Results 1 to 10 of about 176,543 (244)

A Small and High-Speed Driving Mechanism for 3D Shape Measurement in Monocular Endoscopy [PDF]

open access: yesSensors, 2021
Three-dimensional (3D) shape acquisition has been widely introduced to enrich quantitative analysis with the combination of object shape and texture, for example, surface roughness evaluation in industry and gastrointestinal endoscopy in medicine.
Yoshikazu Nakajima   +4 more
doaj   +2 more sources

Hybrid 3D Shape Measurement Using the MEMS Scanning Micromirror [PDF]

open access: yesMicromachines, 2019
A surface with large reflection variations represents one of the biggest challenges for optical 3D shape measurement. In this work, we propose an alternative hybrid 3D shape measurement approach, which combines the high accuracy of fringe projection ...
Tao Yang   +3 more
doaj   +2 more sources

Comparative Analysis of Warp Function for Digital Image Correlation-Based Accurate Single-Shot 3D Shape Measurement [PDF]

open access: yesSensors, 2018
Digital image correlation (DIC)-based stereo 3D shape measurement is a kind of single-shot method, which can achieve high precision and is robust to vibration as well as environment noise. The efficiency of DIC has been greatly improved with the proposal
Xiao Yang, Xiaobo Chen, Juntong Xi
doaj   +2 more sources

Sensor for In-Motion Continuous 3D Shape Measurement Based on Dual Line-Scan Cameras [PDF]

open access: yesSensors, 2016
The acquisition of three-dimensional surface data plays an increasingly important role in the industrial sector. Numerous 3D shape measurement techniques have been developed.
Bo Sun   +4 more
doaj   +2 more sources

Advances and Prospects of Vision-Based 3D Shape Measurement Methods

open access: yesMachines, 2022
Vision-based three-dimensional (3D) shape measurement techniques have been widely applied over the past decades in numerous applications due to their characteristics of high precision, high efficiency and non-contact.
Guofeng Zhang   +3 more
doaj   +1 more source

A structured-light 3D sensor-based shape measurement method for casting allowance evaluation

open access: yesFrontiers in Physics, 2022
The evaluation of casting allowance currently relies on manual operation, which is time-consuming and unstable. The structured-light three-dimensional (3D) sensor-based 3D shape measurement technology is characterized by non-contact, high accuracy, and ...
Hua Luo   +4 more
doaj   +1 more source

Estimating 3D human shapes from measurements [PDF]

open access: yesMachine Vision and Applications, 2012
Added more ...
Wuhrer, S., Shu, C.
openaire   +3 more sources

A Binocular Vision-Based 3D Sampling Moiré Method for Complex Shape Measurement

open access: yesApplied Sciences, 2021
As a promising method for moiré processing, sampling moiré has attracted significant interest for binocular vision-based 3D measurement, which is widely used in many fields of science and engineering.
Wenxiong Shi   +3 more
doaj   +1 more source

SIMPLE ROOM SHAPE MODELING WITH SPARSE 3D POINT INFORMATION USING PHOTOGRAMMETRY AND APPLICATION SOFTWARE [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012
In this paper, we propose an automated technique for creating a simplified 3D structure shape model of indoor environments from the sparse 3D point information provided by the photogrammetric method.
S. Hirose
doaj   +1 more source

A Fast Shape-from-Focus-Based Surface Topography Measurement Method

open access: yesSensors, 2021
Shape from focus is an accurate, but relatively time-consuming, 3D profilometry technique (compared to e.g., laser triangulation or fringe projection). This is the case because a large amount of data that needs to be captured and processed to obtain 3D ...
Jona Gladines   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy