Results 11 to 20 of about 20,764 (282)

Extracting Centerlines From Dual-Line Roads Using Superpixel Segmentation [PDF]

open access: yesIEEE Access, 2019
Extracting centerlines from dual-line roads is very important in urban spatial analysis and infrastructure planning. In recent decades, numerous algorithms for road centerline extraction based on the vector data have been proposed by various scholars ...
Yilang Shen, Tinghua Ai, Min Yang
doaj   +2 more sources

Multi-Scale Adaptive Light Stripe Center Extraction for Line-Structured Light Vision Based Online Wheelset Measurement [PDF]

open access: yesSensors
The extraction of the light stripe center is a pivotal step in line-structured light vision measurement. This paper addresses a key challenge in the online measurement of train wheel treads, where the diverse and complex profile characteristics of the ...
Saisai Liu   +4 more
doaj   +2 more sources

Yarn Color Measurement Method Based on Digital Photography [PDF]

open access: yesJournal of Imaging
To overcome the complexity of yarn color measurement using spectrophotometry with yarn winding techniques and to enhance consistency with human visual perception, a yarn color measurement method based on digital photography is proposed.
Jinxing Liang   +7 more
doaj   +2 more sources

Laser speckle stripes supersaturated problems in coal flow measurement research

open access: yesMeitan kexue jishu, 2023
In order to solve the problem of extraction accuracy of brightness supersaturated laser stripe centerline in three-dimensional scanning of coal flow, a centerline extraction algorithm is proposed. According to the principle of oblique laser triangulation
HU Eryi, ZHANG Yao
doaj   +1 more source

MRENet: Simultaneous Extraction of Road Surface and Road Centerline in Complex Urban Scenes from Very High-Resolution Images

open access: yesRemote Sensing, 2021
Automatic extraction of the road surface and road centerline from very high-resolution (VHR) remote sensing images has always been a challenging task in the field of feature extraction.
Zhenfeng Shao   +3 more
doaj   +1 more source

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

open access: yesApplied 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   +1 more source

Flux driven automatic centerline extraction [PDF]

open access: yesMedical Image Analysis, 2005
We present a fast, robust and automatic method for computing centerline paths through tubular structures for application to virtual endoscopy. The key idea is to utilize a skeletonization algorithm which exploits properties of the average outward flux of the gradient vector field of a Euclidean distance function from the boundary of the structure.
Sylvain, Bouix   +2 more
openaire   +2 more sources

Road Extraction in SAR Images Using Ordinal Regression and Road-Topology Loss

open access: yesRemote Sensing, 2021
The road extraction task is mainly composed of two subtasks, namely, road detection and road centerline extraction. As the road detection task and road centerline extraction task are strongly correlated, in this paper, we introduce a multitask learning ...
Xiaochen Wei, Xiaolei Lv, Kaiyu Zhang
doaj   +1 more source

Parallel centerline extraction on the GPU [PDF]

open access: yesComputers & Graphics, 2014
Centerline extraction is important in a variety of visualization applications including shape analysis, geometry processing, and virtual endoscopy. Centerlines allow accurate measurements of length along winding tubular structures, assist automatic virtual navigation, and provide a path-planning system to control the movement and orientation of a ...
Liu, B.   +8 more
openaire   +4 more sources

Road network extraction using multi-layered filtering and tensor voting from aerial images

open access: yesEgyptian Journal of Remote Sensing and Space Sciences, 2021
Road network extraction from high-resolution aerial images is a predominant research area in remote sensing due to road network applications in various applications like transportation and industrialization disaster management.
Pramod Kumar Soni   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy