English
Related papers

Related papers: Optimized Pap Smear Image Enhancement: Hybrid PMD …

200 papers

Contrastive Learning (CL) is a recent representation learning approach, which encourages inter-class separability and intra-class compactness in learned image representations. Since medical images often contain multiple semantic classes in…

Computer Vision and Pattern Recognition · Computer Science 2021-08-09 Prashant Pandey , Ajey Pai , Nisarg Bhatt , Prasenjit Das , Govind Makharia , Prathosh AP , Mausam

MRI (Magnetic Resonance Imaging) is a technique used to analyze and diagnose the problem defined by images like cancer or tumor in a brain. Physicians require good contrast images for better treatment purpose as it contains maximum…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Sakshi Patel , Bharath K P , Rajesh Kumar Muthu

Multi-beam ptychography (MBP) offers a scalable solution to improve the throughput of state-of-the-art ptychography by increasing the number of coherent beams that illuminate the sample simultaneously. However, increasing the number of…

Optics · Physics 2025-10-29 Runqing Yang , Pablo Villanueva-Perez , Maik Kahnt

Melanoma detection is vital for early diagnosis and effective treatment. While deep learning models on dermoscopic images have shown promise, they require specialized equipment, limiting their use in broader clinical settings. This study…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Volodymyr Sydorskyi , Igor Krashenyi , Oleksii Yakubenko

Lymphoma diagnosis, particularly distinguishing between subtypes, is critical for effective treatment but remains challenging due to the subtle morphological differences in histopathological images. This study presents a novel hybrid deep…

Image and Video Processing · Electrical Eng. & Systems 2024-10-10 Salah A. Aly , Ali Bakhiet , Mazen Balat

Recent advancements in deep learning-based interactive segmentation methods have significantly improved pathology image segmentation. Most existing approaches utilize user-provided positive and negative clicks to guide the segmentation…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Tiantong Wang , Minfan Zhao , Jun Shi , Hannan Wang , Yue Dai

This paper presents a new approach for contrast enhancement of spinal cord medical images based on multirate scheme incorporated into multiscale retinex algorithm. The proposed work here uses HSV color space, since HSV color space separates…

Computer Vision and Pattern Recognition · Computer Science 2014-08-14 Sreenivasa Setty , N. K Srinath , M. C Hanumantharaju

Parallel hole collimators which are currently routinely used in SPECT imaging were designed a few decades ago, when filtered backprojection (FBP) was used for tomographic reconstruction. Statistical reconstruction methods with precise…

Medical Physics · Physics 2018-07-02 Krzysztof Kacperski , Dominika Świtlik , Jakub Pietrzak

This paper focuses on finding the most optimal pre-processing methods considering three common algorithms for image enhancement: Brightening, CLAHE and Retinex. For the purpose of image training in general, these methods will be combined to…

Image and Video Processing · Electrical Eng. & Systems 2020-03-25 Thi Phuoc Hanh Nguyen , Zinan Cai , Khanh Nguyen , Sokuntheariddh Keth , Ningyuan Shen , Mira Park

In multimedia understanding tasks, corrupted samples pose a critical challenge, because when fed to machine learning models they lead to performance degradation. In the past, three groups of approaches have been proposed to handle noisy…

Computer Vision and Pattern Recognition · Computer Science 2024-03-01 Francesco Barbato , Umberto Michieli , Mehmet Kerim Yucel , Pietro Zanuttigh , Mete Ozay

Images captured in dusty environments suffering from poor visibility and quality. Enhancement of these images such as sand dust images plays a critical role in various atmospheric optics applications. In this work, proposed a new model…

Computer Vision and Pattern Recognition · Computer Science 2023-07-31 Ali Hakem Alsaeedi , Suha Mohammed Hadi , Yarub Alazzawi

Contrast-enhanced computed tomography (CECT) is the primary imaging technique that provides valuable spatial-temporal information about lesions, enabling the accurate diagnosis and subclassification of pancreatic tumors. However, the high…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Zhifang Gong , Shuo Gao , Ben Zhao , Yingjing Xu , Yijun Yang , Shenghong Ju , Guangquan Zhou

Measuring biodiversity is crucial for understanding ecosystem health. While prior works have developed machine learning models for taxonomic classification of photographic images and DNA separately, in this work, we introduce a multimodal…

Artificial Intelligence · Computer Science 2025-12-10 ZeMing Gong , Austin T. Wang , Xiaoliang Huo , Joakim Bruslund Haurum , Scott C. Lowe , Graham W. Taylor , Angel X. Chang

Contrast Enhanced Spectral Mammography (CESM) is a dual-energy mammographic imaging technique that first needs intravenously administration of an iodinated contrast medium; then, it collects both a low-energy image, comparable to standard…

Image and Video Processing · Electrical Eng. & Systems 2026-03-13 Aurora Rofena , Valerio Guarrasi , Marina Sarli , Claudia Lucia Piccolo , Matteo Sammarra , Bruno Beomonte Zobel , Paolo Soda

Laser-based lensless digital holographic microscopy (LDHM) is often spoiled by considerable coherent noise factor. We propose a novel LDHM method with significantly limited coherent artifacts, e.g., speckle noise and parasitic interference…

Imaging distributions of radioactive sources plays a substantial role in nuclear medicine as well as in monitoring nuclear waste and its deposit. Coded Aperture Imaging has been proposed as an alternative to parallel or pinhole collimators,…

Medical Physics · Physics 2023-01-12 T. Meißner , V. Rozhkov , J. Hesser , W. Nahm , N. Loew

In this work, we propose to use a local clustering approach based on the sparse solution technique to study the medical image, especially the lung cancer image classification task. We view images as the vertices in a weighted graph and the…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Jackson Hamel , Ming-Jun Lai , Zhaiming Shen , Ye Tian

Pansharpening techniques aim at fusing low-resolution multispectral (MS) images and high-resolution panchromatic (PAN) images to produce high-resolution MS images. Despite significant progress in the field, spectral and spatial distortions…

Computer Vision and Pattern Recognition · Computer Science 2019-03-15 Joan Duran , Antoni Buades

Regularized Maximum Likelihood (RML) techniques are a class of image synthesis methods that achieve better angular resolution and image fidelity than traditional methods like CLEAN for sub-mm interferometric observations. To identify best…

Image enhancement aims at improving the information content of original image for a specific purpose. This purpose could be for visual interpretation or for effective extraction of required details. Nevertheless, some acquired images are…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 E Onyedinma , I Onyenwe , H Inyiama