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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…

图像与视频处理 · 电气工程与系统科学 2020-05-26 Raunak Dey , Yi Hong

Noise is one of the major problems that hinder an effective texture analysis of disease in medical images, which may cause variability in the reported diagnosis. In this paper seven texture measurement methods (two wavelet, two model and…

计算机视觉与模式识别 · 计算机科学 2015-12-29 Omar Sultan Al-Kadi

A computer-aided detection (CAD) system for the identification of pulmonary nodules in low-dose multi-detector helical Computed Tomography (CT) images with 1.25 mm slice thickness is presented. The basic modules of our lung-CAD system, a…

Based on CT and MRI images acquired from normal pressure hydrocephalus (NPH) patients, using machine learning methods, we aim to establish a multi-modal and high-performance automatic ventricle segmentation method to achieve efficient and…

医学物理 · 物理学 2022-02-02 Xi Zhou , Qinghao Ye , Xiaolin Yang , Jiakuan Chen , Haiqin Ma , Jun Xia , Javier Del Ser , Guang Yang

Diversity in data is critical for the successful training of deep learning models. Leveraged by a recurrent generative adversarial network, we propose the CT-SGAN model that generates large-scale 3D synthetic CT-scan volumes ($\geq…

图像与视频处理 · 电气工程与系统科学 2021-11-08 Ahmad Pesaranghader , Yiping Wang , Mohammad Havaei

Recently, machine learning has been successfully applied to model-based left ventricle (LV) segmentation. The general framework involves two stages, which starts with LV localization and is followed by boundary delineation. Both are driven…

计算机视觉与模式识别 · 计算机科学 2015-07-29 Peng Sun , Haoyin Zhou , Devon Lundine , James K. Min , Guanglei Xiong

Small liver lesions common to colorectal liver metastases (CRLMs) are challenging for convolutional neural network (CNN) segmentation models, especially when we have a wide range of slice thicknesses in the computed tomography (CT) scans.…

图像与视频处理 · 电气工程与系统科学 2023-08-31 Mohammad Hamghalam , Richard K. G. Do , Amber L. Simpson

Accurate delineation of pathological lungs from computed tomography (CT) images remains mostly unsolved because available methods fail to provide a reliable generic solution due to high variability of abnormality appearance. Local…

计算机视觉与模式识别 · 计算机科学 2016-11-15 Awais Mansoor , Ulas Bagci , Daniel J. Mollura

Accurate liver and lesion segmentation from computed tomography (CT) images are highly demanded in clinical practice for assisting the diagnosis and assessment of hepatic tumor disease. However, automatic liver and lesion segmentation from…

图像与视频处理 · 电气工程与系统科学 2021-06-23 Liping Zhang , Simon Chun-Ho Yu

Accurate lung lesion segmentation from Computed Tomography (CT) images is crucial to the analysis and diagnosis of lung diseases such as COVID-19 and lung cancer. However, the smallness and variety of lung nodules and the lack of…

图像与视频处理 · 电气工程与系统科学 2022-04-15 Changwei Wang , Rongtao Xu , Shibiao Xu , Weiliang Meng , Jun Xiao , Xiaopeng Zhang

With the introduction of spectral-domain optical coherence tomography (OCT), much larger image datasets are routinely acquired compared to what was possible using the previous generation of time-domain OCT. Thus, the need for 3-D…

计算机视觉与模式识别 · 计算机科学 2012-05-03 Yankui Sun , Tian Zhang

Volume visualization is a method that displays three-dimensional (3D) data in two-dimensional (2D) space. Using 3D datasets instead of 2D traditional images improves the visualization of anatomical structures, and volume visualization helps…

Computed tomography (CT) examinations are commonly used to predict lung nodule malignancy in patients, which are shown to improve noninvasive early diagnosis of lung cancer. It remains challenging for computational approaches to achieve…

计算机视觉与模式识别 · 计算机科学 2018-02-07 Jason Causey , Junyu Zhang , Shiqian Ma , Bo Jiang , Jake Qualls , David G. Politte , Fred Prior , Shuzhong Zhang , Xiuzhen Huang

This paper presents a dictionary learning-based method with region-specific image patches to maximize the utility of the powerful sparse data processing technique for CT image reconstruction. Considering heterogeneous distributions of image…

医学物理 · 物理学 2020-10-26 Qiong Xu , Jeff Wang , Hiroki Shirato , Lei Xing

Many lung diseases require detailed visualisation for accurate diagnosis and treatment. High-resolution computed tomography (CT) is the gold-standard technique for non-invasive lung disease detection, but it presents a risk to the patient…

We present a focal liver lesion detection model leveraged by custom-designed multi-phase computed tomography (CT) volumes, which reflects real-world clinical lesion detection practice using a Single Shot MultiBox Detector (SSD). We show…

计算机视觉与模式识别 · 计算机科学 2018-07-03 Sang-gil Lee , Jae Seok Bae , Hyunjae Kim , Jung Hoon Kim , Sungroh Yoon

Ultrasound (US) can be used to assess brain development in newborns, as MRI is challenging due to immobilization issues, and may require sedation. Dilatation of the lateral ventricles in the brain is a risk factor for poorer…

计算机视觉与模式识别 · 计算机科学 2018-06-07 Marc-Antoine Boucher , Sarah Lippe , Amelie Damphousse , Ramy El-Jalbout , Samuel Kadoury

In this paper, we would like to quantitatively measure the tumor volume contained in the breast imaged by the Digital Breast Tomosynthesis (DBT), a reconstructed 3D image. The estimated volume will add to the prognostic value of risk…

医学物理 · 物理学 2018-04-17 Bocar Wane

This research embarked on a comparative exploration of the holistic segmentation capabilities of Convolutional Neural Networks (CNNs) in both 2D and 3D formats, focusing on cystic fibrosis (CF) lesions. The study utilized data from two CF…

图像与视频处理 · 电气工程与系统科学 2024-08-13 Amel Imene Hadj Bouzid , Baudouin Denis de Senneville , Fabien Baldacci , Pascal Desbarats , Patrick Berger , Ilyes Benlala , Gaël Dournes

The skeletal region is one of the common sites of metastatic spread of cancer in the breast and prostate. CT is routinely used to measure the size of lesions in the bones. However, they can be difficult to spot due to the wide variations in…

图像与视频处理 · 电气工程与系统科学 2024-02-02 Tao Sheng , Tejas Sudharshan Mathai , Alexander Shieh , Ronald M. Summers