- global Saving_dir
- Saving_dir = "saved/" + args.file[0][:-4] + "_" + str(image.size[0]) + "/"
-
- if verbose:
- print >> sys.stderr, "preprocessing"
-
- if show_all:
- do_something(image, "original image")
-
- im_l = image.convert('L')
- if show_all:
- do_something(im_l, "ITU-R 601-2 luma transform")
-
- if verbose:
- print >> sys.stderr, "edge detection"
-
- im_edges = filters.edge_detection(im_l)
- if show_all:
- do_something(im_edges, "edge detection")
-
- im_h = filters.high_pass(im_edges, 100)
- if show_all:
- do_something(im_h, "high pass filters")
-
- if verbose:
- print >> sys.stderr, "hough transform"
-
- hough1 = Hough(im_h.size)
- im_hough = hough1.transform(im_h)
- if show_all:
- do_something(im_hough, "hough transform")
-
- im_hough = filters.peaks(im_hough)
- if show_all:
- do_something(im_hough, "peak extraction")
-
- im_h2 = filters.high_pass(im_hough, 120)
- if show_all:
- do_something(im_h2, "second high pass filters")
-
- im_h2 = filters.components2(im_h2)
- if show_all:
- do_something(im_h2, "components centers")
-
- if verbose:
- print >> sys.stderr, "second hough transform"
-
- hough2 = Hough(im_h2.size)
- # 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
- # mechanism (which is not very robust yet)
- im_hough2 = hough2.transform(im_h2)
- if show_all:
- do_something(im_hough2, "second hough transform")
-
- im_h3 = filters.high_pass(im_hough2, 120)
- if show_all:
- do_something(im_h3, "third high pass filter")
-
- im_h3 = filters.components(im_h3)
- if show_all:
- do_something(im_h3, "half centers")
-
- if verbose:
- print >> sys.stderr, "finding the grid"
-
- lines_m = hough2.all_lines_h(im_h3)
- lines = []
- im_c = im_h2.convert('RGB').convert('RGB', (1, 0.5, 0.5, 0))
- draw_c = ImageDraw.Draw(im_c)
-
- for line_l in lines_m:
- im_line = Image.new('L', im_h2.size)
- draw = ImageDraw.Draw(im_line)
- line_points = set()
- for line in line_l:
- draw.line(line_from_angl_dist(line, im_h2.size), fill=255, width=7)
- draw_c.line(line_from_angl_dist(line, im_c.size), fill=(70, 70, 70), width=7)
- for p in combine(im_h2, im_line):
- line_points.add(p)
- for point in line_points:
- draw_c.point(point, fill=(120, 255, 120))
- lines.append(hough1.lines_from_list(line_points))
-
- if show_all:
- do_something(im_c, "hough x lines")
-
- image_g = image.copy()
- draw = ImageDraw.Draw(image_g)
- for line in [l for s in lines for l in s]:
- draw.line(line_from_angl_dist(line, image.size), fill=(120, 255, 120))
- if show_all:
- do_something(image_g, "the grid")
-
- intersections = intersections_from_angl_dist(lines, image.size)
- image_g = image.copy()
- draw = ImageDraw.Draw(image_g)
- for line in intersections:
- for (x, y) in line:
- draw.point((x , y), fill=(120, 255, 120))
-
- for line in intersections:
- print ' '.join([stone_color(image, intersection) for intersection in
- line])
-
- if show_all:
- do_something(image_g, "intersections")
-
- return 0
-
-def stone_color(image, (x, y)):
- suma = 0.
- for i in range(-2, 3):
- for j in range(-2, 3):
- try:
- suma += sum(image.getpixel((x + i, y + j)))
- except IndexError:
- pass
- suma /= 3 * 25
- if suma < 55:
- return 'B'
- elif suma < 200:
- return '.'