Contrasharpening images

denoised=ImageSource("denoised.jpg")
original=ImageSource("original.png")

wpadding = abs( ceil(denoised.width/2.0)*2-denoised.width)
hpadding = abs( ceil(denoised.height/2.0)*2-denoised.height)

denoised.addborders(0,0,wpadding,hpadding) .converttoyv12(matrix="Rec709")
ContraSharpening(original.addborders(0,0,wpadding,hpadding) .converttoyv12(matrix="Rec709"))

converttoyv24.crop(0, 0, -wpadding, -hpadding)