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Speckle suppression in synthetic aperture radar (SAR) images is a key processing step which continues to be a research topic. A wide variety of methods, using either spatially-based approaches or transform-based strategies, have been…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Alejandro Mestre-Quereda , Juan M. Lopez-Sanchez

Recent image degradation estimation methods have enabled single-image super-resolution (SR) approaches to better upsample real-world images. Among these methods, explicit kernel estimation approaches have demonstrated unprecedented…

Computer Vision and Pattern Recognition · Computer Science 2023-11-01 Royson Lee , Rui Li , Stylianos I. Venieris , Timothy Hospedales , Ferenc Huszár , Nicholas D. Lane

We consider the problem in Synthetic Aperture RADAR (SAR) of identifying and classifying objects located on the ground by means of Convolutional Neural Networks (CNNs). Specifically, we adopt a single scattering approximation to classify…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Romina Gaburro , Patrick Healy , Shraddha Naidu , Clifford Nolan

Cascaded Regression (CR) based methods have been proposed to solve facial landmarks detection problem, which learn a series of descent directions by multiple cascaded regressors separately trained in coarse and fine stages. They outperform…

Computer Vision and Pattern Recognition · Computer Science 2018-03-20 Tao Hu , Honggang Qi , Jizheng Xu , Qingming Huang

Synthetic Aperture Radar (SAR) is a critical imaging modality due to its all-weather operational capability. Although recent advances in self-supervised learning and masked image modeling (MIM) have enabled SAR foundation models, these…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Qiwei Ma , Xukun Lu , Wang Liu , Puhong Duan , Xudong Kang , Shutao Li

Image restoration under severe weather is a challenging task. Most of the past works focused on removing rain and haze phenomena in images. However, snow is also an extremely common atmospheric phenomenon that will seriously affect the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Bodong Cheng , Juncheng Li , Ying Chen , Shuyi Zhang , Tieyong Zeng

The Greenland ice sheet is melting at an accelerated rate due to processes that are not fully understood and hard to measure. The distribution of surface meltwater can help understand these processes and is observable through remote…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Björn Lütjens , Patrick Alexander , Raf Antwerpen , Til Widmann , Guido Cervone , Marco Tedesco

Fusing satellite imagery acquired with different sensors has been a long-standing challenge of Earth observation, particularly across different modalities such as optical and Synthetic Aperture Radar (SAR) images. Here, we explore the joint…

Computer Vision and Pattern Recognition · Computer Science 2022-11-30 Manu Tom , Yuchang Jiang , Emmanuel Baltsavias , Konrad Schindler

Images captured in snowy days suffer from noticeable degradation of scene visibility, which degenerates the performance of current vision-based intelligent systems. Removing snow from images thus is an important topic in computer vision. In…

Computer Vision and Pattern Recognition · Computer Science 2021-09-15 Kaihao Zhang , Rongqing Li , Yanjiang Yu , Wenhan Luo , Changsheng Li , Hongdong Li

Lidar has become a cornerstone sensing modality for 3D vision, especially for large outdoor scenarios and autonomous driving. Conventional lidar sensors are capable of providing centimeter-accurate distance information by emitting laser…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Dominik Scheuble , Chenyang Lei , Seung-Hwan Baek , Mario Bijelic , Felix Heide

Deep learning (DL) has proven to be a suitable approach for despeckling synthetic aperture radar (SAR) images. So far, most DL models are trained to reduce speckle that follows a particular distribution, either using simulated noise or a…

Image and Video Processing · Electrical Eng. & Systems 2021-03-15 Adugna G. Mullissa , Diego Marcos , Devis Tuia , Martin Herold , Johannes Reiche

2D forward-looking sonar is a crucial sensor for underwater robotic perception. A well-known problem in this field is estimating missing information in the elevation direction during sonar imaging. There are demands to estimate 3D…

Robotics · Computer Science 2023-08-02 Yusheng Wang , Yonghoon Ji , Chujie Wu , Hiroshi Tsuchiya , Hajime Asama , Atsushi Yamashita

Ground deformation measured from Interferometric Synthetic Aperture Radar (InSAR) data is considered a sign of volcanic unrest, statistically linked to a volcanic eruption. Recent studies have shown the potential of using Sentinel-1 InSAR…

Computer Vision and Pattern Recognition · Computer Science 2022-02-09 Nikolaos Ioannis Bountos , Ioannis Papoutsis , Dimitrios Michail , Nantheera Anantrasirichai

Accurate 3D object detection is critical for autonomous driving, necessitating reliable, cost-effective sensors capable of operating in adverse weather conditions. Camera and millimeter-wave radar fusion has emerged as a promising solution;…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Bingyi Liu , Chuanhui Zhu , Hongfei Xue , Jian Teng , Jipeng Liu , Enshu Wang , Penglin Dai , Pu Wang

Land Cover (LC) mapping using satellite imagery is critical for environmental monitoring and management. Deep Learning (DL), particularly Convolutional Neural Networks (CNNs) and Vision Transformers (ViTs), have revolutionized this field by…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Luigi Russo , Antonietta Sorriso , Silvia Liberata Ullo , Paolo Gamba

In deep learning era, pretrained models play an important role in medical image analysis, in which ImageNet pretraining has been widely adopted as the best way. However, it is undeniable that there exists an obvious domain gap between…

Computer Vision and Pattern Recognition · Computer Science 2020-07-23 Hong-Yu Zhou , Shuang Yu , Cheng Bian , Yifan Hu , Kai Ma , Yefeng Zheng

Accurate forest canopy height estimation is essential for evaluating aboveground biomass and carbon stock dynamics, supporting ecosystem monitoring services like timber provisioning, climate change mitigation, and biodiversity conservation.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-25 Jose B. Castro , Cheryl Rogers , Camile Sothe , Dominic Cyr , Alemu Gonsamo

The observation of the advancing and retreating pattern of polar sea ice cover stands as a vital indicator of global warming. This research aims to develop a robust, effective, and scalable system for classifying polar sea ice as…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Jurdana Masuma Iqrah , Wei Wang , Hongjie Xie , Sushil Prasad

Object detection in satellite-borne Synthetic Aperture Radar (SAR) imagery holds immense potential in tasks such as urban monitoring and disaster response. However, the inherent complexities of SAR data and the scarcity of annotations…

Computer Vision and Pattern Recognition · Computer Science 2025-04-21 Yasin Almalioglu , Andrzej Kucik , Geoffrey French , Dafni Antotsiou , Alexander Adam , Cedric Archambeau

We present a novel approach for saliency prediction in images, leveraging parallel decoding in transformers to learn saliency solely from fixation maps. Models typically rely on continuous saliency maps, to overcome the difficulty of…

Computer Vision and Pattern Recognition · Computer Science 2023-11-27 Yasser Abdelaziz Dahou Djilali , Kevin McGuiness , Noel O'Connor