X-Git-Url: http://git.tomasm.cz/imago.git/blobdiff_plain/8d05ccd11445ae069ae14dfb95d566907546e989..6e16bbc7797b679d6681eee08d9103984728b98f:/imago.py diff --git a/imago.py b/imago.py index 6ab51a1..3fa4f6b 100755 --- a/imago.py +++ b/imago.py @@ -1,135 +1,113 @@ #!/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 + +try: + import Image, ImageDraw +except ImportError, msg: + print >> sys.stderr, msg + sys.exit(1) -class UsageError(Exception): - def __init__(self, msg): - self.msg = msg +import im_debug +import linef +import manual +import intrsc +import gridf -def main(*argv): +def main(): """Main function of the program.""" - show_all = False - - 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 + parser = argparse.ArgumentParser(description=__doc__) + 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('-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: - image = Image.open(argv[0]) + image = Image.open(args.files[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") - - 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") + 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.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: + lines, l1, l2, bounds, hough = linef.find_lines(image, show_all, do_something, verbose) + grid, lines = gridf.find(lines, image.size, l1, l2, bounds, hough, do_something) + 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) + + 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 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() +class imsave(): + def __init__(self, saving_dir): + self.saving_dir = saving_dir + self.saving_num = 0 - 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()