Changeset 1013 in 3DVCSoftware

Timestamp:

24 Jul 2014, 06:22:37 (10 years ago)

Author:

samsung-htm

Message:

Integration of JCT3V-I0076: Simplification of threshold derivation for DBBP and DMM4

Location:

branches/HTM-11.2-dev3-Samsung

Files:

• codingresults/I0110_vs_I0120_HTM_11.2-DEV3_CTC_SEC.xls (added)
• codingresults/SEC_I0076_vs_Sharp_I0110_CTC.xls (added)
• source/Lib/TLibCommon/TComPrediction.cpp (modified) (5 diffs)
• source/Lib/TLibCommon/TypeDef.h (modified) (1 diff)

branches/HTM-11.2-dev3-Samsung/source/Lib/TLibCommon/TComPrediction.cpp

@@ -739 +739 @@
   Int uiMinDepth = MAX_INT;
   Int uiMaxDepth = 0;
+#if SEC_DBBP_DMM4_THRESHOLD_I0076
+  iSumDepth  = pDepthPels[ 0 ];
+  iSumDepth += pDepthPels[ uiWidth - 1 ];
+  iSumDepth += pDepthPels[ uiDepthStride * (uiHeight - 1) ];
+  iSumDepth += pDepthPels[ uiDepthStride * (uiHeight - 1) + uiWidth - 1 ];
+
+  uiMinDepth = pDepthPels[ 0 ];
+  uiMinDepth = std::min( uiMinDepth, (Int)pDepthPels[ uiWidth - 1 ]);
+  uiMinDepth = std::min( uiMinDepth, (Int)pDepthPels[ uiDepthStride * (uiHeight - 1) ]);
+  uiMinDepth = std::min( uiMinDepth, (Int)pDepthPels[ uiDepthStride * (uiHeight - 1) + uiWidth - 1 ]);
+
+  uiMaxDepth = pDepthPels[ 0 ];
+  uiMaxDepth = std::max( uiMaxDepth, (Int)pDepthPels[ uiWidth - 1 ]);
+  uiMaxDepth = std::max( uiMaxDepth, (Int)pDepthPels[ uiDepthStride * (uiHeight - 1) ]);
+  uiMaxDepth = std::max( uiMaxDepth, (Int)pDepthPels[ uiDepthStride * (uiHeight - 1) + uiWidth - 1 ]);
+#else
   for (Int y=0; y<uiHeight; y++)
   {
@@ -759 +775 @@
     pDepthPels += uiDepthStride;
   }
+#endif
   
   // don't generate mask for blocks with small depth range (encoder decision)
@@ -767 +784 @@
   
   AOF(uiWidth==uiHeight);
+#if SEC_DBBP_DMM4_THRESHOLD_I0076
+  Int iMean = iSumDepth >> 2;
+#else
   Int iSizeInBits = g_aucConvertToBit[uiWidth]+2;
   Int iMean = iSumDepth >> iSizeInBits*2;       // iMean /= (uiWidth*uiHeight);
+#endif
   
   // start again for segmentation
@@ -2202 +2223 @@
   // find contour for texture luma block
   UInt iDC = 0;
+#if SEC_DBBP_DMM4_THRESHOLD_I0076
+  iDC  = piRefBlkY[ 0 ];
+  iDC += piRefBlkY[ uiWidth - 1 ];
+  iDC += piRefBlkY[ uiWidth * (uiHeight - 1) ];
+  iDC += piRefBlkY[ uiWidth * (uiHeight - 1) + uiWidth - 1 ];
+  iDC = iDC >> 2;
+#else
   for( UInt k = 0; k < (uiWidth*uiHeight); k++ ) 
   { 
@@ -2209 +2237 @@
   Int cuMaxLog2Size = g_aucConvertToBit[g_uiMaxCUWidth]+2;   // 
   iDC = iDC >> (cuMaxLog2Size - pcCU->getDepth(0))*2;        //  iDC /= (uiWidth*uiHeight);
+#endif
 
   piRefBlkY = cTempYuv.getLumaAddr();

branches/HTM-11.2-dev3-Samsung/source/Lib/TLibCommon/TypeDef.h

@@ -236 +236 @@
                                               // MTK_DBBP_SIGNALING_H0094    
                                               // H_3D_FIX_DBBP_IVMP        Fix . Enable IVMP is always disabled, when DBBP is enabled. The original intention is to disable Sub-PU IVMP when DBBP is enabled, not to disable IVMP itself. 
+
+#define SEC_DBBP_DMM4_THRESHOLD_I0076     1   // Simplification of threshold derivation for DBBP and DMM4, JCT3V-I0076