Larry S. Davis

We address the task of aligning CAD models to a video sequence of a complex scene containing multiple objects. Our method can process arbitrary videos and fully automatically recover the 9 DoF pose for each object appearing in it, thus…

Computer Vision and Pattern Recognition · Computer Science 2022-01-26 Kevis-Kokitsi Maninis , Stefan Popov , Matthias Nießner , Vittorio Ferrari

Contrastive Language-Image Pre-training (CLIP) has demonstrated strong generalization across a wide range of visual tasks by leveraging large-scale English-image pairs. However, its extension to low-resource languages remains limited due to…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Dahyun Chung , Donghyun Shin , Yujin Sung , Seunggi Moon , Jinwoo Jeon , Byung-Jun Lee

Self-supervised visual pre-training methods face an inherent tension: contrastive learning (CL) captures global semantics but loses fine-grained detail, while masked image modeling (MIM) preserves local textures but suffers from "attention…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Wenzhao Xiang , Yue Wu , Hongyang Yu , Feng Gao , Fan Yang , Xilin Chen

Video instance segmentation is a complex task in which we need to detect, segment, and track each object for any given video. Previous approaches only utilize single-frame features for the detection, segmentation, and tracking of objects…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Yang Fu , Linjie Yang , Ding Liu , Thomas S. Huang , Humphrey Shi

Any entity in the visual world can be hierarchically grouped based on shared characteristics and mapped to fine-grained sub-categories. While Multi-modal Large Language Models (MLLMs) achieve strong performance on coarse-grained visual…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Hulingxiao He , Zijun Geng , Yuxin Peng

Text-video retrieval aims to find the most relevant cross-modal samples for a given query. Recent methods focus on modeling the whole spatial-temporal relations. However, since video clips contain more diverse content than captions, the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Han Fang , Xianghao Zang , Chao Ban , Zerun Feng , Lanxiang Zhou , Zhongjiang He , Yongxiang Li , Hao Sun

Text-based person search aims to retrieve the matched pedestrians from a large-scale image database according to the text description. The core difficulty of this task is how to extract effective details from pedestrian images and texts,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Wei Shen , Ming Fang , Yuxia Wang , Jiafeng Xiao , Diping Li , Huangqun Chen , Ling Xu , Weifeng Zhang

In the field of Image-Text Retrieval (ITR), recent advancements have leveraged large-scale Vision-Language Pretraining (VLP) for Fine-Grained (FG) instance-level retrieval, achieving high accuracy at the cost of increased computational…

Information Retrieval · Computer Science 2026-01-19 Mikel Williams-Lekuona , Georgina Cosma

In text-video retrieval, the objective is to learn a cross-modal similarity function between a text and a video that ranks relevant text-video pairs higher than irrelevant pairs. However, videos inherently express a much wider gamut of…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Satya Krishna Gorti , Noel Vouitsis , Junwei Ma , Keyvan Golestan , Maksims Volkovs , Animesh Garg , Guangwei Yu