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Deep convolutional neural networks (CNNs) are used for image denoising via automatically mining accurate structure information. However, most of existing CNNs depend on enlarging depth of designed networks to obtain better denoising…

图像与视频处理 · 电气工程与系统科学 2022-10-04 Chunwei Tian , Menghua Zheng , Wangmeng Zuo , Bob Zhang , Yanning Zhang , David Zhang

Low-light image enhancement (LLIE) aims at improving the illumination and visibility of dark images with lighting noise. To handle the real-world low-light images often with heavy and complex noise, some efforts have been made for joint…

计算机视觉与模式识别 · 计算机科学 2022-11-16 Jiahuan Ren , Zhao Zhang , Richang Hong , Mingliang Xu , Yi Yang , Shuicheng Yan

Convolutional neural network (CNN)-based image denoising methods have been widely studied recently, because of their high-speed processing capability and good visual quality. However, most of the existing CNN-based denoisers learn the image…

图像与视频处理 · 电气工程与系统科学 2020-06-30 Rui Zhao , Kin-Man Lam , Daniel P. K. Lun

The advancement of imaging devices and countless images generated everyday pose an increasingly high demand on image denoising, which still remains a challenging task in terms of both effectiveness and efficiency. To improve denoising…

图像与视频处理 · 电气工程与系统科学 2023-05-10 Zhaoming Kong , Fangxi Deng , Haomin Zhuang , Jun Yu , Lifang He , Xiaowei Yang

Digital media is ubiquitous and produced in ever-growing quantities. This necessitates a constant evolution of compression techniques, especially for video, in order to maintain efficient storage and transmission. In this work, we aim at…

图像与视频处理 · 电气工程与系统科学 2020-04-29 Jan P. Klopp , Liang-Gee Chen , Shao-Yi Chien

While deep neural network (DNN)-based video denoising has demonstrated significant performance, deploying state-of-the-art models on edge devices remains challenging due to stringent real-time and energy efficiency requirements.…

计算机视觉与模式识别 · 计算机科学 2025-05-29 Shan Gao , Zhiqiang Wu , Yawen Niu , Xiaotao Li , Qingqing Xu

Convolutional neural networks (CNNs) have shown outstanding performance on image denoising with the help of large-scale datasets. Earlier methods naively trained a single CNN with many pairs of clean-noisy images. However, the conditional…

图像与视频处理 · 电气工程与系统科学 2021-04-05 Jae Woong Soh , Nam Ik Cho

Despite recent advances in hardware acceleration of ray tracing, real-time ray budgets remain stubbornly limited at a handful of samples per pixel (spp) on commodity hardware, placing the onus on denoising algorithms to achieve high visual…

计算机视觉与模式识别 · 计算机科学 2024-10-16 Arturo Salmi , Szabolcs Cséfalvay , James Imber

Visual restoration and recognition are traditionally addressed in pipeline fashion, i.e. denoising followed by classification. Instead, observing correlations between the two tasks, for example clearer image will lead to better…

计算机视觉与模式识别 · 计算机科学 2016-12-06 Gang Chen , Yawei Li , Sargur N. Srihari

This work tackles the issue of noise removal from images, focusing on the well-known DCT image denoising algorithm. The latter, stemming from signal processing, has been well studied over the years. Though very simple, it is still used in…

图像与视频处理 · 电气工程与系统科学 2022-07-13 Sébastien Herbreteau , Charles Kervrann

We present a simple and effective deep convolutional neural network (CNN) model for video deblurring. The proposed algorithm mainly consists of optical flow estimation from intermediate latent frames and latent frame restoration steps. It…

计算机视觉与模式识别 · 计算机科学 2020-04-07 Jinshan Pan , Haoran Bai , Jinhui Tang

Image denoising is an important low-level computer vision task, which aims to reconstruct a noise-free and high-quality image from a noisy image. With the development of deep learning, convolutional neural network (CNN) has been gradually…

计算机视觉与模式识别 · 计算机科学 2022-05-17 Chao Yao , Shuo Jin , Meiqin Liu , Xiaojuan Ban

Image denoising is a fundamental task in computer vision. While prevailing deep learning-based supervised and self-supervised methods have excelled in eliminating in-distribution noise, their susceptibility to out-of-distribution (OOD)…

计算机视觉与模式识别 · 计算机科学 2024-03-25 Jun Cheng , Dong Liang , Shan Tan

In this paper, we present a novel robust framework for low-level vision tasks, including denoising, object removal, frame interpolation, and super-resolution, that does not require any external training data corpus. Our proposed approach…

计算机视觉与模式识别 · 计算机科学 2023-12-14 Gaurav Shrivastava , Ser-Nam Lim , Abhinav Shrivastava

Image denoising has achieved unprecedented progress as great efforts have been made to exploit effective deep denoisers. To improve the denoising performance in realworld, two typical solutions are used in recent trends: devising better…

图像与视频处理 · 电气工程与系统科学 2022-04-06 Yunhao Zou , Ying Fu

Classical approaches for estimating optical flow have achieved rapid progress in the last decade. However, most of them are too slow to be applied in real-time video analysis. Due to the great success of deep learning, recent work has…

计算机视觉与模式识别 · 计算机科学 2017-07-21 Yi Zhu , Shawn Newsam

We design a novel network architecture for learning discriminative image models that are employed to efficiently tackle the problem of grayscale and color image denoising. Based on the proposed architecture, we introduce two different…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Stamatios Lefkimmiatis

Owing to flexible architectures of deep convolutional neural networks (CNNs), CNNs are successfully used for image denoising. However, they suffer from the following drawbacks: (i) deep network architecture is very difficult to train. (ii)…

计算机视觉与模式识别 · 计算机科学 2019-03-05 Chunwei Tian , Yong Xu , Lunke Fei , Junqian Wang , Jie Wen , Nan Luo

Computed tomography is widely used as an imaging tool to visualize three-dimensional structures with expressive bone-soft tissue contrast. However, CT resolution and radiation dose are tightly entangled, highlighting the importance of…

High-throughput imaging workflows, such as Parallel Rapid Imaging with Spectroscopic Mapping (PRISM), generate data at rates that exceed conventional real-time processing capabilities. We present a scalable FPGA-based preprocessing pipeline…

硬件体系结构 · 计算机科学 2025-11-26 Weichien Liao