def test_chessboard(self):
"""
Test compute method on the chessboard matrix.
Test the final result is still a chessboard matrix with tiles of the
same size as the ones in the input.
"""
q = Quilt(np.float64(self.chessboard),
output_size=[16, 16],
tilesize=4,
overlap=2,
error=0,
constraint_start=True)
q.debug = False
q.compute()
result = q.get_result()[0]
# check the dimension
self.assertEqual((16, 16, 3), result.shape)
assert_array_equal(result[:, :, 0], result[:, :, 1], result[:, :, 2])
# check the values
result = result[:, :, 0]
expected = np.asarray([[1, 1, 0, 0], [1, 1, 0, 0], [0, 0, 1, 1],
[0, 0, 1, 1]])
for i in xrange(0, result.shape[0] - 4, 4):
for j in xrange(0, result.shape[1] - 4, 4):
patch = result[i:i + 4, j:j + 4]
assert_array_equal(expected, patch)
def _launch_quilt(debug, final_path, src, **kwargs):
"""
Launches quilt process with the parsed arguments.
"""
multi_proc = kwargs.pop('multiprocess')
# ------------- quilt --------------
qs = time.time()
log.info('Quilt started at {0}'.format(time.strftime("%H:%M:%S")))
try:
# compute quilting
Quilt.debug = debug
q = Quilt(src, **kwargs)
if multi_proc:
q.optimized_compute()
else:
q.compute()
# get the result
result = q.get_result()
if debug:
show(result)
save(result, final_path)
except ValueError as err:
log.error(err.message)
return
t = (time.time() - qs) / 60
log.debug('Quilt took {0:0.6f} minutes'.format(t))
log.info('End {0}'.format(time.strftime("%H:%M:%S")))
def test_eye(self):
"""
Test compute method on the known eye matrix. This method is more
accurate but it is slower.
Test the final result is a composition of eye matrices:
for every pixel P, check its neighborhood as following:
- if P = 1: 1 .5 .5 - if P = .5: .5 * *
.5 P .5 * P *
.5 .5 1 * * .5
"""
q = Quilt(self.eye,
output_size=[10, 10],
tilesize=4,
overlap=2,
error=0,
constraint_start=True)
q.debug = False
q.compute()
result = q.get_result()[0]
# if there is a 1, its neighborhood must be: 1 .5 .5
# .5 1 .5
# .5 .5 1
self.assertEqual((10, 10, 3), result.shape)
assert_array_equal(result[:, :, 0], result[:, :, 1], result[:, :, 2])
result = result[:, :, 0]
expected = np.asarray([[1, 0.5, 0.5], [0.5, 1, 0.5], [0.5, 0.5, 1]])
for i in range(1, result.shape[0] - 1):
for j in range(1, result.shape[1] - 1):
self.assertIn(result[i, j], [1, 0.5])
if result[i, j] == 1:
np.testing.assert_array_equal(
expected, result[i - 1:i + 2, j - 1:j + 2])
else:
try:
np.testing.assert_array_equal(0.5, result[i - 1,
j - 1])
np.testing.assert_array_equal(0.5, result[i + 1,
j + 1])
except AssertionError as err:
print err