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Deep convolutional neural networks (CNNs) have recently achieved great success for single image super-resolution (SISR) task due to their powerful feature representation capabilities. The most recent deep learning based SISR methods focus…

Image and Video Processing · Electrical Eng. & Systems 2020-09-11 Rao Muhammad Umer , Gian Luca Foresti , Christian Micheloni

Despite strong empirical performance for image classification, deep neural networks are often regarded as ``black boxes'' and they are difficult to interpret. On the other hand, sparse convolutional models, which assume that a signal can be…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Xili Dai , Mingyang Li , Pengyuan Zhai , Shengbang Tong , Xingjian Gao , Shao-Lun Huang , Zhihui Zhu , Chong You , Yi Ma

Gaussian random matrix (GRM) has been widely used to generate linear measurements in compressed sensing (CS) of natural images. However, there actually exist two disadvantages with GRM in practice. One is that GRM has large memory…

Computer Vision and Pattern Recognition · Computer Science 2018-06-20 Wenxue Cui , Feng Jiang , Xinwei Gao , Wen Tao , Debin Zhao

(This paper was written in November 2011 and never published. It is posted on arXiv.org in its original form in June 2016). Many recent object recognition systems have proposed using a two phase training procedure to learn sparse…

Computer Vision and Pattern Recognition · Computer Science 2016-06-07 Kevin Jarrett , Koray Kvukcuoglu , Karol Gregor , Yann LeCun

Recently, deep learning techniques have been extensively studied for pansharpening, which aims to generate a high resolution multispectral (HRMS) image by fusing a low resolution multispectral (LRMS) image with a high resolution…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Xiangyong Cao , Yang Chen , Wenfei Cao

Over the past decade, Interferometric Synthetic Aperture Radar (InSAR) has become a successful remote sensing technique. However, during the acquisition step, microwave reflections received at satellite are usually disturbed by strong…

Image and Video Processing · Electrical Eng. & Systems 2020-05-28 Xinyao Sun , Aaron Zimmer , Subhayan Mukherjee , Navaneeth Kamballur Kottayil , Parwant Ghuman , Irene Cheng

Recent work in Deep Learning has re-imagined the representation of data as functions mapping from a coordinate space to an underlying continuous signal. When such functions are approximated by neural networks this introduces a compelling…

Machine Learning · Statistics 2022-08-09 Jonathan Richard Schwarz , Yee Whye Teh

Single image super-resolution (SR) via deep learning has recently gained significant attention in the literature. Convolutional neural networks (CNNs) are typically learned to represent the mapping between low-resolution (LR) and…

Computer Vision and Pattern Recognition · Computer Science 2018-02-09 Hojjat S. Mousavi , Tiantong Guo , Vishal Monga

Dictionary learning and sparse representation (DLSR) is a recent and successful mathematical model for data representation that achieves state-of-the-art performance in various fields such as pattern recognition, machine learning, computer…

Computer Vision and Pattern Recognition · Computer Science 2015-02-23 Mehrdad J. Gangeh , Ahmed K. Farahat , Ali Ghodsi , Mohamed S. Kamel

Three-dimensional synthetic aperture radar (3D SAR) is an advanced active microwave imaging technology widely utilized in remote sensing area. To achieve high-resolution 3D imaging,3D SAR requires observations from multiple aspects and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Da Li , Guoqiang Zhao , Chen Yao , Kaiqiang Zhu , Houjun Sun , Jiacheng Bao , Maokun Li

Classifying buried and obscured targets of interest from other natural and manmade clutter objects in the scene is an important problem for the U.S. Army. Targets of interest are often represented by signals captured using low-frequency…

Image and Video Processing · Electrical Eng. & Systems 2018-02-23 Tiep Vu , Lam Nguyen , Tiantong Guo , Vishal Monga

Statistical shape modeling is an important tool to characterize variation in anatomical morphology. Typical shapes of interest are measured using 3D imaging and a subsequent pipeline of registration, segmentation, and some extraction of…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Riddhish Bhalodia , Shireen Y. Elhabian , Ladislav Kavan , Ross T. Whitaker

Interferometric Synthetic Aperture Radar (InSAR) imagery based on microwaves reflected off ground targets is becoming increasingly important in remote sensing for ground movement estimation. However, the reflections are contaminated by…

Image and Video Processing · Electrical Eng. & Systems 2020-01-22 Subhayan Mukherjee , Aaron Zimmer , Xinyao Sun , Parwant Ghuman , Irene Cheng

Convolutional neural networks are designed for dense data, but vision data is often sparse (stereo depth, point clouds, pen stroke, etc.). We present a method to handle sparse depth data with optional dense RGB, and accomplish depth…

Computer Vision and Pattern Recognition · Computer Science 2018-09-03 Maximilian Jaritz , Raoul de Charette , Emilie Wirbel , Xavier Perrotton , Fawzi Nashashibi

Implicit neural representations are a promising new avenue of representing general signals by learning a continuous function that, parameterized as a neural network, maps the domain of a signal to its codomain; the mapping from spatial…

Machine Learning · Computer Science 2021-11-09 Jaeho Lee , Jihoon Tack , Namhoon Lee , Jinwoo Shin

We introduce a deep learning (DL) framework for inverse problems in imaging, and demonstrate the advantages and applicability of this approach in passive synthetic aperture radar (SAR) image reconstruction. We interpret image recon-…

Computer Vision and Pattern Recognition · Computer Science 2018-03-14 Bariscan Yonel , Eric Mason , Birsen Yazıcı

Learning powerful feature representations for image retrieval has always been a challenging task in the field of remote sensing. Traditional methods focus on extracting low-level hand-crafted features which are not only time-consuming but…

Computer Vision and Pattern Recognition · Computer Science 2017-05-22 Weixun Zhou , Shawn Newsam , Congmin Li , Zhenfeng Shao

In this letter, we propose a pseudo-siamese convolutional neural network (CNN) architecture that enables to solve the task of identifying corresponding patches in very-high-resolution (VHR) optical and synthetic aperture radar (SAR) remote…

Image and Video Processing · Electrical Eng. & Systems 2018-05-23 Lloyd H. Hughes , Michael Schmitt , Lichao Mou , Yuanyuan Wang , Xiao Xiang Zhu

Polarimetric synthetic aperture radar (PolSAR) images are widely used in disaster detection and military reconnaissance and so on. However, their interpretation faces some challenges, e.g., deficiency of labeled data, inadequate utilization…

Image and Video Processing · Electrical Eng. & Systems 2019-06-11 Qigong Sun , Xiufang Li , Lingling Li , Xu Liu , Fang Liu , Licheng Jiao

High-resolution (HR) magnetic resonance imaging is critical in aiding doctors in their diagnoses and image-guided treatments. However, acquiring HR images can be time-consuming and costly. Consequently, deep learning-based super-resolution…

Image and Video Processing · Electrical Eng. & Systems 2024-10-21 Jianan Liu , Hao Li , Tao Huang , Euijoon Ahn , Kang Han , Adeel Razi , Wei Xiang , Jinman Kim , David Dagan Feng