X-Git-Url: http://git.tomasm.cz/imago.git/blobdiff_plain/8d05ccd11445ae069ae14dfb95d566907546e989..5c59d0214abee9c50a57ea258c83bf7c05e93a87:/imago.py?ds=sidebyside diff --git a/imago.py b/imago.py index 6ab51a1..f3a9eb7 100755 --- a/imago.py +++ b/imago.py @@ -1,115 +1,131 @@ #!/usr/bin/env python -"""Usage: imago.py file""" + +"""Go image recognition""" import sys +import os import math -import Image, ImageDraw +import argparse + +try: + import Image, ImageDraw +except ImportError, msg: + print >> sys.stderr, msg + sys.exit(1) + import im_debug -import filter +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 + 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: - 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 - - 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: - 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 = filter.edge_detection(im_l) + 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 = filter.high_pass(im_edges, 100) + im_h = filters.high_pass(im_edges, 100) if show_all: - im_debug.show(im_h, "high pass filter") + 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_h2 = filter.high_pass(im_hough, 120) + 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 filter") + 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: - im_debug.show(im_hough2, "second hough transform") + do_something(im_hough2, "second hough transform") - im_h3 = filter.high_pass(im_hough2, 120) + im_h3 = filters.high_pass(im_hough2, 120) if show_all: - im_debug.show(im_h3, "third high pass filter") + 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: - 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") - - collapse(im_c) - if show_all: - im_debug.show(im_c, "optimalised hough") + do_something(im_c, "first hough x lines") 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)) + 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 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 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() @@ -120,8 +136,8 @@ def combine(image1, image2): 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 + 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):