def main():
aug = iaa.BlendAlphaMask(
iaa.SomeColorsMaskGen(),
iaa.OneOf([iaa.TotalDropout(1.0),
iaa.AveragePooling(8)]))
aug2 = iaa.BlendAlphaSomeColors(
iaa.OneOf([iaa.TotalDropout(1.0),
iaa.AveragePooling(8)]))
urls = [
("https://upload.wikimedia.org/wikipedia/commons/thumb/4/43/"
"Sarcophilus_harrisii_taranna.jpg/"
"320px-Sarcophilus_harrisii_taranna.jpg"),
("https://upload.wikimedia.org/wikipedia/commons/thumb/b/ba/"
"Vincent_van_Gogh_-_Wheatfield_with_crows_-_Google_Art_Project.jpg/"
"320px-Vincent_van_Gogh_-_Wheatfield_with_crows_-_Google_Art_Project"
".jpg"),
("https://upload.wikimedia.org/wikipedia/commons/thumb/0/0c/"
"Galerella_sanguinea_Zoo_Praha_2011-2.jpg/207px-Galerella_sanguinea_"
"Zoo_Praha_2011-2.jpg"),
("https://upload.wikimedia.org/wikipedia/commons/thumb/9/96/"
"Ambrosius_Bosschaert_the_Elder_%28Dutch_-_Flower_Still_Life_-_"
"Google_Art_Project.jpg/307px-Ambrosius_Bosschaert_the_Elder_%28"
"Dutch_-_Flower_Still_Life_-_Google_Art_Project.jpg")
]
for url in urls:
img = imageio.imread(url)
ia.imshow(ia.draw_grid(aug(images=[img] * 25), cols=5, rows=5))
ia.imshow(ia.draw_grid(aug2(images=[img] * 25), cols=5, rows=5))
def chapter_augmenters_totaldropout():
fn_start = "arithmetic/totaldropout"
aug = iaa.TotalDropout(1.0)
run_and_save_augseq(fn_start + "_100_percent.jpg",
aug, [ia.quokka(size=(64, 64)) for _ in range(8 * 1)],
cols=8,
rows=1)
aug = iaa.TotalDropout(0.5)
run_and_save_augseq(fn_start + "_50_percent.jpg",
aug, [ia.quokka(size=(64, 64)) for _ in range(8 * 2)],
cols=8,
rows=2)
def chapter_augmenters_blendalphahorizontallineargradient():
fn_start = "blend/blendalphahorizontallineargradient"
aug = iaa.BlendAlphaHorizontalLinearGradient(iaa.AddToHue((-100, 100)))
run_and_save_augseq(fn_start + "_hue.jpg",
aug,
[ia.quokka(size=(128, 128)) for _ in range(4 * 2)],
cols=4,
rows=2)
aug = iaa.BlendAlphaHorizontalLinearGradient(iaa.TotalDropout(1.0),
min_value=0.2,
max_value=0.8)
run_and_save_augseq(fn_start + "_total_dropout.jpg",
aug,
[ia.quokka(size=(128, 128)) for _ in range(4 * 2)],
cols=4,
rows=2)
aug = iaa.BlendAlphaHorizontalLinearGradient(iaa.AveragePooling(11),
start_at=(0.0, 1.0),
end_at=(0.0, 1.0))
run_and_save_augseq(fn_start + "_pooling.jpg",
aug,
[ia.quokka(size=(128, 128)) for _ in range(4 * 2)],
cols=4,
rows=2)
def main():
aug = iaa.BlendAlphaMask(
iaa.SegMapClassIdsMaskGen(1),
iaa.OneOf([iaa.TotalDropout(1.0),
iaa.AveragePooling(8)]))
aug2 = iaa.BlendAlphaSegMapClassIds(
1, iaa.OneOf([iaa.TotalDropout(1.0),
iaa.AveragePooling(8)]))
image = ia.quokka(0.25)
segmap = ia.quokka_segmentation_map(0.25)
images_aug, segmaps_aug = aug(images=[image] * 25,
segmentation_maps=[segmap] * 25)
ia.imshow(ia.draw_grid(images_aug, cols=5, rows=5))
images_aug, segmaps_aug = aug2(images=[image] * 25,
segmentation_maps=[segmap] * 25)
ia.imshow(ia.draw_grid(images_aug, cols=5, rows=5))
def chapter_augmenters_blendalphasomecolors():
fn_start = "blend/blendalphasomecolors"
image = imageio.imread(
os.path.join(DOCS_IMAGES_BASE_PATH, "input_images",
"1280px-Vincent_Van_Gogh_-_Wheatfield_with_Crows.jpg"))
# ca. 15% of original size
image = ia.imresize_single_image(image, (92, 192))
