X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;ds=inline;f=images%2Fsig-txt.c;h=ab04143428848fa9c0eb97d5506828689e4cc7d9;hb=d46d9596c225dbbcaef4b76e0828036e3addfbe3;hp=0202e601d2ff294bdb51e48b9884a265abd917f2;hpb=c1afcf90949e5058a95e0e12a09b25a068d68b61;p=libucw.git

diff --git a/images/sig-txt.c b/images/sig-txt.c
index 0202e601..ab041434 100644
--- a/images/sig-txt.c
+++ b/images/sig-txt.c
@@ -22,6 +22,12 @@
 void
 image_sig_detect_textured(struct image_sig_data *data)
 {
+  if (image_sig_textured_threshold <= 0)
+    {
+      DBG("Zero textured threshold.");
+      return;
+    }
+	
   uns cols = data->cols;
   uns rows = data->rows;
   uns cell_cols = MIN((cols + 1) / 2, MAX_CELLS_COLS);
@@ -81,7 +87,7 @@ image_sig_detect_textured(struct image_sig_data *data)
   DBG("Coefficient=%g", (double)e / (data->regions_count * data->blocks_count));
 
   /* Threshold */
-  if (e <= image_sig_textured_threshold * data->regions_count * data->blocks_count)
+  if (e < image_sig_textured_threshold * data->regions_count * data->blocks_count)
     {
       data->flags |= IMAGE_SIG_TEXTURED;
       DBG("Image is textured.");