Results 1 to 10 of about 423,050 (241)
Examination of facial measurement on the image using a noncontact three-dimensional measurement device [PDF]
Journal of Family Medicine and Primary Care, 2022 Background: Producing dentures for edentulous patients is important to improve quality of life of elderly. The determination of the occlusal vertical dimension on producing dentures is one of the key factors for using the dentures comfortably.
Yuko Watarai +3 more
doaj +2 more sources
Three-Dimensional Measurement and Three-Dimensional Printing of Giant Coastal Rocks [PDF]
ISPRS International Journal of Geo-Information, 2021 In recent years, the use of three-dimensional (3D) measurement and printing technologies has become an effective means of analyzing and reproducing both physical and natural objects, regardless of size.
Zhiyi Gao +4 more
doaj +2 more sources
Three-dimensional surface wave measurement system
The Journal of Engineering, 2019 This study presents a three-dimensional near-field measurement system to measure surface waves using LabVIEW. The system is based on the capacitive coupling between metasurface and the electric probe, which is optimised to increase signal-matching ...
Gantao Peng +6 more
doaj +2 more sources
Structured Light Three-Dimensional Measurement Based on Machine Learning [PDF]
Sensors, 2019 The three-dimensional measurement of structured light is commonly used and has widespread applications in many industries. In this study, machine learning is used for structured light 3D measurement to recover the phase distribution of the measured ...
Chuqian Zhong +4 more
doaj +2 more sources
Three-dimensional friction measurement during hip simulation.
PLoS ONE, 2017 ObjectivesWear of total hip replacements has been the focus of many studies. However, frictional effects, such as high loading on intramodular connections or the interface to the bone, as well as friction associated squeaking have recently increased ...
Robert Sonntag +5 more
doaj +3 more sources
Three-dimensional measurement of tooth inclination: A longitudinal study
Dental Research Journal, 2019 Background: New tools have been introduced for tooth inclination measurement and assessment of its changes over time. This study aimed to measure the change in inclination of teeth after the periods of 2 and 4 years in adolescents with normal occlusion ...
Mahtab Nouri +4 more
doaj +2 more sources
Three-dimensional measurement of foot arch in preschool children [PDF]
BioMedical Engineering OnLine, 2012 Background The prevalence of flexible flatfoot is high among preschool-aged children, but the effects of treatment are inconclusive due to the unclear definitions of normal flatfoot.
Chang Hsun-Wen +5 more
doaj +2 more sources
Applied Sciences, 2021 A single-shot three-dimensional measuring method based on quadrature phase-shifting color composite grating projection is proposed. Firstly, three quadrature phase-shifting sinusoidal gratings are encoded in red (R), green (G), and blue (B) channels ...
Xiuzhang Huang +4 more
doaj +1 more source
Three Dimensional Membrane Vibration Measurement Using a Two Dimensional Position Sensitive Device
Sensors, 2022 This study presents the outcome of research into membrane vibrations in a 3D space performed using a system based on position sensitive device (PSD) sensors. Here, measurements were conducted for harmonic vibrations.
Rafał Białek, Kamila Białek
doaj +1 more source
Applied Sciences, 2022 Three-dimensional compound measurement within a volume of interest is of great importance in industrial manufacturing and the biomedical field. However, there is no current method that can simultaneously perform spatial localization and 3D measurement in
Jingfan Wang +8 more
doaj +1 more source