Wear surface three-dimensional morphology measurement method based on fused convolutional neural network
A technology of convolutional neural network and wear surface, which is applied in biological neural network models, measuring devices, neural architectures, etc., can solve problems such as overall warping and achieve high-quality reconstruction results
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[0068] The invention provides a three-dimensional topography measurement method of a worn surface based on a fusion convolutional neural network, which generates a random rough surface with a specified autocorrelation function through two-dimensional digital filtering technology, solves the normal vector value of each pixel point on the surface, and uses Blender rendering software obtains the photometric image sequence of the surface, generates the training set and verification set of the neural network; constructs a fusion convolutional neural network with a feature extraction module, a fusion module, and a normal vector estimation and refinement module; defines the training loss function of the neural network , train and adjust the network model through the training set and verification set; convert the normal vector predicted by the network into the surface gradient, combine the prior knowledge of the worn surface, and calculate the depth information of the worn surface throu...
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