cosmos_transfer1/diffusion/config/transfer/augmentors.py

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# SPDX-License-Identifier: Apache-2.0
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from cosmos_transfer1.diffusion.config.transfer.blurs import (
    BilateralFilterConfig,
    BlurAugmentorConfig,
    BlurCombinationConfig,
)
from cosmos_transfer1.utils.lazy_config import LazyCall as L

# predefined BilateralFilterConfig with different strength level
NoFilterConfig = L(BilateralFilterConfig)(use_random=False, d=1, sigma_color=1, sigma_space=1, iter=1)

LowBilateralFilterConfig = L(BilateralFilterConfig)(use_random=False, d=15, sigma_color=100, sigma_space=50, iter=1)

MediumBilateralFilterConfig = L(BilateralFilterConfig)(use_random=False, d=30, sigma_color=150, sigma_space=100, iter=1)

HighBilateralFilterConfig = L(BilateralFilterConfig)(use_random=False, d=50, sigma_color=300, sigma_space=150, iter=1)

BilateralOnlyBlurAugmentorConfig = {}
for strength, blur_config in zip(
    ["none", "very_low", "low", "medium", "high", "very_high"],
    [
        NoFilterConfig,
        LowBilateralFilterConfig,
        LowBilateralFilterConfig,
        MediumBilateralFilterConfig,
        HighBilateralFilterConfig,
        HighBilateralFilterConfig,
    ],
):
    BlurConfig = L(BlurCombinationConfig)(
        blur_types=["bilateral"],
        probability=1.0,
        bilateral_filter=blur_config,
    )
    downscale_factor = {
        "none": 1,
        "very_low": 1,
        "low": 4,
        "medium": 2,
        "high": 1,
        "very_high": 4,
    }
    BilateralOnlyBlurAugmentorConfig[strength] = L(BlurAugmentorConfig)(
        blur_combinations=[BlurConfig],
        downscale_factor=[downscale_factor[strength]],
    )