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Related papers: ODCR: Orthogonal Decoupling Contrastive Regulariza…

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To evaluate their performance, existing dehazing approaches generally rely on distance measures between the generated image and its corresponding ground truth. Despite its ability to produce visually good images, using pixel-based or even…

Computer Vision and Pattern Recognition · Computer Science 2020-02-10 Sébastien de Blois , Ihsen Hedhli , Christian Gagné

Just like many other topics in computer vision, image classification has achieved significant progress recently by using deep-learning neural networks, especially the Convolutional Neural Networks (CNN). Most of the existing works are…

Computer Vision and Pattern Recognition · Computer Science 2018-10-15 Yanting Pei , Yaping Huang , Qi Zou , Hao Zang , Xingyuan Zhang , Song Wang

Model-based single image dehazing algorithms restore haze-free images with sharp edges and rich details for real-world hazy images at the expense of low PSNR and SSIM values for synthetic hazy images. Data-driven ones restore haze-free…

Computer Vision and Pattern Recognition · Computer Science 2022-10-12 Zhengguo Li , Chaobing Zheng , Haiyan Shu , Shiqian Wu

Existing real-world image dehazing methods primarily attempt to fine-tune pre-trained models or adapt their inference procedures, thus heavily relying on the pre-trained models and associated training data. Moreover, restoring heavily…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Ruiyi Wang , Yushuo Zheng , Zicheng Zhang , Chunyi Li , Shuaicheng Liu , Guangtao Zhai , Xiaohong Liu

Clouds and haze often occlude optical satellite images, hindering continuous, dense monitoring of the Earth's surface. Although modern deep learning methods can implicitly learn to ignore such occlusions, explicit cloud removal as…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Patrick Ebel , Vivien Sainte Fare Garnot , Michael Schmitt , Jan Dirk Wegner , Xiao Xiang Zhu

Several unsupervised and self-supervised approaches have been developed in recent years to learn visual features from large-scale unlabeled datasets. Their main drawback however is that these methods are hardly able to recognize visual…

Computer Vision and Pattern Recognition · Computer Science 2022-06-08 Alessandra Alfani , Federico Becattini , Lorenzo Seidenari , Alberto Del Bimbo

This paper focuses on addressing the issue of image demoireing. Unlike the large volume of existing studies that rely on learning from paired real data, we attempt to learn a demoireing model from unpaired real data, i.e., moire images…

Computer Vision and Pattern Recognition · Computer Science 2024-01-08 Yunshan Zhong , Yuyao Zhou , Yuxin Zhang , Fei Chao , Rongrong Ji

For a unified analysis of medical images from different modalities, data harmonization using image-to-image (I2I) translation is desired. We study this problem employing an optical coherence tomography (OCT) data set of Spectralis-OCT and…

Image and Video Processing · Electrical Eng. & Systems 2024-04-09 Marc S. Seibel , Hristina Uzunova , Timo Kepp , Heinz Handels

A novel algorithm for uncalibrated stereo image-pair rectification under the constraint of geometric distortion, called USR-CGD, is presented in this work. Although it is straightforward to define a rectifying transformation (or homography)…

Computer Vision and Pattern Recognition · Computer Science 2020-04-20 Hyunsuk Ko , Han Suk Shim , Ouk Choi , C. -C. Jay Kuo

Unsupervised continual learning aims to learn new tasks incrementally without requiring human annotations. However, most existing methods, especially those targeted on image classification, only work in a simplified scenario by assuming all…

Computer Vision and Pattern Recognition · Computer Science 2022-04-13 Jiangpeng He , Fengqing Zhu

Relying on the representation power of neural networks, most recent works have often neglected several factors involved in haze degradation, such as transmission (the amount of light reaching an observer from a scene over distance) and…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Eun Woo Im , Junsung Shin , Sungyong Baik , Tae Hyun Kim

Nosie is an important cause of low quality Optical coherence tomography (OCT) image. The neural network model based on Convolutional neural networks(CNNs) has demonstrated its excellent performance in image denoising. However, OCT image…

Image and Video Processing · Electrical Eng. & Systems 2022-05-03 Jie Du , Xujian Yang , Kecheng Jin , Xuanzheng Qi , Hu Chen

Unpaired image-to-image translation aims to find a mapping between the source domain and the target domain. To alleviate the problem of the lack of supervised labels for the source images, cycle-consistency based methods have been proposed…

Computer Vision and Pattern Recognition · Computer Science 2022-07-14 Yupei Lin , Sen Zhang , Tianshui Chen , Yongyi Lu , Guangping Li , Yukai Shi

In monocular depth estimation, uncertainty estimation approaches mainly target the data uncertainty introduced by image noise. In contrast to prior work, we address the uncertainty due to lack of knowledge, which is relevant for the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-14 Julia Hornauer , Adrian Holzbock , Vasileios Belagiannis

On the one hand, the dehazing task is an illposedness problem, which means that no unique solution exists. On the other hand, the dehazing task should take into account the subjective factor, which is to give the user selectable dehazed…

Computer Vision and Pattern Recognition · Computer Science 2023-06-12 Jie Gui , Xiaofeng Cong , Lei He , Yuan Yan Tang , James Tin-Yau Kwok

High-resolution (HR) image harmonization is of great significance in real-world applications such as image synthesis and image editing. However, due to the high memory costs, existing dense pixel-to-pixel harmonization methods are mainly…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Jianqi Chen , Yilan Zhang , Zhengxia Zou , Keyan Chen , Zhenwei Shi

We introduce unORANIC, an unsupervised approach that uses an adapted loss function to drive the orthogonalization of anatomy and image-characteristic features. The method is versatile for diverse modalities and tasks, as it does not require…

Image and Video Processing · Electrical Eng. & Systems 2023-08-31 Sebastian Doerrich , Francesco Di Salvo , Christian Ledig

In recent years, deep learning models have revolutionized medical image interpretation, offering substantial improvements in diagnostic accuracy. However, these models often struggle with challenging images where critical features are…

Computer Vision and Pattern Recognition · Computer Science 2023-07-03 Pradeep Singh , Kishore Babu Nampalle , Uppala Vivek Narayan , Balasubramanian Raman

Images acquired in hazy conditions have degradations induced in them. Dehazing such images is a vexed and ill-posed problem. Scores of prior-based and learning-based approaches have been proposed to mitigate the effect of haze and generate…

Computer Vision and Pattern Recognition · Computer Science 2023-12-18 Abdul Wasi , O. Jeba Shiney

We propose a multiscale method for mixed-dimensional elliptic problems with highly heterogeneous coefficients arising, for example, in the modeling of fractured porous media. The method is based on the Localized Orthogonal Decomposition…

Numerical Analysis · Mathematics 2026-03-23 Moritz Hauck , Axel Målqvist , Malin Mosquera
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