#!/usr/bin/env python
-"""Usage: imago.py file"""
+
+"""Go image recognition"""
import sys
-import Image
-import im_debug
-import filter
-import hough
+import os
+import math
+import argparse
+from operator import itemgetter
-class UsageError(Exception):
- def __init__(self, msg):
- self.msg = msg
+try:
+ import Image, ImageDraw
+except ImportError, msg:
+ print >> sys.stderr, msg
+ sys.exit(1)
+
+import im_debug
+import linef
+import manual
-def main(*argv):
+def main():
"""Main function of the program."""
- try:
- if argv is ():
- argv = sys.argv[1:]
- if argv == []:
- raise UsageError('Missing filename')
- if "--help" in argv:
- print __doc__
- return 0
- except UsageError, err:
- print >>sys.stderr, err.msg, "(\"imago.py --help\" for help)"
- return 2
+
+ parser = argparse.ArgumentParser(description=__doc__)
+ parser.add_argument('file', metavar='file', nargs=1,
+ 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='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()
- #TODO exception on file error
- image = Image.open(argv[0])
- #im_debug.show(image, "original image")
+ show_all = args.show_all
+ verbose = args.verbose
- im_l = image.convert('L')
- #im_debug.show(im_l, "ITU-R 601-2 luma transform")
+ try:
+ image = Image.open(args.file[0])
+ except IOError, 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)
+ do_something = im_debug.show
+ if args.saving:
+ do_something = imsave("saved/" + args.file[0][:-4] + "_" +
+ str(image.size[0]) + "/").save
- im_edges = filter.edge_detection(im_l)
- #im_debug.show(im_edges, "edge detection")
+ 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)
- im_h = filter.high_pass(im_edges, 80)
- #im_debug.show(im_h, "high pass filter")
+ image_g = image.copy()
+ draw = ImageDraw.Draw(image_g)
+ for line in [l for s in lines for l in s]:
+ draw.line(linef.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])
- im_hough = hough.transform(im_h)
- im_debug.show(im_hough, "hough transform")
+ 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 '.'
+ else:
+ return 'W'
+
+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()
+
+ 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]:
+ 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 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))
+ 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