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Significant progress has been made in self-supervised image denoising (SSID) in the recent few years. However, most methods focus on dealing with spatially independent noise, and they have little practicality on real-world sRGB images with…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Junyi Li , Zhilu Zhang , Xiaoyu Liu , Chaoyu Feng , Xiaotao Wang , Lei Lei , Wangmeng Zuo

Deep convolution neural networks (CNNs) play a critical role in single image super-resolution (SISR) since the amazing improvement of high performance computing. However, most of the super-resolution (SR) methods only focus on recovering…

图像与视频处理 · 电气工程与系统科学 2020-09-29 Dong Huo , Yee-Hong Yang

Demosaicking and denoising are among the most crucial steps of modern digital camera pipelines and their joint treatment is a highly ill-posed inverse problem where at-least two-thirds of the information are missing and the rest are…

计算机视觉与模式识别 · 计算机科学 2018-07-13 Filippos Kokkinos , Stamatios Lefkimmiatis

Single image superresolution has been a popular research topic in the last two decades and has recently received a new wave of interest due to deep neural networks. In this paper, we approach this problem from a different perspective. With…

计算机视觉与模式识别 · 计算机科学 2018-10-03 Weifeng Ge , Bingchen Gong , Yizhou Yu

Image restoration, including image denoising, super resolution, inpainting, and so on, is a well-studied problem in computer vision and image processing, as well as a test bed for low-level image modeling algorithms. In this work, we…

计算机视觉与模式识别 · 计算机科学 2016-08-31 Xiao-Jiao Mao , Chunhua Shen , Yu-Bin Yang

Most current super-resolution methods rely on low and high resolution image pairs to train a network in a fully supervised manner. However, such image pairs are not available in real-world applications. Instead of directly addressing this…

图像与视频处理 · 电气工程与系统科学 2019-09-23 Andreas Lugmayr , Martin Danelljan , Radu Timofte

We present a deep neural network for removing undesirable shading features from an unconstrained portrait image, recovering the underlying texture. Our training scheme incorporates three regularization strategies: masked loss, to emphasize…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Joshua Weir , Junhong Zhao , Andrew Chalmers , Taehyun Rhee

In recent years, deep learning models have been successfully employed for augmenting low-resolution cosmological simulations with small-scale information, a task known as "super-resolution". So far, these cosmological super-resolution…

宇宙学与河外天体物理 · 物理学 2024-11-14 Andreas Schanz , Florian List , Oliver Hahn

Hyperspectral image (HSI) denoising is a crucial preprocessing procedure to improve the performance of the subsequent HSI interpretation and applications. In this paper, a novel deep learning-based method for this task is proposed, by…

计算机视觉与模式识别 · 计算机科学 2018-08-14 Qiangqiang Yuan , Qiang Zhang , Jie Li , Huanfeng Shen , Liangpei Zhang

There have been many image denoisers using deep neural networks, which outperform conventional model-based methods by large margins. Recently, self-supervised methods have attracted attention because constructing a large real noise dataset…

图像与视频处理 · 电气工程与系统科学 2023-07-31 Yeong Il Jang , Keuntek Lee , Gu Yong Park , Seyun Kim , Nam Ik Cho

This paper presents a new variational inference framework for image restoration and a convolutional neural network (CNN) structure that can solve the restoration problems described by the proposed framework. Earlier CNN-based image…

图像与视频处理 · 电气工程与系统科学 2022-07-20 Jae Woong Soh , Nam Ik Cho

Supervised learning with a convolutional neural network is recognized as a powerful means of image restoration. However, most such methods have been designed for application to grayscale and/or color images; therefore, they have limited…

图像与视频处理 · 电气工程与系统科学 2019-07-02 Ryuji Imamura , Tatsuki Itasaka , Masahiro Okuda

When a high-resolution (HR) image is degraded into a low-resolution (LR) image, the image loses some of the existing information. Consequently, multiple HR images can correspond to the LR image. Most of the existing methods do not consider…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Hanbyel Cho , Yekang Lee , Jaemyung Yu , Junmo Kim

The capability of image semantic segmentation may be deteriorated due to noisy input image, where image denoising prior to segmentation helps. Both image denoising and semantic segmentation have been developed significantly with the advance…

计算机视觉与模式识别 · 计算机科学 2021-02-25 Shunxin Xu , Ke Sun , Dong Liu , Zhiwei Xiong , Zheng-Jun Zha

Image quality is the basis of image communication and understanding tasks. Due to the blur and noise effects caused by imaging, transmission and other processes, the image quality is degraded. Blind image restoration is widely used to…

图像与视频处理 · 电气工程与系统科学 2021-01-26 Ningshan Xu

When taking photos in dim-light environments, due to the small amount of light entering, the shot images are usually extremely dark, with a great deal of noise, and the color cannot reflect real-world color. Under this condition, the…

计算机视觉与模式识别 · 计算机科学 2019-04-17 Di Zhao , Lan Ma , Songnan Li , Dahai Yu

Deep learning techniques have led to state-of-the-art image super resolution with natural images. Normally, pairs of high-resolution and low-resolution images are used to train the deep learning models. These techniques have also been…

图像与视频处理 · 电气工程与系统科学 2022-10-14 Yutaro Iwamoto , Kyohei Takeda , Yinhao Li , Akihiko Shiino , Yen-Wei Chen

State-of-the-art deep neural network models have reached near perfect face recognition accuracy rates on controlled high-resolution face images. However, their performance is drastically degraded when they are tested with very…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Vahid Reza Khazaie , Nicky Bayat , Yalda Mohsenzadeh

Self-supervised learning for image denoising problems in the presence of denaturation for noisy data is a crucial approach in machine learning. However, theoretical understanding of the performance of the approach that uses denatured data…

机器学习 · 统计学 2024-12-17 Hiroki Waida , Kimihiro Yamazaki , Atsushi Tokuhisa , Mutsuyo Wada , Yuichiro Wada

Defocus blur is a physical consequence of the optical sensors used in most cameras. Although it can be used as a photographic style, it is commonly viewed as an image degradation modeled as the convolution of a sharp image with a…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Ali Karaali , Claudio Rosito Jung