aug = iaa.BlendAlphaSomeColors(iaa.Grayscale(1.0))
run_and_save_augseq(fn_start + "_grayscale.jpg",
aug, [image for _ in range(4 * 3)],
cols=4,
rows=3)
aug = iaa.BlendAlphaSomeColors(iaa.TotalDropout(1.0))
run_and_save_augseq(fn_start + "_total_dropout.jpg",
aug, [image for _ in range(4 * 3)],
cols=4,
rows=3)
aug = iaa.BlendAlphaSomeColors(iaa.MultiplySaturation(0.5),
iaa.MultiplySaturation(1.5))
run_and_save_augseq(fn_start + "_saturation.jpg",
aug, [image for _ in range(4 * 3)],
cols=4,
rows=3)
aug = iaa.BlendAlphaSomeColors(iaa.AveragePooling(7),
alpha=[0.0, 1.0],
smoothness=0.0)
run_and_save_augseq(fn_start + "_pooling.jpg",
aug, [image for _ in range(4 * 3)],
cols=4,
rows=3)
aug = iaa.BlendAlphaSomeColors(iaa.AveragePooling(7),
nb_bins=2,
smoothness=0.0)
run_and_save_augseq(fn_start + "_pooling_2_bins.jpg",
aug, [image for _ in range(4 * 4)],
cols=4,
rows=4)
aug = iaa.BlendAlphaSomeColors(iaa.AveragePooling(7),
from_colorspace="BGR")
run_and_save_augseq(fn_start + "_pooling_bgr.jpg",
aug, [image[:, :, ::-1] for _ in range(4 * 2)],
cols=4,
rows=2,
image_colorspace=iaa.CSPACE_BGR)
def make_synthetic_prev_mask_complex_mask_augmenter(crop_size):
h, w = crop_size
return iaa.Sequential([
iaa.Sometimes(0.5, iaa.Lambda(func_segmentation_maps=choose_random_objects_mask_augmenter)),
iaa.Lambda(func_segmentation_maps=morph_close_mask_augmenter),
iaa.Sometimes(0.3,
# failed mask
iaa.OneOf([
iaa.TotalDropout(1.0), # fill image
iaa.Sequential([ # fail mask
iaa.OneOf([
iaa.Lambda(func_segmentation_maps=make_morph_operation_mask_augmenter(cv2.erode, min_coef=0.2, max_coef=0.5)),
iaa.Lambda(func_segmentation_maps=make_morph_operation_mask_augmenter(cv2.dilate, min_coef=0.2, max_coef=0.5)),
]),
iaa.Affine(translate_percent=iap.Choice([iap.Uniform(-0.5, -0.2), iap.Uniform(0.2, 0.5)]))
])
]),
# normal mask
iaa.Sequential([
iaa.Sometimes(0.1, iaa.OneOf([
iaa.Lambda(func_segmentation_maps=make_morph_operation_mask_augmenter(cv2.erode)), # smaller mask
iaa.Lambda(func_segmentation_maps=make_morph_operation_mask_augmenter(cv2.dilate)), # larger mask
])),
iaa.Sometimes(1.0, iaa.Affine(
scale=iap.Normal(loc=1, scale=0.02),
translate_percent=iap.Normal(loc=0, scale=0.03),
shear=iap.Normal(loc=0, scale=1),
backend='cv2'
)),
iaa.Sometimes(0.1,
iaa.ElasticTransformation(alpha=2000, sigma=50)
),
iaa.Sometimes(0.1,
iaa.PiecewiseAffine()
)
])
)
], random_order=False)
def create_augmenters(height, width, height_augmentable, width_augmentable, only_augmenters):
def lambda_func_images(images, random_state, parents, hooks):
return images
def lambda_func_heatmaps(heatmaps, random_state, parents, hooks):
return heatmaps
def lambda_func_keypoints(keypoints, random_state, parents, hooks):
return keypoints
def assertlambda_func_images(images, random_state, parents, hooks):
return True
def assertlambda_func_heatmaps(heatmaps, random_state, parents, hooks):
return True
def assertlambda_func_keypoints(keypoints, random_state, parents, hooks):
return True
augmenters_meta = [
iaa.Sequential([iaa.Noop(), iaa.Noop()], random_order=False, name="Sequential_2xNoop"),
