retrieveValidDepthMask  474 modules/videoio/src/cap_openni.cpp     IplImage* retrieveValidDepthMask();
retrieveValidDepthMask 1338 modules/videoio/src/cap_openni.cpp         image = retrieveValidDepthMask();
retrieveValidDepthMask  121 modules/videoio/src/cap_openni2.cpp     IplImage* retrieveValidDepthMask();
retrieveValidDepthMask  892 modules/videoio/src/cap_openni2.cpp         image = retrieveValidDepthMask();