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Brain atrophy and white matter hyperintensity (WMH) are critical neuroimaging features for ascertaining brain injury in cerebrovascular disease and multiple sclerosis. Automated segmentation and quantification is desirable but existing…

Automatic teeth segmentation in panoramic x-ray images is an important research subject of the image analysis in dentistry. In this study, we propose a post-processing stage to obtain a segmentation map in which the objects in the image are…

图像与视频处理 · 电气工程与系统科学 2022-04-04 Selahattin Serdar Helli , Andac Hamamci

White matter (WM) tract segmentation is a crucial step for brain connectivity studies. It is performed on diffusion magnetic resonance imaging (dMRI), and deep neural networks (DNNs) have achieved promising segmentation accuracy. Existing…

图像与视频处理 · 电气工程与系统科学 2023-09-26 Wan Liu , Chuyang Ye

Accurate lesion segmentation is crucial for clinical diagnosis and treatment planning. However, lesions often resemble surrounding tissues and exhibit ill-defined boundaries, leading to unstable predictions in boundary/transition regions.…

计算机视觉与模式识别 · 计算机科学 2026-05-01 Shuokun Cheng , Jinghao Shi , Kun Sun

Typical machine learning frameworks heavily rely on an underlying assumption that training and test data follow the same distribution. In medical imaging which increasingly begun acquiring datasets from multiple sites or scanners, this…

计算机视觉与模式识别 · 计算机科学 2021-02-18 Xingchen Zhao , Anthony Sicilia , Davneet Minhas , Erin O'Connor , Howard Aizenstein , William Klunk , Dana Tudorascu , Seong Jae Hwang

Automatic segmentation of brain Magnetic Resonance Imaging (MRI) images is one of the vital steps for quantitative analysis of brain for further inspection. In this paper, NeuroNet has been adopted to segment the brain tissues (white matter…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Fakrul Islam Tushar , Basel Alyafi , Md. Kamrul Hasan , Lavsen Dahal

Many automatic skin lesion diagnosis systems use segmentation as a preprocessing step to diagnose skin conditions because skin lesion shape, border irregularity, and size can influence the likelihood of malignancy. This paper presents,…

计算机视觉与模式识别 · 计算机科学 2017-10-04 Bill S. Lin , Kevin Michael , Shivam Kalra , H. R. Tizhoosh

Although the U-Net architecture has been extensively used for segmentation of medical images, we address two of its shortcomings in this work. Firstly, the accuracy of vanilla U-Net degrades when the target regions for segmentation exhibit…

Medical images often exhibit low and blurred contrast between lesions and surrounding tissues, with considerable variation in lesion edges and shapes even within the same disease, leading to significant challenges in segmentation.…

图像与视频处理 · 电气工程与系统科学 2025-02-12 Wang Jiangtao , Nur Intan Raihana Ruhaiyem , Fu Panpan

Purpose: Manual medical image segmentation is an exhausting and time-consuming task along with high inter-observer variability. In this study, our objective is to improve the multi-resolution image segmentation performance of U-Net…

图像与视频处理 · 电气工程与系统科学 2020-07-20 Simindokht Jahangard , Mohammad Hossein Zangooei , Maysam Shahedi

White Matter Hyperintensities (WMH) are key neuroradiological markers of small vessel disease present in brain MRI. Assessment of WMH is important in research and clinics. However, WMH are challenging to segment due to their high…

The diagnosis of brain cancer relies heavily on medical imaging techniques, with MRI being the most commonly used. It is necessary to perform automatic segmentation of brain tumors on MRI images. This project intends to build an MRI…

图像与视频处理 · 电气工程与系统科学 2024-06-28 Yuxiang Hu , Haowei Yang , Ting Xu , Shuyao He , Jiajie Yuan , Haozhang Deng

With the advent of advancements in deep learning approaches, such as deep convolution neural network, residual neural network, adversarial network; U-Net architectures are most widely utilized in biomedical image segmentation to address the…

图像与视频处理 · 电气工程与系统科学 2022-03-03 Narinder Singh Punn , Sonali Agarwal

White matter hyperintensities (WMH) are a hallmark of cerebrovascular disease and multiple sclerosis. Automated WMH segmentation methods enable quantitative analysis via estimation of total lesion load, spatial distribution of lesions, and…

图像与视频处理 · 电气工程与系统科学 2024-03-22 Xiaoling Hu , Annabel Sorby-Adams , Frederik Barkhof , W Taylor Kimberly , Oula Puonti , Juan Eugenio Iglesias

Abnormal iron accumulation in the brain subcortical nuclei has been reported to be correlated to various neurodegenerative diseases, which can be measured through the magnetic susceptibility from the quantitative susceptibility mapping…

图像与视频处理 · 电气工程与系统科学 2020-08-04 Chao Chai , Pengchong Qiao , Bin Zhao , Huiying Wang , Guohua Liu , Hong Wu , E Mark Haacke , Wen Shen , Chen Cao , Xinchen Ye , Zhiyang Liu , Shuang Xia

Machine learning algorithms underpin modern diagnostic-aiding software, which has proved valuable in clinical practice, particularly in radiology. However, inaccuracies, mainly due to the limited availability of clinical samples for…

Accurate segmentation of white matter hyperintensities (WMH) is crucial for clinical decision-making, particularly in the context of multiple sclerosis. However, domain shifts, such as variations in MRI machine types or acquisition…

图像与视频处理 · 电气工程与系统科学 2025-06-18 Franco Matzkin , Agostina Larrazabal , Diego H Milone , Jose Dolz , Enzo Ferrante

We present W-Net, a novel Convolution Neural Network (CNN) framework that employs raw ultrasound waveforms from each A-scan, typically referred to as ultrasound Radio Frequency (RF) data, in addition to the gray ultrasound image to…

Accurate segmentation of MR brain tissue is a crucial step for diagnosis,surgical planning, and treatment of brain abnormalities. However,it is a time-consuming task to be performed by medical experts. So, automatic and reliable…

计算机视觉与模式识别 · 计算机科学 2018-07-31 Yang Deng , Yao Sun , Yongpei Zhu , Mingwang Zhu , Wei Han , Kehong Yuan

The brain tumor segmentation task aims to classify tissue into the whole tumor (WT), tumor core (TC), and enhancing tumor (ET) classes using multimodel MRI images. Quantitative analysis of brain tumors is critical for clinical decision…

图像与视频处理 · 电气工程与系统科学 2020-12-15 Saqib Qamar , Parvez Ahmad , Linlin Shen