Sample some pixels from a colour image and write to file

single_colour_frame.jl

using VideoIO
using Images

download("https://live.staticflickr.com/4293/35896494470_6e106950d9_o_d.jpg","input.jpg")
img = load("input.jpg")
(h,w) = size(img)

function getframe(img, dx, dy, N, scaleup)
	smimg = img[dy:(dy+(N-1)),dx:(dx+(N-1))]
	bigpix = repeat(smimg, inner=(scaleup,scaleup))
	return bigpix
end

save("singleframe.png",getframe(img,1,1873,8,200))