Exemple #1
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def get_train_transforms():
    augmentations = Compose([
        Resize(236,236),
        Flip(),
        OneOf([
            IAAAdditiveGaussianNoise(p=.5),
            GaussNoise(p=.4),
        ], p=0.4),
        OneOf([
            MotionBlur(p=0.6),
            Blur(blur_limit=3, p=0.2),
        ], p=0.4),
        ShiftScaleRotate(shift_limit=0.0725, scale_limit=0.2, rotate_limit=45, p=0.6),
        OneOf([
            OpticalDistortion(p=0.3),
            GridDistortion(p=0.4),
            IAAPiecewiseAffine(p=0.2),
        ], p=0.3),
        OneOf([
            CLAHE(clip_limit=2),
            IAASharpen(),
            IAAEmboss(),
            RandomBrightnessContrast(),
        ], p=0.25),
        HueSaturationValue(p=0.3),
        CenterCrop(224,224),
        Normalize(
            mean=[0.485, 0.456, 0.406],
            std=[0.229, 0.224, 0.225]
        ),
        ToTensor()
    ])

    return lambda img:augmentations(image=np.array(img))
Exemple #2
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def strong_aug(p=.5):
    return Compose([
        HorizontalFlip(),
        OneOf([
            IAAAdditiveGaussianNoise(),
            GaussNoise(),
        ], p=0.4),
        OneOf([
            MotionBlur(p=.2),
            MedianBlur(blur_limit=3, p=.1),
            Blur(blur_limit=3, p=.1),
        ],
              p=0.3),
        OneOf([
            OpticalDistortion(p=0.3),
            GridDistortion(p=.1),
            IAAPiecewiseAffine(p=0.3),
        ],
              p=0.2),
        OneOf([
            CLAHE(clip_limit=2),
            IAASharpen(),
            RandomContrast(),
            RandomBrightness(),
        ],
              p=0.3),
        HueSaturationValue(p=0.3),
        ChannelShuffle(),
        Cutout(num_holes=20, max_h_size=16, max_w_size=16)
    ],
                   p=p)
def strong_aug(p=0.5):
    return Compose([
        RandomRotate90(),
        Flip(),
        Transpose(),
        OneOf([
            IAAAdditiveGaussianNoise(),
            GaussNoise(),
        ], p=0.2),
        OneOf([
            MotionBlur(p=0.2),
            MedianBlur(blur_limit=3, p=0.1),
            Blur(blur_limit=3, p=0.1),
        ], p=0.2),
        ShiftScaleRotate(shift_limit=0.0625, scale_limit=0.2, rotate_limit=45, p=0.2),
        OneOf([
            OpticalDistortion(p=0.3),
            GridDistortion(p=0.1),
            IAAPiecewiseAffine(p=0.3),
        ], p=0.2),
        OneOf([
            CLAHE(clip_limit=2),
            IAASharpen(),
            IAAEmboss(),
            RandomBrightnessContrast(),
        ], p=0.3),
        HueSaturationValue(p=0.3),
    ], p=p)
Exemple #4
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    def data_augmentation(self, original_image):
        """ 进行样本和掩膜的随机增强
        Args:
            original_image: 原始图片
        Return:
            image_aug: 增强后的图片
        """
        augmentations = Compose([
            HorizontalFlip(p=0.4),
            ShiftScaleRotate(shift_limit=0.07, rotate_limit=0, p=0.4),

            RGBShift(r_shift_limit=10, g_shift_limit=10, b_shift_limit=10, p=0.3),

            # 亮度、对比度
            RandomGamma(gamma_limit=(80, 120), p=0.1),
            RandomBrightnessContrast(p=0.1),
            
            # 模糊
            OneOf([
                    MotionBlur(p=0.1),
                    MedianBlur(blur_limit=3, p=0.1),
                    Blur(blur_limit=3, p=0.1),
                ], p=0.3),
            
