test also GIFs for thread-safety

[libucw.git] / cf / images

diff --git a/cf/images b/cf/images
index 7a68b44b9d9bbd231ede5a06362cec879d0519ab..c4087583a3461718e1615e5e507871d7c38f12d8 100644 (file)
--- a/cf/images
+++ b/cf/images
@@ -2,7 +2,15 @@
 
 ######## General parameters #####################################################
 
-Images {
+ImageLib {
+
+# Default tracing level (0 to disable)
+Trace          0
+
+# Limits for image allocation. ImageMaxDim must be less than 1<<16.
+ImageMaxDim    0xffff
+ImageMaxBytes  256M
+
 }
 
 ######## Image signatures #######################################################
@@ -12,36 +20,45 @@ ImageSig {
 MinWidth       16
 MinHeight      16
 
-PreQuantThresholds     9 20 20 20 25 25 30 30 40 40 50 50 60 60 60
+PreQuantThresholds     6 12 15 20 25 25 30 30 40 40 50 50 60 60 60
 PostQuantMinSteps      2
 PostQuantMaxSteps      10
 PostQuantThreshold     1
 
-BorderSize             0.2
-BorderBonus            50
+# BorderBonus and BorderSize parameters can increase or decrease the weight
+# of image pixels near the borders. Weight of all pixels more than BorderSize * MIN(cols, rows)
+# pixels far from the edges is 128. Then this value continuously decrese/increse up to 128+BorderSize.
+BorderSize             0.4
+BorderBonus            -50
+
+# Scaling constants for computation of normalized i-th order inertia features (I1, I2, I3).
+InertiaScale           2 0.5 0.05
 
+# Threshold for detecting textured images (see images/sig-txt.c for details).
+# Decrease the threshold if you want less detected textures,
+# set it to zero to disable the algorithm completely.
 TexturedThreshold      0.32
 
 # Signatures comparision method (integrated|fuzzy|average):
 #
 #   integrated
-#      James Z. Wang, Jia Li and Gio Wiederhold,
+#      based on: James Z. Wang, Jia Li and Gio Wiederhold,
 #      "SIMPLIcity: Semantics-Sensitive Integrated Matching for Picture Libraries",
 #      IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 23, no. 9, pp. 947-963, 2001.
 #
-#   fuzzy
-#      Yixin Chen and James Z. Wang,
+#   fuzzy (unstable and unbalanced parameters)
+#      based on: Yixin Chen and James Z. Wang,
 #      "A Region-Based Fuzzy Feature Matching Approach to Content-Based Image Retrieval",
 #      IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 24, no. 9, pp. 1252-1267, 2002.
 #
 #   average
-#      Simple distance of image fetures average (ignores segmentation).
+#      Simple distance of image features averages (ignores segmentation).
 #
 CompareMethod          integrated
 
 # Array of multiplicative constants in feature vectors distance computation
-# (L, u, v, LH, HL, HH, H0, H1, H2). Each one must be in range 0..15.
-CompareFeaturesWeights 1 2 2 1 1 1 1 1 1
+# (L, u, v, LH, HL, HH, I1, I2, I3, X, Y). Each one must be an integer in range 0..15, default is 4.
+CompareFeaturesWeights 4 6 6 4 4 4 4 4 4 4 4
 
 }