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Sparsity-regularized synthetic aperture radar (SAR) imaging framework has shown its remarkable performance to generate a feature enhanced high resolution image, in which a sparsity-inducing regularizer is involved by exploiting the sparsity…

计算机视觉与模式识别 · 计算机科学 2018-05-09 Biao Hou , Zaidao Wen , Licheng Jiao , Qian Wu

Scarcity of training data is one of the prominent problems for deep networks which require large amounts data. Data augmentation is a widely used method to increase the number of training samples and their variations. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2020-12-10 Hilmi Kumdakcı , Cihan Öngün , Alptekin Temizel

Object detection and classification using aerial images is a challenging task as the information regarding targets are not abundant. Synthetic Aperture Radar(SAR) images can be used for Automatic Target Recognition(ATR) systems as it can…

计算机视觉与模式识别 · 计算机科学 2022-12-15 Sumanth Udupa , Aniruddh Sikdar , Suresh Sundaram

Pedestrian Attribute Recognition (PAR) is a challenging task as models are required to generalize across numerous attributes in real-world data. Traditional approaches focus on complex methods, yet recognition performance is often…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Alejandro Alonso , Sawaiz A. Chaudhry , Juan C. SanMiguel , Álvaro García-Martín , Pablo Ayuso-Albizu , Pablo Carballeira

Realistic synthetic image data rendered from 3D models can be used to augment image sets and train image classification semantic segmentation models. In this work, we explore how high quality physically-based rendering and domain…

计算机视觉与模式识别 · 计算机科学 2022-12-14 Jason W. Anderson , Marcin Ziolkowski , Ken Kennedy , Amy W. Apon

Sparse deep learning has become a popular technique for improving the performance of deep neural networks in areas such as uncertainty quantification, variable selection, and large-scale network compression. However, most existing research…

机器学习 · 统计学 2023-10-06 Mingxuan Zhang , Yan Sun , Faming Liang

Traditional radar imaging methods suffer from the problems of low resolution and poor noise suppression. We propose a new radar imaging method based on Self-supervised deep-learning-assisted compressed sensing (SS-DL-CS-Net). The original…

图像与视频处理 · 电气工程与系统科学 2022-08-09 Shaoyin Huang

Automatic speech recognition (ASR) has recently become an important challenge when using deep learning (DL). It requires large-scale training datasets and high computational and storage resources. Moreover, DL techniques and machine…

声音 · 计算机科学 2023-08-01 Hamza Kheddar , Yassine Himeur , Somaya Al-Maadeed , Abbes Amira , Faycal Bensaali

Currently, style augmentation is capturing attention due to convolutional neural networks (CNN) being strongly biased toward recognizing textures rather than shapes. Most existing styling methods either perform a low-fidelity style transfer…

计算机视觉与模式识别 · 计算机科学 2023-08-30 Felipe Moreno-Vera , Edgar Medina , Jorge Poco

How to improve discriminative feature learning is central in classification. Existing works address this problem by explicitly increasing inter-class separability and intra-class similarity, whether by constructing positive and negative…

机器学习 · 计算机科学 2024-08-21 Qingsong Zhao , Yi Wang , Shuguang Dou , Chen Gong , Yin Wang , Cairong Zhao

Single image super-resolution (SISR) deals with a fundamental problem of upsampling a low-resolution (LR) image to its high-resolution (HR) version. Last few years have witnessed impressive progress propelled by deep learning methods.…

计算机视觉与模式识别 · 计算机科学 2021-05-24 Wenbo Li , Kun Zhou , Lu Qi , Nianjuan Jiang , Jiangbo Lu , Jiaya Jia

Synthetic aperture radar (SAR) interferometry (InSAR) is performed using repeat-pass geometry. InSAR technique is used to estimate the topographic reconstruction of the earth surface. The main problem of the range-Doppler focusing technique…

信号处理 · 电气工程与系统科学 2018-03-15 Gabriele Costante , Thomas A. Ciarfuglia , Filippo Biondi

Data augmentation has proved extremely useful by increasing training data variance to alleviate overfitting and improve deep neural networks' generalization performance. In medical image analysis, a well-designed augmentation policy usually…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Yunhe Gao , Zhiqiang Tang , Mu Zhou , Dimitris Metaxas

This letter presents a method of synthetic aperture radar (SAR) image despeckling aimed to preserve the detail information while suppressing speckle noise. This method combines the nonlocal self-similarity partition and a proposed modified…

计算机视觉与模式识别 · 计算机科学 2016-11-24 Chengwei Sang , Hong Sun , Quisong Xia

Feature extraction from infrared (IR) images remains a challenging task. Learning based methods that can work on raw imagery/patches have therefore assumed significance. We propose a novel multi-task extension of the widely used…

图像与视频处理 · 电气工程与系统科学 2018-05-04 Xuelu Li , Vishal Monga

Finding mines in Sonar imagery is a significant problem with a great deal of relevance for seafaring military and commercial endeavors. Unfortunately, the lack of enormous Sonar image data sets has prevented automatic target recognition…

计算机视觉与模式识别 · 计算机科学 2017-06-30 John McKay , Isaac Gerg , Vishal Monga , Raghu Raj

Deep learning based semantic segmentation is one of the popular methods in remote sensing image segmentation. In this paper, a network based on the widely used encoderdecoder architecture is proposed to accomplish the synthetic aperture…

图像与视频处理 · 电气工程与系统科学 2022-06-03 Donghui Li , Jia Liu , Fang Liu , Wenhua Zhang , Andi Zhang , Wenfei Gao , Jiao Shi

In Synthetic Aperture Radar (SAR) imaging, despeckling is very important for image analysis,whereas speckle is known as a kind of multiplicative noise caused by the coherent imaging system. During the past three decades, various algorithms…

图像与视频处理 · 电气工程与系统科学 2020-12-01 Qianqian Zhang , Ruizhi Sun

Deep learning models have a large number of free parameters that must be estimated by efficient training of the models on a large number of training data samples to increase their generalization performance. In real-world applications, the…

计算机视觉与模式识别 · 计算机科学 2018-02-15 Hojjat Salehinejad , Shahrokh Valaee , Timothy Dowdell , Joseph Barfett

Synthetic aperture radar (SAR) image change detection is a vital yet challenging task in the field of remote sensing image analysis. Most previous works adopt a self-supervised method which uses pseudo-labeled samples to guide subsequent…

计算机视觉与模式识别 · 计算机科学 2022-02-10 Junjie Wang , Feng Gao , Junyu Dong , Shan Zhang , Qian Du
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