def __init__(self, image_file, label_file, patch_size=(101, 101)):
self.input = prepared_dataset_image(image_file, border=patch_size)
self.image_size = image_size(prepared_dataset_image(image_file))
self.patch_size = patch_size
width, height = self.image_size
self.output = np.zeros((height, width))
self.verbose = TT.verbose
for (col, row, p) in load_csv(label_file):
self.output[row, col] = 1.0
def test_patch_centered_at():
patch_size = (101, 101)
image = prepared_dataset_image(root+'/tests/patch_at/source.tiff', patch_size)
test1 = prepared_dataset_image(root+'/tests/patch_at/patch_0_0.tiff')
test2 = prepared_dataset_image(root+'/tests/patch_at/patch_300_500.tiff')
test3 = prepared_dataset_image(root+'/tests/patch_at/patch_500_300.tiff')
test4 = prepared_dataset_image(root+'/tests/patch_at/patch_500_500.tiff')
assert numpy.array_equal(test1, patch_centered_at(image, row=50, col=50, size=patch_size))
assert numpy.array_equal(test2, patch_centered_at(image, row=350, col=550, size=patch_size))
assert numpy.array_equal(test3, patch_centered_at(image, row=550, col=350, size=patch_size))
assert numpy.array_equal(test4, patch_centered_at(image, row=550, col=550, size=patch_size))
def generator(self):
files = self.dataset.keys()
random.shuffle(files)
for filename in files:
image = prepared_dataset_image(os.path.join(self.root_path, filename), border=self.patch_size)
random.shuffle(self.dataset[filename])
for (col, row, p) in self.dataset[filename]:
patch = patch_centered_at(image, row=row, col=col, size=self.patch_size)
if self.rotation is False:
yield patch, p
else:
yield random_rotation(patch), p
def image_size(self):
if not hasattr(self, '_image_size'):
self._image_size = image_size(
prepared_dataset_image(
os.path.join(self.root_path, self.files[0][0])))
return self._image_size
# Fix Import
import numpy
from test import root_path
# Actual Imports
from utilities import pixel_at_index, prepared_dataset_image, image_size, index_at_pixel, patch_centered_at, np2img
root = root_path()
image = prepared_dataset_image(root+'/tests/patch_at/utilities.tiff')
def test_image_size():
global image
# 1. Image size
size = image_size(image)
assert (600, 300) == size
def test_pixel_at():
global image
size = image_size(image)
# 2. pixel index to row, col
assert (500, 2) == pixel_at_index(1700, size)
# 3. row, col to pixel index
assert 1700 == index_at_pixel(500, 2, size)
assert 120400 == index_at_pixel(400, 200, size)
def test_patch_centered_at():
patch_size = (101, 101)