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Multi-modal Contrastive Representation learning aims to encode different modalities into a semantically aligned shared space. This paradigm shows remarkable generalization ability on numerous downstream tasks across various modalities.…

机器学习 · 计算机科学 2023-10-20 Zehan Wang , Yang Zhao , Xize Cheng , Haifeng Huang , Jiageng Liu , Li Tang , Linjun Li , Yongqi Wang , Aoxiong Yin , Ziang Zhang , Zhou Zhao

Aiming to obtain a high-resolution image, pansharpening involves the fusion of a multi-spectral image (MS) and a panchromatic image (PAN), the low-level vision task remaining significant and challenging in contemporary research. Most…

计算机视觉与模式识别 · 计算机科学 2025-08-18 Xuanyu Liu , Bonan An

Multispectral (MS) and panchromatic (PAN) images describe the same land surface, so these images not only have their own advantages, but also have a lot of similar information. In order to separate these similar information and their…

计算机视觉与模式识别 · 计算机科学 2026-01-14 Wenping Ma , Boyou Xue , Mengru Ma , Chuang Chen , Hekai Zhang , Hao Zhu

Multi-modal Magnetic Resonance Imaging (MRI) offers complementary diagnostic information, but some modalities are limited by the long scanning time. To accelerate the whole acquisition process, MRI reconstruction of one modality from highly…

图像与视频处理 · 电气工程与系统科学 2025-01-09 Hao Zhang , Qi Wang , Jun Shi , Shihui Ying , Zhijie Wen

Pansharpening aims to generate high-resolution multispectral (HRMS) images by fusing low-resolution multispectral (LRMS) images with high-resolution panchromatic (PAN) images. However, the current mainstream frequency-based pansharpening…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Zijian Zhou , Jianing Zhang , Kai Sun , Xiangyu Zhao , Chunxia Zhang , Xiangyong Cao

Image matching, which aims to identify corresponding pixel locations between images, is crucial in a wide range of scientific disciplines, aiding in image registration, fusion, and analysis. In recent years, deep learning-based image…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Xingyi He , Hao Yu , Sida Peng , Dongli Tan , Zehong Shen , Hujun Bao , Xiaowei Zhou

Cross-modal alignment aims to map heterogeneous modalities into a shared latent space, as exemplified by models like CLIP, which benefit from large-scale image-text pretraining for strong recognition capabilities. However, when operating in…

计算机视觉与模式识别 · 计算机科学 2025-10-27 Jiaxiang Liu , Yuan Wang , Jiawei Du , Joey Tianyi Zhou , Mingkun Xu , Zuozhu Liu

Pan-sharpening involves reconstructing missing high-frequency information in multi-spectral images with low spatial resolution, using a higher-resolution panchromatic image as guidance. Although the inborn connection with frequency domain,…

计算机视觉与模式识别 · 计算机科学 2024-01-05 Xuanhua He , Keyu Yan , Rui Li , Chengjun Xie , Jie Zhang , Man Zhou

Deep learning methods for pansharpening have advanced rapidly, yet models pretrained on data from a specific sensor often generalize poorly to data from other sensors. Existing methods to tackle such cross-sensor degradation include…

计算机视觉与模式识别 · 计算机科学 2025-11-21 Tianyu Xin , Jin-Liang Xiao , Zeyu Xia , Shan Yin , Liang-Jian Deng

Learning robust representations across extremely heterogeneous modalities remains a fundamental challenge in multi-modal vision. As a critical and profound instantiation of this challenge, high-resolution (HR) joint optical and synthetic…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Bowen Peng , Yongxiang Liu , Jie Zhou , Xiaodong Chen , Tianpeng Liu , Xiaogang Yu , Li Liu

Purpose: Different Magnetic resonance imaging (MRI) modalities of the same anatomical structure are required to present different pathological information from the physical level for diagnostic needs. However, it is often difficult to…

图像与视频处理 · 电气工程与系统科学 2021-09-15 Yuchen Fei , Bo Zhan , Mei Hong , Xi Wu , Jiliu Zhou , Yan Wang

We address the problem of cross-modal information retrieval in the domain of remote sensing. In particular, we are interested in two application scenarios: i) cross-modal retrieval between panchromatic (PAN) and multi-spectral imagery, and…

图像与视频处理 · 电气工程与系统科学 2021-04-22 Ushasi Chaudhuri , Biplab Banerjee , Avik Bhattacharya , Mihai Datcu

Radio maps reflect the spatial distribution of signal strength and are essential for applications like smart cities, IoT, and wireless network planning. However, reconstructing accurate radio maps from sparse measurements remains…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Chuyun Deng , Na Liu , Wei Xie , Lianming Xu , Li Wang

With the rapid growth of multimedia data, such as image and text, it is a highly challenging problem to effectively correlate and retrieve the data of different media types. Naturally, when correlating an image with textual description,…

多媒体 · 计算机科学 2018-04-26 Jinwei Qi , Yuxin Peng , Yuxin Yuan

Fine-grained image-text alignment is a pivotal challenge in multimodal learning, underpinning key applications such as visual question answering, image captioning, and vision-language navigation. Unlike global alignment, fine-grained…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Jiale Liu , Haoming Zhou , Yishu Liu , Bingzhi Chen , Yuncheng Jiang

Multi-modality (or multi-channel) imaging is becoming increasingly important and more widely available, e.g. hyperspectral imaging in remote sensing, spectral CT in material sciences as well as multi-contrast MRI and PET-MR in medicine.…

图像与视频处理 · 电气工程与系统科学 2020-12-25 Leon Bungert , Matthias J. Ehrhardt

In this work, we present a novel non-rigid shape matching framework based on multi-resolution functional maps with spectral attention. Existing functional map learning methods all rely on the critical choice of the spectral resolution…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Lei Li , Nicolas Donati , Maks Ovsjanikov

Remote sensing image fusion (also known as pan-sharpening) aims at generating high resolution multi-spectral (MS) image from inputs of a high spatial resolution single band panchromatic (PAN) image and a low spatial resolution…

计算机视觉与模式识别 · 计算机科学 2018-01-29 Xiangyu Liu , Qingjie Liu , Yunhong Wang

Medical image synthesis generates additional imaging modalities that are costly, invasive or harmful to acquire, which helps to facilitate the clinical workflow. When training pairs are substantially misaligned (e.g., lung MRI-CT pairs with…

图像与视频处理 · 电气工程与系统科学 2024-08-20 Bowen Xin , Tony Young , Claire E Wainwright , Tamara Blake , Leo Lebrat , Thomas Gaass , Thomas Benkert , Alto Stemmer , David Coman , Jason Dowling

In recent years, image blending has gained popularity for its ability to create visually stunning content. However, the current image blending algorithms mainly have the following problems: manually creating image blending masks requires a…

计算机视觉与模式识别 · 计算机科学 2023-11-30 Haochen Xue , Mingyu Jin , Chong Zhang , Yuxuan Huang , Qian Weng , Xiaobo Jin