X-Git-Url: http://git.tomasm.cz/imago.git/blobdiff_plain/612178b66bc87a8a5949334f0b08457b0233d78b..6f1565eb566394cd75f453303df30d904e333fa2:/imago.py diff --git a/imago.py b/imago.py index f0d64e8..f3a9eb7 100755 --- a/imago.py +++ b/imago.py @@ -1,65 +1,54 @@ #!/usr/bin/env python -"""Usage: -imago.py file - analyses the given file -imago.py file --debug - shows every step of the computation -imago.py --help - shows this help - -""" +"""Go image recognition""" import sys import os import math +import argparse 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 -class UsageError(Exception): - def __init__(self, msg): - self.msg = msg - Saving_dir = '' Saving_num = 0 -def main(*argv): +def main(): """Main function of the program.""" - show_all = False - do_something = im_debug.show - - 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 - if "--save" in argv: - global Saving_dir - Saving_dir = "saved/" + argv[0][:-4] + "/" - do_something = image_save - 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('-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, + help="save images instead of displaying them") + args = parser.parse_args() + + show_all = args.show_all + do_something = args.do_something 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 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") @@ -80,10 +69,18 @@ def main(*argv): 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") + hough2 = Hough(im_h2.size) im_hough2 = hough2.transform(im_h2) if show_all: @@ -91,16 +88,20 @@ def main(*argv): im_h3 = filters.high_pass(im_hough2, 120) if show_all: - do_something(im_h3, "third high pass filters") + do_something(im_h3, "third high pass filter") - lines = hough2.find_angle_distance(im_h3) + im_h3 = filters.components(im_h3) + if show_all: + do_something(im_h3, "components centers 2") + + lines = hough2.all_lines(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) + draw.line(line_from_angl_dist(line, im_h2.size), fill=255, width=5) if show_all: do_something(im_lines, "lines") @@ -108,10 +109,6 @@ def main(*argv): 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: @@ -130,20 +127,6 @@ def image_save(image, title=''): image.save(filename, 'JPEG') Saving_num += 1 -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()