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Cameras in modern devices such as smartphones, satellites and medical equipment are capable of capturing very high resolution images and videos. Such high-resolution data often need to be processed by deep learning models for cancer…

计算机视觉与模式识别 · 计算机科学 2022-12-07 Arian Bakhtiarnia , Qi Zhang , Alexandros Iosifidis

Recovering sharp video sequence from a motion-blurred image is highly ill-posed due to the significant loss of motion information in the blurring process. For event-based cameras, however, fast motion can be captured as events at high time…

计算机视觉与模式识别 · 计算机科学 2020-04-14 Zhe Jiang , Yu Zhang , Dongqing Zou , Jimmy Ren , Jiancheng Lv , Yebin Liu

Image deblurring aims to restore the latent sharp images from the corresponding blurred ones. In this paper, we present an unsupervised method for domain-specific single-image deblurring based on disentangled representations. The…

计算机视觉与模式识别 · 计算机科学 2019-08-06 Boyu Lu , Jun-Cheng Chen , Rama Chellappa

The defocus deblurring raised from the finite aperture size and exposure time is an essential problem in the computational photography. It is very challenging because the blur kernel is spatially varying and difficult to estimate by…

图像与视频处理 · 电气工程与系统科学 2021-06-01 Pengwei Liang , Junjun Jiang , Xianming Liu , Jiayi Ma

Deconvolution is the most commonly used image processing method to remove the blur caused by the point-spread-function (PSF) in optical imaging systems. While this method has been successful in deblurring, it suffers from several…

图像与视频处理 · 电气工程与系统科学 2019-10-10 Huangxuan Zhao , Ziwen Ke , Ningbo Chen , Ke Li , Lidai Wang , Xiaojing Gong , Wei Zheng , Liang Song , Zhicheng Liu , Dong Liang , Chengbo Liu

Video deblurring methods, aiming at recovering consecutive sharp frames from a given blurry video, usually assume that the input video suffers from consecutively blurry frames. However, in real-world scenarios captured by modern imaging…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Wei Shang , Dongwei Ren , Yi Yang , Wangmeng Zuo

The state of the art in video super-resolution (SR) are techniques based on deep learning, but they perform poorly on real-world videos (see Figure 1). The reason is that training image-pairs are commonly created by downscaling a…

计算机视觉与模式识别 · 计算机科学 2021-05-07 Noam Elron , Alex Itskovich , Shahar S. Yuval , Noam Levy

The lack of large-scale real raw image denoising dataset gives rise to challenges on synthesizing realistic raw image noise for training denoising models. However, the real raw image noise is contributed by many noise sources and varies…

图像与视频处理 · 电气工程与系统科学 2023-02-24 Yi Zhang , Hongwei Qin , Xiaogang Wang , Hongsheng Li

Drone detection has benefited from improvements in deep neural networks, but like many other applications, suffers from the availability of accurate data for training. Synthetic data provides a potential for low-cost data generation and has…

计算机视觉与模式识别 · 计算机科学 2024-11-15 Mariusz Wisniewski , Zeeshan A. Rana , Ivan Petrunin , Alan Holt , Stephen Harman

State-of-the-art video deblurring methods are capable of removing non-uniform blur caused by unwanted camera shake and/or object motion in dynamic scenes. However, most existing methods are based on batch processing and thus need access to…

计算机视觉与模式识别 · 计算机科学 2017-04-12 Tae Hyun Kim , Kyoung Mu Lee , Bernhard Schölkopf , Michael Hirsch

Image reconstruction techniques such as denoising often need to be applied to the RGB output of cameras and cellphones. Unfortunately, the commonly used additive white noise (AWGN) models do not accurately reproduce the noise and the…

计算机视觉与模式识别 · 计算机科学 2019-04-19 Ronnachai Jaroensri , Camille Biscarrat , Miika Aittala , Frédo Durand

This paper tackles the problem of motion deblurring of dynamic scenes. Although end-to-end fully convolutional designs have recently advanced the state-of-the-art in non-uniform motion deblurring, their performance-complexity trade-off is…

计算机视觉与模式识别 · 计算机科学 2024-02-12 Maitreya Suin , Kuldeep Purohit , A. N. Rajagopalan

This paper shows that when applying machine learning to digital zoom for photography, it is beneficial to use real, RAW sensor data for training. Existing learning-based super-resolution methods do not use real sensor data, instead…

计算机视觉与模式识别 · 计算机科学 2019-05-14 Xuaner Cecilia Zhang , Qifeng Chen , Ren Ng , Vladlen Koltun

In this paper, we propose an end-to-end learning framework for event-based motion deblurring in a self-supervised manner, where real-world events are exploited to alleviate the performance degradation caused by data inconsistency. To…

计算机视觉与模式识别 · 计算机科学 2021-09-29 Fang Xu , Lei Yu , Bishan Wang , Wen Yang , Gui-Song Xia , Xu Jia , Zhendong Qiao , Jianzhuang Liu

Exposure correction aims to enhance visual data suffering from improper exposures, which can greatly improve satisfactory visual effects. However, previous methods mainly focus on the image modality, and the video counterpart is less…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Jin Liu , Bo Wang , Chuanming Wang , Huiyuan Fu , Huadong Ma

Face analysis is a core part of computer vision, in which remarkable progress has been observed in the past decades. Current methods achieve recognition and tracking with invariance to fundamental modes of variation such as illumination, 3D…

计算机视觉与模式识别 · 计算机科学 2018-03-12 Grigorios G. Chrysos , Paolo Favaro , Stefanos Zafeiriou

Images taken under the low-light condition often contain blur and saturated pixels at the same time. Deblurring images with saturated pixels is quite challenging. Because of the limited dynamic range, the saturated pixels are usually…

计算机视觉与模式识别 · 计算机科学 2023-08-11 Liang Chen , Jiawei Zhang , Zhenhua Li , Yunxuan Wei , Faming Fang , Jimmy Ren , Jinshan Pan

The intricacy of rainy image contents often leads cutting-edge deraining models to image degradation including remnant rain, wrongly-removed details, and distorted appearance. Such degradation is further exacerbated when applying the models…

计算机视觉与模式识别 · 计算机科学 2023-02-15 Yiyang Shen , Mingqiang Wei , Sen Deng , Wenhan Yang , Yongzhen Wang , Xiao-Ping Zhang , Meng Wang , Jing Qin

A polarization camera can capture four linear polarized images with different polarizer angles in a single shot, which is useful in polarization-based vision applications since the degree of linear polarization (DoLP) and the angle of…

计算机视觉与模式识别 · 计算机科学 2025-05-19 Chu Zhou , Minggui Teng , Xinyu Zhou , Chao Xu , Imari Sato , Boxin Shi

Deep Neural Network (DNN)-based image reconstruction, despite many successes, often exhibits uneven fidelity between high and low spatial frequency bands. In this paper we propose the Learning Synthesis by DNN (LS-DNN) approach where two…

计算机视觉与模式识别 · 计算机科学 2018-11-21 Mo Deng , Shuai Li , George Barbastathis