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In brain tumor diagnosis and surgical planning, segmentation of tumor regions and accurate analysis of surrounding normal tissues are necessary for physicians. Pathological variability often renders difficulty to register a well-labeled…

Image and Video Processing · Electrical Eng. & Systems 2020-07-13 Zhongqiang Liu

Image segmentation techniques are predominately based on parameter-laden optimization. The objective function typically involves weights for balancing competing image fidelity and segmentation regularization cost terms. Setting these…

Computer Vision and Pattern Recognition · Computer Science 2009-06-24 Josna Rao , Ghassan Hamarneh , Rafeef Abugharbieh

Deep metric learning applied to various applications has shown promising results in identification, retrieval and recognition. Existing methods often do not consider different granularity in visual similarity. However, in many domain…

Computer Vision and Pattern Recognition · Computer Science 2021-05-17 Dipu Manandhar , Muhammet Bastan , Kim-Hui Yap

Gliomas are the most prevalent type of primary brain tumors, and their accurate segmentation from MRI is critical for diagnosis, treatment planning, and longitudinal monitoring. However, the scarcity of high-quality annotated imaging data…

The performance of medical image segmentation is increasingly defined by the efficiency of data utilization rather than merely the volume of raw data. Accurate segmentation, particularly for complex pathologies like meningiomas, demands…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Yunhao Xu , Fuquan Zong , Yexuan Xing , Chulong Zhang , Guang Yang , Shilong Yang , Xiaokun Liang , Juan Yu

In medical imaging it is common practice to acquire a wide range of modalities (MRI, CT, PET, etc.), to highlight different structures or pathologies. As patient movement between scans or scanning session is unavoidable, registration is…

Image and Video Processing · Electrical Eng. & Systems 2021-05-10 Mikael Brudfors , Yaël Balbastre , John Ashburner

Image Registration (IR) is the process of aligning two (or more) images of the same scene taken at different times, different viewpoints and/or by different sensors. It is an important, crucial step in various image analysis tasks where…

Computer Vision and Pattern Recognition · Computer Science 2017-11-21 Sarit Chicotay , Eli David , Nathan S. Netanyahu

Joint image registration and segmentation has long been an active area of research in medical imaging. Here, we reformulate this problem in a deep learning setting using adversarial learning. We consider the case in which fixed and moving…

Image and Video Processing · Electrical Eng. & Systems 2019-07-01 Mohamed S. Elmahdy , Jelmer M. Wolterink , Hessam Sokooti , Ivana Išgum , Marius Staring

Computerized registration between maxillofacial cone-beam computed tomography (CT) images and a scanned dental model is an essential prerequisite in surgical planning for dental implants or orthognathic surgery. We propose a novel method…

Computer Vision and Pattern Recognition · Computer Science 2021-01-26 Minyoung Chung , Jingyu Lee , Wisoo Song , Youngchan Song , Il-Hyung Yang , Jeongjin Lee , Yeong-Gil Shin

Object segmentation plays an important role in the modern medical image analysis, which benefits clinical study, disease diagnosis, and surgery planning. Given the various modalities of medical images, the automated or semi-automated…

Image and Video Processing · Electrical Eng. & Systems 2020-06-01 Dong Yang , Holger Roth , Xiaosong Wang , Ziyue Xu , Andriy Myronenko , Daguang Xu

Images from Positron Emission Tomography (PET) deliver functional data such as perfusion and metabolism. On the other hand, images from Magnetic Resonance Imaging (MRI) provide information describing anatomical structures. Fusing the…

Image and Video Processing · Electrical Eng. & Systems 2018-06-19 Hiliwi Leake Kidane , Stephanie Bricq , Alain Lalande

This paper proposes a new end-to-end trainable model for lossy image compression, which includes several novel components. The method incorporates 1) an adequate perceptual similarity metric; 2) saliency in the images; 3) a hierarchical…

Image and Video Processing · Electrical Eng. & Systems 2020-11-10 Yash Patel , Srikar Appalaraju , R. Manmatha

Medical image registration is a critical task that estimates the spatial correspondence between pairs of images. However, current traditional and deep-learning-based methods rely on similarity measures to generate a deforming field, which…

Image and Video Processing · Electrical Eng. & Systems 2024-05-13 Qihua Dong , Hao Du , Ying Song , Yan Xu , Jing Liao

Medical image registration is a challenging task involving the estimation of spatial transformations to establish anatomical correspondence between pairs or groups of images. Recently, deep learning-based image registration methods have…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Xiang Chen , Yan Xia , Nishant Ravikumar , Alejandro F Frangi

In this paper, we propose a novel method for image fusion with a high-resolution panchromatic image and a low-resolution multispectral image at the same geographical location. The fusion is formulated as a convex optimization problem which…

Computer Vision and Pattern Recognition · Computer Science 2015-10-28 Chen Chen , Yeqing Li , Wei Liu , Junzhou Huang

The ability to adapt medical image segmentation networks for a novel class such as an unseen anatomical or pathological structure, when only a few labelled examples of this class are available from local healthcare providers, is…

Image and Video Processing · Electrical Eng. & Systems 2022-01-19 Yiwen Li , Yunguan Fu , Qianye Yang , Zhe Min , Wen Yan , Henkjan Huisman , Dean Barratt , Victor Adrian Prisacariu , Yipeng Hu

Image registration between histology and magnetic resonance imaging (MRI) is a challenging task due to differences in structural content and contrast. Too thick and wide specimens cannot be processed all at once and must be cut into smaller…

Computer Vision and Pattern Recognition · Computer Science 2017-08-29 Jonas Pichat , Juan Eugenio Iglesias , Sotiris Nousias , Tarek Yousry , Sebastien Ourselin , Marc Modat

Radiological imaging of prostate is becoming more popular among researchers and clinicians in searching for diseases, primarily cancer. Scans might be acquired at different times, with patient movement between scans, or with different…

Computer Vision and Pattern Recognition · Computer Science 2013-11-05 Xin Zhao , Arie Kaufman

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

Stereo matching is one of the widely used techniques for inferring depth from stereo images owing to its robustness and speed. It has become one of the major topics of research since it finds its applications in autonomous driving, robotic…

Computer Vision and Pattern Recognition · Computer Science 2021-09-22 Viny Saajan Victor , Peter Neigel