iaa.Sequential([iaa.Noop(), iaa.Noop()], random_order=True, name="Sequential_2xNoop_random_order"),
iaa.SomeOf((1, 3), [iaa.Noop(), iaa.Noop(), iaa.Noop()], random_order=False, name="SomeOf_3xNoop"),
iaa.SomeOf((1, 3), [iaa.Noop(), iaa.Noop(), iaa.Noop()], random_order=True, name="SomeOf_3xNoop_random_order"),
iaa.OneOf([iaa.Noop(), iaa.Noop(), iaa.Noop()], name="OneOf_3xNoop"),
iaa.Sometimes(0.5, iaa.Noop(), name="Sometimes_Noop"),
iaa.WithChannels([1, 2], iaa.Noop(), name="WithChannels_1_and_2_Noop"),
iaa.Identity(name="Identity"),
iaa.Noop(name="Noop"),
iaa.Lambda(func_images=lambda_func_images, func_heatmaps=lambda_func_heatmaps, func_keypoints=lambda_func_keypoints,
name="Lambda"),
iaa.AssertLambda(func_images=assertlambda_func_images, func_heatmaps=assertlambda_func_heatmaps,
func_keypoints=assertlambda_func_keypoints, name="AssertLambda"),
iaa.AssertShape((None, height_augmentable, width_augmentable, None), name="AssertShape"),
iaa.ChannelShuffle(0.5, name="ChannelShuffle")
]
augmenters_arithmetic = [
iaa.Add((-10, 10), name="Add"),
iaa.AddElementwise((-10, 10), name="AddElementwise"),
#iaa.AddElementwise((-500, 500), name="AddElementwise"),
iaa.AdditiveGaussianNoise(scale=(5, 10), name="AdditiveGaussianNoise"),
iaa.AdditiveLaplaceNoise(scale=(5, 10), name="AdditiveLaplaceNoise"),
iaa.AdditivePoissonNoise(lam=(1, 5), name="AdditivePoissonNoise"),
iaa.Multiply((0.5, 1.5), name="Multiply"),
iaa.MultiplyElementwise((0.5, 1.5), name="MultiplyElementwise"),
iaa.Cutout(nb_iterations=1, name="Cutout-fill_constant"),
iaa.Dropout((0.01, 0.05), name="Dropout"),
iaa.CoarseDropout((0.01, 0.05), size_percent=(0.01, 0.1), name="CoarseDropout"),
iaa.Dropout2d(0.1, name="Dropout2d"),
iaa.TotalDropout(0.1, name="TotalDropout"),
iaa.ReplaceElementwise((0.01, 0.05), (0, 255), name="ReplaceElementwise"),
#iaa.ReplaceElementwise((0.95, 0.99), (0, 255), name="ReplaceElementwise"),
iaa.SaltAndPepper((0.01, 0.05), name="SaltAndPepper"),
iaa.ImpulseNoise((0.01, 0.05), name="ImpulseNoise"),
iaa.CoarseSaltAndPepper((0.01, 0.05), size_percent=(0.01, 0.1), name="CoarseSaltAndPepper"),
iaa.Salt((0.01, 0.05), name="Salt"),
iaa.CoarseSalt((0.01, 0.05), size_percent=(0.01, 0.1), name="CoarseSalt"),
iaa.Pepper((0.01, 0.05), name="Pepper"),
iaa.CoarsePepper((0.01, 0.05), size_percent=(0.01, 0.1), name="CoarsePepper"),
iaa.Invert(0.1, name="Invert"),
# ContrastNormalization
iaa.JpegCompression((50, 99), name="JpegCompression")
]
augmenters_artistic = [
iaa.Cartoon(name="Cartoon")
]
augmenters_blend = [
iaa.BlendAlpha((0.01, 0.99), iaa.Identity(), name="Alpha"),
iaa.BlendAlphaElementwise((0.01, 0.99), iaa.Identity(), name="AlphaElementwise"),
iaa.BlendAlphaSimplexNoise(iaa.Identity(), name="SimplexNoiseAlpha"),
iaa.BlendAlphaFrequencyNoise((-2.0, 2.0), iaa.Identity(), name="FrequencyNoiseAlpha"),
iaa.BlendAlphaSomeColors(iaa.Identity(), name="BlendAlphaSomeColors"),
iaa.BlendAlphaHorizontalLinearGradient(iaa.Identity(), name="BlendAlphaHorizontalLinearGradient"),
iaa.BlendAlphaVerticalLinearGradient(iaa.Identity(), name="BlendAlphaVerticalLinearGradient"),
iaa.BlendAlphaRegularGrid(nb_rows=(2, 8), nb_cols=(2, 8), foreground=iaa.Identity(), name="BlendAlphaRegularGrid"),
