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Segmentation is a fundamental task in medical image analysis. However, most existing methods focus on primary region extraction and ignore edge information, which is useful for obtaining accurate segmentation. In this paper, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2019-07-26 Zhijie Zhang , Huazhu Fu , Hang Dai , Jianbing Shen , Yanwei Pang , Ling Shao

We propose a method to restore and to segment simultaneously images degraded by a known point spread function (PSF) and additive white noise. For this purpose, we propose a joint Bayesian estimation framework, where a family of…

Data Analysis, Statistics and Probability · Physics 2015-05-13 Hacheme Ayasso , Ali Mohammad-Djafari

Semantic segmentation stands as a pivotal research focus in computer vision. In the context of industrial image inspection, conventional semantic segmentation models fail to maintain the segmentation consistency of fixed components across…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Guoxuan Mao , Ting Cao , Ziyang Li , Yuan Dong

Parametric imaging is a compartmental approach that processes nuclear imaging data to estimate the spatial distribution of the kinetic parameters governing tracer flow. The present paper proposes a novel and efficient computational method…

Numerical Analysis · Mathematics 2018-08-21 Mara Scussolini , Sara Garbarino , Gianmario Sambuceti , Giacomo Caviglia , Michele Piana

The annotation of patient organs is a crucial part of various diagnostic and treatment procedures, such as radiotherapy planning. Manual annotation is extremely time-consuming, while its automation using modern image analysis techniques has…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Leila Khaertdinova , Ilya Pershin , Tatiana Shmykova , Bulat Ibragimov

Segmenting muscle compartments and measuring their architecture can facilitate movement function assessment, accurate musculoskeletal modeling, and synergy-based electromyogram simulation. Here, we presented a novel method for volumetric…

Image and Video Processing · Electrical Eng. & Systems 2025-07-02 Yang Li

Spine-related diseases have high morbidity and cause a huge burden of social cost. Spine imaging is an essential tool for noninvasively visualizing and assessing spinal pathology. Segmenting vertebrae in computed tomography (CT) images is…

Image and Video Processing · Electrical Eng. & Systems 2024-10-04 Yang Deng , Ce Wang , Yuan Hui , Qian Li , Jun Li , Shiwei Luo , Mengke Sun , Quan Quan , Shuxin Yang , You Hao , Pengbo Liu , Honghu Xiao , Chunpeng Zhao , Xinbao Wu , S. Kevin Zhou

Objective: State of the art navigation systems for pelvic osteotomies use optical systems with external fiducials. We propose the use of X-Ray navigation for pose estimation of periacetabular fragments without fiducials. Methods: A 2D/3D…

Computer Vision and Pattern Recognition · Computer Science 2020-05-04 Robert B. Grupp , Rachel A. Hegeman , Ryan J. Murphy , Clayton P. Alexander , Yoshito Otake , Benjamin A. McArthur , Mehran Armand , Russell H. Taylor

Intra-operative ultrasound is an increasingly important imaging modality in neurosurgery. However, manual interaction with imaging data during the procedures, for example to select landmarks or perform segmentation, is difficult and can be…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Julia Rackerseder , Rüdiger Göbl , Nassir Navab , Christoph Hennersperger

Purpose: Accurate segmentation of both the pituitary gland and adenomas from magnetic resonance imaging (MRI) is essential for diagnosis and treatment of pituitary adenomas. This systematic review evaluates automatic segmentation methods…

Image and Video Processing · Electrical Eng. & Systems 2025-06-25 Mubaraq Yakubu , Navodini Wijethilake , Jonathan Shapey , Andrew King , Alexander Hammers

Automatic fetal brain tissue segmentation can enhance the quantitative assessment of brain development at this critical stage. Deep learning methods represent the state of the art in medical image segmentation and have also achieved…

Image and Video Processing · Electrical Eng. & Systems 2023-01-05 Davood Karimi , Caitlin K. Rollins , Clemente Velasco-Annis , Abdelhakim Ouaalam , Ali Gholipour

Advances in image registration and machine learning have recently enabled volumetric analysis of postmortem brain tissue from conventional photographs of coronal slabs, which are routinely collected in brain banks and neuropathology…

Accurate medical image segmentation is critical for disease quantification and treatment evaluation. While traditional Unet architectures and their transformer-integrated variants excel in automated segmentation tasks. However, they lack…

Image and Video Processing · Electrical Eng. & Systems 2025-06-09 Guanqun Sun , Yizhi Pan , Weikun Kong , Zichang Xu , Jianhua Ma , Teeradaj Racharak , Le-Minh Nguyen , Junyi Xin

Synthetic PET images are valuable for quantitative imaging workflow development, scalable virtual imaging trials, and deep learning model training, but conventional physics-based simulation approaches are computationally intensive, limited…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Suya Li , Kaushik Dutta , Debojyoti Pal , Jingqin Luo , Kooresh I. Shoghi

The advancement of medical image segmentation techniques has been propelled by the adoption of deep learning techniques, particularly UNet-based approaches, which exploit semantic information to improve the accuracy of segmentations.…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Ranmin Wang , Limin Zhuang , Hongkun Chen , Boyan Xu , Ruichu Cai

MR images of the fetus allow non-invasive analysis of the fetal brain. Quantitative analysis of fetal brain development requires automatic brain tissue segmentation that is typically preceded by segmentation of the intracranial volume…

Computer Vision and Pattern Recognition · Computer Science 2017-08-09 N. Khalili , P. Moeskops , N. H. P. Claessens , S. Scherpenzeel , E. Turk , R. de Heus , M. J. N. L. Benders , M. A. Viergever , J. P. W. Pluim , I. Išgum

Background and objective: Medical image segmentation is a core task in various clinical applications. However, acquiring large-scale, fully annotated medical image datasets is both time-consuming and costly. Scribble annotations, as a form…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Peilin Zhang , Shaouxan Wua , Jun Feng , Zhuo Jin , Zhizezhang Gao , Jingkun Chen , Yaqiong Xing , Xiao Zhang

Deep learning-based nuclei segmentation and classification in pathology images typically rely on large-scale pixel-level manual annotations, which are costly and difficult to obtain across diverse tissues and staining conditions. To address…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Kazuya Nishimura , Ryoma Bise , Haruka Hirose , Yasuhiro Kojima

Tumor detection in biomedical imaging is a time-consuming process for medical professionals and is not without errors. Thus in recent decades, researchers have developed algorithmic techniques for image processing using a wide variety of…

Computer Vision and Pattern Recognition · Computer Science 2018-09-17 Laramie Paxton , Yufeng Cao , Kevin R. Vixie , Yuan Wang , Brian Hobbs , Chaan Ng

We present a method for automated segmentation of the vasculature in retinal images. The method produces segmentations by classifying each image pixel as vessel or non-vessel, based on the pixel's feature vector. Feature vectors are…

Computer Vision and Pattern Recognition · Computer Science 2007-05-23 João V. B. Soares , Jorge J. G. Leandro , Roberto M. Cesar , Herbert F. Jelinek , Michael J. Cree