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Fix record io augmentation speed #11474

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Jun 29, 2018
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Fix record io augmentation speed #11474

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2 changes: 1 addition & 1 deletion example/image-classification/common/data.py
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Expand Up @@ -86,7 +86,7 @@ def add_data_aug_args(parser):

def set_resnet_aug(aug):
# standard data augmentation setting for resnet training
aug.set_defaults(random_crop=1, random_resized_crop=1)
aug.set_defaults(random_crop=0, random_resized_crop=1)
aug.set_defaults(min_random_area=0.08)
aug.set_defaults(max_random_aspect_ratio=4./3., min_random_aspect_ratio=3./4.)
aug.set_defaults(brightness=0.4, contrast=0.4, saturation=0.4, pca_noise=0.1)
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2 changes: 1 addition & 1 deletion src/io/image_aug_default.cc
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Expand Up @@ -293,7 +293,7 @@ class DefaultImageAugmenter : public ImageAugmenter {
if (param_.max_rotate_angle > 0 || param_.max_shear_ratio > 0.0f
|| param_.rotate > 0 || rotate_list_.size() > 0
|| param_.max_random_scale != 1.0f || param_.min_random_scale != 1.0
|| min_aspect_ratio != 1.0f || max_aspect_ratio != 1.0f
|| (!param_.random_resized_crop && (min_aspect_ratio != 1.0f || max_aspect_ratio != 1.0f))
|| param_.max_img_size != 1e10f || param_.min_img_size != 0.0f) {
std::uniform_real_distribution<float> rand_uniform(0, 1);
// shear
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