X-Git-Url: http://git.tomasm.cz/imago.git/blobdiff_plain/ba7978f0ac03e56190df7ed04f8a6e03c4193546..890c6fc05c289fa41d3db2f17037f3b7428151fb:/imago.py diff --git a/imago.py b/imago.py index 511027b..ea9ee6c 100755 --- a/imago.py +++ b/imago.py @@ -6,16 +6,16 @@ import sys import os import math import argparse +from operator import itemgetter 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 +import linef Saving_dir = '' Saving_num = 0 @@ -25,101 +25,70 @@ def main(): parser = argparse.ArgumentParser(description=__doc__) parser.add_argument('file', metavar='file', nargs=1, - help="image to anlyse") + help="image to analyse") parser.add_argument('-w', type=int, default=640, - help="scales image to the specified width before analysis") + 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") + 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 + do_something = args.do_something + verbose = args.verbose try: image = Image.open(args.file[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") + lines = linef.find_lines(image, show_all, do_something, verbose) + + intersections = intersections_from_angl_dist(lines, image.size) + image_g = image.copy() + draw = ImageDraw.Draw(image_g) + for line in intersections: + for (x, y) in line: + draw.point((x , y), fill=(120, 255, 120)) - hough1 = Hough(im_h.size) - im_hough = hough1.transform(im_h) - 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_c = filters.components(im_h2) - if show_all: - do_something(im_c, "components centers") - - """ - hough2 = Hough(im_h2.size) - im_hough2 = hough2.transform(im_h2) - if show_all: - do_something(im_hough2, "second hough transform") + for line in intersections: + print ' '.join([stone_color(image, intersection) for intersection in + line]) - 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") + do_something(image_g, "intersections") return 0 +def stone_color(image, (x, y)): + suma = 0. + for i in range(-2, 3): + for j in range(-2, 3): + try: + suma += sum(image.getpixel((x + i, y + j))) + except IndexError: + pass + suma /= 3 * 25 + if suma < 55: + return 'B' + elif suma < 200: + return '.' + else: + return 'W' + def image_save(image, title=''): global Saving_dir global Saving_num @@ -129,39 +98,35 @@ 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() - im_n = Image.new('L', image1.size) - im_nl = im_n.load() + on_both = [] 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)] + on_both.append((x, y)) + return on_both + +def intersections_from_angl_dist(lines, size): + intersections = [] + for (angl1, dist1) in sorted(lines[1], key=itemgetter(1)): + line = [] + for (angl2, dist2) in sorted(lines[0], key=itemgetter(1)): + if abs(angl1 - angl2) > 0.4: + x = - ((dist2 / math.cos(angl2))-(dist1 / math.cos(angl1))) / (math.tan(angl1) - math.tan(angl2)) + y = (math.tan(angl1) * x) - (dist1 / math.cos(angl1)) + if (-size[0] / 2 < x < size[0] / 2 and + -size[1] / 2 < y < size[1] / 2): + line.append((int(x + size[0] / 2), int(y + size[1] / 2))) + intersections.append(line) + return intersections if __name__ == '__main__': - sys.exit(main()) + try: + sys.exit(main()) + except KeyboardInterrupt: + print "Interrupted." + sys.exit()