Results 91 to 100 of about 3,752 (140)

Phase-Shifting Structured Illumination with a Polarization-Encoded Metasurface. [PDF]

Nano Lett
Yu L, Pietila J, Singh HJ, Caglayan H.
europepmc   +1 more source

Two new species of the genus <i>Glaucocharis</i> (Lepidoptera, Crambidae) from China. [PDF]

Zookeys
He X, Jiang C, Zhu Q, Li W.
europepmc   +1 more source

A Clustered Adaptive Exposure Time Selection Methodology for HDR Structured Light 3D Reconstruction. [PDF]

Sensors (Basel)
Li Z, Ma R, Duan S.
europepmc   +1 more source

Adaptive High-Precision 3D Reconstruction of Highly Reflective Mechanical Parts Based on Optimization of Exposure Time and Projection Intensity. [PDF]

J Imaging
He C, Lai R, Sun J, Izui K, Wang Z, Liu X, Zhang S.   +6 more
europepmc   +1 more source

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Fringe projection decamouflaging

Optics and Lasers in Engineering, 2020
Abstract Unveiling the cheating mask of camouflage is of great significance in scientific and military research, but the acquisition of detailed information about camouflaged objects remains extremely difficult. This paper presents a fringe projection decamouflaging (FPDC) approach that can provide the position, outer rim profile, and shadow ...
Ji Deng, Jian Li, Shumeng Ding, Hao Feng, Yu Xiao, Wenzhong Han, Zhoumo Zeng   +6 more
openaire   +1 more source

Operations using fringe projection

Applied Optics, 1986
The study of deformations and topography of both living bodies and inert objects as well as the possibility of repositioning them are operations of great interest in automatic processing, quality control, medical applications, and robotics. We present a simple fringe projection method that performs these operations even on large objects with ...
M, Michalski, H J, Rabal, M J, Garavaglia   +2 more
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Circular fringe projection profilometry

Optics Letters, 2016
In this Letter, a novel three-dimensional (3D) measurement method, called the circular fringe projection profilometry (CFPP), is proposed. Similar to the conventional fringe projection profilometry, CFPP also requires fringe pattern projection and capture, phase demodulation, and phase unwrapping.
Hong, Zhao, Chunwei, Zhang, Changquan, Zhou, Kejian, Jiang, Meiqi, Fang   +4 more
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High sensitivity fringe projection profilometry combining optimal fringe frequency and optimal fringe direction

Holography, Diffractive Optics, and Applications X, 2020
Abstract Phase sensitivity plays a vital role in accurately retrieving three-dimensional (3D) shape of diffused objects in fringe projection profilometry (FPP). With regard to traditional means that simply project horizontal or vertical fringe patterns, the fringe frequency and direction may not be the best choice to acquire optimal sensitivity to ...
Jin Yu, Nan Gao, Zonghua Zhang, Zhaozong Meng   +3 more
openaire   +1 more source