X-Git-Url: http://git.tomasm.cz/imago.git/blobdiff_plain/80567459ab66eeb8ea12de0e746adfe193b187f6..116fdaa2331775ba5bd766ac3b885987d772eaee:/imago.py?ds=sidebyside diff --git a/imago.py b/imago.py index 3634363..d648580 100755 --- a/imago.py +++ b/imago.py @@ -4,154 +4,131 @@ 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])) + 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("saved/cache"): + os.makedirs("saved/cache") + 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) + + 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_h2 = filters.high_pass(im_hough, 120) - if show_all: - do_something(im_h2, "second high pass filters") - - 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) - 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 +class Imsave(): + def __init__(self, saving_dir): + self.saving_dir = saving_dir + self.saving_num = 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 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)] + 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()