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We propose an image super resolution(ISR) method using generative adversarial networks (GANs) that takes a low resolution input fundus image and generates a high resolution super resolved (SR) image upto scaling factor of $16$. This…

Computer Vision and Pattern Recognition · Computer Science 2018-05-22 Dwarikanath Mahapatra , Behzad Bozorgtabar

Real-world face super-resolution (SR) is a highly ill-posed image restoration task. The fully-cycled Cycle-GAN architecture is widely employed to achieve promising performance on face SR, but prone to produce artifacts upon challenging…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Hao Hou , Jun Xu , Yingkun Hou , Xiaotao Hu , Benzheng Wei , Dinggang Shen

The deep generative adversarial networks (GAN) recently have been shown to be promising for different computer vision applications, like image edit- ing, synthesizing high resolution images, generating videos, etc. These networks and the…

Computer Vision and Pattern Recognition · Computer Science 2018-04-18 Ali Diba , Vivek Sharma , Rainer Stiefelhagen , Luc Van Gool

Recently image inpainting has witnessed rapid progress due to generative adversarial networks (GAN) that are able to synthesize realistic contents. However, most existing GAN-based methods for semantic inpainting apply an auto-encoder…

Computer Vision and Pattern Recognition · Computer Science 2017-12-22 Haofeng Li , Guanbin Li , Liang Lin , Yizhou Yu

Single image super-resolution (SISR) models are able to enhance the resolution and visual quality of underwater images and contribute to a better understanding of underwater environments. The integration of these models in Autonomous…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Alireza Aghelan , Modjtaba Rouhani

Generative Adversarial Networks (GAN) have been employed for face super resolution but they bring distorted facial details easily and still have weakness on recovering realistic texture. To further improve the performance of GAN based…

Computer Vision and Pattern Recognition · Computer Science 2020-08-31 Hao Dou , Chen Chen , Xiyuan Hu , Zuxing Xuan , Zhisen Hu , Silong Peng

Generative Adversarial Networks (GANs) have shown great performance on super-resolution problems since they can generate more visually realistic images and video frames. However, these models often introduce side effects into the outputs,…

Image and Video Processing · Electrical Eng. & Systems 2024-03-19 Xijun Wang , Santiago López-Tapia , Alice Lucas , Xinyi Wu , Rafael Molina , Aggelos K. Katsaggelos

While Generative Adversarial Networks (GANs) are fundamental to many generative modelling applications, they suffer from numerous issues. In this work, we propose a principled framework to simultaneously mitigate two fundamental issues in…

Machine Learning · Computer Science 2020-11-24 Kwot Sin Lee , Ngoc-Trung Tran , Ngai-Man Cheung

Recently, learning-based models have enhanced the performance of single-image super-resolution (SISR). However, applying SISR successively to each video frame leads to a lack of temporal coherency. Convolutional neural networks (CNNs)…

Computer Vision and Pattern Recognition · Computer Science 2020-10-01 Aman Chadha , John Britto , M. Mani Roja

This paper is on image and face super-resolution. The vast majority of prior work for this problem focus on how to increase the resolution of low-resolution images which are artificially generated by simple bilinear down-sampling (or in a…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Adrian Bulat , Jing Yang , Georgios Tzimiropoulos

Recently, video super resolution (VSR) has become a very impactful task in the area of Computer Vision due to its various applications. In this paper, we propose Recurrent Back-Projection Generative Adversarial Network (RBPGAN) for VSR in…

Computer Vision and Pattern Recognition · Computer Science 2025-01-06 Marwah Sulaiman , Zahraa Shehabeldin , Israa Fahmy , Mohammed Barakat , Mohammed El-Naggar , Dareen Hussein , Moustafa Youssef , Hesham M. Eraqi

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

Detecting small objects is notoriously challenging due to their low resolution and noisy representation. Existing object detection pipelines usually detect small objects through learning representations of all the objects at multiple…

Computer Vision and Pattern Recognition · Computer Science 2017-06-21 Jianan Li , Xiaodan Liang , Yunchao Wei , Tingfa Xu , Jiashi Feng , Shuicheng Yan

We consider the single image super-resolution (SISR) problem, where a high-resolution (HR) image is generated based on a low-resolution (LR) input. Recently, generative adversarial networks (GANs) become popular to hallucinate details. Most…

Image and Video Processing · Electrical Eng. & Systems 2021-12-30 Wenbo Li , Kun Zhou , Lu Qi , Liying Lu , Nianjuan Jiang , Jiangbo Lu , Jiaya Jia

Image inpainting is a valuable technique for enhancing images that have been corrupted. The primary challenge in this research revolves around the extent of corruption in the input image that the deep learning model must restore. To address…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Mehrshad Momen-Tayefeh , Mehrdad Momen-Tayefeh , Amir Ali Ghafourian Ghahramani

Semantic segmentation is one of the basic topics in computer vision, it aims to assign semantic labels to every pixel of an image. Unbalanced semantic label distribution could have a negative influence on segmentation accuracy. In this…

Computer Vision and Pattern Recognition · Computer Science 2019-11-27 Shuangting Liu , Jiaqi Zhang , Yuxin Chen , Yifan Liu , Zengchang Qin , Tao Wan

Realistic hyperspectral image (HSI) super-resolution (SR) techniques aim to generate a high-resolution (HR) HSI with higher spectral and spatial fidelity from its low-resolution (LR) counterpart. The generative adversarial network (GAN) has…

Image and Video Processing · Electrical Eng. & Systems 2022-10-05 Yue Shi , Liangxiu Han , Lianghao Han , Sheng Chang , Tongle Hu , Darren Dancey

Image inpainting is a widely used technique in computer vision for reconstructing missing or damaged pixels in images. Recent advancements with Generative Adversarial Networks (GANs) have demonstrated superior performance over traditional…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Nafiz Al Asad , Md. Appel Mahmud Pranto , Shbiruzzaman Shiam , Musaddeq Mahmud Akand , Mohammad Abu Yousuf , Khondokar Fida Hasan , Mohammad Ali Moni

Real low-resolution (LR) face images contain degradations which are too varied and complex to be captured by known downsampling kernels and signal-independent noises. So, in order to successfully super-resolve real faces, a method needs to…

Image and Video Processing · Electrical Eng. & Systems 2022-02-09 Saurabh Goswami , Aakanksha , Rajagopalan A. N

Blind image super-resolution(SR) is a long-standing task in CV that aims to restore low-resolution images suffering from unknown and complex distortions. Recent work has largely focused on adopting more complicated degradation models to…

Image and Video Processing · Electrical Eng. & Systems 2021-12-21 Zihao Wei , Yidong Huang , Yuang Chen , Chenhao Zheng , Jinnan Gao