import sys
import os
-import math
import argparse
+import pickle
try:
import Image, ImageDraw
except ImportError, msg:
- print >>sys.stderr, msg
+ print >> sys.stderr, msg
sys.exit(1)
import im_debug
-import filters
-from hough import Hough
-
-Saving_dir = ''
-Saving_num = 0
+import linef
+import manual
+import intrsc
+import gridf
def main():
"""Main function of the program."""
parser = argparse.ArgumentParser(description=__doc__)
- parser.add_argument('file', metavar='file', nargs=1,
- help="image to anlyse")
+ parser.add_argument('files', metavar='file', nargs='+',
+ help="image to analyse")
parser.add_argument('-w', type=int, default=640,
- help="scales image to the specified width before analysis")
- parser.add_argument('-d', '--debug', dest='show_all', action='store_true',
+ 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('-c', '--cache', dest='l_cache', action='store_true',
+ help="use cached lines")
+ 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:
- image = Image.open(args.file[0])
+ image = Image.open(args.files[0])
except IOError, msg:
- print >>sys.stderr, msg
+ print >> sys.stderr, msg
return 1
+ if image.mode == 'P':
+ image = image.convert('RGB')
+
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 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")
-
- 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")
+ do_something = im_debug.show
+ if args.saving:
+ do_something = Imsave("saved/" + args.files[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:
+ if args.l_cache:
+ filename = ("saved/cache/" + args.files[0][:-4] + "_" +
+ str(image.size[0]))
+ cache_dir = "/".join(filename.split('/')[:-1])
+ if os.path.exists(filename):
+ lines, l1, l2, bounds, hough = pickle.load(open(filename))
+ print >> sys.stderr, "using cached results"
+ im_h = None
+ else:
+ lines, l1, l2, bounds, hough, im_h = linef.find_lines(image, show_all, do_something, verbose)
+ if not os.path.isdir(cache_dir):
+ os.makedirs(cache_dir)
+ d_file = open(filename, 'wb')
+ pickle.dump((lines, l1, l2, bounds, hough), d_file)
+ d_file.close()
+ else:
+ lines, l1, l2, bounds, hough, im_h = linef.find_lines(image, show_all, do_something, verbose)
+
+ grid, lines = gridf.find(lines, image.size, l1, l2, bounds, hough,
+ do_something, im_h)
+ if show_all:
+ im_g = image.copy()
+ draw = ImageDraw.Draw(im_g)
+ for l in grid[0] + grid[1]:
+ draw.line(l, fill=(64, 255, 64), width=1)
+ do_something(im_g, "grid", name="grid")
+
+ board = intrsc.board(image, lines, show_all, do_something)
+
+ #simple ASCII output:
+ for line in board:
+ print ' '.join(line)
- 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")
-
- 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 filters")
-
- lines = hough2.find_angle_distance(im_h3)
-
- im_lines = Image.new('L', im_h2.size)
-
- draw = ImageDraw.Draw(im_lines)
-
- for line in lines:
- draw.line(line_from_angl_dist(line, im_h2.size), fill=255, width=5)
- if show_all:
- do_something(im_lines, "lines")
-
- im_c = combine(im_h2, im_lines)
- if show_all:
- do_something(im_c, "first hough x lines")
-
- collapse(im_c)
- if show_all:
- do_something(im_c, "optimalised hough")
-
- lines = hough1.all_lines(im_c)
- draw = ImageDraw.Draw(image)
- for line in lines:
- draw.line(line_from_angl_dist(line, image.size), fill=(120, 255, 120))
-
- do_something(image, "the grid")
+ if len(args.files) > 1:
+ for f in args.files[1:]:
+ try:
+ image = Image.open(f)
+ except IOError, msg:
+ print >> sys.stderr, msg
+ continue
+ if image.mode == 'P':
+ image = image.convert('RGB')
+ board = intrsc.board(image, lines, show_all, do_something)
+ for line in board:
+ print ' '.join(line)
return 0
-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
-
-def collapse(image):
- #HACK
- im_l = image.load()
- last = False
- for y in xrange(image.size[1]):
- for x in xrange(image.size[0]):
- if im_l[x, y] and last:
- im_l[x, y] = 0
- last = False
- elif im_l[x, y]:
- last = True
- elif last:
- last = False
-
-def combine(image1, image2):
- im_l1 = image1.load()
- im_l2 = image2.load()
-
- im_n = Image.new('L', image1.size)
- im_nl = im_n.load()
-
- 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)]
+class Imsave():
+ def __init__(self, saving_dir):
+ self.saving_dir = saving_dir
+ self.saving_num = 0
+
+ def save(self, image, title='', name=None):
+ if name:
+ filename = self.saving_dir + name + '.jpg'
+ else:
+ filename = self.saving_dir + "{0:0>2}".format(self.saving_num) + '.jpg'
+ self.saving_num += 1
+ if not os.path.isdir(self.saving_dir):
+ os.makedirs(self.saving_dir)
+ image.save(filename, 'JPEG')
if __name__ == '__main__':
- sys.exit(main())
+ try:
+ sys.exit(main())
+ except KeyboardInterrupt:
+ print "Interrupted."
+ sys.exit()
projekty / imago.git / blobdiff