Digital fringe projection profilometry
WebAug 28, 2006 · Simulations and experiments show that the proposed DCT-SE is a fast, accurate, and efficient reconstruction algorithm for digital projection- based fringe pattern profilometry techniques. Read ... 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 ...
Digital fringe projection profilometry
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Over 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 … 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 …
WebIn fringe projection profilometry (FPP) based on temporal phase unwrapping (TPU), reducing the number of projecting patterns has become one of the most important works … WebA digital imaging pioneer and industry leader, Digital Projection manufactures an extensive and expanding line of ultra high-performance 3-chip and single-chip DLP® …
WebFeb 1, 2024 · Digital fringe projection profilometry: a) schematic diagram . and b) photograph. Fig.2. Projective fringe patterns with a) sinusoidal, b) square, and . c) triangular periodic waveforms. Cross ... 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.
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WebOptimal defocus selection based on normed Fourier transform for digital fringe pattern profilometry. Abel Kamagara, Xiangzhao Wang, and Sikun Li. Appl. Opt. 56(28) 8014-8022 (2024) Analysis of the relationship between fringe angle and three-dimensional profilometry system sensitivity. Ping Zhou, Xinran Liu, and Tongjing Zhu. cabinet depth refrigerator 25 cuWeb2.1 Digital fringe projection profilometry A crossed-optical-axes triangulation [1] is usually used in the digital fringe projection profilometry as shown in Figure 1. The lines E E p p ' and E E c c ' are the optical axis of the LCD or DLP projector and the CCD camera respectively. They intersect at the point O on the reference plane. cabinet depth bottom freezerWebFeb 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 … cabinet depth french door fridgeWebWe propose a novel and efficient method to determine the optimal fringe angle by projecting a set of horizontal and vertical fringe patterns onto a step-height object and by further … cabinet depth ge profile refrigeratorWebIn 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 … cabinet depth freezer onlyWebOct 19, 2024 · Fringe projection profilometry (FPP) is a technique used for obtaining the three-dimensional shape of an object in fields such as reverse engineering, cultural heritage, and computer vision. The FPP measurement accuracy significantly depends on the arrangement of the measurement system, measurement space conditions, equipment … cabinet depth refer specsWebJan 5, 2024 · In many fields such as experimental mechanics and optics, the fringe projection profilometry (FPP) and the 3D digital image correlation (3D-DIC) methods are among the most established and widely used 3D imaging and shape measurement techniques owing to their robustness and accuracy [25–32]. The FPP technique, a kind … clownine fridoline