A Structural Mode Recognition Method Based on Computer Vision and Variational Mode Decomposition
A variational modal decomposition, computer vision technology, applied in computer parts, character and pattern recognition, calculation, etc., can solve the problem of frequent modal aliasing, and achieve limited measurement points, high precision, and guaranteed accuracy. Effect
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[0051] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0052] like figure 1 As shown, the embodiment of the present invention discloses a structural mode identification method based on computer vision and variational mode decomposition, including the following steps:
[0053] S1. Collect a vibration video of the structure, and select a pixel point in the vibration video that meets a preset pixel level as a feature point. The purpose of this step is to select pixels with obvious vibration...
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