iaa.BlendAlphaCheckerboard(nb_rows=(2, 8), nb_cols=(2, 8), foreground=iaa.Identity(), name="BlendAlphaCheckerboard"),
# TODO BlendAlphaSegMapClassId
# TODO BlendAlphaBoundingBoxes
]
augmenters_blur = [
iaa.GaussianBlur(sigma=(1.0, 5.0), name="GaussianBlur"),
iaa.AverageBlur(k=(3, 11), name="AverageBlur"),
iaa.MedianBlur(k=(3, 11), name="MedianBlur"),
iaa.BilateralBlur(d=(3, 11), name="BilateralBlur"),
iaa.MotionBlur(k=(3, 11), name="MotionBlur"),
iaa.MeanShiftBlur(spatial_radius=(5.0, 40.0), color_radius=(5.0, 40.0),
name="MeanShiftBlur")
]
augmenters_collections = [
iaa.RandAugment(n=2, m=(6, 12), name="RandAugment")
]
augmenters_color = [
# InColorspace (deprecated)
iaa.WithColorspace(to_colorspace="HSV", children=iaa.Noop(), name="WithColorspace"),
iaa.WithBrightnessChannels(iaa.Identity(), name="WithBrightnessChannels"),
iaa.MultiplyAndAddToBrightness(mul=(0.7, 1.3), add=(-30, 30), name="MultiplyAndAddToBrightness"),
iaa.MultiplyBrightness((0.7, 1.3), name="MultiplyBrightness"),
iaa.AddToBrightness((-30, 30), name="AddToBrightness"),
iaa.WithHueAndSaturation(children=iaa.Noop(), name="WithHueAndSaturation"),
iaa.MultiplyHueAndSaturation((0.8, 1.2), name="MultiplyHueAndSaturation"),
iaa.MultiplyHue((-1.0, 1.0), name="MultiplyHue"),
iaa.MultiplySaturation((0.8, 1.2), name="MultiplySaturation"),
iaa.RemoveSaturation((0.01, 0.99), name="RemoveSaturation"),
iaa.AddToHueAndSaturation((-10, 10), name="AddToHueAndSaturation"),
iaa.AddToHue((-10, 10), name="AddToHue"),
iaa.AddToSaturation((-10, 10), name="AddToSaturation"),
iaa.ChangeColorspace(to_colorspace="HSV", name="ChangeColorspace"),
iaa.Grayscale((0.01, 0.99), name="Grayscale"),
iaa.KMeansColorQuantization((2, 16), name="KMeansColorQuantization"),
iaa.UniformColorQuantization((2, 16), name="UniformColorQuantization"),
iaa.UniformColorQuantizationToNBits((1, 7), name="UniformQuantizationToNBits"),
iaa.Posterize((1, 7), name="Posterize")
]
augmenters_contrast = [
iaa.GammaContrast(gamma=(0.5, 2.0), name="GammaContrast"),
iaa.SigmoidContrast(gain=(5, 20), cutoff=(0.25, 0.75), name="SigmoidContrast"),
iaa.LogContrast(gain=(0.7, 1.0), name="LogContrast"),
iaa.LinearContrast((0.5, 1.5), name="LinearContrast"),
iaa.AllChannelsCLAHE(clip_limit=(2, 10), tile_grid_size_px=(3, 11), name="AllChannelsCLAHE"),
iaa.CLAHE(clip_limit=(2, 10), tile_grid_size_px=(3, 11), to_colorspace="HSV", name="CLAHE"),
iaa.AllChannelsHistogramEqualization(name="AllChannelsHistogramEqualization"),
iaa.HistogramEqualization(to_colorspace="HSV", name="HistogramEqualization"),
]
augmenters_convolutional = [
iaa.Convolve(np.float32([[0, 0, 0], [0, 1, 0], [0, 0, 0]]), name="Convolve_3x3"),
iaa.Sharpen(alpha=(0.01, 0.99), lightness=(0.5, 2), name="Sharpen"),
iaa.Emboss(alpha=(0.01, 0.99), strength=(0, 2), name="Emboss"),
iaa.EdgeDetect(alpha=(0.01, 0.99), name="EdgeDetect"),
iaa.DirectedEdgeDetect(alpha=(0.01, 0.99), name="DirectedEdgeDetect")
]
augmenters_edges = [
iaa.Canny(alpha=(0.01, 0.99), name="Canny")
]
augmenters_flip = [
iaa.Fliplr(1.0, name="Fliplr"),
iaa.Flipud(1.0, name="Flipud")
]
augmenters_geometric = [
