input:the input pixels to convolve by the optimised kernel
ref:the reference image to match
output:the rendered image after application of the kernel convolution
w:the weight buffer to be written out after convergence
graph:a log-space error graph for visualisation of the convergence behaviour
vis:visualisation of the weights and their derivatives
debug:ever changing dev wire during coding
wcp:weights from checkpoint. will be loaded if initialisation is requested
noiseab:noise profile created by cnngenin