            OneOf([
                    IAAAdditiveGaussianNoise(),
                    GaussNoise(),
                ], p=0.2)
        ])
        
        augmented = augmentations(image=original_image)
        image_aug = augmented['image']

        return image_aug
Exemple #5
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def medium_aug(p=1.0):
    return Compose(
        [
            HorizontalFlip(p=0.5),
            ShiftScaleRotate(p=0.75,
                             shift_limit=0.1,
                             scale_limit=0.2,
                             rotate_limit=45,
                             border_mode=cv2.BORDER_CONSTANT),
            RandomBrightnessContrast(
                brightness_limit=0.6, contrast_limit=0.6, p=0.5),
            OneOf([
                HueSaturationValue(p=1.0),
                RGBShift(p=1.0),
                ChannelShuffle(p=1.0)
            ],
                  p=0.5),
            OneOf([
                Blur(p=1.0),
                MedianBlur(p=1.0),
                MotionBlur(p=1.0),
            ], p=0.3),
            OneOf([GridDistortion(p=1.0),
                   ElasticTransform(p=1.0)], p=0.3),
            OneOf([
                CLAHE(p=1.0),
                IAASharpen(p=1.0),
            ], p=0.3),
            IAAAdditiveGaussianNoise(p=0.5)
            # ToGray(p=1.0),
        ],
        p=p)
 def __getitem__(self, idx):
     file = self.files[idx]
     file_path = os.path.join(os.path.join(PATH, self.mode + '_images'),
                              file)
     image = cv2.imread(file_path)
     mean = (0.485, 0.456, 0.406)
     std = (0.229, 0.224, 0.225)
     train_aug = Compose([
         OneOf([
             VerticalFlip(),
             HorizontalFlip(),
         ], p=0.5),
         OneOf([
             MotionBlur(p=0.4),
             MedianBlur(p=0.4, blur_limit=3),
             Blur(p=0.5, blur_limit=3)
         ],
               p=0.4),
         OneOf([IAAAdditiveGaussianNoise(),
                GaussNoise()], p=0.4),
         Normalize(mean=mean, std=std, p=1),
         # CLAHE(p=0.5),
         ToTensor()
     ])
     augmented = train_aug(image=image)
     image = augmented['image']
     label = np.array(self.labels[idx])
     label = torch.tensor(label, dtype=torch.float32)
     return (image, label)
    def gettraintransforms(self, mean, std, p=1):
        # Train Phase transformations

        albumentations_transform = Compose([
            # RandomRotate90(),
            PadIfNeeded(72, 72, border_mode=cv2.BORDER_REFLECT, always_apply=True),
            RandomCrop(64, 64, True),
            Flip(),
            GaussNoise(p=0.8, mean=mean),
            OneOf([
                MotionBlur(p=0.4),
                MedianBlur(blur_limit=3, p=0.2),
                Blur(blur_limit=3, p=0.2),
            ], p=0.4),
            ShiftScaleRotate(shift_limit=0.0625, scale_limit=0.2, rotate_limit=45, p=0.6),
            OneOf([
                OpticalDistortion(p=0.8),
                GridDistortion(p=0.4),
            ], p=0.6),
            HueSaturationValue(hue_shift_limit=20, sat_shift_limit=0.1, val_shift_limit=0.1, p=0.6),
            CoarseDropout(always_apply=True, max_holes=1, min_holes=1, max_height=16, max_width=16,
                          fill_value=(255 * .6), min_height=16, min_width=16),
            Normalize(mean=mean, std=std, always_apply=True),
            pytorch.ToTensorV2(always_apply=True),

        ], p=p)

        return albumentations_transform;
def make(p=0.5):
    return Compose(
        [
            OneOf([IAAAdditiveGaussianNoise(),
                   GaussNoise(),
                   ISONoise()],
                  p=0.9),
            MotionBlur(p=0.3),
            ShiftScaleRotate(shift_limit=0.0925,
                             scale_limit=0.4,
                             rotate_limit=7,
                             border_mode=cv2.BORDER_CONSTANT,
                             value=0,
                             p=0.6),
            # IAAPerspective(scale=(.055, .060), keep_size=False, p=.2),
            # OpticalDistortion(p=0.2),
            OneOf([
                CLAHE(clip_limit=2),
                IAASharpen(),
                IAAEmboss(),
                RandomBrightnessContrast(),
            ],
                  p=0.3),
            HueSaturationValue(p=0.3),
            RGBShift(40, 40, 40)
        ],
        p=p)
Exemple #9
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def get_transforms():
    return Compose([
        RandomRotate90(p=0.5),
        Flip(p=0.5),
        Transpose(p=0.5),
        OneOf([
            IAAAdditiveGaussianNoise(),
            GaussNoise(),
        ], p=0.2),
        OneOf([
            MotionBlur(p=.2),
            MedianBlur(blur_limit=3, p=0.1),
            Blur(blur_limit=3, p=0.1),
        ],
              p=0.2),
        ShiftScaleRotate(shift_limit=0.0625,
                         scale_limit=0.2,
                         rotate_limit=45,
                         p=0.2),
        OneOf([
            CLAHE(clip_limit=2),
            IAASharpen(),
            IAAEmboss(),
            RandomBrightnessContrast(),
        ],
              p=0.3),
        HueSaturationValue(p=0.3),
    ])
Exemple #10
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def hard_augmentations2(use_d4=False):
    d4 = Compose([RandomRotate90(p=1), HorizontalFlip(p=1), VerticalFlip(p=1)])

