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Deep learning-based image restoration methods generally struggle with faithfully preserving the structures of the original image. In this work, we propose a novel Residual-Conditioned Optimal Transport (RCOT) approach, which models image…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Xiaole Tang , Xin Hu , Xiang Gu , Jian Sun

Most of the research in content-based image retrieval (CBIR) focus on developing robust feature representations that can effectively retrieve instances from a database of images that are visually similar to a query. However, the retrieved…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Aishwarya Venkataramanan , Martin Laviale , Cédric Pradalier

Image classification, which classifies images by pre-defined categories, has been the dominant approach to visual representation learning over the last decade. Visual learning through image-text alignment, however, has emerged to show…

Computer Vision and Pattern Recognition · Computer Science 2022-04-25 Yixuan Wei , Yue Cao , Zheng Zhang , Zhuliang Yao , Zhenda Xie , Han Hu , Baining Guo

The practical value of existing supervised sketch-based image retrieval (SBIR) algorithms is largely limited by the requirement for intensive data collection and labeling. In this paper, we present the first attempt at unsupervised SBIR to…

Computer Vision and Pattern Recognition · Computer Science 2022-11-21 Conghui Hu , Yongxin Yang , Yunpeng Li , Timothy M. Hospedales , Yi-Zhe Song

We apply the OSCAR (octagonal selection and clustering algorithms for regression) in recovering group-sparse matrices (two-dimensional---2D---arrays) from compressive measurements. We propose a 2D version of OSCAR (2OSCAR) consisting of the…

Machine Learning · Computer Science 2014-02-21 Xiangrong Zeng , Mário A. T. Figueiredo

For safe and efficient planning and control in autonomous driving, we need a driving policy which can achieve desirable driving quality in long-term horizon with guaranteed safety and feasibility. Optimization-based approaches, such as…

Artificial Intelligence · Computer Science 2017-07-11 Liting Sun , Cheng Peng , Wei Zhan , Masayoshi Tomizuka

Given a query consisting of a reference image and a relative caption, Composed Image Retrieval (CIR) aims to retrieve target images visually similar to the reference one while incorporating the changes specified in the relative caption. The…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Lorenzo Agnolucci , Alberto Baldrati , Alberto Del Bimbo , Marco Bertini

Despite the central role of action in embodied intelligence, learning transferable action representations from visual transitions remains a fundamental challenge, particularly when world models must generalize across embodiments under…

Robotics · Computer Science 2026-05-19 Hongjia Liu , Fan Feng , Minghao Fu , Xinyue Wang , Haofei Lu , Biwei Huang

Image retrieval with hybrid-modality queries, also known as composing text and image for image retrieval (CTI-IR), is a retrieval task where the search intention is expressed in a more complex query format, involving both vision and text…

Computer Vision and Pattern Recognition · Computer Science 2022-04-26 Yida Zhao , Yuqing Song , Qin Jin

Composed Image Retrieval (CIR) is a challenging image retrieval paradigm that enables to retrieve target images based on multimodal queries consisting of reference images and modification texts. Although substantial progress has been made…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Zhiwei Chen , Yupeng Hu , Zhiheng Fu , Zixu Li , Jiale Huang , Qinlei Huang , Yinwei Wei

The aim of a Content-Based Image Retrieval (CBIR) system, also known as Query by Image Content (QBIC), is to help users to retrieve relevant images based on their contents. CBIR technologies provide a method to find images in large…

Computer Vision and Pattern Recognition · Computer Science 2020-07-10 Aman Chadha , Sushmit Mallik , Ravdeep Johar

The rise of multi-modal search requests from users has highlighted the importance of multi-modal retrieval (i.e. image-to-text or text-to-image retrieval), yet the more complex task of image-to-multi-modal retrieval, crucial for many…

Information Retrieval · Computer Science 2024-06-11 Zida Cheng , Chen Ju , Shuai Xiao , Xu Chen , Zhonghua Zhai , Xiaoyi Zeng , Weilin Huang , Junchi Yan

There is a growing need to deploy machine learning for different tasks on a wide array of new hardware platforms. Such deployment scenarios require tackling multiple challenges, including identifying a model architecture that can achieve a…

Machine Learning · Computer Science 2022-08-26 Elias Jääsaari , Michelle Ma , Ameet Talwalkar , Tianqi Chen

Large Language Models (LLMs) have demonstrated impressive ability in generation and reasoning tasks but struggle with handling up-to-date knowledge, leading to inaccuracies or hallucinations. Retrieval-Augmented Generation (RAG) mitigates…

Databases · Computer Science 2026-03-13 Ziting Wang , Haitao Yuan , Wei Dong , Gao Cong , Feifei Li

With the advancement of network technologies, intelligent tutoring systems (ITS) have emerged to deliver increasingly precise and tailored personalized learning services. Cognitive diagnosis (CD) has emerged as a core research task in ITS,…

Information Retrieval · Computer Science 2026-01-09 Ziwen Wang , Shangshang Yang , Xiaoshan Yu , Haiping Ma , Xingyi Zhang

Finding an unsupervised decomposition of an image into individual objects is a key step to leverage compositionality and to perform symbolic reasoning. Traditionally, this problem is solved using amortized inference, which does not…

Computer Vision and Pattern Recognition · Computer Science 2022-10-27 Pradyumna Reddy , Paul Guerrero , Niloy J. Mitra

Identifying multiple novel classes in an image, known as open-vocabulary multi-label recognition, is a challenging task in computer vision. Recent studies explore the transfer of powerful vision-language models such as CLIP. However, these…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Hao Tan , Zichang Tan , Jun Li , Ajian Liu , Jun Wan , Zhen Lei

This paper presents the development and evaluation of an optimization-based autonomous trajectory planning algorithm for the asteroid reconnaissance phase of a deep-space exploration mission. The reconnaissance phase is a low-altitude flyby…

Sparsity and low-rank models have been popular for reconstructing images and videos from limited or corrupted measurements. Dictionary or transform learning methods are useful in applications such as denoising, inpainting, and medical image…

Machine Learning · Statistics 2019-07-23 Brian E. Moore , Saiprasad Ravishankar , Raj Rao Nadakuditi , Jeffrey A. Fessler

All-in-one image restoration aims to adaptively handle multiple restoration tasks with a single trained model. Although existing methods achieve promising results by introducing prompt information or leveraging large models, the added…

Computer Vision and Pattern Recognition · Computer Science 2026-01-16 Hu Gao , Xiaoning Lei , Xichen Xu , Xingjian Wang , Lizhuang Ma