#!/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
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 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:
- 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
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:
- im_debug.show(im_h2, "second high pass filter")
+ 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_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 filters")
lines = hough2.find_angle_distance(im_h3)
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")
+ 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))
+ 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()
last = False
for y in xrange(image.size[1]):
- for x in xrange(image.size[0]):
- if im_l[x,y] and last:
+ 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
+ last = False
+ elif im_l[x, y]:
+ last = True
+ elif last:
+ last = False
def combine(image1, image2):
im_l1 = image1.load()
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):
projekty / imago.git / blobdiff