Digital fringe projection profilometry
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 … WebAug 1, 2024 · Generalized fringe order correction based on phase shift segmentation for absolute phase retrieval. Abstract. We present a fringe order correction method for …
Digital fringe projection profilometry
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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 … 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 …
WebJul 5, 2024 · Digital fringe projection profilometry (DFPP) is one of the most widely used techniques in optical 3D shape measurement [1, 2]. It has the merits of high speed, high … WebMay 30, 2024 · Fringe projection profilometry (FPP) is a 3D shape measurement method that involves projecting fringe patterns on to the object. A phase map retrieved from these fringe images is used for ...
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. … 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 …
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 ...
Web2.1 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. the animal league orlandoWebA digital imaging pioneer and industry leader, Digital Projection manufactures an extensive and expanding line of ultra high-performance 3-chip and single-chip DLP® … the gem christophersWebSim is an effective and natural problem solver - he’s able to drive solutions to technically complex problems and excels in ambiguity. Sim showcases strong product sense - he … the gem center coloradoWebIn fringe projection profilometry (FPP) based on temporal phase unwrapping (TPU), reducing the number of projecting patterns has become one of the most important works in recent years. To remove the $2\pi $ ambiguity independently, this paper proposes a TPU method … the animal kingdom what is a kindleWebJan 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 … the gem collection incWebFlexible 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 the animal kingdom resortWebWe 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 … the animal mansion skyrim