Error on C++ code generation: Code generation does not support MATLAB class 'vision.internal.BRISKPoints_cg' in this context.
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Hi, I am trying to make C++ code generation from this example function:
function [a,b] = featuresSquareFinder(image)
points = detectBRISKFeatures(uint8(image));
[a,b] = extractFeatures(image, points.selectStrongest(500), 'Method','BRISK');
end
I have Matlab 2018a, Computer vision toolbox and Image processing toolbox installed. And coder ends with this screen:
How to make it work? Does Computer vision toolbox installs with itself the opencv library of needed version? If not, how to run matlab with custom opencv library path?
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In this case, the generic-sounding error is occurring because the BRISKPoints class does not currently support code generation where instances are returned as an output from a top-level (entry point) function. To get around this limitation, there is a toStruct method in the BRISKPoints class that provides a struct representation of it that can be used as an output.
For instance, in your example, adding the following line to the end of featurureSquareFinder will eliminate the error seen in your screenshot.
b = toStruct(b);
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