    fliplr = HorizontalFlip()

    aug = Compose(
        [
            RandomBrightness(p=1),
            # OneOf([IAAAdditiveGaussianNoise(), , ], p=0.2),
            # GaussNoise(p=1),
            IAAAdditiveGaussianNoise(p=1),
            OneOf([
                MotionBlur(p=1),
                MedianBlur(blur_limit=3, p=1),
                Blur(blur_limit=3, p=1)
            ],
                  p=0.5),
            ShiftScaleRotate(
                shift_limit=0.0625, scale_limit=0.1, rotate_limit=5, p=1),
            # OneOf([GridDistortion(p=0.1), IAAPiecewiseAffine(p=0.3)], p=0.2),
            # GridDistortion(p=1),
            # IAAPiecewiseAffine(p=1)
        ],
        p=1)

    default = default_transforms()

    return Compose([d4 if use_d4 else fliplr, aug, default])
Exemple #11
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def strong_aug(config, aug_prob):
    return Compose(
        [
            # Resize(config.image_height, config.image_width, always_apply=True),
            RandomSizedCrop(
                p=config.random_sized_crop_prob,
                min_max_height=(int(
                    config.image_height * config.min_max_height),
                                config.image_height),
                height=config.image_height,
                width=config.image_width,
                w2h_ratio=config.image_width / config.image_height),
            HorizontalFlip(p=config.horizontal_flip_prob),
            RandomGamma(p=config.random_gamma_prob),
            RandomContrast(p=config.random_contrast_prob,
                           limit=config.random_contrast_limit),
            RandomBrightness(p=config.random_brightness_prob,
                             limit=config.random_brightness_limit),
            OneOf([
                MotionBlur(p=config.motion_blur_prob),
                MedianBlur(blur_limit=config.median_blur_limit,
                           p=config.median_blur_prob),
                Blur(blur_limit=config.blur_limit, p=config.blur_prob),
            ],
                  p=config.one_of_blur_prob),
            CLAHE(clip_limit=config.clahe_limit, p=config.clahe_prob),
            IAAEmboss(p=config.iaaemboss_prob),
            HueSaturationValue(p=config.hue_saturation_value_prob,
                               hue_shift_limit=config.hue_shift_limit,
                               sat_shift_limit=config.sat_shift_limit,
                               val_shift_limit=config.val_shift_limit)
        ],
        p=aug_prob)
def strong_aug(p=1):
    return Compose([
        ToFloat(),
        RandomRotate90(),
        Flip(),
        Transpose(),
        OneOf([
            IAAAdditiveGaussianNoise(),
            GaussNoise(),
        ], p=0.2),
        OneOf([
            MotionBlur(p=0.2),
            MedianBlur(blur_limit=3, p=0.1),
            Blur(blur_limit=3, p=0.1),
        ],
              p=0.2),
        ShiftScaleRotate(
            shift_limit=0.0625, scale_limit=0.2, rotate_limit=45, p=0.2),
        OneOf([
            OpticalDistortion(p=0.3),
            GridDistortion(p=0.1),
            IAAPiecewiseAffine(p=0.3),
        ],
              p=0.2),
        FromFloat(dtype='uint16', max_value=65535.0)
    ],
                   p=p)
Exemple #13
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    def get_photometric(self):
        coeff = int(3 * self.strength)
        k = max(1, coeff if coeff % 2 else coeff - 1)

