Initial import

git-svn-id: http://moon:8086/svn/software/trunk/libsrc/_to_be_added@1 b431acfa-c32f-4a4a-93f1-934dc6c82436
2014-07-19 07:44:42 +00:00
commit 05da8712f6
19 changed files with 5064 additions and 0 deletions
@@ -0,0 +1,64 @@
+// ------------------------------------------------------------
+// clob.h
+//
+// A color quantizer using binary-split technique
+// From:
+// "Color Quantization of Images", Orchard, Bouman
+// IEEE Trans. on Sig. Proc., vol. 39, no. 12, pp. 2677-2690, Dec. 1991.
+//
+// 10.03.2005, J.Ahrensfeld
+// ------------------------------------------------------------
+#ifndef CLOB_H
+#define	CLOB_H
+
+#include "bintree.h"
+#include "colortypes.h"
+
+// ------------------------------------------------------------
+#define	ROW_DIM				3
+
+// ------------------------------------------------------------
+typedef struct _node_data_t
+{
+	int N, *pC, len_C;
+	color_vector_t R[ROW_DIM];
+	color_vector_t cov[ROW_DIM];
+	color_vector_t m;
+	color_vector_t q;
+	color_vector_t e;
+	double lambda;
+	double *pExpr_left, expr_right;
+
+} node_data_t;
+
+typedef struct _colorquant_t
+{
+	int nRow, nCol, N_max, M_max, nPixel;
+	double *pTemp;
+	color_vector_t *pX, *pXs;
+	node_data_t *pRootData, *pData;
+
+} colorquant_t;
+
+typedef struct _codebook_t
+{
+	int num_colors, max_colors, max_samples;
+
+	color_vector_t *pColor;
+	int **ppC, *pC, *size_C;
+
+} codebook_t;
+
+// ------------------------------------------------------------
+void ColorQuant_Init(colorquant_t *pCQ, int N_max, int M_max);
+void ColorQuant_Free(colorquant_t *pCQ);
+void FreeNodeData(node_data_t *pObj);
+void ColorNodeStat(colorquant_t *pCQ, node_data_t *pObj, color_vector_t *pXs);
+double ColorLambda(colorquant_t *pCQ, node_data_t *pObj, color_vector_t *pXs);
+void ColorNodeSplit(colorquant_t *pCQ, node_data_t *pObj, node_data_t *pData2n, node_data_t *pData2n1);
+int ColorQuant(colorquant_t *pCQ, codebook_t *pCB, color_vector_t *pX, int K, int N, int M, double lambda_min);
+void CodebookAlloc(codebook_t *pObj, int N_max, int M_max);
+void CodebookFree(codebook_t *pObj);
+
+// ------------------------------------------------------------
+#endif // CLOB_H