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We propose a computationally efficient architecture that learns to segment lesions from CT images of the liver. The proposed architecture uses bilinear interpolation with sub-pixel convolution at the last layer to upscale the course feature…

计算机视觉与模式识别 · 计算机科学 2018-05-24 Ram Krishna Pandey , Aswin Vasan , A G Ramakrishnan

This study proposes an automatic technique for liver segmentation in computed tomography (CT) images. Localization of the liver volume is based on the correlation with an optimized set of liver templates developed by the authors that allows…

图像与视频处理 · 电气工程与系统科学 2020-01-01 N. S. Kulberg , A. B. Elizarov , V. P. Novik , V. A. Gombolevsky , A. P. Gonchar , A. L. Alliua , V. Yu. Bosin , A. V. Vladzymyrsky , S. P. Morozov

A two-step concept for 3D segmentation on 5 abdominal organs inside volumetric CT images is presented. First each relevant organ's volume of interest is extracted as bounding box. The extracted volume acts as input for a second stage,…

图像与视频处理 · 电气工程与系统科学 2021-07-12 Nico Zettler , Andre Mastmeyer

Radiological imaging offers effective measurement of anatomy, which is useful in disease diagnosis and assessment. Previous study has shown that the left atrial wall remodeling can provide information to predict treatment outcome in atrial…

计算机视觉与模式识别 · 计算机科学 2018-12-07 Shuman Jia , Antoine Despinasse , Zihao Wang , Hervé Delingette , Xavier Pennec , Pierre Jaïs , Hubert Cochet , Maxime Sermesant

Renal tumors, especially renal cell carcinoma (RCC), show significant heterogeneity, posing challenges for diagnosis using radiology images such as MRI, echocardiograms, and CT scans. U-Net based deep learning techniques are emerging as a…

人工智能 · 计算机科学 2024-10-23 Fnu Neha , Arvind K. Bansal

We present a fully automatic method employing convolutional neural networks based on the 2D U-net architecture and random forest classifier to solve the automatic liver lesion segmentation problem of the ISBI 2017 Liver Tumor Segmentation…

计算机视觉与模式识别 · 计算机科学 2017-06-28 Grzegorz Chlebus , Hans Meine , Jan Hendrik Moltz , Andrea Schenk

Accurate segmentation of kidneys and kidney tumors is an essential step for radiomic analysis as well as developing advanced surgical planning techniques. In clinical analysis, the segmentation is currently performed by clinicians from the…

图像与视频处理 · 电气工程与系统科学 2020-06-05 Wenshuai Zhao , Dihong Jiang , Jorge Peña Queralta , Tomi Westerlund

Introduction: Accurate intraoperative delineation of colorectal liver metastases (CRLM) is crucial for achieving negative resection margins but remains challenging using intraoperative ultrasound (iUS) due to low contrast, noise, and…

计算机视觉与模式识别 · 计算机科学 2025-11-10 Tiziano Natali , Karin A. Olthof , Niels F. M. Kok , Koert F. D. Kuhlmann , Theo J. M. Ruers , Matteo Fusaglia

This work explores a hybrid approach to segmentation as an alternative to a purely data-driven approach. We introduce an end-to-end U-Net based network called DU-Net, which uses additional frequency preserving features, namely the…

图像与视频处理 · 电气工程与系统科学 2020-04-16 Alakh Desai , Ruchi Chauhan , Jayanthi Sivaswamy

Accurate segmentation of anatomical structures in chest radiographs is essential for many computer-aided diagnosis tasks. In this paper we investigate the latest fully-convolutional architectures for the task of multi-class segmentation of…

计算机视觉与模式识别 · 计算机科学 2018-10-05 Maayan Frid-Adar , Avi Ben-Cohen , Rula Amer , Hayit Greenspan

Automated segmentation tools often encounter accuracy and adaptability issues when applied to images of different pathology. The purpose of this study is to explore the feasibility of building a workflow to efficiently route images to…

Ultrasound (US) is a critical modality for diagnosing liver fibrosis. Unfortunately, assessment is very subjective, motivating automated approaches. We introduce a principled deep convolutional neural network (CNN) workflow that…

图像与视频处理 · 电气工程与系统科学 2020-08-11 Bowen Li , Ke Yan , Dar-In Tai , Yuankai Huo , Le Lu , Jing Xiao , Adam P. Harrison

We present an automatic COVID1-19 diagnosis framework from lung CT images. The focus is on signal processing and classification on small datasets with efforts putting into exploring data preparation and augmentation to improve the…

图像与视频处理 · 电气工程与系统科学 2021-10-01 Weijun Tan , Hongwei Guo

Accurately segmenting different organs from medical images is a critical prerequisite for computer-assisted diagnosis and intervention planning. This study proposes a deep learning-based approach for segmenting various organs from CT and…

Liver lesion segmentation is a difficult yet critical task for medical image analysis. Recently, deep learning based image segmentation methods have achieved promising performance, which can be divided into three categories: 2D, 2.5D and…

计算机视觉与模式识别 · 计算机科学 2019-03-29 Xueying Chen , Rong Zhang , Pingkun Yan

Precision therapy for liver cancer necessitates accurately delineating liver sub-regions to protect healthy tissue while targeting tumors, which is essential for reducing recurrence and improving survival rates. However, the segmentation of…

图像与视频处理 · 电气工程与系统科学 2024-11-06 Liang Qiu , Wenhao Chi , Xiaohan Xing , Praveenbalaji Rajendran , Mingjie Li , Yuming Jiang , Oscar Pastor-Serrano , Sen Yang , Xiyue Wang , Yuanfeng Ji , Qiang Wen

Primary tumors have a high likelihood of developing metastases in the liver and early detection of these metastases is crucial for patient outcome. We propose a method based on convolutional neural networks (CNN) to detect liver metastases.…

图像与视频处理 · 电气工程与系统科学 2019-10-16 Mariëlle J. A. Jansen , Hugo J. Kuijf , Maarten Niekel , Wouter B. Veldhuis , Frank J. Wessels , Max A. Viergever , Josien P. W. Pluim

In this paper we propose a fully automatic 2-stage cascaded approach for segmentation of liver and its tumors in CT (Computed Tomography) images using densely connected fully convolutional neural network (DenseNet). We independently train…

计算机视觉与模式识别 · 计算机科学 2018-02-08 Krishna Chaitanya Kaluva , Mahendra Khened , Avinash Kori , Ganapathy Krishnamurthi

Automatic segmentation of the liver and its lesion is an important step towards deriving quantitative biomarkers for accurate clinical diagnosis and computer-aided decision support systems. This paper presents a method to automatically…

The coronavirus disease 2019 (COVID-19) affects billions of lives around the world and has a significant impact on public healthcare. Due to rising skepticism towards the sensitivity of RT-PCR as screening method, medical imaging like…

图像与视频处理 · 电气工程与系统科学 2022-04-14 Dominik Müller , Iñaki Soto Rey , Frank Kramer