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Recent advances in deep-learning based methods for image matching have demonstrated their superiority over traditional algorithms, enabling correspondence estimation in challenging scenes with significant differences in viewing angles,…

计算机视觉与模式识别 · 计算机科学 2025-12-17 Rahul Deshmukh , Avinash Kak

Radar systems are mainly used for tracking aircraft, missiles, satellites, and watercraft. In many cases, information regarding the objects detected by the radar system is sent to, and used by, a peripheral consuming system, such as a…

密码学与安全 · 计算机科学 2021-06-15 Shai Cohen , Efrat Levy , Avi Shaked , Tair Cohen , Yuval Elovici , Asaf Shabtai

Most learning-based super-resolution (SR) methods aim to recover high-resolution (HR) image from a given low-resolution (LR) image via learning on LR-HR image pairs. The SR methods learned on synthetic data do not perform well in…

图像与视频处理 · 电气工程与系统科学 2020-01-09 Dong Gong , Wei Sun , Qinfeng Shi , Anton van den Hengel , Yanning Zhang

This paper addresses the problem of remote sensing image pan-sharpening from the perspective of generative adversarial learning. We propose a novel deep neural network based method named PSGAN. To the best of our knowledge, this is one of…

计算机视觉与模式识别 · 计算机科学 2020-12-22 Qingjie Liu , Huanyu Zhou , Qizhi Xu , Xiangyu Liu , Yunhong Wang

Purpose: Stereo matching methods that enable depth estimation are crucial for visualization enhancement applications in computer-assisted surgery (CAS). Learning-based stereo matching methods are promising to predict accurate results on…

计算机视觉与模式识别 · 计算机科学 2023-02-07 Zixin Yang , Richard Simon , Cristian A. Linte

Array synthetic aperture radar (Array-SAR), also known as tomographic SAR (TomoSAR), has demonstrated significant potential for high-quality 3D mapping, particularly in urban areas.While deep learning (DL) methods have recently shown…

图像与视频处理 · 电气工程与系统科学 2024-12-24 Yu Ren , Xu Zhan , Yunqiao Hu , Xiangdong Ma , Liang Liu , Mou Wang , Jun Shi , Shunjun Wei , Tianjiao Zeng , Xiaoling Zhang

This paper presents a radar odometry method that combines probabilistic trajectory estimation and deep learned features without needing groundtruth pose information. The feature network is trained unsupervised, using only the on-board radar…

机器人学 · 计算机科学 2021-07-02 Keenan Burnett , David J. Yoon , Angela P. Schoellig , Timothy D. Barfoot

The extension to millimeter-wave (mmWave) spectrum of communication frequency band makes it easy to implement a joint radar and communication system using single hardware. In this paper, we propose radar imaging based on the IEEE 802.11ad…

信息论 · 计算机科学 2022-06-28 Geonho Han , Junil Choi

The reconstructed images from the Synthetic Aperture Radar (SAR) data suffer from multiplicative noise as well as low contrast level. These two factors impact the quality of the SAR images significantly and prevent any attempt to extract…

图像与视频处理 · 电气工程与系统科学 2024-12-05 Shahrokh Hamidi

Active stereo systems are used in many robotic applications that require 3D information. These depth sensors, however, suffer from stereo artefacts and do not provide dense depth estimates.In this work, we present the first self-supervised…

计算机视觉与模式识别 · 计算机科学 2022-01-21 Frederik Warburg , Daniel Hernandez-Juarez , Juan Tarrio , Alexander Vakhitov , Ujwal Bonde , Pablo F. Alcantarilla

We integrate sparse radar data into a monocular depth estimation model and introduce a novel preprocessing method for reducing the sparseness and limited field of view provided by radar. We explore the intrinsic error of different radar…

图像与视频处理 · 电气工程与系统科学 2022-03-01 Chen-Chou Lo , Patrick Vandewalle

Synthetic Aperture Radar (SAR) images are widely used in remote sensing due to their all-weather, all-day imaging capabilities. However, SAR images are highly susceptible to noise, particularly speckle noise, caused by the coherent imaging…

信息论 · 计算机科学 2024-12-25 Xuran Hu , Mingzhe Zhu , Djordje Stanković , Zhenpeng Feng , Shouhan Mao , Ljubiša Stanković

In this paper, we study the optimization of the sensing accuracy of unmanned aerial vehicle (UAV)-based dual-baseline interferometric synthetic aperture radar (InSAR) systems. A swarm of three UAV-synthetic aperture radar (SAR) systems is…

信号处理 · 电气工程与系统科学 2024-11-05 Mohamed-Amine Lahmeri , Víctor Mustieles-Pérez , Martin Vossiek , Gerhard Krieger , Robert Schober

We propose a new technique to obtain super-resolution images with radio interferometer using sparse modeling. In standard radio interferometry, sampling of ($u$, $v$) is quite often incomplete and thus obtaining an image from observed…

天体物理仪器与方法 · 物理学 2014-07-10 Mareki Honma , Kazunori Akiyama , Makoto Uemura , Shiro Ikeda

Existing methods for single image super-resolution (SR) are typically evaluated with synthetic degradation models such as bicubic or Gaussian downsampling. In this paper, we investigate SR from the perspective of camera lenses, named as…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Chang Chen , Zhiwei Xiong , Xinmei Tian , Zheng-Jun Zha , Feng Wu

High-resolution imagery plays a critical role in improving the performance of visual recognition tasks such as classification, detection, and segmentation. In many domains, including remote sensing and surveillance, low-resolution images…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Ch Muhammad Awais , Marco Reggiannini , Davide Moroni , Oktay Karakus

Sparse sampling schemes have the potential to dramatically reduce image acquisition time while simultaneously reducing radiation damage to samples. However, for a sparse sampling scheme to be useful it is important that we are able to…

计算机视觉与模式识别 · 计算机科学 2017-03-16 G. M. Dilshan P. Godaliyadda , Dong Hye Ye , Michael D. Uchic , Michael A. Groeber , Gregery T. Buzzard , Charles A. Bouman

In real-world single image super-resolution (SISR) task, the low-resolution image suffers more complicated degradations, not only downsampled by unknown kernels. However, existing SISR methods are generally studied with the synthetic…

图像与视频处理 · 电气工程与系统科学 2020-09-15 Guanghao Yin , Shouqian Sun , Chao Li , Xin Min

We introduce a novel framework for training deep stereo networks effortlessly and without any ground-truth. By leveraging state-of-the-art neural rendering solutions, we generate stereo training data from image sequences collected with a…

计算机视觉与模式识别 · 计算机科学 2023-03-31 Fabio Tosi , Alessio Tonioni , Daniele De Gregorio , Matteo Poggi

Depth estimation is a cornerstone of a vast number of applications requiring 3D assessment of the environment, such as robotics, augmented reality, and autonomous driving to name a few. One prominent technique for depth estimation is stereo…

计算机视觉与模式识别 · 计算机科学 2021-12-16 Amit Bracha , Noam Rotstein , David Bensaïd , Ron Slossberg , Ron Kimmel