X-Git-Url: http://git.tomasm.cz/imago.git/blobdiff_plain/330a8362a13c607e063821f844801b98a6eec514..577a280086d400b3ab83caed89424b6f5e064be9:/imago.py diff --git a/imago.py b/imago.py index ab44f4f..1e0cbba 100755 --- a/imago.py +++ b/imago.py @@ -4,9 +4,8 @@ import sys import os -import math import argparse -from operator import itemgetter +import pickle try: import Image, ImageDraw @@ -15,35 +14,38 @@ except ImportError, 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, + parser.add_argument('files', metavar='file', nargs='+', help="image to analyse") parser.add_argument('-w', type=int, default=640, - help="scale 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 return 1 @@ -53,152 +55,81 @@ def main(): 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) + 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: - do_something(im_c, "hough x lines") - lines.append(hough1.all_lines(im_c)) + 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) - 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]) + board = intrsc.board(image, lines, show_all, do_something) - if show_all: - do_something(image_g, "the grid") + #simple ASCII output: + for line in board: + print ' '.join(line) + + 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 stone_color(image, (x, y)): - suma = 0. - for i in range(-2, 3): - for j in range(-2, 3): - suma += sum(image.getpixel((x + i, y + j))) - suma /= 3 * 25 - if suma < 55: - return 'B' - elif suma < 200: - return '.' - 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 - -def combine(image1, image2): - im_l1 = image1.load() - im_l2 = image2.load() - - im_n = Image.new('L', image1.size) - im_nl = im_n.load() +class Imsave(): + def __init__(self, saving_dir): + self.saving_dir = saving_dir + self.saving_num = 0 - 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)] - -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]: - 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))) - intersections.append(line) - return intersections + 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 if __name__ == '__main__': - sys.exit(main()) + try: + sys.exit(main()) + except KeyboardInterrupt: + print "Interrupted." + sys.exit()