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Microscopy images often suffer from high levels of noise, which can hinder further analysis and interpretation. Content-aware image restoration (CARE) methods have been proposed to address this issue, but they often require large amounts of…

Image and Video Processing · Electrical Eng. & Systems 2023-03-30 Felix Fuentes-Hurtado , Jean-Baptiste Sibarita , Virgile Viasnoff

Digital image processing involves the systematic handling of images using advanced computer algorithms, and has gained significant attention in both academic and practical fields. Image enhancement is a crucial preprocessing stage in the…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Rupjyoti Chutia , Dibya Jyoti Bora

Holographic coherent X-ray imaging enables nanoscale imaging of biological cells and tissues, rendering both phase and absorption contrast, i.e. real and imaginary parts of the refractive index. Unlike the standard model, which assumes a…

Analysis of PDEs · Mathematics 2026-05-29 Thorsten Hohage , Milad Karimi , Björn Müller

Deep learning based medical imaging classification models usually suffer from the domain shift problem, where the classification performance drops when training data and real-world data differ in imaging equipment manufacturer, image…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Wenshuo Zhou , Dalu Yang , Binghong Wu , Yehui Yang , Junde Wu , Xiaorong Wang , Lei Wang , Haifeng Huang , Yanwu Xu

An important component of human analysis of medical images and their context is the ability to relate newly seen things to related instances in our memory. In this paper we mimic this ability by using multi-modal retrieval augmentation and…

Computer Vision and Pattern Recognition · Computer Science 2023-02-23 Tom van Sonsbeek , Marcel Worring

In this work, we have presented a way to increase the contrast of an image. Our target is to find a transformation that will be image specific. We have used a fuzzy system as our transformation function. To tune the system according to an…

Computer Vision and Pattern Recognition · Computer Science 2023-01-31 Mohimenul Kabir , Jaiaid Mobin , Ahmad Hassanat , M. Sohel Rahman

The development of unsupervised hashing is advanced by the recent popular contrastive learning paradigm. However, previous contrastive learning-based works have been hampered by (1) insufficient data similarity mining based on global-only…

Computer Vision and Pattern Recognition · Computer Science 2022-09-29 Jiaguo Yu , Huming Qiu , Dubing Chen , Haofeng Zhang

Deep learning algorithms utilizing magnetic resonance (MR) images have demonstrated cutting-edge proficiency in autonomously segmenting multiple sclerosis (MS) lesions. Despite their achievements, these algorithms may struggle to extend…

Image and Video Processing · Electrical Eng. & Systems 2023-11-01 Jinwei Zhang , Lianrui Zuo , Blake E. Dewey , Samuel W. Remedios , Savannah P. Hays , Dzung L. Pham , Jerry L. Prince , Aaron Carass

Histopathological images are essential for medical diagnosis and treatment planning, but interpreting them accurately using machine learning can be challenging due to variations in tissue preparation, staining and imaging protocols. Domain…

Computer Vision and Pattern Recognition · Computer Science 2023-11-01 Vaibhav Khamankar , Sutanu Bera , Saumik Bhattacharya , Debashis Sen , Prabir Kumar Biswas

Overranging or overscanning increases the dose delivered to patients undergoing helical Computed Tomography examinations. In order to reduce it, nowadays most of the multidetector tomographs close the X-ray beam aperture at the scan…

Medical Physics · Physics 2014-06-04 Diego Trevisan , Faustino Bonutti , Daniele Ravanelli , Aldo Valentini

Purpose A Magnetic Resonance Imaging (MRI) exam typically consists of several sequences that yield different image contrasts. Each sequence is parameterized through multiple acquisition parameters that influence image contrast,…

Image and Video Processing · Electrical Eng. & Systems 2022-02-23 Jonas Denck , Jens Guehring , Andreas Maier , Eva Rothgang

Halo artifacts significantly impact display quality. We propose a method to reduce halos in Local Histogram Equalization (LHE) algorithms by separately addressing dark and light variants. This approach results in visually natural images by…

Computer Vision and Pattern Recognition · Computer Science 2024-06-03 Prasoon Ambalathankandy , Yafei Ou , Masayuki Ikebe

Unsupervised cross-modality medical image adaptation aims to alleviate the severe domain gap between different imaging modalities without using the target domain label. A key in this campaign relies upon aligning the distributions of source…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Zixian Su , Kai Yao , Xi Yang , Qiufeng Wang , Yuyao Yan , Jie Sun , Kaizhu Huang

Previous methods for 3D human motion recovery from monocular images often fall short due to reliance on camera coordinates, leading to inaccuracies in real-world applications. The limited availability and diversity of focal length labels…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Wei Yao , Hongwen Zhang , Yunlian Sun , Yebin Liu , Jinhui Tang

Digital camera and mobile document image acquisition are new trends arising in the world of Optical Character Recognition and text detection. In some cases, such process integrates many distortions and produces poorly scanned text or…

Computer Vision and Pattern Recognition · Computer Science 2015-09-14 Abdeslam El Harraj , Naoufal Raissouni

Image Anomaly Detection has been a challenging task in Computer Vision field. The advent of Vision-Language models, particularly the rise of CLIP-based frameworks, has opened new avenues for zero-shot anomaly detection. Recent studies have…

Computer Vision and Pattern Recognition · Computer Science 2024-05-09 Zhaoxiang Zhang , Hanqiu Deng , Jinan Bao , Xingyu Li

The purpose of this study is to investigate a method, using simulations, to improve contrast agent quantification in Dynamic Contrast Enhanced MRI. Bayesian hierarchical models (BHMs) are applied to smaller images ($10\times10\times10$)…

Applications · Statistics 2017-01-24 Jianfeng Wang , Anders Garpebring , Patrik Brynolfsson , Xijia Liu , Jun Yu

Medical vision-language alignment through cross-modal contrastive learning shows promising performance in image-text matching tasks, such as retrieval and zero-shot classification. However, conventional cross-modal contrastive learning…

Computer Vision and Pattern Recognition · Computer Science 2025-06-11 Chenyu Lian , Hong-Yu Zhou , Dongyun Liang , Jing Qin , Liansheng Wang

The adoption of contrast agents in medical imaging protocols is crucial for accurate and timely diagnosis. While highly effective and characterized by an excellent safety profile, the use of contrast agents has its limitation, including…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Davide Bianchi , Sonia Colombo Serra , Davide Evangelista , Pengpeng Luo , Elena Morotti , Giovanni Valbusa

By taking into account the properties and limitations of the human visual system, images can be more efficiently compressed, colors more accurately reproduced, prints better rendered. To show all these advantages in this paper new adapted…

Computer Vision and Pattern Recognition · Computer Science 2015-03-13 Jaswinder Singh Dilawari , Ravinder Khanna