        return Compose([
            OneOf(
                [
                    #                 CLAHE(clip_limit=2, p=.4),
                    IAASharpen(p=.5),
                    IAAEmboss(p=.5),
                ],
                p=0.2),
            OneOf([
                IAAAdditiveGaussianNoise(p=.3),
                GaussNoise(p=.7),
            ], p=.2),
            OneOf([
                MotionBlur(p=.2),
                MedianBlur(blur_limit=k, p=.3),
                Blur(blur_limit=k, p=.5),
            ],
                  p=.2),
            OneOf([
                RandomContrast(),
                RandomBrightness(),
            ], p=.2)
        ])
Exemple #14
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def build_transforms(mean=(0.485, 0.456, 0.406),
                     std=(0.229, 0.224, 0.225),
                     divide_by=255.0,
                     scale_limit=0.0,
                     shear_limit=0,
                     rotate_limit=0,
                     brightness_limit=0.0,
                     contrast_limit=0.0,
                     clahe_p=0.0,
                     blur_p=0.0,
                     autoaugment=False,
                     ):
    norm = Normalize(mean=mean, std=std, max_pixel_value=divide_by)

    if autoaugment:
        train_transform = Compose([
            torch_custom.AutoAugmentWrapper(p=1.0),
            torch_custom.RandomCropThenScaleToOriginalSize(limit=scale_limit, p=1.0),
            norm,
        ])
    else:
        train_transform = Compose([
            IAAAffine(rotate=(-rotate_limit, rotate_limit), shear=(-shear_limit, shear_limit), mode='constant'),
            RandomBrightnessContrast(brightness_limit=brightness_limit, contrast_limit=contrast_limit),
            MotionBlur(p=blur_p),
            CLAHE(p=clahe_p),
            torch_custom.RandomCropThenScaleToOriginalSize(limit=scale_limit, p=1.0),
            norm,
        ])
    eval_transform = Compose([norm])

    return train_transform, eval_transform
    def generate_color_augmentation(aug_cfg: CfgNode) -> Union[Compose, None]:
        """
        generate color augmentation object
        :param aug_cfg: augmentation config
        :return color_aug: color augmentation object
        """
        color_aug_list = []
        if aug_cfg.BRIGHTNESS_CONTRAST_PROB > 0:
            color_aug_list.append(
                RandomBrightnessContrast(p=aug_cfg.BRIGHTNESS_CONTRAST_PROB))

        if aug_cfg.BLURRING_PROB > 0:
            blurring = OneOf([
                MotionBlur(aug_cfg.BLUR_LIMIT, p=1),
                MedianBlur(aug_cfg.BLUR_LIMIT, p=1),
                Blur(aug_cfg.BLUR_LIMIT, p=1),
            ],
                             p=aug_cfg.BLURRING_PROB)
            color_aug_list.append(blurring)

