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# SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from typing import List, Optional
import attrs
from cosmos_transfer1.utils.lazy_config import LazyCall as L
@attrs.define
class GaussianBlurConfig:
"""Configuration for Gaussian blur"""
use_random: bool = False
# if use_random is False, then optionally define the param values
ksize: int = 25
sigmaX: float = 12.5
# if use_random is True, then optionally define the range
ksize_min: int = 21
ksize_max: int = 29
sigmaX_min: float = 10.5
sigmaX_max: float = 14.5
LowGaussianBlurConfig = L(GaussianBlurConfig)(ksize=21, sigmaX=10.5)
@attrs.define
class GuidedFilterConfig:
"""Configuration for Guided filter"""
use_random: bool = False
# if use_random is False, then optionally define the param values
radius: int = 45
eps: float = 0.15
scale: int = 10
# if use_random is True, then optionally define the range
radius_min: int = 41
radius_max: int = 49
eps_min: float = 0.1
eps_max: float = 0.2
scale_min: int = 3
scale_max: int = 18
@attrs.define
class BilateralFilterConfig:
"""Configuration for Bilateral filter"""
use_random: bool = False
# if use_random is False, then optionally define the param values
d: int = 30
sigma_color: int = 150
sigma_space: int = 100
iter: int = 1
# if use_random is True, then optionally define the range
d_min: int = 15
d_max: int = 50
sigma_color_min: int = 100
sigma_color_max: int = 300
sigma_space_min: int = 50
sigma_space_max: int = 150
iter_min: int = 1
iter_max: int = 4
@attrs.define
class MedianBlurConfig:
"""Configuration for Median blur"""
use_random: bool = False
# if use_random is False, then optionally define the param values
ksize: int = 11
# if use_random is True, then optionally define the range
ksize_min: int = 9
ksize_max: int = 15
@attrs.define
class LaplacianOfGaussianConfig:
"""Configuration for LoG filter"""
use_random: bool = False
# if use_random is False, then optionally define the param values
ksize: int = 5
sigma: float = 1.4
binarize: bool = False
threshold: float = 0.0
# if use_random is True, then optionally define the range
ksize_min: int = 3
ksize_max: int = 7
sigma_min: float = 0.5
sigma_max: float = 3.0
threshold_min: float = 10.0
threshold_max: float = 30.0
@attrs.define
class AnisotropicDiffusionConfig:
"""Configuration for Anisotropic Diffusion"""
use_random: bool = False
alpha: float = 0.25
K: float = 0.15
niters: int = 12
# if use_random is True, then optionally define the range
alpha_min: float = 0.2
alpha_max: float = 0.3
K_min: float = 0.1
K_max: float = 0.2
niters_min: int = 10
niters_max: int = 14
@attrs.define
class BlurCombinationConfig:
"""Configuration for a combination of blurs with associated probability"""
# list of choices are: ["gaussian", "guided", "bilateral", "median", "log", "anisotropic"]
# the corresponding config must be defined for each item in this blur_types list
blur_types: List[str]
probability: float
gaussian_blur: Optional[GaussianBlurConfig] = None
guided_filter: Optional[GuidedFilterConfig] = None
bilateral_filter: Optional[BilateralFilterConfig] = None
median_blur: Optional[MedianBlurConfig] = None
log: Optional[LaplacianOfGaussianConfig] = None
anisotropic_diffusion: Optional[AnisotropicDiffusionConfig] = None
@attrs.define
class BlurAugmentorConfig:
"""Configuration for blur augmentation with multiple combinations"""
# probabilities from the list of combinations should add up to 1.0
blur_combinations: List[BlurCombinationConfig] = []
downscale_factor: List[int] = [1]
# random blur for training the VisControl
random_blur_config = BlurAugmentorConfig(
downscale_factor=list(range(1, 5)),
blur_combinations=[
BlurCombinationConfig(
blur_types=["bilateral"],
probability=0.5,
bilateral_filter=BilateralFilterConfig(use_random=True),
),
BlurCombinationConfig(
blur_types=["gaussian"],
probability=0.3,
gaussian_blur=GaussianBlurConfig(use_random=True),
),
BlurCombinationConfig(
blur_types=["bilateral", "gaussian"],
probability=0.2,
bilateral_filter=BilateralFilterConfig(use_random=True),
gaussian_blur=GaussianBlurConfig(use_random=True),
),
],
)
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