for each pixel in the original image, determining by one or more processors an alpha value associated with the pixel and {HEAD ~ values} of {TAIL ~ component colors} of the pixel, and 
for each pixel in the original image , determining by one or more processors an alpha value associated with the pixel and { HEAD ~ values } of { TAIL ~ component colors } of the pixel , and
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH