Patent ID: 8279351

Claim:
Apparatus comprising: a first memory location for storing a first representation of a first gamma curve; a second memory location for storing a second representation of a second gamma curve; a processor; non-volatile memory comprising instructions to cause the processor to perform the function of modifying a video signal to transform an uncorrected video image representation into a corrected video image representation in accordance with an interpolation of at least a portion of the first representation of the first gamma curve and at least a portion of the second representation of the second gamma curve, the interpolation being obtained by the processor based on a normalized weight factor, the modifying of the video signal comprising the processor determining a first weighting and a second weighting based on the normalized weight factor and modifying the video signal by applying the first weighting to the at least a portion of the first representation of the first gamma curve and by applying the second weighting to the at least a portion of the second representation of the second gamma curve.