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MRI-Linac systems require fast image reconstruction with high geometric fidelity to localize and track tumours for radiotherapy treatments. However, B0 field inhomogeneity distortions and slow MR acquisition potentially limit the quality of…

With nearly one million new cases diagnosed worldwide in 2020, head \& neck cancer is a deadly and common malignity. There are challenges to decision making and treatment of such cancer, due to lesions in multiple locations and outcome…

Image and Video Processing · Electrical Eng. & Systems 2023-05-17 Angel Victor Juanco Muller , Joao F. C. Mota , Keith A. Goatman , Corne Hoogendoorn

Magnetic Resonance Imaging (MRI) is an important diagnostic tool for precise detection of various pathologies. Magnetic Resonance (MR) is more preferred than Computed Tomography (CT) due to the high resolution in MR images which help in…

Computer Vision and Pattern Recognition · Computer Science 2017-11-01 Pranay Manocha , Snehal Bhasme , Tanvi Gupta , BK Panigrahi , Tapan K. Gandhi

The diagnosis and segmentation of tumors using any medical diagnostic tool can be challenging due to the varying nature of this pathology. Magnetic Reso- nance Imaging (MRI) is an established diagnostic tool for various diseases and…

Computer Vision and Pattern Recognition · Computer Science 2017-11-01 Tanvi Gupta , Pranay Manocha , Tapan K. Gandhi , RK Gupta , BK Panigrahi

Purpose: Accurate tumor segmentation is vital for adaptive radiation therapy (ART) but remains time-consuming and user-dependent. Segment Anything Model 2 (SAM2) shows promise for prompt-based segmentation but struggles with tumor accuracy.…

Image and Video Processing · Electrical Eng. & Systems 2025-07-28 Guoping Xu , Yan Dai , Hengrui Zhao , Ying Zhang , Jie Deng , Weiguo Lu , You Zhang

Cancer detection and classification from gigapixel whole slide images of stained tissue specimens has recently experienced enormous progress in computational histopathology. The limitation of available pixel-wise annotated scans shifted the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Mehdi Naouar , Gabriel Kalweit , Ignacio Mastroleo , Philipp Poxleitner , Marc Metzger , Joschka Boedecker , Maria Kalweit

A standard treatment protocol for breast cancer entails administering neoadjuvant therapy followed by surgical removal of the tumor and surrounding tissue. Pathologists typically rely on cabinet X-ray radiographs, known as Faxitron, to…

Image and Video Processing · Electrical Eng. & Systems 2024-01-19 Negar Golestani , Aihui Wang , Gregory R Bean , Mirabela Rusu

Artifacts on magnetic resonance scans are a serious challenge for both radiologists and computer-aided diagnosis systems. Most commonly, artifacts are caused by motion of the patients, but can also arise from device-specific abnormalities…

Image and Video Processing · Electrical Eng. & Systems 2022-10-18 Lennart Alexander Van der Goten , Kevin Smith

Visual localization is crucial for Computer Vision and Augmented Reality (AR) applications, where determining the camera or device's position and orientation is essential to accurately interact with the physical environment. Traditional…

Robotics · Computer Science 2025-01-22 Albert Gassol Puigjaner , Irvin Aloise , Patrik Schmuck

Magnetic resonance (MR) images exhibit various contrasts and appearances based on factors such as different acquisition protocols, views, manufacturers, scanning parameters, etc. This generally accessible appearance-related side information…

Image and Video Processing · Electrical Eng. & Systems 2022-03-08 Xinwen Liu , Jing Wang , Cheng Peng , Shekhar S. Chandra , Feng Liu , S. Kevin Zhou

One of the primary challenges in brain tumor segmentation arises from the uncertainty of voxels close to tumor boundaries. However, the conventional process of generating ground truth segmentation masks fails to treat such uncertainties…

Computer Vision and Pattern Recognition · Computer Science 2024-08-23 Trung Dang , Huy Hoang Nguyen , Aleksei Tiulpin

Over half a million individuals are diagnosed with head and neck cancer each year worldwide. Radiotherapy is an important curative treatment for this disease, but it requires manual time consuming delineation of radio-sensitive organs at…

MRI-guidance techniques that dynamically adapt radiation beams to follow tumor motion in real-time will lead to more accurate cancer treatments and reduced collateral healthy tissue damage. The gold-standard for reconstruction of…

Accurate volumetric characterization of lesions is essential for oncologic diagnosis, risk stratification, and treatment planning. While imaging modalities such as Computed Tomography provide high-quality 3D data, 2D ultrasound (2D-US)…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Kian Wei Ng , Yujia Gao , Deborah Khoo , Ying Zhen Tan , Chengzheng Mao , Haojie Cheng , Andrew Makmur , Kee Yuan Ngiam , Serene Goh , Eng Tat Khoo

Objective:To develop a no-reference image quality assessment method using automated distortion recognition to boost MRI-guided radiotherapy precision.Methods:We analyzed 106,000 MR images from 10 patients with liver metastasis,captured with…

Image and Video Processing · Electrical Eng. & Systems 2024-12-11 Zilin Wang , Shengqi Chen , Jianrong Dai , Shirui Qin , Ying Cao , Ruiao Zhao , Guohua Wu , Yuan Tang , Jiayun Chen

In this work, we develop a novel technique for reconstructing images from projection-based nano- and microtomography. Our contribution focuses on enhancing reconstruction quality, particularly for specimen composed of homogeneous material…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Anuraag Mishra , Andrea Gilch , Benjamin Apeleo Zubiri , Jan Rolfes , Frauke Liers

Locoregional recurrences (LRR) are still a frequent site of treatment failure for head and neck squamous cell carcinoma (HNSCC) patients. Identification of high risk subvolumes based on pretreatment imaging is key to biologically targeted…

The accurate classification of brain tumors from MRI scans is essential for effective diagnosis and treatment planning. This paper presents a weighted ensemble learning approach that combines deep learning and traditional machine learning…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Ha Anh Vu

Computer-assisted diagnosis (CAD) based on deep learning has become a crucial diagnostic technology in the medical industry, effectively improving diagnosis accuracy. However, the scarcity of brain tumor Magnetic Resonance (MR) image…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Panjian Huang , Xu Liu , Yongzhen Huang

Homologous anatomical landmarks between medical scans are instrumental in quantitative assessment of image registration quality in various clinical applications, such as MRI-ultrasound registration for tissue shift correction in…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Soorena Salari , Amirhossein Rasoulian , Hassan Rivaz , Yiming Xiao