refactored image component filters
[imago.git] / imago_pack / linef.py
index fb83db4..ccf209e 100644 (file)
@@ -13,13 +13,12 @@ except ImportError, msg:
 import filters
 from hough import Hough
 
 import filters
 from hough import Hough
 
-def prepare(image, show_image, verbose):
+def prepare(image, show_image, logger):
     # TODO comment
     im_l = image.convert('L')
     show_image(im_l, "ITU-R 601-2 luma transform")
 
     # TODO comment
     im_l = image.convert('L')
     show_image(im_l, "ITU-R 601-2 luma transform")
 
-    if verbose:
-        print >> sys.stderr, "edge detection"
+    logger("edge detection")
     im_edges = filters.edge_detection(im_l)
     show_image(im_edges, "edge detection")
 
     im_edges = filters.edge_detection(im_l)
     show_image(im_edges, "edge detection")
 
@@ -34,45 +33,32 @@ def transform(image, hough, show_image):
     show_image(im_hough, "hough transform")
 
    # im_hough.image = filters.peaks(im_hough.image)
     show_image(im_hough, "hough transform")
 
    # im_hough.image = filters.peaks(im_hough.image)
-   # if show_all:
-   #     do_something(im_hough.image, "peak extraction")
+   # show_image(im_hough.image, "peak extraction")
                
     im_h2 = filters.high_pass(im_hough, 96)
     show_image(im_h2, "second high pass filters")
 
                
     im_h2 = filters.high_pass(im_hough, 96)
     show_image(im_h2, "second high pass filters")
 
-    im_h2 = filters.components2(im_h2)
+    im_h2 = filters.components(im_h2, 2)
     show_image(im_h2, "components centers")
 
     return im_h2
 
     show_image(im_h2, "components centers")
 
     return im_h2
 
-def find_lines(image, show_all, do_something, verbose):
+def find_lines(image, show_image, logger):
     """Find lines in the *image*."""
     # TODO refactor into smaller functions
     """Find lines in the *image*."""
     # TODO refactor into smaller functions
-
-    def nothing(a, b):
-        pass
-
-    if show_all:
-        show_image = do_something
-    else:
-        show_image = nothing
-
-    if verbose:
-        print >> sys.stderr, "preprocessing"
-
+    
+    logger("preprocessing")
     show_image(image, "original image")
 
     show_image(image, "original image")
 
-    im_h = prepare(image, show_image, verbose)
+    im_h = prepare(image, show_image, logger)
 
     hough = Hough.default(im_h)
 
 
     hough = Hough.default(im_h)
 
-    if verbose:
-        print >> sys.stderr, "hough transform"
+    logger("hough transform")
     
     im_h2 = transform(im_h, hough, show_image)
 
     
     im_h2 = transform(im_h, hough, show_image)
 
-    if verbose:
-        print >> sys.stderr, "second hough transform"
+    logger("second hough transform")
 
     # im_hough might be used instead im_h2, but at the moment it brings a lot of
     # noise to the second transform, which later confuses the center-finding
 
     # im_hough might be used instead im_h2, but at the moment it brings a lot of
     # noise to the second transform, which later confuses the center-finding
@@ -84,11 +70,10 @@ def find_lines(image, show_all, do_something, verbose):
     im_h3 = filters.high_pass(im_hough2, 120)
     show_image(im_h3, "third high pass filter")
      
     im_h3 = filters.high_pass(im_hough2, 120)
     show_image(im_h3, "third high pass filter")
      
-    im_h3 = filters.components(im_h3)
+    im_h3 = filters.components(im_h3, 1)
     show_image(im_h3, "half centers")
 
     show_image(im_h3, "half centers")
 
-    if verbose:
-        print >> sys.stderr, "finding the grid"
+    logger("finding the lines")
 
     lines_m = hough2.all_lines_h(im_h3)
     lines = []
 
     lines_m = hough2.all_lines_h(im_h3)
     lines = []