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Automatic segmentation of hepatic lesions in computed tomography (CT) images is a challenging task to perform due to heterogeneous, diffusive shape of tumors and complex background. To address the problem more and more researchers rely on…

图像与视频处理 · 电气工程与系统科学 2019-09-18 Dina B. Efremova , Dmitry A. Konovalov , Thanongchai Siriapisith , Worapan Kusakunniran , Peter Haddawy

KiTs19 challenge paves the way to haste the improvement of solid kidney tumor semantic segmentation methodologies. Accurate segmentation of kidney tumor in computer tomography (CT) images is a challenging task due to the non-uniform motion,…

图像与视频处理 · 电气工程与系统科学 2019-08-12 D. Sabarinathan , M. Parisa Beham , S. M. Md. Mansoor Roomi

Each year, there are about 400'000 new cases of kidney cancer worldwide causing around 175'000 deaths. For clinical decision making it is important to understand the morphometry of the tumor, which involves the time-consuming task of…

图像与视频处理 · 电气工程与系统科学 2020-02-26 Iwan Paolucci

Accurate and reliable tumor segmentation is essential in medical imaging analysis for improving diagnosis, treatment planning, and monitoring. However, existing segmentation models often lack robust mechanisms for quantifying the…

图像与视频处理 · 电气工程与系统科学 2025-03-14 Seyed Sina Ziaee , Farhad Maleki , Katie Ovens

Due to the irregular motion, similar appearance and diverse shape, accurate segmentation of kidney tumor in CT images is a difficult and challenging task. To this end, we present a novel automatic segmentation method, termed as…

计算机视觉与模式识别 · 计算机科学 2020-04-06 Qian Yu , Yinghuan Shi , Jinquan Sun , Yang Gao , Yakang Dai , Jianbing Zhu

Automatic segmentation of liver tumors in medical images is crucial for the computer-aided diagnosis and therapy. It is a challenging task, since the tumors are notoriously small against the background voxels. This paper proposes a new…

图像与视频处理 · 电气工程与系统科学 2019-10-18 Huiyu Li , Xiabi Liu , Said Boumaraf , Weihua Liu , Xiaopeng Gong , Xiaohong Ma

The renal vasculature, acting as a resource distribution network, plays an important role in both the physiology and pathophysiology of the kidney. However, no imaging techniques allow an assessment of the structure and function of the…

Multi-phase computed tomography (CT) has been widely used for the preoperative diagnosis of kidney cancer due to its non-invasive nature and ability to characterize renal lesions. However, since enhancement patterns of renal lesions across…

图像与视频处理 · 电气工程与系统科学 2024-06-25 Kwang-Hyun Uhm , Seung-Won Jung , Sung-Hoo Hong , Sung-Jea Ko

Many renal cancers are incidentally found on non-contrast CT (NCCT) images. On contrast-enhanced CT (CECT) images, most kidney tumors, especially renal cancers, have different intensity values compared to normal tissues. However, on NCCT…

图像与视频处理 · 电气工程与系统科学 2023-12-11 Taro Hatsutani , Akimichi Ichinose , Keigo Nakamura , Yoshiro Kitamura

Deep convolutional neural network (CNN) achieves remarkable performance for medical image analysis. UNet is the primary source in the performance of 3D CNN architectures for medical imaging tasks, including brain tumor segmentation. The…

图像与视频处理 · 电气工程与系统科学 2020-11-30 Parvez Ahmad , Saqib Qamar , Linlin Shen , Adnan Saeed

Medical image segmentation based on deep learning often fails when deployed on images from a different domain. The domain adaptation methods aim to solve domain-shift challenges, but still face some problems. The transfer learning methods…

计算机视觉与模式识别 · 计算机科学 2023-06-16 Zhusi Zhong , Jie Li , Lulu Bi , Li Yang , Ihab Kamel , Rama Chellappa , Xinbo Gao , Harrison Bai , Zhicheng Jiao

Kidney tumor segmentation emerges as a new frontier of computer vision in medical imaging. This is partly due to its challenging manual annotation and great medical impact. Within the scope of the Kidney Tumor Segmentation Challenge 2019,…

图像与视频处理 · 电气工程与系统科学 2019-10-18 Minh H. Vu , Guus Grimbergen , Attila Simkó , Tufve Nyholm , Tommy Löfstedt

Efficiently quantifying renal structures can provide distinct spatial context and facilitate biomarker discovery for kidney morphology. However, the development and evaluation of the transformer model to segment the renal cortex, medulla,…

图像与视频处理 · 电气工程与系统科学 2022-03-07 Xin Yu , Yucheng Tang , Yinchi Zhou , Riqiang Gao , Qi Yang , Ho Hin Lee , Thomas Li , Shunxing Bao , Yuankai Huo , Zhoubing Xu , Thomas A. Lasko , Richard G. Abramson , Bennett A. Landman

Segmentation of organs of interest in medical CT images is beneficial for diagnosis of diseases. Though recent methods based on Fully Convolutional Neural Networks (F-CNNs) have shown success in many segmentation tasks, fusing features from…

人工智能 · 计算机科学 2024-05-10 Yanli Yuan , Bingbing Wang , Chuan Zhang , Jingyi Xu , Ximeng Liu , Liehuang Zhu

CT organ segmentation on computed tomography (CT) images becomes a significant brick for modern medical image analysis, supporting clinic workflows in multiple domains. Previous segmentation methods include 2D convolution neural networks…

图像与视频处理 · 电气工程与系统科学 2022-04-19 Haoyu Fang , Yi Fang , Xiaofeng Yang

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…

计算机视觉与模式识别 · 计算机科学 2019-10-14 Yueyue Wang , Liang Zhao , Zhijian Song , Manning Wang

Accurate delineation of kidney tumours in Computed Tomography (CT) is essential for downstream quantitative analysis and precision oncology, but manual segmentation is a specialised task, time-consuming and difficult to scale. Automated 3D…

计算机视觉与模式识别 · 计算机科学 2026-05-08 Saúl Alonso-Monsalve , Leigh H. Whitehead , Adam Aurisano , Lorena Escudero Sanchez

Precise segmentation of knee tissues from magnetic resonance imaging (MRI) is critical in quantitative imaging and diagnosis. Convolutional neural networks (CNNs), which are state of the art, have limitations owing to the lack of…

图像与视频处理 · 电气工程与系统科学 2021-09-30 Sheheryar Khan , Basim Azam , Yongcheng Yao , Weitian Chen

Automatic medical image segmentation, an essential component of medical image analysis, plays an importantrole in computer-aided diagnosis. For example, locating and segmenting the liver can be very helpful in livercancer diagnosis and…

图像与视频处理 · 电气工程与系统科学 2019-10-28 Xi Fang , Bo Du , Sheng Xu , Bradford J. Wood , Pingkun Yan