Digital fringe projection profilometry

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August undefined, 2024

WebMay 15, 2024 · We report that fringe projection profilometry is a well-established technique for optical 3D shape measurement. However, in many applications, it is desirable to make 3D measurements at very high speed, especially with fast moving or shape changing objects. 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 ...

Full-field phase error detection and compensation method for digital …

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 … 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. period 4 metallic 27 electrons 1 point

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WebJan 13, 2024 · Digital 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 projector ... WebAug 1, 2024 · The parameter calibration of a digital fringe projection profilometry (DFPP) system is a fundamental step and directly related to 3D measurement accuracy. However, existing solutions based on ... WebTechnique Mirage provides Digital Motion Picture Projection on single giant screens or entire buildings wrapped in imagery. With new technology, existing projection … period 4 key terms apush

An effective assessment method for absolute phase …

Untrained deep learning-based fringe projection profilometry

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 … 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 … period 4 key concept apush filled inWebAug 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. … period 4 key concepts

"WebOct 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 … " - Digital fringe projection profilometry

Digital fringe projection profilometry

Microscopic fringe projection profilometry: A review - ScienceDirect

WebMay 10, 2004 · Digital fringe projection profilometry utilizes a digital video projector as a structured light source and thus gains great flexibility. However, the gamma … WebFeb 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 …

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WebJan 28, 2024 · S. Zhang, “Absolute phase retrieval methods for digital fringe projection profilometry: a review,” Optics and Lasers in Engineering, vol. 107, pp. 28–37, 2024. View at: Publisher Site Google Scholar WebFlexible Digital Fringe Projection System for Step‐height Measurement James H. Oliver, Song Zhang, 2010 . Application of the Elitist-Mutated PSO and an Improved GSA to Estimate Parameters of Linear and Nonlinear Muskingum Flood Routing Models

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 ... 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® …

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 ... WebNov 23, 2024 · The proposed method extracts 3D geometry directly from a single-shot fringe image, and real-world experiments have demonstrated the success of the …

WebFringe projection profilometry (FPP), as a common active optical three-dimensional (3D) measurement technology, has advantages of high-precision, non-contact, and full-field measurement [1,2,3,4].In a fringe projection system based on a triangular configuration frame, the structured fringe patterns are projected onto the object by a projector, then …

WebIn 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 … period 4 notes apushWebJun 1, 2004 · Digital 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 projector ... period 4 group 8 periodic tableWebOct 10, 2013 · Existing digital fringe projection (DFP) systems mainly use either horizontal or vertical fringe patterns for three-dimensional shape measurement. This paper reveals … period 4 in the periodic tableWebNov 23, 2024 · High-accuracy and high-speed three-dimensional (3D) fringe projection profilometry (FPP) has been widely applied in many fields. Recently, researchers discovered that deep learning can... period 4 lowest massWebAug 1, 2024 · Generalized fringe order correction based on phase shift segmentation for absolute phase retrieval. Abstract. We present a fringe order correction method for … period 4 questions ap worldWebIn 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 … period 4 scrapbookWebNov 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 … period 4 overview apush