some corrections in ImageSim config section

[libucw.git] / images / signature.h

diff --git a/images/signature.h b/images/signature.h
index 4d7f7bc5e9da598b2b92fefe6f7e8ebeb78e271e..791acc6819ef78a49aa4f40157c31888b5dbeb01 100644 (file)
--- a/images/signature.h
+++ b/images/signature.h
@@ -7,13 +7,14 @@ 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 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) */
@@ -23,21 +24,24 @@ 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 */
+  byte reserved[3];
 } PACKED;
 
 #define IMAGE_SIG_TEXTURED     0x1
 
-/* Image signature (11 + len * 16 bytes) */
+/* Image signature (16 + len * 16 bytes) */
 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 cols;                    /* Image width */
+  u16 rows;                    /* Image height */
+  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;
 
@@ -56,7 +60,7 @@ 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 */
@@ -103,9 +107,9 @@ struct image_sig_data {
 
 /* sig-init.c */
 
-int compute_image_signature(struct image_thread *thread, struct image_signature *sig, struct image *image);
+int compute_image_signature(struct image_context *ctx, struct image_signature *sig, struct image *image);
 
-int image_sig_init(struct image_thread *thread, struct image_sig_data *data, struct image *image);
+int image_sig_init(struct image_context *ctx, struct image_sig_data *data, struct image *image);
 void image_sig_preprocess(struct image_sig_data *data);
 void image_sig_finish(struct image_sig_data *data, struct image_signature *sig);
 void image_sig_cleanup(struct image_sig_data *data);