Returns the descriptor size in floats/bytes

sz = obj.descriptorSize()

Output

• sz Descriptor size.

64 when cv.AKAZE.DescriptorType is 'KAZE' or 'KAZEUpright', otherwise for 'MLDB' and 'MLDBUpright' the size depends on cv.AKAZE.DescriptorSize and cv.AKAZE.DescriptorChannels.