dataset-augment/ja_1/augment_meta.json

{
  "status": "created",
  "task": "one_augmented_image_per_stylized_class",
  "variant": "combined",
  "sample_name": "ja_1",
  "source_sample_id": "01",
  "seed": 5765245890577036086,
  "source_image": "/home/jiangtao/OCR/agents/stylized_output/ja_1/01/ja_1-01.png",
  "output_image": "/home/jiangtao/OCR/agents/dataset-augment/ja_1/ja_1-01_augmented.png",
  "source_relative": "ja_1/01/ja_1-01.png",
  "output_relative": "ja_1/ja_1-01_augmented.png",
  "source_image_size": {
    "width": 864,
    "height": 1232
  },
  "output_image_size": {
    "width": 864,
    "height": 1232
  },
  "allowed_output_sizes": [
    {
      "width": 1232,
      "height": 864
    },
    {
      "width": 864,
      "height": 1232
    }
  ],
  "resolution_enforced": false,
  "size_before_enforce": {
    "width": 864,
    "height": 1232
  },
  "size_after_enforce": {
    "width": 864,
    "height": 1232
  },
  "target_size": {
    "width": 864,
    "height": 1232
  },
  "metrics_before": {
    "blur_score_cv": 4268.3479,
    "blur_score_cv_denoised": 651.0259,
    "foreground_ratio": 0.218949,
    "mean_gray": 236.0597,
    "std_gray": 48.2403
  },
  "metrics_after": {
    "blur_score_cv": 2118.7558,
    "blur_score_cv_denoised": 200.847,
    "foreground_ratio": 0.301213,
    "mean_gray": 215.2101,
    "std_gray": 42.1104
  },
  "metrics_delta": {
    "blur_score_cv": -2149.5921,
    "blur_score_cv_denoised": -450.1789,
    "foreground_ratio": 0.0823,
    "mean_gray": -20.8496,
    "std_gray": -6.1299
  },
  "params": {
    "operations": [
      "combined_dilate_local_bend",
      "combined_erode",
      "combined_blur_noise"
    ],
    "dilate_params": {
      "operations": [
        "foreground_ink_dilation",
        "local_warp",
        "small_optional_blur",
        "small_optional_noise"
      ],
      "kernel_size": 4,
      "kernel_shape": "rect",
      "warp_mode": "local_bend_points",
      "warp_point_count": 1,
      "warp_radius_range_px": [
        12.0,
        36.0
      ],
      "warp_amplitude_range_px": [
        8.0,
        15.0
      ],
      "warp_twist_ratio_range": [
        0.24,
        0.48
      ],
      "warp_points": [
        {
          "center_x": 483,
          "center_y": 964,
          "radius_px": 30.6049,
          "amplitude_px": 9.9108,
          "direction_deg": 207.9818,
          "twist_ratio": 0.3151
        }
      ],
      "warp_center_source": "foreground_mask",
      "warp_local_patch_only": true,
      "warp_blend_mode": "hard_patch_feather_edge",
      "iterations": 1,
      "strength": 0.4036,
      "post_blur_sigma": 0.2901,
      "post_noise_sigma": 1.6038
    },
    "bend_params": {
      "warp_mode": "local_bend_points",
      "warp_point_count": 1,
      "warp_radius_range_px": [
        12.0,
        36.0
      ],
      "warp_amplitude_range_px": [
        8.0,
        15.0
      ],
      "warp_twist_ratio_range": [
        0.24,
        0.48
      ],
      "warp_points": [
        {
          "center_x": 483,
          "center_y": 964,
          "radius_px": 30.6049,
          "amplitude_px": 9.9108,
          "direction_deg": 207.9818,
          "twist_ratio": 0.3151
        }
      ],
      "warp_center_source": "foreground_mask",
      "warp_local_patch_only": true,
      "warp_blend_mode": "hard_patch_feather_edge"
    },
    "erosion_params": {
      "operations": [
        "foreground_ink_erosion",
        "small_optional_blur",
        "small_optional_noise"
      ],
      "kernel_size": 2,
      "kernel_shape": "rect",
      "iterations": 1,
      "strength": 0.9934,
      "post_blur_sigma": 0.1753,
      "post_noise_sigma": 1.6618
    },
    "blur_params": {
      "operations": [
        "contrast_brightness",
        "gaussian_blur",
        "optional_motion_blur",
        "gaussian_noise",
        "salt_pepper",
        "jpeg_roundtrip"
      ],
      "contrast": 0.9374,
      "brightness": -0.6805,
      "gaussian_blur_sigma": 0.3154,
      "motion_applied": false,
      "noise_sigma": 5.3871,
      "salt_pepper_amount": 0.001902,
      "jpeg_quality": 81
    }
  },
  "diff_metrics": {
    "mean_absdiff": 27.3378,
    "p95_absdiff": 83.0,
    "changed_pixel_ratio_gt8": 0.968946
  }
}