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Automated delineation of COVID-19 lesions from lung CT scans aids the diagnosis and prognosis for patients. The asymmetric shapes and positioning of the infected regions make the task extremely difficult. Capturing information at multiple…

图像与视频处理 · 电气工程与系统科学 2022-10-28 Pallabi Dutta , Sushmita Mitra

Morphology of mitochondria plays critical roles in mediating their physiological functions. Accurate segmentation of mitochondria from 3D electron microscopy (EM) images is essential to quantitative characterization of their morphology at…

计算机视觉与模式识别 · 计算机科学 2022-06-16 Yunpeng Xiao , Youpeng Zhao , Ge Yang

The development of multimodal models for pulmonary nodule diagnosis is limited by the scarcity of labeled data and the tendency for these models to overfit on the training distribution. In this work, we leverage self-supervised learning…

计算机视觉与模式识别 · 计算机科学 2025-09-22 Thomas Z. Li , Aravind R. Krishnan , Lianrui Zuo , John M. Still , Kim L. Sandler , Fabien Maldonado , Thomas A. Lasko , Bennett A. Landman

Radiation therapy of thoracic and abdominal tumors requires incorporating the respiratory motion into treatments. To precisely account for the patient respiratory motions and predict the respiratory signals, a generalized model for…

医学物理 · 物理学 2019-05-22 Hui Lin , Chengyu Shi , Brian Wang , Maria F. Chan , Xiaoli Tang , Wei Ji

Background: It is fundamental for accurate segmentation and quantification of the pulmonary vessel, particularly smaller vessels, from computed tomography (CT) images in chronic obstructive pulmonary disease (COPD) patients. Objective: The…

图像与视频处理 · 电气工程与系统科学 2025-07-28 Shuiqing Zhao , Meihuan Wang , Jiaxuan Xu , Jie Feng , Wei Qian , Rongchang Chen , Zhenyu Liang , Shouliang Qi , Yanan Wu

Chronic respiratory diseases, such as chronic obstructive pulmonary disease and asthma, are a serious health crisis, affecting a large number of people globally and inflicting major costs on the economy. Current methods for assessing the…

图像与视频处理 · 电气工程与系统科学 2021-04-06 Rohan Tan Bhowmik

Paired inspiratory-expiratory CT scans enable the quantification of gas trapping due to small airway disease and emphysema by analyzing lung tissue motion in COPD patients. Deformable image registration of these scans assesses regional lung…

The main objective of this work is to utilize state-of-the-art deep learning approaches for the identification of pulmonary embolism in CTPA-Scans for COVID-19 patients, provide an initial assessment of their performance and, ultimately,…

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

Intrathoracic airway segmentation in computed tomography (CT) is a prerequisite for various respiratory disease analyses such as chronic obstructive pulmonary disease (COPD), asthma and lung cancer. Unlike other organs with simpler shapes…

图像与视频处理 · 电气工程与系统科学 2023-06-16 Puyang Wang , Dazhou Guo , Dandan Zheng , Minghui Zhang , Haogang Yu , Xin Sun , Jia Ge , Yun Gu , Le Lu , Xianghua Ye , Dakai Jin

Modeling the relationship between natural speech and a recorded electroencephalogram (EEG) helps us understand how the brain processes speech and has various applications in neuroscience and brain-computer interfaces. In this context, so…

音频与语音处理 · 电气工程与系统科学 2020-02-26 Mohammad Jalilpour Monesi , Bernd Accou , Jair Montoya-Martinez , Tom Francart , Hugo Van Hamme

This paper introduces a simple but highly efficient ensemble for robust texture classification, which can effectively deal with translation, scale and changes of significant viewpoint problems. The proposed method first inherits the spirit…

计算机视觉与模式识别 · 计算机科学 2012-03-06 Shu Kong , Donghui Wang

Reconstruction kernels in computed tomography (CT) affect spatial resolution and noise characteristics, introducing systematic variability in quantitative imaging measurements such as emphysema quantification. Choosing an appropriate kernel…

Electron microscopy (EM) imaging offers unparalleled resolution for analyzing neural tissues, crucial for uncovering the intricacies of synaptic connections and neural processes fundamental to understanding behavioral mechanisms. Recently,…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Ruohua Shi , Qiufan Pang , Lei Ma , Lingyu Duan , Tiejun Huang , Tingting Jiang

Purpose: To develop a radiomics filtering technique for characterizing spatial-encoded regional pulmonary ventilation information on lung CT. Methods: The lung volume was segmented on 46 CT images, and a 3D sliding window kernel was…

医学物理 · 物理学 2023-01-11 Zhenyu Yang , Kyle J Lafata , Xinru Chen , James Bowsher , Yushi Chang , Chunhao Wang , Fang-Fang Yin

Local discriminative representation is needed in many medical image analysis tasks such as identifying sub-types of lesion or segmenting detailed components of anatomical structures. However, the commonly applied supervised representation…

计算机视觉与模式识别 · 计算机科学 2021-03-25 Huai Chen , Jieyu Li , Renzhen Wang , Yijie Huang , Fanrui Meng , Deyu Meng , Qing Peng , Lisheng Wang

To characterize lobar and segmental airway volume differences between systemic lupus erythematosus (SLE) patients with interstitial lung disease (ILD) and those without ILD (non-ILD) using a deep learning-based approach on non-contrast…

图像与视频处理 · 电气工程与系统科学 2026-03-19 Sirong Piao , Ying Ming , Ruijie Zhao , Jiaru Wang , Ran Xiao , Rui Zhao , Zicheng Liao , Qiqi Xu , Shaoze Luo , Bing Li , Lin Li , Zhuangfei Ma , Fuling Zheng , Wei Song

Self-supervised learning has become a popular way to pretrain a deep learning model and then transfer it to perform downstream tasks. However, most of these methods are developed on large-scale image datasets that contain natural objects…

计算机视觉与模式识别 · 计算机科学 2024-01-12 Kevin Van Vorst , Li Shen

The purpose of this study was to develop a fully-automated segmentation algorithm, robust to various density enhancing lung abnormalities, to facilitate rapid quantitative analysis of computed tomography images. A polymorphic training…

Automated segmentation of lung abnormalities in computed tomography is an important step for diagnosing and characterizing lung disease. In this work, we improve upon a previous method and propose S-MEDSeg, a deep learning based approach…

图像与视频处理 · 电气工程与系统科学 2023-10-17 Diedre S. Carmo , Rosarie A. Tudas , Alejandro P. Comellas , Leticia Rittner , Roberto A. Lotufo , Joseph M. Reinhardt , Sarah E. Gerard