https://community.intel.com/t5/Intel-Integrated-Performance/Warp-functions-with-antialiasing/m-p/1115350#M25491 <P>I'm using warp functions to get correct chroma siting. RGBToYCbCr422() just averages the chroma of the 4 pixels, when the chroma should be between the leftmost two pixels for mpeg2 and avc. Additionally, the average is always rounded down.</P> <P>If I also resize the image in the same pass, I get aliasing. The resize functions have antialiasing, but the warp functions don't. Could you add it? Alternatively, since I just need axis aligned transformations, Ipp32f dx, Ipp32f dy arguments could be added to ResizeAntialiasing() that work as in <SPAN class="option">CopySubpix(). Finally, are warp functions as fast as resize when there's no rotation?</SPAN></P> <P>Bruno</P> Thu, 09 Mar 2017 13:28:45 GMT BMart1 2017-03-09T13:28:45Z https://community.intel.com/t5/Intel-Integrated-Performance/Warp-functions-with-antialiasing/m-p/1115350#M25491 <P>I'm using warp functions to get correct chroma siting. RGBToYCbCr422() just averages the chroma of the 4 pixels, when the chroma should be between the leftmost two pixels for mpeg2 and avc. Additionally, the average is always rounded down.</P> <P>If I also resize the image in the same pass, I get aliasing. The resize functions have antialiasing, but the warp functions don't. Could you add it? Alternatively, since I just need axis aligned transformations, Ipp32f dx, Ipp32f dy arguments could be added to ResizeAntialiasing() that work as in <SPAN class="option">CopySubpix(). Finally, are warp functions as fast as resize when there's no rotation?</SPAN></P> <P>Bruno</P> Thu, 09 Mar 2017 13:28:45 GMT https://community.intel.com/t5/Intel-Integrated-Performance/Warp-functions-with-antialiasing/m-p/1115350#M25491 BMart1 2017-03-09T13:28:45Z https://community.intel.com/t5/Intel-Integrated-Performance/Warp-functions-with-antialiasing/m-p/1115351#M25492 <P style="font-size: 13.008px;">Hi Bruno,</P> <P style="font-size: 13.008px;">Feature requests should be submitted via Intel(R) Premier Support. IPP warp functions can be slightly slower than resize for cases without rotation.</P> <P style="font-size: 13.008px;">Best regards,<BR /> Valentin</P> Mon, 13 Mar 2017 09:15:35 GMT https://community.intel.com/t5/Intel-Integrated-Performance/Warp-functions-with-antialiasing/m-p/1115351#M25492 Valentin_K_Intel 2017-03-13T09:15:35Z https://community.intel.com/t5/Intel-Integrated-Performance/Warp-functions-with-antialiasing/m-p/1115352#M25493 <P>Hi Valentin,</P> <P>Thanks for your answer. I just went and sent my requests via support.</P> <P>Regards,<BR /> Bruno</P> Mon, 13 Mar 2017 14:23:07 GMT https://community.intel.com/t5/Intel-Integrated-Performance/Warp-functions-with-antialiasing/m-p/1115352#M25493 BMart1 2017-03-13T14:23:07Z