iaa.Affine(scale=(0.9, 1.1), translate_percent={"x": (-0.05, 0.05), "y": (-0.05, 0.05)}, rotate=(-10, 10),
shear=(-10, 10), order=0, mode="constant", cval=(0, 255), name="Affine_order_0_constant"),
iaa.Affine(scale=(0.9, 1.1), translate_percent={"x": (-0.05, 0.05), "y": (-0.05, 0.05)}, rotate=(-10, 10),
shear=(-10, 10), order=1, mode="constant", cval=(0, 255), name="Affine_order_1_constant"),
iaa.Affine(scale=(0.9, 1.1), translate_percent={"x": (-0.05, 0.05), "y": (-0.05, 0.05)}, rotate=(-10, 10),
shear=(-10, 10), order=3, mode="constant", cval=(0, 255), name="Affine_order_3_constant"),
iaa.Affine(scale=(0.9, 1.1), translate_percent={"x": (-0.05, 0.05), "y": (-0.05, 0.05)}, rotate=(-10, 10),
shear=(-10, 10), order=1, mode="edge", cval=(0, 255), name="Affine_order_1_edge"),
iaa.Affine(scale=(0.9, 1.1), translate_percent={"x": (-0.05, 0.05), "y": (-0.05, 0.05)}, rotate=(-10, 10),
shear=(-10, 10), order=1, mode="constant", cval=(0, 255), backend="skimage",
name="Affine_order_1_constant_skimage"),
iaa.PiecewiseAffine(scale=(0.01, 0.05), nb_rows=4, nb_cols=4, order=1, mode="constant",
name="PiecewiseAffine_4x4_order_1_constant"),
iaa.PiecewiseAffine(scale=(0.01, 0.05), nb_rows=4, nb_cols=4, order=0, mode="constant",
name="PiecewiseAffine_4x4_order_0_constant"),
iaa.PiecewiseAffine(scale=(0.01, 0.05), nb_rows=4, nb_cols=4, order=1, mode="edge",
name="PiecewiseAffine_4x4_order_1_edge"),
iaa.PiecewiseAffine(scale=(0.01, 0.05), nb_rows=8, nb_cols=8, order=1, mode="constant",
name="PiecewiseAffine_8x8_order_1_constant"),
iaa.PerspectiveTransform(scale=(0.01, 0.05), keep_size=False, name="PerspectiveTransform"),
iaa.PerspectiveTransform(scale=(0.01, 0.05), keep_size=True, name="PerspectiveTransform_keep_size"),
iaa.ElasticTransformation(alpha=(1, 10), sigma=(0.5, 1.5), order=0, mode="constant", cval=0,
name="ElasticTransformation_order_0_constant"),
iaa.ElasticTransformation(alpha=(1, 10), sigma=(0.5, 1.5), order=1, mode="constant", cval=0,
name="ElasticTransformation_order_1_constant"),
iaa.ElasticTransformation(alpha=(1, 10), sigma=(0.5, 1.5), order=1, mode="nearest", cval=0,
name="ElasticTransformation_order_1_nearest"),
iaa.ElasticTransformation(alpha=(1, 10), sigma=(0.5, 1.5), order=1, mode="reflect", cval=0,
name="ElasticTransformation_order_1_reflect"),
iaa.Rot90((1, 3), keep_size=False, name="Rot90"),
iaa.Rot90((1, 3), keep_size=True, name="Rot90_keep_size"),
iaa.WithPolarWarping(iaa.Identity(), name="WithPolarWarping"),
iaa.Jigsaw(nb_rows=(3, 8), nb_cols=(3, 8), max_steps=1, name="Jigsaw")
]
augmenters_pooling = [
iaa.AveragePooling(kernel_size=(1, 16), keep_size=False, name="AveragePooling"),
iaa.AveragePooling(kernel_size=(1, 16), keep_size=True, name="AveragePooling_keep_size"),
iaa.MaxPooling(kernel_size=(1, 16), keep_size=False, name="MaxPooling"),
iaa.MaxPooling(kernel_size=(1, 16), keep_size=True, name="MaxPooling_keep_size"),
iaa.MinPooling(kernel_size=(1, 16), keep_size=False, name="MinPooling"),
iaa.MinPooling(kernel_size=(1, 16), keep_size=True, name="MinPooling_keep_size"),
iaa.MedianPooling(kernel_size=(1, 16), keep_size=False, name="MedianPooling"),
