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We present an algorithm to directly solve numerous image restoration problems (e.g., image deblurring, image dehazing, image deraining, etc.). These problems are highly ill-posed, and the common assumptions for existing methods are usually…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Jinshan Pan , Jiangxin Dong , Yang Liu , Jiawei Zhang , Jimmy Ren , Jinhui Tang , Yu-Wing Tai , Ming-Hsuan Yang

Generative adversarial networks (GANs) are a class of unsupervised machine learning algorithms that can produce realistic images from randomly-sampled vectors in a multi-dimensional space. Until recently, it was not possible to generate…

Computer Vision and Pattern Recognition · Computer Science 2018-05-10 Andrew Beers , James Brown , Ken Chang , J. Peter Campbell , Susan Ostmo , Michael F. Chiang , Jayashree Kalpathy-Cramer

Generative networks are fundamentally different in their aim and methods compared to CNNs for classification, segmentation, or object detection. They have initially not been meant to be an image analysis tool, but to produce naturally…

Computer Vision and Pattern Recognition · Computer Science 2022-07-11 Markus Wenzel

The difficulty in obtaining labeled data relevant to a given task is among the most common and well-known practical obstacles to applying deep learning techniques to new or even slightly modified domains. The data volumes required by the…

Computer Vision and Pattern Recognition · Computer Science 2019-09-24 Jonathan Howe , Kyle Pula , Aaron A. Reite

Panchromatic (PAN) and multi-spectral (MS) image fusion, named Pan-sharpening, refers to super-resolve the low-resolution (LR) multi-spectral (MS) images in the spatial domain to generate the expected high-resolution (HR) MS images,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Keyu Yan , Man Zhou , Jie Huang , Feng Zhao , Chengjun Xie , Chongyi Li , Danfeng Hong

Radio surveys are widely used to study active galactic nuclei. Radio interferometric observations typically trade-off surface brightness sensitivity for angular resolution. Hence, observations using a wide range of baseline lengths are…

Astrophysics of Galaxies · Physics 2019-06-11 Nina Glaser , O Ivy Wong , Kevin Schawinski , Ce Zhang

The sparse layouts of radio interferometers result in an incomplete sampling of the sky in Fourier space which leads to artifacts in the reconstructed images. Cleaning these systematic effects is essential for the scientific use of…

Instrumentation and Methods for Astrophysics · Physics 2023-07-27 Kevin Schmidt , Felix Geyer , Stefan Fröse , Paul-Simon Blomenkamp , Marcus Brüggen , Francesco de Gasperin , Dominik Elsässer , Wolfgang Rhode

We demonstrate training of a Generative Adversarial Network (GAN) for prediction of optical property maps (scattering and absorption) using spatial frequency domain imaging (SFDI) image data sets generated synthetically with free…

Image and Video Processing · Electrical Eng. & Systems 2022-10-04 Ahmed Osman , Jane Crowley , George Gordon

Single-channel signal separation and deconvolution aims to separate and deconvolve individual sources from a single-channel mixture and is a challenging problem in which no prior knowledge of the mixing filters is available. Both individual…

Audio and Speech Processing · Electrical Eng. & Systems 2019-12-10 Qiuqiang Kong , Yong Xu , Wenwu Wang , Philip J. B. Jackson , Mark D. Plumbley

Higher spatial resolution and larger imaging scene are always the goals pursued by advanced space-borne SAR system.High resolution and wide swath SAR imaging can provide more information about the illuminated scene of interest on one…

Signal Processing · Electrical Eng. & Systems 2024-02-27 Xinhua Mao

Digital image steganalysis, or the detection of image steganography, has been studied in depth for years and is driven by Advanced Persistent Threat (APT) groups', such as APT37 Reaper, utilization of steganographic techniques to transmit…

Multimedia · Computer Science 2019-12-24 Isaac Corley , Jonathan Lwowski , Justin Hoffman

Generative Adversarial Networks (GANs) are at the forefront of AI innovation, driving advancements in areas such as image synthesis, medical imaging, and data augmentation. However, the unique computational operations within GANs, such as…

Hardware Architecture · Computer Science 2025-01-24 Tharini Suresh , Salma Afifi , Sudeep Pasricha

In agricultural image analysis, optimal model performance is keenly pursued for better fulfilling visual recognition tasks (e.g., image classification, segmentation, object detection and localization), in the presence of challenges with…

Computer Vision and Pattern Recognition · Computer Science 2022-04-14 Ebenezer Olaniyi , Dong Chen , Yuzhen Lu , Yanbo Huang

The CLEAN algorithm, widely used in radio interferometry for the deconvolution of radio images, performs well only if the raw radio image (dirty image) is, to good approximation, a simple convolution between the instrumental point-spread…

Instrumentation and Methods for Astrophysics · Physics 2015-05-28 I. M. Stewart , D. M. Fenech , T. W. B. Muxlow

High-resolution magnetic resonance images can provide fine-grained anatomical information, but acquiring such data requires a long scanning time. In this paper, a framework called the Fused Attentive Generative Adversarial Networks(FA-GAN)…

Image and Video Processing · Electrical Eng. & Systems 2021-08-29 Mingfeng Jiang , Minghao Zhi , Liying Wei , Xiaocheng Yang , Jucheng Zhang , Yongming Li , Pin Wang , Jiahao Huang , Guang Yang

Denoising Score Matching with Annealed Langevin Sampling (DSM-ALS) has recently found success in generative modeling. The approach works by first training a neural network to estimate the score of a distribution, and then using Langevin…

Generative Adversarial Networks (GANs) are considered the state-of-the-art in the field of image generation. They learn the joint distribution of the training data and attempt to generate new data samples in high dimensional space following…

Computer Vision and Pattern Recognition · Computer Science 2020-04-29 Sherif Abdulatif , Karim Armanious , Fady Aziz , Urs Schneider , Bin Yang

Solar cell electroluminescence (EL) defect segmentation is an interesting and challenging topic. Many methods have been proposed for EL defect detection, but these methods are still unsatisfactory due to the diversity of the defect and…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Binyi Su , Zhong Zhou , Haiyong Chen , Xiaochun Cao

In recent years, research on image generation methods has been developing fast. The auto-encoding variational Bayes method (VAEs) was proposed in 2013, which uses variational inference to learn a latent space from the image database and…

Computer Vision and Pattern Recognition · Computer Science 2018-07-12 Guoqiang Zhong , Wei Gao , Yongbin Liu , Youzhao Yang

While most existing segmentation methods usually combined the powerful feature extraction capabilities of CNNs with Conditional Random Fields (CRFs) post-processing, the result always limited by the fault of CRFs . Due to the notoriously…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 ZengShun Zhaoa , Yulong Wang , Ke Liu , Haoran Yang , Qian Sun , Heng Qiao