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Change default fill_mode from nearest to constant #3

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Change default fill_mode from nearest to constant #3

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14 changes: 7 additions & 7 deletions keras_preprocessing/image.py
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Original file line number Diff line number Diff line change
Expand Up @@ -43,7 +43,7 @@


def random_rotation(x, rg, row_axis=1, col_axis=2, channel_axis=0,
fill_mode='nearest', cval=0.):
fill_mode='constant', cval=0.):
"""Performs a random rotation of a Numpy image tensor.

# Arguments
Expand All @@ -68,7 +68,7 @@ def random_rotation(x, rg, row_axis=1, col_axis=2, channel_axis=0,


def random_shift(x, wrg, hrg, row_axis=1, col_axis=2, channel_axis=0,
fill_mode='nearest', cval=0.):
fill_mode='constant', cval=0.):
"""Performs a random spatial shift of a Numpy image tensor.

# Arguments
Expand Down Expand Up @@ -96,7 +96,7 @@ def random_shift(x, wrg, hrg, row_axis=1, col_axis=2, channel_axis=0,


def random_shear(x, intensity, row_axis=1, col_axis=2, channel_axis=0,
fill_mode='nearest', cval=0.):
fill_mode='constant', cval=0.):
"""Performs a random spatial shear of a Numpy image tensor.

# Arguments
Expand All @@ -121,7 +121,7 @@ def random_shear(x, intensity, row_axis=1, col_axis=2, channel_axis=0,


def random_zoom(x, zoom_range, row_axis=1, col_axis=2, channel_axis=0,
fill_mode='nearest', cval=0.):
fill_mode='constant', cval=0.):
"""Performs a random spatial zoom of a Numpy image tensor.

# Arguments
Expand Down Expand Up @@ -249,7 +249,7 @@ def transform_matrix_offset_center(matrix, x, y):

def apply_affine_transform(x, theta=0, tx=0, ty=0, shear=0, zx=1, zy=1,
row_axis=0, col_axis=1, channel_axis=2,
fill_mode='nearest', cval=0.):
fill_mode='constant', cval=0.):
"""Applies an affine transformation specified by the parameters given.

# Arguments
Expand Down Expand Up @@ -537,7 +537,7 @@ class ImageDataGenerator(object):
If a float, `[lower, upper] = [1-zoom_range, 1+zoom_range]`.
channel_shift_range: Float. Range for random channel shifts.
fill_mode: One of {"constant", "nearest", "reflect" or "wrap"}.
Default is 'nearest'.
Default is 'constant'.
Points outside the boundaries of the input are filled
according to the given mode:
- 'constant': kkkkkkkk|abcd|kkkkkkkk (cval=k)
Expand Down Expand Up @@ -689,7 +689,7 @@ def __init__(self,
shear_range=0.,
zoom_range=0.,
channel_shift_range=0.,
fill_mode='nearest',
fill_mode='constant',
cval=0.,
horizontal_flip=False,
vertical_flip=False,
Expand Down