iaa.MedianPooling(kernel_size=(1, 16), keep_size=True, name="MedianPooling_keep_size")
]
augmenters_imgcorruptlike = [
iaa.imgcorruptlike.GaussianNoise(severity=(1, 5), name="imgcorruptlike.GaussianNoise"),
iaa.imgcorruptlike.ShotNoise(severity=(1, 5), name="imgcorruptlike.ShotNoise"),
iaa.imgcorruptlike.ImpulseNoise(severity=(1, 5), name="imgcorruptlike.ImpulseNoise"),
iaa.imgcorruptlike.SpeckleNoise(severity=(1, 5), name="imgcorruptlike.SpeckleNoise"),
iaa.imgcorruptlike.GaussianBlur(severity=(1, 5), name="imgcorruptlike.GaussianBlur"),
iaa.imgcorruptlike.GlassBlur(severity=(1, 5), name="imgcorruptlike.GlassBlur"),
iaa.imgcorruptlike.DefocusBlur(severity=(1, 5), name="imgcorruptlike.DefocusBlur"),
iaa.imgcorruptlike.MotionBlur(severity=(1, 5), name="imgcorruptlike.MotionBlur"),
iaa.imgcorruptlike.ZoomBlur(severity=(1, 5), name="imgcorruptlike.ZoomBlur"),
iaa.imgcorruptlike.Fog(severity=(1, 5), name="imgcorruptlike.Fog"),
iaa.imgcorruptlike.Frost(severity=(1, 5), name="imgcorruptlike.Frost"),
iaa.imgcorruptlike.Snow(severity=(1, 5), name="imgcorruptlike.Snow"),
iaa.imgcorruptlike.Spatter(severity=(1, 5), name="imgcorruptlike.Spatter"),
iaa.imgcorruptlike.Contrast(severity=(1, 5), name="imgcorruptlike.Contrast"),
iaa.imgcorruptlike.Brightness(severity=(1, 5), name="imgcorruptlike.Brightness"),
iaa.imgcorruptlike.Saturate(severity=(1, 5), name="imgcorruptlike.Saturate"),
iaa.imgcorruptlike.JpegCompression(severity=(1, 5), name="imgcorruptlike.JpegCompression"),
iaa.imgcorruptlike.Pixelate(severity=(1, 5), name="imgcorruptlike.Pixelate"),
iaa.imgcorruptlike.ElasticTransform(severity=(1, 5), name="imgcorruptlike.ElasticTransform")
]
augmenters_pillike = [
iaa.pillike.Solarize(p=1.0, threshold=(32, 128), name="pillike.Solarize"),
iaa.pillike.Posterize((1, 7), name="pillike.Posterize"),
iaa.pillike.Equalize(name="pillike.Equalize"),
iaa.pillike.Autocontrast(name="pillike.Autocontrast"),
iaa.pillike.EnhanceColor((0.0, 3.0), name="pillike.EnhanceColor"),
iaa.pillike.EnhanceContrast((0.0, 3.0), name="pillike.EnhanceContrast"),
iaa.pillike.EnhanceBrightness((0.0, 3.0), name="pillike.EnhanceBrightness"),
iaa.pillike.EnhanceSharpness((0.0, 3.0), name="pillike.EnhanceSharpness"),
iaa.pillike.FilterBlur(name="pillike.FilterBlur"),
iaa.pillike.FilterSmooth(name="pillike.FilterSmooth"),
iaa.pillike.FilterSmoothMore(name="pillike.FilterSmoothMore"),
iaa.pillike.FilterEdgeEnhance(name="pillike.FilterEdgeEnhance"),
iaa.pillike.FilterEdgeEnhanceMore(name="pillike.FilterEdgeEnhanceMore"),
iaa.pillike.FilterFindEdges(name="pillike.FilterFindEdges"),
iaa.pillike.FilterContour(name="pillike.FilterContour"),
iaa.pillike.FilterEmboss(name="pillike.FilterEmboss"),
iaa.pillike.FilterSharpen(name="pillike.FilterSharpen"),
iaa.pillike.FilterDetail(name="pillike.FilterDetail"),
iaa.pillike.Affine(scale=(0.9, 1.1),
translate_percent={"x": (-0.05, 0.05), "y": (-0.05, 0.05)},
rotate=(-10, 10),
shear=(-10, 10),
fillcolor=(0, 255),
name="pillike.Affine"),
]
augmenters_segmentation = [
iaa.Superpixels(p_replace=(0.05, 1.0), n_segments=(10, 100), max_size=64, interpolation="cubic",
name="Superpixels_max_size_64_cubic"),
