X-Git-Url: http://git.tomasm.cz/imago.git/blobdiff_plain/cb5eb5a01ee68e22c9ac02a6feaf52c46bfc6c0e..790d9cb736d8a5e30b6fafb0e4c00b7495199f03:/imago.py?ds=sidebyside diff --git a/imago.py b/imago.py index 13702b0..45d165c 100755 --- a/imago.py +++ b/imago.py @@ -1,17 +1,11 @@ #!/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 @@ -23,66 +17,74 @@ 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 - - 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('file', metavar='file', nargs=1, + help="image to anlyse") + 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="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 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: - im_debug.show(image, "original image") + do_something(image, "original image") im_l = image.convert('L') if show_all: - im_debug.show(im_l, "ITU-R 601-2 luma transform") + do_something(im_l, "ITU-R 601-2 luma transform") im_edges = filters.edge_detection(im_l) if show_all: - im_debug.show(im_edges, "edge detection") + do_something(im_edges, "edge detection") im_h = filters.high_pass(im_edges, 100) if show_all: - im_debug.show(im_h, "high pass filters") + do_something(im_h, "high pass filters") hough1 = Hough(im_h.size) im_hough = hough1.transform(im_h) if show_all: - im_debug.show(im_hough, "hough transform") + 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: - im_debug.show(im_h2, "second high pass filters") + do_something(im_h2, "second high pass filters") hough2 = Hough(im_h2.size) im_hough2 = hough2.transform(im_h2) if show_all: - im_debug.show(im_hough2, "second hough transform") + do_something(im_hough2, "second hough transform") im_h3 = filters.high_pass(im_hough2, 120) if show_all: - im_debug.show(im_h3, "third high pass filters") + do_something(im_h3, "third high pass filters") lines = hough2.find_angle_distance(im_h3) @@ -93,25 +95,34 @@ def main(*argv): 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") + do_something(im_lines, "lines") im_c = combine(im_h2, im_lines) if show_all: - im_debug.show(im_c, "first hough x lines") + do_something(im_c, "first hough x lines") collapse(im_c) if show_all: - im_debug.show(im_c, "optimalised hough") + 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)) - im_debug.show(image, "the grid") + do_something(image, "the grid") 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 + def collapse(image): #HACK im_l = image.load()