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Accurate segmentation of organ at risk (OAR) play a critical role in the treatment planning of image guided radiation treatment of head and neck cancer. This segmentation task is challenging for both human and automatic algorithms because…

Computer Vision and Pattern Recognition · Computer Science 2019-10-14 Yueyue Wang , Liang Zhao , Zhijian Song , Manning Wang

It remains challenging to automatically segment kidneys in clinical ultrasound images due to the kidneys' varied shapes and image intensity distributions, although semi-automatic methods have achieved promising performance. In this study,…

Computer Vision and Pattern Recognition · Computer Science 2019-01-09 Shi Yin , Zhengqiang Zhang , Hongming Li , Qinmu Peng , Xinge You , Susan L. Furth , Gregory E. Tasian , Yong Fan

This paper proposes a 3D attention-based U-Net architecture for multi-region segmentation of brain tumors using a single stacked multi-modal volume created by combining three non-native MRI volumes. The attention mechanism added to the…

Image and Video Processing · Electrical Eng. & Systems 2023-05-11 Maryann M. Gitonga

Accurately segmenting brain tumors from MRI scans is important for developing effective treatment plans and improving patient outcomes. This study introduces a new implementation of the Columbia-University-Net (CU-Net) architecture for…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Qimin Zhang , Weiwei Qi , Huili Zheng , Xinyu Shen

Cancer of the brain is deadly and requires careful surgical segmentation. The brain tumors were segmented using U-Net using a Convolutional Neural Network (CNN). When looking for overlaps of necrotic, edematous, growing, and healthy tissue,…

Image and Video Processing · Electrical Eng. & Systems 2023-01-18 MD Abdullah Al Nasim , Abdullah Al Munem , Maksuda Islam , Md Aminul Haque Palash , MD. Mahim Anjum Haque , Faisal Muhammad Shah

Due to the fact that pancreas is an abdominal organ with very large variations in shape and size, automatic and accurate pancreas segmentation can be challenging for medical image analysis. In this work, we proposed a fully automated two…

Computer Vision and Pattern Recognition · Computer Science 2019-07-29 Ningning Zhao , Nuo Tong , Dan Ruan , Ke Sheng

Vessel segmentation and centerline extraction are two crucial preliminary tasks for many computer-aided diagnosis tools dealing with vascular diseases. Recently, deep-learning based methods have been widely applied to these tasks. However,…

Image and Video Processing · Electrical Eng. & Systems 2024-02-23 Pierre Rougé , Nicolas Passat , Odyssée Merveille

Automatic tumor or lesion segmentation is a crucial step in medical image analysis for computer-aided diagnosis. Although the existing methods based on Convolutional Neural Networks (CNNs) have achieved the state-of-the-art performance,…

Image and Video Processing · Electrical Eng. & Systems 2022-08-01 Shuchao Pang , Anan Du , Mehmet A. Orgun , Yan Wang , Quan Z. Sheng , Shoujin Wang , Xiaoshui Huang , Zhenmei Yu

Automatic segmentation of liver lesions is a fundamental requirement towards the creation of computer aided diagnosis (CAD) and decision support systems (CDS). Traditional segmentation approaches depend heavily upon hand-crafted features…

Computer Vision and Pattern Recognition · Computer Science 2017-05-23 Lei Bi , Jinman Kim , Ashnil Kumar , Dagan Feng

Purpose: To develop a deep network architecture that would achieve fully automated radiologist-level segmentation of cancers at breast MRI. Materials and Methods: In this retrospective study, 38229 examinations (composed of 64063 individual…

The morphometry of a kidney tumor revealed by contrast-enhanced Computed Tomography (CT) imaging is an important factor in clinical decision making surrounding the lesion's diagnosis and treatment. Quantitative study of the relationship…

Past few years have witnessed the prevalence of deep learning in many application scenarios, among which is medical image processing. Diagnosis and treatment of brain tumors requires an accurate and reliable segmentation of brain tumors as…

Image and Video Processing · Electrical Eng. & Systems 2020-05-26 Feifan Wang , Runzhou Jiang , Liqin Zheng , Chun Meng , Bharat Biswal

Automatic liver lesion segmentation is a challenging task while having a significant impact on assisting medical professionals in the designing of effective treatment and planning proper care. In this paper we propose a cascaded system that…

Image and Video Processing · Electrical Eng. & Systems 2020-05-26 Raunak Dey , Yi Hong

We propose a novel procedure to improve liver and lesion segmentation from CT scans for U-Net based models. Our method extends standard segmentation pipelines to focus on higher target recall or reduction of noisy false-positive…

Image and Video Processing · Electrical Eng. & Systems 2020-03-13 Karsten Roth , Jürgen Hesser , Tomasz Konopczyński

It is a challenge to segment the location and size of rectal cancer tumours through deep learning. In this paper, in order to improve the ability of extracting suffi-cient feature information in rectal tumour segmentation, attention…

Image and Video Processing · Electrical Eng. & Systems 2022-10-28 Hongwei Wu , Junlin Wang , Xin Wang , Hui Nan , Yaxin Wang , Haonan Jing , Kaixuan Shi

In this paper, we introduce a conceptually simple network for generating discriminative tissue-level segmentation masks for the purpose of breast cancer diagnosis. Our method efficiently segments different types of tissues in breast biopsy…

Computer Vision and Pattern Recognition · Computer Science 2018-06-06 Sachin Mehta , Ezgi Mercan , Jamen Bartlett , Donald Weave , Joann G. Elmore , Linda Shapiro

U-net is an image segmentation technique developed primarily for medical image analysis that can precisely segment images using a scarce amount of training data. These traits provide U-net with a very high utility within the medical imaging…

Image and Video Processing · Electrical Eng. & Systems 2021-06-10 Nahian Siddique , Paheding Sidike , Colin Elkin , Vijay Devabhaktuni

The need for CT scan analysis is growing for pre-diagnosis and therapy of abdominal organs. Automatic organ segmentation of abdominal CT scan can help radiologists analyze the scans faster and segment organ images with fewer errors.…

Computer Vision and Pattern Recognition · Computer Science 2018-03-06 Shima Rafiei , Ebrahim Nasr-Esfahani , S. M. Reza Soroushmehr , Nader Karimi , Shadrokh Samavi , Kayvan Najarian

Liver tumor segmentation in CT images is a critical step in the diagnosis, surgical planning and postoperative evaluation of liver disease. An automatic liver and tumor segmentation method can greatly relieve physicians of the heavy…

Image and Video Processing · Electrical Eng. & Systems 2022-11-16 Jiahao Cui , Ruoxin Xiao , Shiyuan Fang , Minnan Pei , Yixuan Yu

Liver lesion segmentation is an important step for liver cancer diagnosis, treatment planning and treatment evaluation. LiTS (Liver Tumor Segmentation Challenge) provides a common testbed for comparing different automatic liver lesion…

Computer Vision and Pattern Recognition · Computer Science 2017-07-05 Xiao Han