iaa.Superpixels(p_replace=(0.05, 1.0), n_segments=(10, 100), max_size=64, interpolation="linear",
name="Superpixels_max_size_64_linear"),
iaa.Superpixels(p_replace=(0.05, 1.0), n_segments=(10, 100), max_size=128, interpolation="linear",
name="Superpixels_max_size_128_linear"),
iaa.Superpixels(p_replace=(0.05, 1.0), n_segments=(10, 100), max_size=224, interpolation="linear",
name="Superpixels_max_size_224_linear"),
iaa.UniformVoronoi(n_points=(250, 1000), name="UniformVoronoi"),
iaa.RegularGridVoronoi(n_rows=(16, 31), n_cols=(16, 31), name="RegularGridVoronoi"),
iaa.RelativeRegularGridVoronoi(n_rows_frac=(0.07, 0.14), n_cols_frac=(0.07, 0.14), name="RelativeRegularGridVoronoi"),
]
augmenters_size = [
iaa.Resize((0.8, 1.2), interpolation="nearest", name="Resize_nearest"),
iaa.Resize((0.8, 1.2), interpolation="linear", name="Resize_linear"),
iaa.Resize((0.8, 1.2), interpolation="cubic", name="Resize_cubic"),
iaa.CropAndPad(percent=(-0.2, 0.2), pad_mode="constant", pad_cval=(0, 255), keep_size=False,
name="CropAndPad"),
iaa.CropAndPad(percent=(-0.2, 0.2), pad_mode="edge", pad_cval=(0, 255), keep_size=False,
name="CropAndPad_edge"),
iaa.CropAndPad(percent=(-0.2, 0.2), pad_mode="constant", pad_cval=(0, 255), name="CropAndPad_keep_size"),
iaa.Pad(percent=(0.05, 0.2), pad_mode="constant", pad_cval=(0, 255), keep_size=False, name="Pad"),
iaa.Pad(percent=(0.05, 0.2), pad_mode="edge", pad_cval=(0, 255), keep_size=False, name="Pad_edge"),
iaa.Pad(percent=(0.05, 0.2), pad_mode="constant", pad_cval=(0, 255), name="Pad_keep_size"),
iaa.Crop(percent=(0.05, 0.2), keep_size=False, name="Crop"),
iaa.Crop(percent=(0.05, 0.2), name="Crop_keep_size"),
iaa.PadToFixedSize(width=width+10, height=height+10, pad_mode="constant", pad_cval=(0, 255),
name="PadToFixedSize"),
iaa.CropToFixedSize(width=width-10, height=height-10, name="CropToFixedSize"),
iaa.KeepSizeByResize(iaa.CropToFixedSize(height=height-10, width=width-10), interpolation="nearest",
name="KeepSizeByResize_CropToFixedSize_nearest"),
iaa.KeepSizeByResize(iaa.CropToFixedSize(height=height-10, width=width-10), interpolation="linear",
name="KeepSizeByResize_CropToFixedSize_linear"),
iaa.KeepSizeByResize(iaa.CropToFixedSize(height=height-10, width=width-10), interpolation="cubic",
name="KeepSizeByResize_CropToFixedSize_cubic"),
]
augmenters_weather = [
iaa.FastSnowyLandscape(lightness_threshold=(100, 255), lightness_multiplier=(1.0, 4.0),
name="FastSnowyLandscape"),
iaa.Clouds(name="Clouds"),
iaa.Fog(name="Fog"),
iaa.CloudLayer(intensity_mean=(196, 255), intensity_freq_exponent=(-2.5, -2.0), intensity_coarse_scale=10,
alpha_min=0, alpha_multiplier=(0.25, 0.75), alpha_size_px_max=(2, 8),
alpha_freq_exponent=(-2.5, -2.0), sparsity=(0.8, 1.0), density_multiplier=(0.5, 1.0),
name="CloudLayer"),
iaa.Snowflakes(name="Snowflakes"),
iaa.SnowflakesLayer(density=(0.005, 0.075), density_uniformity=(0.3, 0.9),
flake_size=(0.2, 0.7), flake_size_uniformity=(0.4, 0.8),
angle=(-30, 30), speed=(0.007, 0.03),
blur_sigma_fraction=(0.0001, 0.001), name="SnowflakesLayer"),
iaa.Rain(name="Rain"),
iaa.RainLayer(density=(0.03, 0.14),
density_uniformity=(0.8, 1.0),
drop_size=(0.01, 0.02),