        if aug_cfg.GAUSS_NOISE_PROB > 0:
            color_aug_list.append(GaussNoise(p=aug_cfg.GAUSS_NOISE_PROB))
        if aug_cfg.GRID_MASK_PROB > 0:
            color_aug_list.append(
                GridMask(num_grid=(3, 7), p=aug_cfg.GRID_MASK_PROB))
        if len(color_aug_list) > 0:
            color_aug = Compose(color_aug_list, p=1)
            return color_aug
        else:
            return None
Exemple #16
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def strong_aug2(p=1.0):
    return Compose(
        [
            Flip(p=0.75),  # ok
            # RandomBrightnessContrast(brightness_limit=0.2, contrast_limit=0.2, p=0.5),
            RandomBrightnessContrast(brightness_limit=(-0.2, 0.2),
                                     contrast_limit=0.2,
                                     p=1.0,
                                     brightness_by_max=False),
            ShiftScaleRotate(shift_limit=0.1,
                             scale_limit=0.2,
                             rotate_limit=45,
                             border_mode=cv2.BORDER_CONSTANT,
                             p=0.2),
            OneOf([
                IAASharpen(p=1),
                Blur(blur_limit=5, p=1.0),
                MedianBlur(blur_limit=5, p=1.0),
                MotionBlur(p=1.0),
            ],
                  p=0.6),
            OneOf([
                HueSaturationValue(hue_shift_limit=10,
                                   sat_shift_limit=30,
                                   val_shift_limit=20,
                                   p=1.0),
                RGBShift(p=1.0),
                RandomGamma(p=1),
            ],
                  p=0.3),
            IAAAdditiveGaussianNoise(p=.2),
        ],
        p=p)
 def strong_aug(p=0.5):
     return Compose(
         [
             ShiftScaleRotate(shift_limit=0.0125,
                              scale_limit=0.03,
                              rotate_limit=0.5,
                              p=0.8),
             RandomGamma(gamma_limit=(80, 120)),
             RandomBrightnessContrast(),
             OneOf(
                 [
                     MotionBlur(p=0.6),
                     MedianBlur(blur_limit=3, p=0.5),
                     MedianBlur(blur_limit=(5, 7), p=0.3),
                     Blur(blur_limit=3, p=0.5),
                     Blur(blur_limit=(5, 7), p=0.3),
                 ],
                 p=0.6,
             ),
             RandomCrop(image.shape[0] - 10, image.shape[1] - 6, p=0.6),
             OneOf(
                 [
                     OpticalDistortion(),
                 ],
                 p=0.8,
             ),
         ],
         p=p,
     )
Exemple #18
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def train_pipeline(cache, mask_db, path):
    image, mask = read_image_and_mask_cached(cache, mask_db, (101, 101), path)
    args = Compose([
        LabelMaskBorder(),
        HorizontalFlip(p=0.5),
        OneOf([
            ShiftScaleRotate(rotate_limit=15,
                             border_mode=cv2.BORDER_REPLICATE),
            RandomSizedCrop(min_max_height=(70, 100), height=101, width=101)
        ],
              p=0.2),
        GaussNoise(p=0.2),
        OneOf([
            RandomBrightness(limit=0.4),
            RandomGamma(),
        ], p=0.5),
        OneOf([Blur(), MedianBlur(), MotionBlur()], p=0.2),
        OneOf([
            ElasticTransform(alpha=10, sigma=10, alpha_affine=10),
            GridDistortion()
        ],
              p=0.2),
        Normalize([0.485, 0.456, 0.406], [0.229, 0.224, 0.225]),
        PadIfNeeded(128, 128, cv2.BORDER_REPLICATE),
        ChannelsFirst()
    ])(image=image, mask=mask)
    return args['image'], args.get('mask')
def strong_aug(p=1):
    return Compose([
        RandomRotate90(),
        Flip(),
        Transpose(),
        OneOf([
            IAAAdditiveGaussianNoise(),
            GaussNoise(),
        ], p=0.2),
        OneOf([
            MotionBlur(p=0.2),
            MedianBlur(blur_limit=3, p=0.1),
            Blur(blur_limit=3, p=0.1),
        ],
              p=0.2),
        OneOf([
            CLAHE(clip_limit=2),
            IAASharpen(),
            IAAEmboss(),
            RandomBrightnessContrast(),
        ],
              p=0.3),
        HueSaturationValue(p=0.3),
    ],
                   p=p)
def aug_image(image):
    from albumentations import (
        HorizontalFlip, IAAPerspective, ShiftScaleRotate, CLAHE,
        RandomRotate90, RandomGamma, VerticalFlip, Transpose, ShiftScaleRotate,
        Blur, OpticalDistortion, GridDistortion, HueSaturationValue,
        IAAAdditiveGaussianNoise, GaussNoise, MotionBlur, MedianBlur,
        RandomBrightnessContrast, IAAPiecewiseAffine, IAASharpen, IAAEmboss,
        Flip, OneOf, Compose, Rotate, RandomContrast, RandomBrightness,
        RandomCrop, Resize, OpticalDistortion)

