https://community.intel.com/t5/Intel-Integrated-Performance/Hue-modification-problem-with-iipiAddC/m-p/943080#M17866 <DIV> <DIV>Hi,</DIV> <DIV></DIV> <DIV>I have image data available in HSV format and to change Hue I am trying to use iipiAddC function by which I add constant value to current Hue value of pixel. Problem is in case of overflow this value is saturated at 255 and hue effect stops getting modify.</DIV> <DIV></DIV> <DIV>For example, if I have pure Blue image and I add values from 0 to 255, I get all variations of hue that is from Blue-Cyan-Green-Yellow-Red-Magneta-Blue.</DIV> <DIV>But for a pure Red image when I start adding values from 0-255, it goes from Red-Magneta-Blue and then saturates on Blue if you keep adding it will shift to Red again.</DIV> <DIV></DIV> <DIV>What is the way I can vary Hue other than modifying hue value of each pixel individualy?</DIV> <DIV></DIV> <DIV>Tx,</DIV> <DIV>c...</DIV></DIV> Mon, 27 Feb 2006 12:54:29 GMT cippher 2006-02-27T12:54:29Z https://community.intel.com/t5/Intel-Integrated-Performance/Hue-modification-problem-with-iipiAddC/m-p/943080#M17866 <DIV> <DIV>Hi,</DIV> <DIV></DIV> <DIV>I have image data available in HSV format and to change Hue I am trying to use iipiAddC function by which I add constant value to current Hue value of pixel. Problem is in case of overflow this value is saturated at 255 and hue effect stops getting modify.</DIV> <DIV></DIV> <DIV>For example, if I have pure Blue image and I add values from 0 to 255, I get all variations of hue that is from Blue-Cyan-Green-Yellow-Red-Magneta-Blue.</DIV> <DIV>But for a pure Red image when I start adding values from 0-255, it goes from Red-Magneta-Blue and then saturates on Blue if you keep adding it will shift to Red again.</DIV> <DIV></DIV> <DIV>What is the way I can vary Hue other than modifying hue value of each pixel individualy?</DIV> <DIV></DIV> <DIV>Tx,</DIV> <DIV>c...</DIV></DIV> Mon, 27 Feb 2006 12:54:29 GMT https://community.intel.com/t5/Intel-Integrated-Performance/Hue-modification-problem-with-iipiAddC/m-p/943080#M17866 cippher 2006-02-27T12:54:29Z