#!/usr/bin/env python
-"""Usage: imago.py file"""
+
+"""Go image recognition"""
import sys
-import Image
-import im_debug
-import filter
-import hough
+import os
+import argparse
+import pickle
-class UsageError(Exception):
- def __init__(self, msg):
- self.msg = msg
+try:
+ import Image, ImageDraw
+except ImportError, msg:
+ print >> sys.stderr, msg
+ sys.exit(1)
-def main(*argv):
+import im_debug
+import linef
+import manual
+import intrsc
+import gridf
+
+def main():
"""Main function of the program."""
+
+ parser = argparse.ArgumentParser(description=__doc__)
+ parser.add_argument('files', metavar='file', nargs='+',
+ help="image to analyse")
+ parser.add_argument('-w', type=int, default=640,
+ help="scale image to the specified width before analysis")
+ parser.add_argument('-m', '--manual', dest='manual_mode',
+ action='store_true',
+ help="manual grid selection")
+ parser.add_argument('-d', '--debug', dest='show_all',
+ action='store_true',
+ help="show every step of the computation")
+ parser.add_argument('-s', '--save', dest='saving', action='store_true',
+ help="save images instead of displaying them")
+ parser.add_argument('-c', '--cache', dest='l_cache', action='store_true',
+ help="use cached lines")
+ parser.add_argument('-v', '--verbose', dest='verbose', action='store_true',
+ help="report progress")
+ args = parser.parse_args()
+
+ show_all = args.show_all
+ verbose = args.verbose
+
try:
- if argv is ():
- argv = sys.argv[1:]
- if argv == []:
- raise UsageError('Missing filename')
- if "--help" in argv:
- print __doc__
- return 0
- except UsageError, err:
- print >>sys.stderr, err.msg, "(\"imago.py --help\" for help)"
- return 2
+ image = Image.open(args.files[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)
+ do_something = im_debug.show
+ if args.saving:
+ do_something = Imsave("saved/" + args.files[0][:-4] + "_" +
+ str(image.size[0]) + "/").save
- #TODO exception on file error
- image = Image.open(argv[0])
- #im_debug.show(image, "original image")
+ if args.manual_mode:
+ try:
+ lines = manual.find_lines(image)
+ except manual.UserQuitError:
+ #TODO ask user to try again
+ return 1
+ else:
+ if args.l_cache:
+ filename = ("saved/cache/" + args.files[0][:-4] + "_" +
+ str(image.size[0]))
+ cache_dir = "/".join(filename.split('/')[:-1])
+ if os.path.exists(filename):
+ lines, l1, l2, bounds, hough = pickle.load(open(filename))
+ print >> sys.stderr, "using cached results"
+ im_h = None
+ else:
+ lines, l1, l2, bounds, hough, im_h = linef.find_lines(image, show_all, do_something, verbose)
+ if not os.path.isdir(cache_dir):
+ os.makedirs(cache_dir)
+ d_file = open(filename, 'wb')
+ pickle.dump((lines, l1, l2, bounds, hough), d_file)
+ d_file.close()
+ else:
+ lines, l1, l2, bounds, hough, im_h = linef.find_lines(image, show_all, do_something, verbose)
- im_l = image.convert('L')
- #im_debug.show(im_l, "ITU-R 601-2 luma transform")
+ grid, lines = gridf.find(lines, image.size, l1, l2, bounds, hough,
+ do_something, im_h)
+ if show_all:
+ im_g = image.copy()
+ draw = ImageDraw.Draw(im_g)
+ for l in grid[0] + grid[1]:
+ draw.line(l, fill=(64, 255, 64), width=1)
+ do_something(im_g, "grid", name="grid")
- im_edges = filter.edge_detection(im_l)
- #im_debug.show(im_edges, "edge detection")
+ board, board_raw = intrsc.board(image, lines, show_all, do_something)
- im_h = filter.high_pass(im_edges, 80)
- #im_debug.show(im_h, "high pass filter")
+ ### Show color distribution
+ #import matplotlib.pyplot as pyplot
+ #luma = [(0.30 * s[0] + 0.59 * s[1] + 0.11 * s[2]) / 255.
+ # for s in sum(board_raw, [])]
+ #pyplot.scatter(luma,
+ # [(max(s) - min(s)) / (255 - abs(max(s) + min(s) - 255))
+ # for s in sum(board_raw, [])],
+ # color=[(s[0]/255., s[1]/255., s[2]/255., 1.) for s in sum(board_raw, [])])
+ #pyplot.show()
+ ###
- im_hough = hough.transform(im_h)
- im_debug.show(im_hough, "hough transform")
+ #simple ASCII output:
+ for line in board:
+ print ' '.join(line)
+
+ if len(args.files) > 1:
+ for f in args.files[1:]:
+ try:
+ image = Image.open(f)
+ except IOError, msg:
+ print >> sys.stderr, msg
+ continue
+ if image.mode == 'P':
+ image = image.convert('RGB')
+ board = intrsc.board(image, lines, show_all, do_something)
+ for line in board:
+ print ' '.join(line)
return 0
+class Imsave():
+ def __init__(self, saving_dir):
+ self.saving_dir = saving_dir
+ self.saving_num = 0
+
+ def save(self, image, title='', name=None):
+ if name:
+ filename = self.saving_dir + name + '.jpg'
+ else:
+ filename = self.saving_dir + "{0:0>2}".format(self.saving_num) + '.jpg'
+ self.saving_num += 1
+ if not os.path.isdir(self.saving_dir):
+ os.makedirs(self.saving_dir)
+ image.save(filename, 'JPEG')
+
if __name__ == '__main__':
- sys.exit(main())
+ try:
+ sys.exit(main())
+ except KeyboardInterrupt:
+ print "Interrupted."
+ sys.exit()
projekty / imago.git / blobdiff