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Rewriting image augmenter #2446

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Merged
merged 21 commits into from
Apr 26, 2016
Merged

Rewriting image augmenter #2446

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7b437c1
Much better image data augmentor
chsasank Apr 19, 2016
86da4f3
removed unnecessary functions
chsasank Apr 19, 2016
84ad1cf
shift origin to centre of the image for homographies
chsasank Apr 21, 2016
6dfaa5e
init commit
joelthchao Apr 21, 2016
f140bf4
change to zoom_range
joelthchao Apr 21, 2016
c299c71
Merge pull request #1 from joelthchao/master
chsasank Apr 21, 2016
08e0f59
Added scikit-image to extras_require in setup.py
chsasank Apr 21, 2016
2e2d31d
add zoom_range test, exception for invalid zoom_range
joelthchao Apr 21, 2016
4e4d273
add scikit-image to dependency
joelthchao Apr 21, 2016
bfef76c
fix fit and retain old functions for unit test
joelthchao Apr 21, 2016
f2df805
use ndi insteadskimage in random_transform
chsasank Apr 21, 2016
6ec0cd5
removed buggy code in random_rotations, shears etc and replaced it w…
chsasank Apr 21, 2016
3ede208
Merge pull request #2 from chsasank/nditransform
chsasank Apr 21, 2016
94af894
remove sci-image, implement ndimage based methods, refactor random_tr…
joelthchao Apr 22, 2016
d1b729f
random_zoom, array_to_img consider dim_ordering
joelthchao Apr 23, 2016
b97336e
add random_channel_shift, support fill_mode and cval
joelthchao Apr 24, 2016
53fc7c8
image doc, update test_image, PEP8
joelthchao Apr 24, 2016
50c17f6
fix channel shift clip
joelthchao Apr 25, 2016
a4f8a55
fix doc, refine code
joelthchao Apr 25, 2016
5c127d1
detail explain of zoom range
joelthchao Apr 25, 2016
e1f9fc8
check coding style
joelthchao Apr 26, 2016
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4 changes: 4 additions & 0 deletions docs/templates/preprocessing/image.md
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,10 @@ Generate batches of tensor image data with real-time data augmentation. The data
- __width_shift_range__: Float (fraction of total width). Range for random horizontal shifts.
- __height_shift_range__: Float (fraction of total height). Range for random vertical shifts.
- __shear_range__: Float. Shear Intensity (Shear angle in counter-clockwise direction as radians)
- __zoom_range__: Float or [lower, upper]. Range for random zoom.
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@chsasank chsasank Apr 25, 2016 •
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Shouldn't we explain if zoom_range is float, [lower, upper] = [1-zoom_range, 1+ zoom_range], because it is not apparent.

- __channel_shift_range__: Float. Range for random channel shifts.
- __fill_mode__: One of {"constant", "nearest", "reflect" or "wrap"}.
- __cval__: Float or Int. Value used for points outside the boundaries when `fill_mode` is "constant".
- __horizontal_flip__: Boolean. Randomly flip inputs horizontally.
- __vertical_flip__: Boolean. Randomly flip inputs vertically.
- __dim_ordering__: One of {"th", "tf"}.
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