Based on the histogram, color coefficients of red, green and blue channels are assigned to each image so that {TAIL ~ the final combination} of {HEAD ~ colors} will produce a semi natural appearing composite image 
Based on the histogram , color coefficients of red , green and blue channels are assigned to each image so that { TAIL ~ the final combination } of { HEAD ~ colors } will produce a semi natural appearing composite image
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH