X-Git-Url: http://git.tomasm.cz/imago.git/blobdiff_plain/e34ac48a7387f7c359c1987f3a58ebcca154697e..1e4066f3ac16b0d438b2d1d6f02c3e0fc5ee67d2:/imago.py?ds=inline diff --git a/imago.py b/imago.py index 127ddd9..cf04f53 100755 --- a/imago.py +++ b/imago.py @@ -6,6 +6,7 @@ import sys import os import math import argparse +from operator import itemgetter try: import Image, ImageDraw @@ -33,22 +34,31 @@ def main(): 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 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 verbose: + print >> sys.stderr, "preprocessing" + if show_all: do_something(image, "original image") @@ -56,6 +66,9 @@ def main(): if show_all: do_something(im_l, "ITU-R 601-2 luma transform") + if verbose: + print >> sys.stderr, "edge detection" + im_edges = filters.edge_detection(im_l) if show_all: do_something(im_edges, "edge detection") @@ -64,6 +77,9 @@ def main(): if show_all: do_something(im_h, "high pass filters") + if verbose: + print >> sys.stderr, "hough transform" + hough1 = Hough(im_h.size) im_hough = hough1.transform(im_h) if show_all: @@ -81,7 +97,13 @@ def main(): if show_all: do_something(im_h2, "components centers") - hough2 = Hough(im_h2.size) + if verbose: + print >> sys.stderr, "second hough transform" + + hough2 = Hough(im_h2.size) + # im_hough might be used instead im_h2, but at the moment it brings a lot of + # noise to the second transform, which later confuses the center-finding + # mechanism (which is not very robust yet) im_hough2 = hough2.transform(im_h2) if show_all: do_something(im_hough2, "second hough transform") @@ -92,35 +114,68 @@ def main(): 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) + do_something(im_h3, "half centers") + + if verbose: + print >> sys.stderr, "finding the grid" + + lines_m = hough2.all_lines_h(im_h3) + lines = [] + im_c = im_h2.convert('RGB').convert('RGB', (1, 0.5, 0.5, 0)) + draw_c = ImageDraw.Draw(im_c) + + for line_l in lines_m: + im_line = Image.new('L', im_h2.size) + draw = ImageDraw.Draw(im_line) + line_points = set() + for line in line_l: + draw.line(line_from_angl_dist(line, im_h2.size), fill=255, width=5) + draw_c.line(line_from_angl_dist(line, im_c.size), fill=(70, 70, 70), width=5) + for p in combine(im_h2, im_line): + line_points.add(p) + for point in line_points: + draw_c.point(point, fill=(120, 255, 120)) + lines.append(hough1.lines_from_list(line_points)) - draw = ImageDraw.Draw(im_lines) - - for line in lines: - draw.line(line_from_angl_dist(line, im_h2.size), fill=255, width=5) if show_all: - do_something(im_lines, "lines") + do_something(im_c, "hough x lines") - im_c = combine(im_h2, im_lines) + image_g = image.copy() + draw = ImageDraw.Draw(image_g) + for line in [l for s in lines for l in s]: + draw.line(line_from_angl_dist(line, image.size), fill=(120, 255, 120)) if show_all: - do_something(im_c, "first hough x lines") - - lines = hough1.all_lines(im_c) - intersections = intersections_from_angl_dist(lines) - draw = ImageDraw.Draw(image) - for (x, y) in intersections: - draw.point((x + image.size[0] / 2, y + image.size[1] / 2), fill=(120, 255, 120)) - - print(len(intersections)) + do_something(image_g, "the grid") + + 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)) + + for line in intersections: + print ' '.join([stone_color(image, intersection) for intersection in + line]) - do_something(image, "the grid") + if show_all: + 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): + suma += sum(image.getpixel((x + i, y + j))) + 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 @@ -134,14 +189,13 @@ 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 + on_both.append((x, y)) + return on_both def line_from_angl_dist((angle, distance), size): x1 = - size[0] / 2 @@ -150,14 +204,16 @@ def line_from_angl_dist((angle, distance), size): y2 = int(round((x2 * math.sin(angle) - distance) / math.cos(angle))) + size[1] / 2 return [(0, y1), (size[0] - 1, y2)] -def intersections_from_angl_dist(lines): - intersections = set() - for (angl1, dist1) in lines: - for (angl2, dist2) in lines: - if abs(angl1 - angl2) > 0.3: +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)) - intersections.add((int(x), int(y))) + line.append((int(x + size[0] / 2), int(y + size[1] / 2))) + intersections.append(line) return intersections if __name__ == '__main__':