drop_size_uniformity=(0.2, 0.5),
angle=(-15, 15),
speed=(0.04, 0.20),
blur_sigma_fraction=(0.001, 0.001),
name="RainLayer")
]
augmenters = (
augmenters_meta
+ augmenters_arithmetic
+ augmenters_artistic
+ augmenters_blend
+ augmenters_blur
+ augmenters_collections
+ augmenters_color
+ augmenters_contrast
+ augmenters_convolutional
+ augmenters_edges
+ augmenters_flip
+ augmenters_geometric
+ augmenters_pooling
+ augmenters_imgcorruptlike
+ augmenters_pillike
+ augmenters_segmentation
+ augmenters_size
+ augmenters_weather
)
if only_augmenters is not None:
augmenters_reduced = []
for augmenter in augmenters:
if any([re.search(pattern, augmenter.name) for pattern in only_augmenters]):
augmenters_reduced.append(augmenter)
augmenters = augmenters_reduced
return augmenters
(0.0, 1.0),
iaa.Affine(rotate=(-20, 20)),
per_channel=0.5),
iaa.BlendAlpha([0.25, 0.75], iaa.MedianBlur(13)),
iaa.BlendAlphaElementwise(
(0.0, 1.0),
foreground=iaa.Add(100),
background=iaa.Multiply(0.2)),
iaa.BlendAlphaSimplexNoise(iaa.EdgeDetect(1.0)),
iaa.BlendAlphaSimplexNoise(
iaa.EdgeDetect(1.0),
upscale_method="nearest"),
iaa.BlendAlphaSimplexNoise(
iaa.EdgeDetect(1.0),
upscale_method="linear"),
iaa.BlendAlphaSomeColors(iaa.TotalDropout(1.0)),
iaa.BlendAlphaSomeColors(
iaa.AveragePooling(7), alpha=[0.0, 1.0], smoothness=0.0),
iaa.FastSnowyLandscape(
lightness_threshold=140,
lightness_multiplier=2.5),
iaa.Clouds(),
iaa.Fog(),
iaa.Rain(speed=(0.1, 0.3)),
],
random_order=True
)
],
random_order=True
)
def ruinous_augmentation():
augmenter = iaa.TotalDropout(1.0)
return augmenter
def data_aug(images):
seq = iaa.Sometimes(
0.5, iaa.Identity(),
iaa.Sometimes(
0.5,
iaa.Sequential([
iaa.Fliplr(0.5),
iaa.Sometimes(
0.5,
iaa.OneOf([
iaa.Add((-40, 40)),
iaa.AddElementwise((-40, 40)),
iaa.AdditiveGaussianNoise(scale=(0, 0.2 * 255)),
iaa.AdditiveLaplaceNoise(scale=(0, 0.2 * 255)),
iaa.AdditivePoissonNoise((0, 40)),
iaa.MultiplyElementwise((0.5, 1.5)),
iaa.ReplaceElementwise(0.1, [0, 255]),
iaa.SaltAndPepper(0.1)
])),
iaa.OneOf([
iaa.Cutout(nb_iterations=2,
size=0.15,
cval=0,
squared=False),
iaa.CoarseDropout((0.0, 0.05), size_percent=(0.02, 0.25)),
iaa.Dropout(p=(0, 0.2)),
iaa.CoarseSaltAndPepper(0.05, size_percent=(0.01, 0.1)),
iaa.Cartoon(),
iaa.BlendAlphaVerticalLinearGradient(iaa.TotalDropout(1.0),
min_value=0.2,
max_value=0.8),
iaa.GaussianBlur(sigma=(0.0, 3.0)),
iaa.AverageBlur(k=(2, 11)),
iaa.MedianBlur(k=(3, 11)),
iaa.BilateralBlur(d=(3, 10),
sigma_color=(10, 250),
sigma_space=(10, 250)),
iaa.MotionBlur(k=20),
iaa.AllChannelsCLAHE(),
iaa.Sharpen(alpha=(0.0, 1.0), lightness=(0.75, 2.0)),
iaa.Emboss(alpha=(0.0, 1.0), strength=(0.5, 1.5)),
iaa.Affine(scale=(0.5, 1.5)),
iaa.Affine(translate_px={
"x": (-20, 20),
"y": (-20, 20)
}),
iaa.Affine(shear=(-16, 16)),
iaa.pillike.EnhanceSharpness()
]),
iaa.OneOf([
iaa.GammaContrast((0.5, 2.0)),
iaa.SigmoidContrast(gain=(3, 10), cutoff=(0.4, 0.6)),
iaa.LogContrast(gain=(0.6, 1.4)),
iaa.LinearContrast((0.4, 1.6)),
iaa.pillike.EnhanceBrightness()
])
]),
iaa.Sometimes(0.5, iaa.RandAugment(n=2, m=9),
iaa.RandAugment(n=(0, 3), m=(0, 9)))))
images = seq(images=images)
return images