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Multi-focus is a technique of focusing on different aspects of a particular object or scene. Wireless Visual Sensor Networks (WVSN) use multi-focus image fusion, which combines two or more images to create a more accurate output image that…

Computer Vision and Pattern Recognition · Computer Science 2023-05-22 Krishnendu K. S.

Burst image processing is becoming increasingly popular in recent years. However, it is a challenging task since individual burst images undergo multiple degradations and often have mutual misalignments resulting in ghosting and zipper…

Computer Vision and Pattern Recognition · Computer Science 2023-04-14 Nancy Mehta , Akshay Dudhane , Subrahmanyam Murala , Syed Waqas Zamir , Salman Khan , Fahad Shahbaz Khan

Multi-energy computed tomography (CT) with photon counting detectors (PCDs) enables spectral imaging as PCDs can assign the incoming photons to specific energy channels. However, PCDs with many spectral channels drastically increase the…

Image and Video Processing · Electrical Eng. & Systems 2022-11-03 Satu I. Inkinen , Mikael A. K. Brix , Miika T. Nieminen , Simon Arridge , Andreas Hauptmann

Spectral computed tomography (CT) has a great potential in material identification and decomposition. To achieve high-quality material composition images and further suppress the x-ray beam hardening artifacts, we first propose a one-step…

Computer Vision and Pattern Recognition · Computer Science 2020-01-08 Weiwen Wu , Qian Wang , Fenglin Liu , Yining Zhu , Hengyong Yu

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…

Computer Vision and Pattern Recognition · Computer Science 2022-11-16 Jiahuan Ren , Zhao Zhang , Richang Hong , Mingliang Xu , Yi Yang , Shuicheng Yan

Recovering images corrupted by multiplicative noise is a well known challenging task. Motivated by the success of multiscale hierarchical decomposition methods (MHDM) in image processing, we adapt a variety of both classical and new…

Numerical Analysis · Mathematics 2023-10-11 Joel Barnett , Wen Li , Elena Resmerita , Luminita Vese

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…

Image and Video Processing · Electrical Eng. & Systems 2022-07-13 Sébastien Herbreteau , Charles Kervrann

This paper proposes a novel image contrast enhancement method based on both a noise aware shadow-up function and Retinex (retina and cortex) decomposition. Under low light conditions, images taken by digital cameras have low contrast in…

Computer Vision and Pattern Recognition · Computer Science 2018-11-09 Chien Cheng Chien , Yuma Kinoshita , Sayaka Shiota , Hitoshi Kiya

In PET, the amount of relative (signal-dependent) noise present in different body regions can be significantly different and is inherently related to the number of counts present in that region. The number of counts in a region depends, in…

Image and Video Processing · Electrical Eng. & Systems 2022-12-20 Ye Li , Jianan Cui , Junyu Chen , Guodong Zeng , Scott Wollenweber , Floris Jansen , Se-In Jang , Kyungsang Kim , Kuang Gong , Quanzheng Li

There are many image fusion methods that can be used to produce high-resolution mutlispectral images from a high-resolution panchromatic (PAN) image and low-resolution multispectral (MS) of remote sensed images. This paper attempts to…

Computer Vision and Pattern Recognition · Computer Science 2011-08-17 Firouz Abdullah Al-Wassai , N. V. Kalyankar , Ali A. Al-Zaky

The depth images denoising are increasingly becoming the hot research topic nowadays because they reflect the three-dimensional (3D) scene and can be applied in various fields of computer vision. But the depth images obtained from depth…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Chenggang Yan , Zhisheng Li , Yongbing Zhang , Yutao Liu , Xiangyang Ji , Yongdong Zhang

Multimodal medical image fusion plays an instrumental role in several areas of medical image processing, particularly in disease recognition and tumor detection. Traditional fusion methods tend to process each modality independently before…

Image and Video Processing · Electrical Eng. & Systems 2023-10-11 Lin Liu , Xinxin Fan , Chulong Zhang , Jingjing Dai , Yaoqin Xie , Xiaokun Liang

In many applications, Image de-noising and improvement represent essential processes in presence of colored noise such that in underwater. Power spectral density of the noise is changeable within a definite frequency range, and…

Image and Video Processing · Electrical Eng. & Systems 2020-09-22 Yasin Yousif Al-Aboosi , Radhi Sehen Issa , Ali khalid Jassim

Multi-focus image fusion (MFF) is a popular technique to generate an all-in-focus image, where all objects in the scene are sharp. However, existing methods pay little attention to defocus spread effects of the real-world multi-focus…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Shuang Xu , Lizhen Ji , Zhe Wang , Pengfei Li , Kai Sun , Chunxia Zhang , Jiangshe Zhang

Optical fringe patterns are often contaminated by speckle noise, making it difficult to accurately and robustly extract their phase fields. To deal with this problem, we propose a filtering method based on deep learning, called optical…

Computer Vision and Pattern Recognition · Computer Science 2020-07-03 Bowen Lin , Shujun Fu , Caiming Zhang , Fengling Wang , Yuliang Li

Hyperspectral image denoising faces the challenge of multi-dimensional coupling of spatially non-uniform noise and spectral correlation interference. Existing deep learning methods mostly focus on RGB images and struggle to effectively…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Haoyue Li , Di Wu

Due to its noninvasive character, optical coherence tomography (OCT) has become a popular diagnostic method in clinical settings. However, the low-coherence interferometric imaging procedure is inevitably contaminated by heavy speckle…

Image and Video Processing · Electrical Eng. & Systems 2020-07-08 Yongqiang Huang , Wenjun Xia , Zexin Lu , Yan Liu , Hu Chen , Jiliu Zhou , Leyuan Fang , Yi Zhang

With the growing popularity of smartphones, capturing high-quality images is of vital importance to smartphones. The cameras of smartphones have small apertures and small sensor cells, which lead to the noisy images in low light…

Image and Video Processing · Electrical Eng. & Systems 2022-08-15 Dasong Li , Yi Zhang , Ka Lung Law , Xiaogang Wang , Hongwei Qin , Hongsheng Li

Multi-focus noisy image fusion represents an important task in the field of image fusion which generates a single, clear and focused image from all source images. In this paper, we propose a novel multi-focus noisy image fusion method based…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Hui Li , Xiao-Jun Wu , Tariq Durrani

Until now, of highest relevance for remote sensing data processing and analysis have been techniques for pixel level image fusion. So, This paper attempts to undertake the study of Feature-Level based image fusion. For this purpose, feature…

Computer Vision and Pattern Recognition · Computer Science 2012-09-18 Firouz Abdullah Al-Wassai , N. V. Kalyankar , Ali A. Al-Zaky
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