    transforms = Compose(
        [
            OneOf(
                [
                    RandomContrast(
                        p=1, limit=(-0.5, 1.5)
                    ),  # -0.5 ~ 2 까지가 현장과 가장 비슷함  -- RandomBrightnessContrast
                    RandomBrightness(p=1, limit=(-0.2, 0.2)),
                    RandomGamma(p=1, gamma_limit=(80, 150)),
                ],
                p=1),
            MotionBlur(p=0.2),  # 움직일때 흔들리는 것 같은 이미지
        ],
        p=1)
    return transforms(image=image)['image']
def augment_flips_gray(p=.5):
    '''
    usage:
     au = augment_flips()
     res = au(image=image, mask=make)
     res_img, res_mask = res['image'], res['mask']
    '''
    return Compose(
        [
            # CLAHE(),
            OneOf([
                RandomRotate90(),
                ShiftScaleRotate(border_mode=cv2.BORDER_CONSTANT, value=0)
            ],
                  p=0.35),
            RandomGamma(gamma_limit=(75, 140)),
            Blur(blur_limit=3),
            # HueSaturationValue(),
            OneOf([
                MotionBlur(p=.2),
                MedianBlur(blur_limit=3, p=0.1),
                Blur(blur_limit=3, p=0.1),
            ],
                  p=0.2),
            OneOf([
                IAAAdditiveGaussianNoise(),
                GaussNoise(),
            ], p=0.2),
        ],
        p=p)
Exemple #22
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def strong_aug(p=.5):
    return Compose([
        JpegCompression(p=0.9),
        HorizontalFlip(p=0.5),
        OneOf([
            IAAAdditiveGaussianNoise(),
            GaussNoise(),
        ], p=0.5),
        OneOf([
            MotionBlur(p=.2),
            MedianBlur(blur_limit=3, p=.1),
            Blur(blur_limit=3, p=.1),
        ],
              p=0.5),
        ShiftScaleRotate(
            shift_limit=0.0625, scale_limit=0.2, rotate_limit=15, p=.5),
        OneOf([
            CLAHE(clip_limit=2),
            IAASharpen(),
            IAAEmboss(),
            RandomContrast(),
            RandomBrightness(),
        ],
              p=0.5),
        HueSaturationValue(p=0.5),
    ],
                   p=p)
 def augmentation_pipeline(self, p=0.5):
     return Compose(
         [
             HorizontalFlip(p=0.5),
             OneOf([
                 IAAAdditiveGaussianNoise(),
                 GaussNoise(),
             ], p=0.2),
             OneOf(
                 [
                     MotionBlur(p=0.2),
                     #MedianBlur(blur_limit=3, p=0.1),
                     Blur(blur_limit=3, p=0.1),
                 ],
                 p=0.1),
             OneOf([
                 ShiftScaleRotate(shift_limit=0.0625,
                                  scale_limit=0.2,
                                  rotate_limit=5,
                                  p=0.9),
                 IAAPerspective(scale=(.02, .05))
             ],
                   p=0.3)
         ],
         p=p)
 def get_corrupter(self):
     distortion_augs = OneOf([OpticalDistortion(p=1),
                              GridDistortion(p=1)],
                             p=1)
     effects_augs = OneOf([
         IAASharpen(p=1),
         IAAEmboss(p=1),
         IAAPiecewiseAffine(p=1),
         IAAPerspective(p=1),
         CLAHE(p=1)
     ],
                          p=1)
     misc_augs = OneOf([
         ShiftScaleRotate(p=1),
         HueSaturationValue(p=1),
         RandomBrightnessContrast(p=1)
     ],
                       p=1)
     blur_augs = OneOf(
         [Blur(p=1),
          MotionBlur(p=1),
          MedianBlur(p=1),
          GaussNoise(p=1)],
         p=1)
     aug = Compose([distortion_augs, effects_augs, misc_augs, blur_augs])
     return aug
def alb_transform_train(imsize = 256, p=1):
    albumentations_transform = Compose([
    # RandomCrop(imsize),
    # RandomRotate90(),
    Flip(),
    # Transpose(),
    OneOf([
            IAAAdditiveGaussianNoise(),
            GaussNoise(),
        ], p=0.2),
    OneOf([
            MotionBlur(p=.2),
            MedianBlur(blur_limit=3, p=.1),
            Blur(blur_limit=3, p=.1),
        ], p=0.2),
    ShiftScaleRotate(shift_limit=0.0625, scale_limit=0.2, rotate_limit=45, p=.2),
    OneOf([
        OpticalDistortion(p=0.3),
        GridDistortion(p=.1),
        IAAPiecewiseAffine(p=0.3),
        ], p=0.2),
    OneOf([
        # CLAHE(clip_limit=2),
        IAASharpen(),
        IAAEmboss(),
        RandomContrast(),
        RandomBrightness(),
        ], p=0.3),
    Normalize(
        mean=[0.485, 0.456, 0.406],
        std=[0.229, 0.224, 0.225]
        )
    ], p=p)
    return albumentations_transform
    def __init__(self, is_train: bool, to_pytorch: bool, preprocess):
        if is_train:
            self._aug = Compose([
                preprocess,
                OneOf([
                    Compose([
                        HorizontalFlip(p=0.5),
                        GaussNoise(p=0.5),
                        OneOf([
                            RandomBrightnessContrast(),
                            RandomGamma(),
                        ],
                              p=0.5),
                        Rotate(limit=20, border_mode=cv2.BORDER_CONSTANT),
                        ImageCompression(),
                        CLAHE(),
                        Downscale(scale_min=0.2, scale_max=0.9, p=0.5),
                        ISONoise(p=0.5),
                        MotionBlur(p=0.5)
                    ]),
                    HorizontalFlip(p=0.5)
                ])
            ],
                                p=1)
        else:
            self._aug = preprocess

