YCbCr.frink

View or download YCbCr.frink in plain text format

// Demonstration and test of solving systems of equations.

use Solver.frink
symbolicMode[true]
showApproximations[false]

// Inverting the YCbCr equations.  (Luminance/Chrominance.)
// http://en.wikipedia.org/wiki/YCbCr
ycbcr = new Solver[[ Y === 0.299 R + 0.587 G + 0.114 B,
                     Cr === 0.500 R - 0.419 G - 0.081 B,
                     Cb === -0.169 R - 0.331 G + 0.500 B],
                    []]

println["All solutions:"]
println[join["\n", ycbcr.solveAll[]]]
println[join["\n", ycbcr.solveFor["R"]]]
println[join["\n", ycbcr.solveFor["G"]]]
println[join["\n", ycbcr.solveFor["B"]]]


View or download YCbCr.frink in plain text format


This is a program written in the programming language Frink.
For more information, view the Frink Documentation or see More Sample Frink Programs.

Alan Eliasen was born 17592 days, 15 hours, 33 minutes ago.