Digital fringe projection profilometry
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 … 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 …
Digital fringe projection profilometry
Did you know?
WebMay 6, 2024 · There are many optical methods for extracting the geometric information of an object from an image. The structured light method based on digital fringe projection is … WebJan 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 …
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® … 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 ...
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 … 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 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 … imap what portWebJan 6, 2024 · ABSTRACT. Deep learning-based fringe projection profilometry (FPP) shows potential for challenging three-dimensional (3D) reconstruction of objects with dynamic motion, complex surface, and extreme environment. However, the previous deep learning-based methods are all supervised ones, which are difficult to be applied for … imap windstreamWebTechnique Mirage provides Digital Motion Picture Projection on single giant screens or entire buildings wrapped in imagery. With new technology, existing projection … imap winrtWebFeb 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 … list of high school courses bcWeb2.1 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. imap winsfordWebMultiple 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 … imap which layerWebApr 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 … list of high school dances