Techniques for comparing geometric styles of 3D CAD objects

One or more non-transitory computer readable media including instructions that, when executed by one or more processors, cause the one or more processors to compare geometric styles of different three dimensional (3D) computer-aided design (CAD) objects by performing the steps of:

• executing a trained neural network one or more times to map a plurality of 3D CAD objects to a plurality of feature map sets, wherein the trained neural network converts, for each of the 3D CAD objects, a boundary-representation (B-rep) into a graph and one or more UV-grids;
• computing a first plurality of style signals based on a first feature map set included in the plurality of feature map sets, the first feature map set comprising a first one or more feature maps based on one or more of a first graph or a first one or more UV-grids;
• computing a second plurality of style signals based on a second feature map set included in the plurality of feature map sets, the second feature map set comprising a second one or more feature maps based on one or more of a second graph or a second one or more UV-grids;
• and
• determining a first value for a style comparison metric based on the first plurality of style signals and the second plurality of style signals, wherein the first value quantifies a similarity or a dissimilarity in geometric style between a first 3D CAD object and a second 3D CAD object.

A system comprising:

• one or more memories storing instructions;
• and
• one or more processors coupled to the one or more memories that, when executing the instructions, perform the steps of:
• executing a trained neural network one or more times to map a plurality of 3D CAD objects to a plurality of feature map sets, wherein the trained neural network converts, for each of the 3D CAD objects, a boundary-representation (B-rep) into a graph and one or more UV-grids;
• computing a first plurality of style signals based on a first feature map set included in the plurality of feature map sets, the first feature map set comprising a first one or more feature maps based on one or more of a first graph or a first one or more UV-grids;
• computing a second plurality of style signals based on a second feature map set included in the plurality of feature map sets, the second feature map set comprising a second one or more feature maps based on one or more of a second graph or a second one or more UV-grids;
• and
• determining a first value for a style comparison metric based on the first plurality of style signals and the second plurality of style signals, wherein the first value quantifies a similarity or a dissimilarity in geometric style between a first 3D CAD object and a second 3D CAD object.