Results 11 to 20 of about 21,230 (297)

River centerline extraction using the multiple direction integration algorithm for mixed and pure water pixels

open access: greenGIScience & Remote Sensing, 2019
The river centerline is a basic hydrological characteristic. Most prior studies have used remote sensing data to extract the river centerline from the open water region in a pure water pixel region.
Quanwen Li   +3 more
doaj   +4 more sources

MSC-Net: Multitask Learning Network for Retinal Vessel Segmentation and Centerline Extraction [PDF]

open access: goldApplied Sciences, 2021
Automatic segmentation and centerline extraction of blood vessels from retinal fundus images is an essential step to measure the state of retinal blood vessels and achieve the goal of auxiliary diagnosis.
Lin Pan   +3 more
doaj   +2 more sources

Optimal Time Selection for ISAR Imaging of Ship Target via Novel Approach of Centerline Extraction With RANSAC Algorithm [PDF]

open access: goldIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022
Optimal time selection for inverse synthetic aperture radar imaging of ship target is significant for the determination of image project plane, and the performance of it is dependent on the accuracy of ship centerline extraction. In this article, a novel
Rui Cao, Yong Wang, Yun Zhang, Mao Jian
doaj   +2 more sources

3D actin network centerline extraction with multiple active contours. [PDF]

open access: yesMed Image Anal, 2014
Fluorescence microscopy is frequently used to study two and three dimensional network structures formed by cytoskeletal polymer fibers such as actin filaments and actin cables. While these cytoskeletal structures are often dilute enough to allow imaging of individual filaments or bundles of them, quantitative analysis of these images is challenging. To
Xu T, Vavylonis D, Huang X.
europepmc   +4 more sources

Line structured light calibration method and centerline extraction: A review

open access: yesResults in Physics, 2020
Line structured light system has made rapid progress in recent years owing to the improvement of camera resolution and image processing technology. The calibration of line structured light system and centerline extraction affect the imaging quality ...
Xiaobin Xu   +4 more
doaj   +3 more sources

A General Spline-Based Method for Centerline Extraction from Different Segmented Road Maps in Remote Sensing Imagery [PDF]

open access: goldRemote Sensing, 2022
Road centerline extraction is the foundation for integrating the segmented road map from a remote sensing image into a geographic information system (GIS) database. Considering that existing approaches tend to have a decline in performance for centerline
Fanghong Xiao   +4 more
doaj   +2 more sources

Automatic Road Centerline Extraction from Imagery Using Road GPS Data

open access: yesRemote Sensing, 2014
Road centerline extraction from imagery constitutes a key element in numerous geospatial applications, which has been addressed through a variety of approaches.
Chuqing Cao, Ying Sun
doaj   +3 more sources

Extraction Method of Coronary Artery Blood Vessel Centerline in CT Coronary Angiography [PDF]

open access: goldIEEE Access, 2019
Aiming at the problem that the traditional coronary artery centerline extraction method is computationally intensive and requires a large number of manual interventions, a fully automatic coronary artery centerline tracking extraction method is proposed.
Xiaodong Sheng   +7 more
doaj   +2 more sources

Improved Structured Light Centerline Extraction Algorithm Based on Unilateral Tracing [PDF]

open access: goldPhotonics
The measurement precision of a line-structured light measurement system is directly affected by the accuracy of extracting the center points of the laser stripes.
Yu Huang, Wenjing Kang, Zhengang Lu
doaj   +2 more sources

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