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Fix typo in convert_image_to_dtype

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PiperOrigin-RevId: 169252296
This commit is contained in:
Allen Lavoie 2017-09-19 09:30:06 -07:00 committed by TensorFlower Gardener
parent 095f6aa7d1
commit 5b94356280
2 changed files with 9 additions and 1 deletions
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2
tensorflow/python/ops/image_ops_impl.py
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@ -1061,7 +1061,7 @@ def convert_image_dtype(image, dtype, saturate=False, name=None):
# Scaling up, cast first, then scale. The scale will not map in.max to
# out.max, but converting back and forth should result in no change.
if saturate:
cast = math_ops.saturate_cast(scaled, dtype)
cast = math_ops.saturate_cast(image, dtype)
else:
cast = math_ops.cast(image, dtype)
scale = (scale_out + 1) // (scale_in + 1)

8
tensorflow/python/ops/image_ops_test.py
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@ -2655,6 +2655,12 @@ class ConvertImageTest(test_util.TensorFlowTestCase):
y = image_ops.convert_image_dtype(image, output_dtype)
self.assertTrue(y.dtype == output_dtype)
self.assertAllClose(y.eval(), y_np, atol=1e-5)
if output_dtype in [dtypes.float32, dtypes.float64,
dtypes.int32, dtypes.int64]:
y_saturate = image_ops.convert_image_dtype(
image, output_dtype, saturate=True)
self.assertTrue(y_saturate.dtype == output_dtype)
self.assertAllClose(y_saturate.eval(), y_np, atol=1e-5)
def testNoConvert(self):
# Make sure converting to the same data type creates only an identity op
@ -2670,6 +2676,8 @@ class ConvertImageTest(test_util.TensorFlowTestCase):
with self.test_session(use_gpu=True):
self._convert([0, 255], dtypes.uint8, dtypes.int16, [0, 255 * 128])
self._convert([0, 32767], dtypes.int16, dtypes.uint8, [0, 255])
self._convert([0, 2 ** 32], dtypes.int64, dtypes.int32, [0, 1])
self._convert([0, 1], dtypes.int32, dtypes.int64, [0, 2 ** 32])
def testConvertBetweenFloat(self):
# Make sure converting to between float types does nothing interesting