        self._need_to_pytorch = to_pytorch
Exemple #27
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def transform(config, image, mask):

    try:
        p = config["train"]["dap"]["p"]
    except:
        p = 1

    assert 0 <= p <= 1

    # Inspire by: https://albumentations.readthedocs.io/en/latest/examples.html
    return Compose([
        Flip(),
        Transpose(),
        OneOf([IAAAdditiveGaussianNoise(),
               GaussNoise()], p=0.2),
        OneOf([
            MotionBlur(p=0.2),
            MedianBlur(blur_limit=3, p=0.1),
            Blur(blur_limit=3, p=0.1)
        ],
              p=0.2),
        ShiftScaleRotate(shift_limit=0.0625,
                         scale_limit=0.2,
                         rotate_limit=45,
                         p=0.2),
        OneOf([IAASharpen(),
               IAAEmboss(),
               RandomBrightnessContrast()], p=0.3),
        HueSaturationValue(p=0.3),
    ])(image=image, mask=mask, p=p)
Exemple #28
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def strong_aug(p=1):
    return Compose([
        OneOf([
            RandomRotate90(p=1),
            Flip(p=1),
        ], p=1),
        ShiftScaleRotate(shift_limit=0.1,
                         scale_limit=0.1,
                         rotate_limit=45,
                         p=1,
                         value=0,
                         border_mode=2),
        OneOf([
            IAAAdditiveGaussianNoise(p=0.7),
            GaussNoise(p=0.7),
        ], p=1),
        OneOf([
            MotionBlur(p=0.7),
            MedianBlur(blur_limit=3, p=0.7),
            Blur(blur_limit=3, p=0.7),
        ],
              p=1),
        RandomBrightnessContrast(p=0.5),
        OneOf([
            CLAHE(clip_limit=2),
            IAASharpen(),
            IAAEmboss(),
            RandomBrightnessContrast(p=0.7),
        ],
              p=1)
    ],
                   p=p)
def strong_aug(p=.5):
    return Compose([
        HorizontalFlip(p=0.5),
        ToGray(p=0.1),
        OneOf([
            IAAAdditiveGaussianNoise(),
            GaussNoise(),
        ], p=0.4),
        OneOf([
            MotionBlur(p=.2),
            MedianBlur(blur_limit=3, p=.1),
            Blur(blur_limit=3, p=.1),
        ],
              p=0.2),
        OneOf([
            OpticalDistortion(p=0.3),
            GridDistortion(p=.1),
            IAAPiecewiseAffine(p=0.3),
        ],
              p=0.2),
        OneOf([
            CLAHE(clip_limit=2),
            IAASharpen(),
            RandomContrast(),
            RandomBrightness(),
        ],
              p=0.3),
        HueSaturationValue(p=0.3),
    ],
                   p=p)
def aug_train(resolution, p=1):
    return Compose([Resize(resolution, resolution),
                    OneOf([
                        HorizontalFlip(),
                        VerticalFlip(),
                        RandomRotate90(),
                        Transpose()], p=0.5),
                    OneOf([
                        IAAAdditiveGaussianNoise(),
                        GaussNoise(),
                    ], p=0.5),
                    OneOf([
                        MotionBlur(p=.2),
                        MedianBlur(blur_limit=3, p=0.1),
                        Blur(blur_limit=3, p=0.1),
                    ], p=0.5),
                    ShiftScaleRotate(shift_limit=0.0625, scale_limit=0.2, rotate_limit=45, p=0.2),
                    OneOf([
                        OpticalDistortion(p=0.3),
                        GridDistortion(p=.1),
                        IAAPiecewiseAffine(p=0.3),
                    ], p=0.5),
                    OneOf([
                        CLAHE(clip_limit=2),
                        IAASharpen(),
                        IAAEmboss(),
                        RandomBrightnessContrast(),
                    ], p=0.5),
                    HueSaturationValue(p=0.3),
                    Normalize()
                    ], p=p)