Acquisition method, device and system of generative adversarial network for phase unwrapping
A phase unwrapping and generative technology, applied in the field of phase unwrapping, can solve the problems that the phase unwrapping algorithm has not made breakthrough progress, can not complete dynamic measurement, is not suitable for fast measurement, etc., and achieves the suppression of "pull wire" phenomenon, good generalization ability, The effect of resisting the influence of noise such as frequency and shadow
Active Publication Date: 2021-04-30
SHENZHEN UNIV
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Problems solved by technology
The Fourier method can demodulate the phase information from a fringe pattern, but due to the limitation of its calculation principle itself, it is always a difficult problem for how to accurately extract the frequency spectrum of the carrier, and the time-consuming calculation is also a problem of the Fourier transform method. Inherent problem
The phase shift method uses multiple phase images for measurement, but multiple images are not suitable for fast measurement, let alone complete dynamic measurement
However, in recent years, the phase unwrapping algorithm has not made a breakthrough
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[0045] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
[0046]It should be understood that when used in this specification and the appended claims, the term "comprising" indicates the presence of described features, integers, steps, operations, elements and / or components, but does not exclude one or more other features. , whole, step, operation, element, component and / or the presence or addition of a collection thereof.
[0047] It should also be unde...
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The invention provides a method and device for acquiring a generative confrontation network for phase unwrapping, a method for unwrapping a phase using the network, a computer-readable storage medium and a system. Wherein, the network acquisition method includes: obtaining a phase folded diagram; using the generative network in the generative confrontation network to generate a phase unfolded diagram; obtaining a real phase unfolded diagram; merging the generated phase unfolded diagram and the real phase unfolded diagram; The discriminant network in the generative confrontation network performs authenticity discrimination on the combined result to obtain a classifier; when the probability of the corresponding pixel value being true is different from the probability of the corresponding pixel value being false, according to the pixel of the classifier Calculate the loss value of the generative network, and optimize the model parameters of the generative confrontation network; and repeat the above steps until the probability of the corresponding pixel value being true is the same as the probability of the corresponding pixel value being false.
Description
technical field [0001] The present invention relates to the field of phase unwrapping, in particular to a method and device for acquiring a generative confrontation network for phase unwrapping, a method for phase unwrapping based on a generative confrontation network, a computer-readable storage medium and a generation against network systems. Background technique [0002] The rapid measurement of the three-dimensional shape of objects is widely used in industrial inspection, aerospace, medicine, cultural relics, education and other industries. In order to realize the rapid measurement of the three-dimensional shape of objects, the current mainstream method is to use non-contact measurement methods, among which phase measurement profilometry is a relatively mature method at present. In the field of phase measurement profiling, the quality of phase unwrapping results directly affects the accuracy of measurement results, so phase unwrapping technology plays an important role...
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IPC IPC(8): G06K9/62G01B11/25
CPCG01B11/254G06F18/24G06F18/214
Inventor 田劲东李聪田勇章勤男
Owner SHENZHEN UNIV