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Multispectral images (e.g. visible and infrared) may be particularly useful when detecting objects with the same model in different environments (e.g. day/night outdoor scenes). To effectively use the different spectra, the main technical…

Computer Vision and Pattern Recognition · Computer Science 2020-09-29 Heng Zhang , Elisa Fromont , Sébastien Lefevre , Bruno Avignon

Although image restoration has advanced significantly, most existing methods target only a single type of degradation. In real-world scenarios, images often contain multiple degradations simultaneously, such as rain, noise, and haze,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Hu Gao , Xiaoning Lei , Xichen Xu , Depeng Dang , Lizhuang Ma

Multi-focus image fusion is a technique for obtaining an all-in-focus image in which all objects are in focus to extend the limited depth of field (DoF) of an imaging system. Different from traditional RGB-based methods, this paper presents…

Computer Vision and Pattern Recognition · Computer Science 2018-06-06 Hang Liu , Hengyu Li , Jun Luo , Shaorong Xie , Yu Sun

In recent years, approaches based on radar object detection have made significant progress in autonomous driving systems due to their robustness under adverse weather compared to LiDAR. However, the sparsity of radar point clouds poses…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Xiangyuan Peng , Miao Tang , Huawei Sun , Kay Bierzynski , Lorenzo Servadei , Robert Wille

LiDAR point clouds have become the most common data source in autonomous driving. However, due to the sparsity of point clouds, accurate and reliable detection cannot be achieved in specific scenarios. Because of their complementarity with…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Leichao Cui , Xiuxian Li , Min Meng , Xiaoyu Mo

2D RGB images and 3D LIDAR point clouds provide complementary knowledge for the perception system of autonomous vehicles. Several 2D and 3D fusion methods have been explored for the LIDAR semantic segmentation task, but they suffer from…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Jun Cen , Shiwei Zhang , Yixuan Pei , Kun Li , Hang Zheng , Maochun Luo , Yingya Zhang , Qifeng Chen

Misalignments between multi-modality images pose challenges in image fusion, manifesting as structural distortions and edge ghosts. Existing efforts commonly resort to registering first and fusing later, typically employing two cascaded…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Di Wang , Jinyuan Liu , Long Ma , Risheng Liu , Xin Fan

Composed image retrieval (CIR) aims to retrieve the target image based on a multimodal query, i.e., a reference image paired with corresponding modification text. Recent CIR studies leverage vision-language pre-trained (VLP) methods as the…

Multimedia · Computer Science 2024-04-25 Haokun Wen , Xuemeng Song , Xiaolin Chen , Yinwei Wei , Liqiang Nie , Tat-Seng Chua

Deconvolution, imaging and calibration of data from radio interferometers is a challenging computational (inverse) problem. The upcoming generation of radio telescopes poses significant challenges to existing, and well proven data reduction…

Instrumentation and Methods for Astrophysics · Physics 2025-06-18 Hendrik Müller , Sanjay Bhatnagar

Monitoring wildfires has become increasingly critical due to the sharp rise in wildfire incidents in recent years. Optical satellites like Sentinel-2 and Landsat are extensively utilized for mapping burned areas. However, the effectiveness…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Yu Zhao , Yifang Ban

A realistic view of the vehicle's surroundings is generally offered by camera sensors, which is crucial for environmental perception. Affordable radar sensors, on the other hand, are becoming invaluable due to their robustness in variable…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Kavin Chandrasekaran , Sorin Grigorescu , Gijs Dubbelman , Pavol Jancura

3D convective cloud images form via two intertwined radiative diffusion processes. Sunlight starts in the anti-solar direction and ends in toward-sensor ones, but repeated forward-peaked scattering smears the well-collimated beams…

Atmospheric and Oceanic Physics · Physics 2021-07-28 Anthony B. Davis , Linda Forster , David J. Diner , Bernhard Mayer

Accurate land cover classification from satellite imagery is crucial in environmental monitoring and sustainable resource management. However, it remains challenging due to the complexity of natural landscapes, the visual similarity between…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Debopom Sutradhar , Arefin Ittesafun Abian , Mohaimenul Azam Khan Raiaan , Reem E. Mohamed , Sheikh Izzal Azid , Sami Azam

Due to the factors like processing power limitations and channel capabilities images are often down sampled and transmitted at low bit rates resulting in a low resolution compressed image. High resolution images can be reconstructed from…

Computer Vision and Pattern Recognition · Computer Science 2011-03-01 Liyakathunisa , C. N . Ravi Kumar

Current LiDAR-only 3D detection methods inevitably suffer from the sparsity of point clouds. Many multi-modal methods are proposed to alleviate this issue, while different representations of images and point clouds make it difficult to fuse…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Xiaopei Wu , Liang Peng , Honghui Yang , Liang Xie , Chenxi Huang , Chengqi Deng , Haifeng Liu , Deng Cai

The deep-learning-based image restoration and fusion methods have achieved remarkable results. However, the existing restoration and fusion methods paid little research attention to the robustness problem caused by dynamic degradation. In…

Computer Vision and Pattern Recognition · Computer Science 2021-05-03 Aiqing Fang , Xinbo Zhao , Jiaqi Yang , Yanning Zhang

A division-of-focal-plane (DoFP) polarimeter enables us to acquire images with multiple polarization orientations in one shot and thus it is valuable for many applications using polarimetric information. The image processing pipeline for a…

Image and Video Processing · Electrical Eng. & Systems 2025-09-15 Muhamad Daniel Ariff Bin Abdul Rahman , Yusuke Monno , Masayuki Tanaka , Masatoshi Okutomi

Applications based on synergistic integration of optical imagery and LiDAR data are receiving a growing interest from the remote sensing community. However, a misaligned integration between these datasets may fail to fully profit the…

Image and Video Processing · Electrical Eng. & Systems 2020-06-01 Thanh Huy Nguyen , Sylvie Daniel , Didier Gueriot , Christophe Sintes , Jean-Marc Le Caillec

Multi-modal image fusion (MMIF) integrates valuable information from different modality images into a fused one. However, the fusion of multiple visible images with different focal regions and infrared images is a unprecedented challenge in…

Computer Vision and Pattern Recognition · Computer Science 2024-02-01 Xilai Li , Xiaosong Li , Tao Ye , Xiaoqi Cheng , Wuyang Liu , Haishu Tan

Camera-captured document images often suffer from geometric distortions caused by paper deformation, perspective distortion, and lens aberrations, significantly reducing OCR accuracy. This study develops an efficient automated method for…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Valery Istomin , Oleg Pereziabov , Ilya Afanasyev