https://community.intel.com/t5/Intel-Integrated-Performance/IppFGHistogramModel/m-p/912112#M14365 I'm still having issues with IppFGHistogramModel....<BR /><BR />The code below seems to "basically" work in extracting moving objects. However, I'm not using **ppState as the manual indicates -- so I get a compiler warning "unreferenced local variable". I've been also changing some of the parameters such as pModel.updBGRef and the results don't seem to change. As I posted earlier (and got no replies<IMG src="https://community.intel.com/isn/Community/en-US/emoticons/emotion-9.gif" alt="Sad smiley [:(]" /> ), the background image in after calling ippiForegroundHistogramUpdate several times is nothing.<BR /><BR />I'm sure I'm doing something wrong. Any ideas? Any sample code? Am I the only one trying to use this function?<BR /><BR />THANKS <IMG src="https://community.intel.com/isn/Community/en-US/emoticons/emotion-1.gif" alt="smiley [:-)]" /> <BR /><BR />//////////////////////////////////////////////////////////////////////////////////<BR />IppFGHistogramModel pModel;<BR />IppFGHistogramState_8u_C1R *pState;<BR />IppFGHistogramState_8u_C1R **ppState; <BR /> <BR />status = ippiForegroundHistogramInitAlloc_8u_C1R(imgIPP, width, ROI, &amp;pModel, &amp;pState);<BR />statusString = ippGetStatusString( status );<BR />status = ippiForegroundHistogram_8u_C1R(imgIPP, width, foreground, width, ROI, pState);<BR />statusString = ippGetStatusString( status );<BR /><BR />status = ippiForegroundHistogramUpdate_8u_C1R(imgIPP, width, foreground, width, background, width, ROI, pState);<BR />statusString = ippGetStatusString( status );<BR />//<BR />//Get another image --&gt; imgIPP2<BR />//<BR />status = ippiForegroundHistogram_8u_C1R(imgIPP2, width, foreground, width, ROI, pState);<BR />statusString = ippGetStatusString( status ); <BR />status = ippiForegroundHistogramUpdate_8u_C1R(imgIPP2, width, foreground, width, background, width, ROI, pState);<BR />statusString = ippGetStatusString( status );<BR />/////////////////////////////////////////////////////////////////////<BR /> Fri, 24 Aug 2007 20:30:50 GMT douglaswinfield 2007-08-24T20:30:50Z https://community.intel.com/t5/Intel-Integrated-Performance/IppFGHistogramModel/m-p/912112#M14365 I'm still having issues with IppFGHistogramModel....<BR /><BR />The code below seems to "basically" work in extracting moving objects. However, I'm not using **ppState as the manual indicates -- so I get a compiler warning "unreferenced local variable". I've been also changing some of the parameters such as pModel.updBGRef and the results don't seem to change. As I posted earlier (and got no replies<IMG src="https://community.intel.com/isn/Community/en-US/emoticons/emotion-9.gif" alt="Sad smiley [:(]" /> ), the background image in after calling ippiForegroundHistogramUpdate several times is nothing.<BR /><BR />I'm sure I'm doing something wrong. Any ideas? Any sample code? Am I the only one trying to use this function?<BR /><BR />THANKS <IMG src="https://community.intel.com/isn/Community/en-US/emoticons/emotion-1.gif" alt="smiley [:-)]" /> <BR /><BR />//////////////////////////////////////////////////////////////////////////////////<BR />IppFGHistogramModel pModel;<BR />IppFGHistogramState_8u_C1R *pState;<BR />IppFGHistogramState_8u_C1R **ppState; <BR /> <BR />status = ippiForegroundHistogramInitAlloc_8u_C1R(imgIPP, width, ROI, &amp;pModel, &amp;pState);<BR />statusString = ippGetStatusString( status );<BR />status = ippiForegroundHistogram_8u_C1R(imgIPP, width, foreground, width, ROI, pState);<BR />statusString = ippGetStatusString( status );<BR /><BR />status = ippiForegroundHistogramUpdate_8u_C1R(imgIPP, width, foreground, width, background, width, ROI, pState);<BR />statusString = ippGetStatusString( status );<BR />//<BR />//Get another image --&gt; imgIPP2<BR />//<BR />status = ippiForegroundHistogram_8u_C1R(imgIPP2, width, foreground, width, ROI, pState);<BR />statusString = ippGetStatusString( status ); <BR />status = ippiForegroundHistogramUpdate_8u_C1R(imgIPP2, width, foreground, width, background, width, ROI, pState);<BR />statusString = ippGetStatusString( status );<BR />/////////////////////////////////////////////////////////////////////<BR /> Fri, 24 Aug 2007 20:30:50 GMT https://community.intel.com/t5/Intel-Integrated-Performance/IppFGHistogramModel/m-p/912112#M14365 douglaswinfield 2007-08-24T20:30:50Z https://community.intel.com/t5/Intel-Integrated-Performance/IppFGHistogramModel/m-p/912113#M14366 I'm doing something similar and I am having just as much difficulty. The parameters don't seem to influence the results properly, and the model doesn't seem to update correctly.<BR /> Wed, 07 Nov 2007 19:34:47 GMT https://community.intel.com/t5/Intel-Integrated-Performance/IppFGHistogramModel/m-p/912113#M14366 dvj1 2007-11-07T19:34:47Z https://community.intel.com/t5/Intel-Integrated-Performance/IppFGHistogramModel/m-p/912114#M14367 Hi,<BR />I know what you mean. I'm wondering if any of the developers have run an example?<BR /> Thu, 15 Nov 2007 19:23:53 GMT https://community.intel.com/t5/Intel-Integrated-Performance/IppFGHistogramModel/m-p/912114#M14367 douglaswinfield 2007-11-15T19:23:53Z https://community.intel.com/t5/Intel-Integrated-Performance/IppFGHistogramModel/m-p/912115#M14368 <P><FONT>Hi.</FONT></P> <P><FONT>There is a sample code in attach. It uses IPP (BGFG functions) and OpenCV (input, output).</FONT></P> <P>Alexander</P> Wed, 21 Nov 2007 14:41:27 GMT https://community.intel.com/t5/Intel-Integrated-Performance/IppFGHistogramModel/m-p/912115#M14368 Alexander_T_Intel 2007-11-21T14:41:27Z https://community.intel.com/t5/Intel-Integrated-Performance/IppFGHistogramModel/m-p/912116#M14369 Alexander,<BR />Thanks for the example - it's works well.<BR />I've used the OpenCV version of bgfg detection but found it to be slow. This runs much faster.<BR />Cheers :)<BR /> Mon, 26 Nov 2007 13:11:48 GMT https://community.intel.com/t5/Intel-Integrated-Performance/IppFGHistogramModel/m-p/912116#M14369 douglaswinfield 2007-11-26T13:11:48Z