sys.exit(1)
import im_debug
-import filters
-from hough import Hough
-
-Saving_dir = ''
-Saving_num = 0
+import linef
+import manual
def main():
"""Main function of the program."""
help="image to analyse")
parser.add_argument('-w', type=int, default=640,
help="scale image to the specified width before analysis")
+ parser.add_argument('-m', '--manual', dest='manual_mode', action='store_true',
+ help="manual grid selection")
parser.add_argument('-d', '--debug', dest='show_all', action='store_true',
help="show every step of the computation")
- parser.add_argument('-s', '--save', dest='do_something', action='store_const',
- const=image_save, default=im_debug.show,
+ parser.add_argument('-s', '--save', dest='saving', action='store_true',
help="save images instead of displaying them")
parser.add_argument('-v', '--verbose', dest='verbose', action='store_true',
help="report progress")
args = parser.parse_args()
show_all = args.show_all
- do_something = args.do_something
verbose = args.verbose
try:
if image.size[0] > args.w:
image = image.resize((args.w, int((float(args.w)/image.size[0]) *
image.size[1])), Image.ANTIALIAS)
- 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.components(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_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.half_centers(im_h3)
- if show_all:
- do_something(im_h3, "half centers")
-
- if verbose:
- print >> sys.stderr, "finding the grid"
-
- lines_m = hough2.all_lines(im_h3)
- lines = []
-
- for line in lines_m:
- im_line = Image.new('L', im_h2.size)
- draw = ImageDraw.Draw(im_line)
- draw.line(line_from_angl_dist(line, im_h2.size), fill=255, width=5)
- if show_all:
- do_something(im_line, "line")
- im_c = combine(im_h2, im_line)
- if show_all:
- do_something(im_c, "hough x lines")
- lines.append(hough1.all_lines(im_c))
-
- 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")
+ do_something = im_debug.show
+ if args.saving:
+ do_something = imsave("saved/" + args.file[0][:-4] + "_" +
+ str(image.size[0]) + "/").save
+
+ if args.manual_mode:
+ try:
+ lines = manual.find_lines(image)
+ except manual.UserQuitError:
+ #TODO ask user to try again
+ return 1
+ else:
+ lines = linef.find_lines(image, show_all, do_something, verbose)
intersections = intersections_from_angl_dist(lines, image.size)
image_g = image.copy()
suma = 0.
for i in range(-2, 3):
for j in range(-2, 3):
- suma += sum(image.getpixel((x + i, y + j)))
+ try:
+ suma += sum(image.getpixel((x + i, y + j)))
+ except IndexError:
+ pass
suma /= 3 * 25
if suma < 55:
return 'B'
else:
return 'W'
-def image_save(image, title=''):
- global Saving_dir
- global Saving_num
- filename = Saving_dir + "{0:0>2}".format(Saving_num) + '.jpg'
- if not os.path.isdir(Saving_dir):
- os.makedirs(Saving_dir)
- image.save(filename, 'JPEG')
- Saving_num += 1
+class imsave():
+ def __init__(self, saving_dir):
+ self.saving_dir = saving_dir
+ self.saving_num = 0
+
+ def save(self, image, title=''):
+ filename = self.saving_dir + "{0:0>2}".format(self.saving_num) + '.jpg'
+ if not os.path.isdir(self.saving_dir):
+ os.makedirs(self.saving_dir)
+ image.save(filename, 'JPEG')
+ self.saving_num += 1
def combine(image1, image2):
im_l1 = image1.load()
im_l2 = image2.load()
- im_n = Image.new('L', image1.size)
- im_nl = im_n.load()
+ on_both = []
for x in xrange(image1.size[0]):
for y in xrange(image1.size[1]):
if im_l1[x, y] and im_l2[x, y]:
- im_nl[x, y] = 255
- return im_n
-
-def line_from_angl_dist((angle, distance), size):
- x1 = - size[0] / 2
- y1 = int(round((x1 * math.sin(angle) - distance) / math.cos(angle))) + size[1] / 2
- x2 = size[0] / 2
- y2 = int(round((x2 * math.sin(angle) - distance) / math.cos(angle))) + size[1] / 2
- return [(0, y1), (size[0] - 1, y2)]
+ on_both.append((x, y))
+ return on_both
def intersections_from_angl_dist(lines, size):
intersections = []
for (angl1, dist1) in sorted(lines[1], key=itemgetter(1)):
line = []
- for (angl2, dist2) in lines[0]:
+ for (angl2, dist2) in sorted(lines[0], key=itemgetter(1)):
if abs(angl1 - angl2) > 0.4:
x = - ((dist2 / math.cos(angl2))-(dist1 / math.cos(angl1))) / (math.tan(angl1) - math.tan(angl2))
y = (math.tan(angl1) * x) - (dist1 / math.cos(angl1))
- line.append((int(x + size[0] / 2), int(y + size[1] / 2)))
+ if (-size[0] / 2 < x < size[0] / 2 and
+ -size[1] / 2 < y < size[1] / 2):
+ line.append((int(x + size[0] / 2), int(y + size[1] / 2)))
intersections.append(line)
return intersections
if __name__ == '__main__':
- sys.exit(main())
+ try:
+ sys.exit(main())
+ except KeyboardInterrupt:
+ print "Interrupted."
+ sys.exit()
projekty / imago.git / blobdiff