Digital fringe projection profilometry
WebThe typical system for temporal fringe projection profilometry is shown in Fig. 1. In this system, the field of view along the x-axis is such that the fringe-phase interval is ϕ ∈ (− π, π), as indicated in the same figure. Download : Download high-res image (102KB) Download : Download full-size image; Fig. 1. WebWe 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 …
Digital fringe projection profilometry
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WebOct 10, 2013 · Existing digital fringe projection (DFP) systems mainly use either horizontal or vertical fringe patterns for three-dimensional shape measurement. This paper reveals … 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 …
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 ...
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 in recent years. To remove the $2\pi $ ambiguity independently, this paper proposes a TPU method … 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 ...
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 …
WebJun 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 ... binding of isaac devil room poolWebMay 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 ... binding of isaac does sack head stackWebOct 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 … binding of isaac devilWebJul 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 … cyst on clitorusWebIn 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 … binding of isaac dlc orderWebMay 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. cyst on chin removalWebFeb 2, 2015 · Digital phase-shifting fringe projection profilometry (DPFPP) is one of the most widely utilized full-field three-dimensional (3D) profile measurement techniques . Phase demodulation is a fundamental process for the fringe projection profilometry. Many phase demodulation methods have been developed in the last few decades [1–3]. binding of isaac developer console