X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=images%2Fsignature.h;h=1643f317a55a3204cce47b43459d24d801659cd1;hb=d107850afa414b96c304b2a5a0c915f70f224dcc;hp=4f53f24ff57b004bba818910c5ccd3454a8dbf57;hpb=b9e5b4ebf5e4cbff0f32a193fc2f6051f3ea195c;p=libucw.git

diff --git a/images/signature.h b/images/signature.h
index 4f53f24f..1643f317 100644
--- a/images/signature.h
+++ b/images/signature.h
@@ -5,12 +5,16 @@
 extern uns image_sig_min_width, image_sig_min_height;
 extern uns *image_sig_prequant_thresholds;
 extern uns image_sig_postquant_min_steps, image_sig_postquant_max_steps, image_sig_postquant_threshold;
+extern double image_sig_border_size;
+extern int image_sig_border_bonus;
+extern double image_sig_inertia_scale[];
 extern double image_sig_textured_threshold;
-extern uns image_sig_compare_method;
+extern int image_sig_compare_method;
+extern uns image_sig_cmp_features_weights[];
 
 #define IMAGE_VEC_F	6
 #define IMAGE_REG_F	IMAGE_VEC_F
-#define IMAGE_REG_H	3
+#define IMAGE_REG_H	5
 #define IMAGE_REG_MAX	16
 
 /* K-dimensional feature vector (6 bytes) */
@@ -20,10 +24,11 @@ struct image_vector {
 
 /* Fetures for image regions (16 bytes) */
 struct image_region {
-  byte f[IMAGE_VEC_F];		/* texture features */
-  u16 h[IMAGE_REG_H];		/* shape features */
-  u16 wa;			/* normalized area percentage */
-  u16 wb;			/* normalized weight */
+  byte f[IMAGE_VEC_F];		/* texture features - L, u, v, LH, HL, HH */
+  byte h[IMAGE_REG_H];		/* shape/pos features - I1, I2, I3, X, Y */
+  byte wa;			/* normalized area percentage */
+  byte wb;			/* normalized weight */
+  u16 reserved;
 } PACKED;
 
 #define IMAGE_SIG_TEXTURED	0x1
@@ -32,9 +37,9 @@ struct image_region {
 struct image_signature {
   byte len;			/* Number of regions */
   byte flags;			/* IMAGE_SIG_xxx */
-  byte df;			/* Average f dist */
-  u16 dh;			/* Average h dist */
-  struct image_vector vec;	/* Combination of all regions... simple signature */
+  u16 df;			/* Average weighted f dist */
+  u16 dh;			/* Average weighted h dist */
+  struct image_vector vec;	/* Average features of all regions... simple signature */
   struct image_region reg[IMAGE_REG_MAX];/* Feature vector for every region */
 } PACKED;
 
@@ -53,7 +58,7 @@ struct image_cluster {
 static inline uns
 image_signature_size(uns len)
 {
-  return 5 + sizeof(struct image_vector) + len * sizeof(struct image_region);
+  return OFFSETOF(struct image_signature, reg) + len * sizeof(struct image_region);
 }
 
 /* sig-dump.c */
@@ -117,9 +122,8 @@ void image_sig_detect_textured(struct image_sig_data *data);
 
 /* sig-cmp.c */
 
-#define IMAGE_SIG_DIST_SCALE 30
-
 uns image_signatures_dist(struct image_signature *sig1, struct image_signature *sig2);
+uns image_signatures_dist_explain(struct image_signature *sig1, struct image_signature *sig2, void (*msg)(byte *text, void *param), void *param);
 
 #endif