X-Git-Url: http://git.tomasm.cz/imago.git/blobdiff_plain/8d05ccd11445ae069ae14dfb95d566907546e989..f38e3d7e4b084d293dcf80c63b812d98613a9c7b:/imago.py diff --git a/imago.py b/imago.py index 6ab51a1..830a53b 100755 --- a/imago.py +++ b/imago.py @@ -1,135 +1,142 @@ #!/usr/bin/env python -"""Usage: imago.py file""" + +"""Go image recognition""" import sys +import os import math -import Image, ImageDraw -import im_debug -import filter -from hough import Hough +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.""" - show_all = False + 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() + + show_all = args.show_all + verbose = args.verbose try: - if argv is (): - argv = sys.argv[1:] - if argv == []: - raise UsageError('Missing filename') - if "--help" in argv: - print __doc__ - return 0 - if "--debug" in argv: - show_all = True - except UsageError, err: - print >>sys.stderr, err.msg, "(\"imago.py --help\" for help)" - return 2 - - try: - image = Image.open(argv[0]) + image = Image.open(args.file[0]) except IOError, msg: - print >>sys.stderr, msg + print >> sys.stderr, msg return 1 - if show_all: - im_debug.show(image, "original image") - - im_l = image.convert('L') - if show_all: - im_debug.show(im_l, "ITU-R 601-2 luma transform") - - im_edges = filter.edge_detection(im_l) - if show_all: - im_debug.show(im_edges, "edge detection") - - im_h = filter.high_pass(im_edges, 100) - if show_all: - im_debug.show(im_h, "high pass filter") + if image.mode == 'P': + image = image.convert('RGB') - hough1 = Hough(im_h.size) - im_hough = hough1.transform(im_h) - if show_all: - im_debug.show(im_hough, "hough transform") - - im_h2 = filter.high_pass(im_hough, 120) - if show_all: - im_debug.show(im_h2, "second high pass filter") - - hough2 = Hough(im_h2.size) - im_hough2 = hough2.transform(im_h2) - if show_all: - im_debug.show(im_hough2, "second hough transform") - - im_h3 = filter.high_pass(im_hough2, 120) - if show_all: - im_debug.show(im_h3, "third high pass filter") - - 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) - if show_all: - im_debug.show(im_lines, "lines") - - im_c = combine(im_h2, im_lines) - if show_all: - im_debug.show(im_c, "first hough x lines") + 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 + + 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() + 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]) - collapse(im_c) if show_all: - im_debug.show(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)) - - im_debug.show(image, "the grid") + do_something(image_g, "intersections") return 0 -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 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() - 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)] + 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()