Digital fringe projection profilometry
WebAuthor Affiliations. Haotian Yu, 1, 2, 3 Xiaoyu Chen, 1, 2, 3 Zhao Zhang, 1, 2 Chao Zuo, 1, 2 Yi Zhang, 1, 2 Dongliang Zheng, 1, 4 and Jing Han 1, 2, 5 1 School of Electronic and Optical Engineering, Nanjing University of Science and Technology, No. 200 Xiaolingwei Street, Nanjing, Jiangsu Province 210094, China . 2 Jiangsu Key Laboratory of Spectral Imaging … WebTechnique Mirage provides Digital Motion Picture Projection on single giant screens or entire buildings wrapped in imagery. With new technology, existing projection …
Digital fringe projection profilometry
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WebMay 14, 2024 · Fringe projection profilometry (FPP) is a three-dimensional (3D) surface imaging technique that employs optical deflectometry to detect surface morphology of specular objects 1.The technique has ... WebOct 1, 2002 · Experimental results successfully demonstrate the capability of the Digital Micromirror Device technique for surface profile measurement of rough surfaces at the micrometer level. A microscopic three-dimensional (3-D) shape measurement system based on digital fringe projection has been developed and experimentally investigated. A …
WebApr 11, 2024 · PDF Fringe projection profilometry (FPP) has been broadly applied in three-dimensional (3D) measurements, but the existing multi-shot methods, which... Find, read and cite all the research you ... WebAug 1, 2014 · A flexible and adaptive digital fringe projection method based on image fusion and interpolated prediction search algorithm that can decrease the number of projected and captured images with higher modulation and better contrast and avoids hardware complexity. ... Gamma correction for digital fringe projection profilometry. …
WebMultiple works have applied deep learning to fringe projection profilometry (FPP) in recent years. However, to obtain a large amount of data from actual systems for training is still a tricky problem, and moreover, the network design and optimization is still worth exploring. In this paper, we introduce graphic software to build virtual FPP systems in … WebMay 6, 2024 · Fringe projection profilometry, also called fringe projection technique, is one of the most widely employed due to its excellent performance in robustness, accuracy, and speed. Usually, a digital projector can be used to project a fringe pattern onto a measured surface so as in a reference plane and captured the fringe image by a camera.
WebDigital fringe projection profilometry utilizes a digital video projector as a structured light source and thus gains great flexibility. However, the gamma nonlinearity of the video …
WebNov 6, 2024 · @article{osti_1426465, title = {Micro Fourier Transform Profilometry (μFTP): 3D shape measurement at 10,000 frames per second}, author = {Zuo, Chao and Tao, Tianyang and Feng, Shijie and Huang, Lei and Asundi, Anand and Chen, Qian}, abstractNote = {We report that fringe projection profilometry is a well-established … john taylor salon and day spaWebJan 1, 2013 · A portable digital light processing (DLP) BENQ MP523 interfaced with a computer is used to focus the sinusoidal fringes generated onto the object surface. It can … john taylor rally driverWebFeb 8, 2024 · In the online 3D measurement of a fast-moving object, the frame rate of a camera can be adjusted to adapt to the deformed pattern capturing of the fast-moving object, and the resolution of camera will be sacrificed. In this paper, an online phase measurement profilometry method for a fast-moving object was proposed, and the … john taylor red hairWebApr 7, 2024 · Fringe projection profilometry (FPP) has been broadly applied in three-dimensional (3D) measurements, but the existing multi-shot methods, which mostly utilize phase-shifting techniques, are heavily affected by the disturbance of vibration and cannot be used in dynamic scenes. In this work, a single-shot 3D measurement method using a … john taylor richmond vaWebIn fringe projection profilometry, high-order harmonics information of distorted fringe will lead to errors in the phase estimation. In order to solve this problem, a point-wise phase estimation method based on a neural network (PWPE-NN) is proposed in this paper. The complex nonlinear mapping relationship between the gray values and the phase under … how to grind down metalWebMay 10, 2004 · Digital fringe projection profilometry utilizes a digital video projector as a structured light source and thus gains great flexibility. However, the gamma … how to grind down a tree stumpOver the past few years, we have been developing techniques for high-speed … A fringe projection based quantitative three-dimensional microscopy (FP-3DM) is … The imaging model of a camera with a telecentric lens can be illustrated by Fig. … Digital fringe pattern projection. As previously stated, the advent of low-cost … 1. Introduction. With the recent advancement in digital display devices, … Fig. 1 shows the optical geometry for the fringe projection and imaging system … This paper presents a shape measurement method based on the use of a long … Spatio temporal phase unwrapping for the measurement of discontinuous objects … As a fringe sweeps by the detector, the counter is unchanged, incremented, or … Fringe projection profilometry (FPP) is a powerful method for three-dimensional … how to grind down a small stump