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Convolutional neural network (CNN), in particular the Unet, is a powerful method for medical image segmentation. To date Unet has demonstrated state-of-art performance in many complex medical image segmentation tasks, especially under the…

图像与视频处理 · 电气工程与系统科学 2019-10-31 Wenjun Yan , Yuanyuan Wang , Shengjia Gu , Lu Huang , Fuhua Yan , Liming Xia , Qian Tao

\emph{Objective and Impact Statement}. With the renaissance of deep learning, automatic diagnostic systems for computed tomography (CT) have achieved many successful applications. However, they are mostly attributed to careful expert…

计算机视觉与模式识别 · 计算机科学 2021-08-19 Penghua Zhai , Huaiwei Cong , Gangming Zhao , Chaowei Fang , Jinpeng Li , Ting Cai , Huiguang He

Automatic segmentation of medical images is a key step for diagnostic and interventional tasks. However, achieving this requires large amounts of annotated volumes, which can be tedious and time-consuming task for expert annotators. In this…

Significant advances have been made towards building accurate automatic segmentation systems for a variety of biomedical applications using machine learning. However, the performance of these systems often degrades when they are applied on…

Traditional deep learning (DL) approaches based on supervised learning paradigms require large amounts of annotated data that are rarely available in the medical domain. Unsupervised Out-of-distribution (OOD) detection is an alternative…

图像与视频处理 · 电气工程与系统科学 2023-08-15 Alvaro Fernandez-Quilez , Linas Vidziunas , Ørjan Kløvfjell Thoresen , Ketil Oppedal , Svein Reidar Kjosavik , Trygve Eftestøl

Deep learning-based analysis of high-frequency, high-resolution micro-ultrasound data shows great promise for prostate cancer detection. Previous approaches to analysis of ultrasound data largely follow a supervised learning paradigm.…

图像与视频处理 · 电气工程与系统科学 2022-11-02 Paul F. R. Wilson , Mahdi Gilany , Amoon Jamzad , Fahimeh Fooladgar , Minh Nguyen Nhat To , Brian Wodlinger , Purang Abolmaesumi , Parvin Mousavi

Objective: Surveillance imaging of chronic aortic diseases, such as dissections, relies on obtaining and comparing cross-sectional diameter measurements at predefined aortic landmarks, over time. Due to a lack of robust tools, the…

Despite the growing success of Convolution neural networks (CNN) in the recent past in the task of scene segmentation, the standard models lack some of the important features that might result in sub-optimal segmentation outputs. The widely…

计算机视觉与模式识别 · 计算机科学 2020-09-16 Soham Chattopadhyay , Hritam Basak

Background and Objective: Accurate and reliable segmentation of the prostate gland in MR images can support the clinical assessment of prostate cancer, as well as the planning and monitoring of focal and loco-regional therapeutic…

Automated segmentation can assist radiotherapy treatment planning by saving manual contouring efforts and reducing intra-observer and inter-observer variations. The recent development of deep learning approaches has revoluted medical data…

计算机视觉与模式识别 · 计算机科学 2021-09-14 Zhuangzhuang Zhang , Tianyu Zhao , Hiram Gay , Baozhou Sun , Weixiong Zhang

Collecting annotations from multiple independent sources could mitigate the impact of potential noises and biases from a single source, which is a common practice in medical image segmentation. Learning segmentation networks from…

图像与视频处理 · 电气工程与系统科学 2023-11-14 Yifeng Wang , Luyang Luo , Mingxiang Wu , Qiong Wang , Hao Chen

When developing deep neural networks for segmenting intraoperative ultrasound images, several practical issues are encountered frequently, such as the presence of ultrasound frames that do not contain regions of interest and the high…

The success of monocular depth estimation relies on large and diverse training sets. Due to the challenges associated with acquiring dense ground-truth depth across different environments at scale, a number of datasets with distinct…

计算机视觉与模式识别 · 计算机科学 2020-08-26 René Ranftl , Katrin Lasinger , David Hafner , Konrad Schindler , Vladlen Koltun

Medical image registration and segmentation are two of the most frequent tasks in medical image analysis. As these tasks are complementary and correlated, it would be beneficial to apply them simultaneously in a joint manner. In this paper,…

图像与视频处理 · 电气工程与系统科学 2021-05-06 Mohamed S. Elmahdy , Laurens Beljaards , Sahar Yousefi , Hessam Sokooti , Fons Verbeek , U. A. van der Heide , Marius Staring

Micro-ultrasound (micro-US) is a promising imaging technique for cancer detection and computer-assisted visualization. This study investigates prostate capsule segmentation using deep learning techniques from micro-US images, addressing the…

图像与视频处理 · 电气工程与系统科学 2025-09-22 Kaniz Fatema , Vaibhav Thakur , Emad A. Mohammed

Medical image segmentation models are often trained on curated datasets, leading to performance degradation when deployed in real-world clinical settings due to mismatches between training and test distributions. While data augmentation…

计算机视觉与模式识别 · 计算机科学 2025-05-16 Puru Vaish , Felix Meister , Tobias Heimann , Christoph Brune , Jelmer M. Wolterink

Various convolutional neural network (CNN) based concepts have been introduced for the prostate's automatic segmentation and its coarse subdivision into transition zone (TZ) and peripheral zone (PZ). However, when targeting a fine-grained…

图像与视频处理 · 电气工程与系统科学 2021-04-09 Anneke Meyer , Suhita Ghosh , Daniel Schindele , Martin Schostak , Sebastian Stober , Christian Hansen , Marko Rak

In the intelligent diagnosis of bimodal (gray-scale and contrast-enhanced) ultrasound videos, medical domain knowledge such as the way sonographers browse videos, the particular areas they emphasize, and the features they pay special…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Chengqian Zhao , Zhao Yao , Zhaoyu Hu , Yuanxin Xie , Yafang Zhang , Yuanyuan Wang , Shuo Li , Jianhua Zhou , Jianqiao Zhou , Yin Wang , Jinhua Yu

This paper introduces a network for volumetric segmentation that learns from sparsely annotated volumetric images. We outline two attractive use cases of this method: (1) In a semi-automated setup, the user annotates some slices in the…

计算机视觉与模式识别 · 计算机科学 2016-06-22 Özgün Çiçek , Ahmed Abdulkadir , Soeren S. Lienkamp , Thomas Brox , Olaf Ronneberger

Precise determination of target is an essential procedure in prostate interventions, such as the prostate biopsy, lesion detection and targeted therapy. However, the prostate delineation may be tough in some cases due to tissue ambiguity or…

图像与视频处理 · 电气工程与系统科学 2020-07-31 Chunxia Qin , Xiaojun Chen , Jocelyne Troccaz