Patent ID: 9728159
Date: 2017-08-08
CPC Classifications: G09G

Claim:
1. A method for image processing input image data and creating output image data, said output image data iso-perceptible to said input data and said output image data comprising a lower power requirement for rendering than said input image data, the steps of said method comprising: color quantizing input image data; creating a just-noticeable-difference (JND) set of image data, said JND set of image data being iso-perceptible to said input image data wherein the JND set of image data comprises a function of visibility thresholds for background luminance masking and texture masking, wherein creating a just-noticeable-difference (JND) set of image data further comprises: computing: wherein JND computing: wherein JND selecting an output image data, said output image data chosen among said JND set of image data and said output image data comprising a lower power requirement for rendering than said input image data.