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Automated noninvasive cardiac diagnosis plays a critical role in the early detection of cardiac disorders and cost-effective clinical management. Automated diagnosis involves the automated segmentation and analysis of cardiac images.…

Image and Video Processing · Electrical Eng. & Systems 2025-04-21 Racheal Mukisa , Arvind K. Bansal

The effects of the aortic geometry on its mechanics and blood flow, and subsequently on aortic pathologies, remain largely unexplored. The main obstacle lies in obtaining patient-specific aorta models, an extremely difficult procedure in…

Diagnostic investigation has an important role in risk stratification and clinical decision making of patients with suspected and documented Coronary Artery Disease (CAD). However, the majority of existing tools are primarily focused on the…

The exact shape of intracranial aneurysms is critical in medical diagnosis and surgical planning. While voxel-based deep learning frameworks have been proposed for this segmentation task, their performance remains limited. In this study, we…

Image and Video Processing · Electrical Eng. & Systems 2021-07-06 Xi Yang , Ding Xia , Taichi Kin , Takeo Igarashi

The success rate of catheterization procedures is closely linked to the sensory data provided to the surgeon. Vision-based deep learning models can deliver both tactile and visual information in a sensor-free manner, while also being…

Image and Video Processing · Electrical Eng. & Systems 2025-01-03 Pedram Fekri , Mehrdad Zadeh , Javad Dargahi

Machine-learning algorithms offer immense possibilities in the development of several cognitive applications. In fact, large scale machine-learning classifiers now represent the state-of-the-art in a wide range of object…

Computer Vision and Pattern Recognition · Computer Science 2016-09-21 Priyadarshini Panda , Swagath Venkataramani , Abhronil Sengupta , Anand Raghunathan , Kaushik Roy

Existing alignment techniques for Large Language Models (LLMs), such as Direct Preference Optimization (DPO), typically treat the model as a monolithic entity, applying uniform optimization pressure across all layers. This approach…

Computation and Language · Computer Science 2025-10-15 Yukun Zhang , Qi Dong

Pathological alterations in the human vascular system underlie many chronic diseases, such as atherosclerosis and aneurysms. However, manually analyzing diagnostic images of the vascular system, such as computed tomographic angiograms…

Image and Video Processing · Electrical Eng. & Systems 2023-11-29 Alireza Bagheri Rajeoni , Breanna Pederson , Ali Firooz , Hamed Abdollahi , Andrew K. Smith , Daniel G. Clair , Susan M. Lessner , Homayoun Valafar

The success of deep convolutional neural networks on image classification and recognition tasks has led to new applications in very diversified contexts, including the field of medical imaging. In this paper we investigate and propose…

Computer Vision and Pattern Recognition · Computer Science 2018-02-14 Alexey A. Novikov , Dimitrios Lenis , David Major , Jiri Hladůvka , Maria Wimmer , Katja Bühler

Deep convolutional neural networks (CNNs) have shown excellent performance in object recognition tasks and dense classification problems such as semantic segmentation. However, training deep neural networks on large and sparse datasets is…

Computer Vision and Pattern Recognition · Computer Science 2017-12-25 Lorenz Berger , Eoin Hyde , M. Jorge Cardoso , Sebastien Ourselin

Deep neural networks are typically trained in a single shot for a specific task and data distribution, but in real world settings both the task and the domain of application can change. The problem becomes even more challenging in dense…

Computer Vision and Pattern Recognition · Computer Science 2022-06-29 Donald Shenaj , Francesco Barbato , Umberto Michieli , Pietro Zanuttigh

In computer-assisted surgery, automatically recognizing anatomical organs is crucial for understanding the surgical scene and providing intraoperative assistance. While machine learning models can identify such structures, their deployment…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Danush Kumar Venkatesh , Dominik Rivoir , Micha Pfeiffer , Fiona Kolbinger , Stefanie Speidel

Segmentation of the main coronary artery from X-ray coronary angiography (XCA) sequences is crucial for the diagnosis of coronary artery diseases. However, this task is challenging due to issues such as blurred boundaries, inconsistent…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Yu Luo , Guangyu Wei , Yangfan Li , Jieyu He , Yueming Lyu

Cardiac segmentation of atriums, ventricles, and myocardium in computed tomography (CT) images is an important first-line task for presymptomatic cardiovascular disease diagnosis. In several recent studies, deep learning models have shown…

Image and Video Processing · Electrical Eng. & Systems 2024-10-01 Sanguk Park , Minyoung Chung

Safety-critical applications such as autonomous driving require robust 3D environment perception algorithms capable of handling diverse and ambiguous surroundings. The predictive performance of classification models is heavily influenced by…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Mariella Dreissig , Simon Ruehle , Florian Piewak , Joschka Boedecker

Most curriculum learning methods require an approach to sort the data samples by difficulty, which is often cumbersome to perform. In this work, we propose a novel curriculum learning approach termed Learning Rate Curriculum (LeRaC), which…

Machine Learning · Computer Science 2024-07-23 Florinel-Alin Croitoru , Nicolae-Catalin Ristea , Radu Tudor Ionescu , Nicu Sebe

Purposes: This study aimed to develop a computed tomography (CT)-based multi-organ segmentation model for delineating organs-at-risk (OARs) in pediatric upper abdominal tumors and evaluate its robustness across multiple datasets. Materials…

Semantic segmentation and stereo matching, respectively analogous to the ventral and dorsal streams in our human brain, are two key components of autonomous driving perception systems. Addressing these two tasks with separate networks is no…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Guanfeng Tang , Zhiyuan Wu , Jiahang Li , Ping Zhong , We Ye , Xieyuanli Chen , Huiming Lu , Rui Fan

BACKGROUND AND PURPOSE: Cerebral aneurysm is one of the most common cerebrovascular diseases, and SAH caused by its rupture has a very high mortality and disability rate. Existing automatic segmentation methods based on DLMs with TOF-MRA…

Image and Video Processing · Electrical Eng. & Systems 2021-10-27 Meng Chen , Chen Geng , Dongdong Wang , Jiajun Zhang , Ruoyu Di , Fengmei Li , Zhiyong Zhou , Sirong Piao , Yuxin Li , Yaikang Dai

Many deep learning based automated medical image segmentation systems, in reality, face difficulties in deployment due to the cost of massive data annotation and high latency in model iteration. We propose a dynamic interactive learning…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Mu Tian , Xiaohui Chen , Yi Gao