| version: 1 |
| severity_semantics: ordered_within_corruption |
| notes: |
| - Levels do not imply equal perceptual distance across heterogeneous corruptions. |
| - Benchmark-selected mappings are object_motion_blur, h264_crf, h264_abr, and bit_error. |
| temporal_corruptions: |
| - over_exposure |
| - under_exposure |
| - snow |
| - object_motion_blur |
| - h264_crf |
| - h264_abr |
| - bit_error |
| corruptions: |
| digital: |
| jpeg_compression: {parameter: jpeg_quality, values: [25, 18, 15, 10, 7], origin: literature} |
| pixelate: {parameter: resize_ratio, values: [0.60, 0.50, 0.40, 0.30, 0.25], origin: literature} |
| contrast: {parameter: contrast_factor, values: [0.40, 0.30, 0.20, 0.10, 0.05], origin: literature} |
| saturate: |
| parameter: [saturation_multiplier, saturation_shift] |
| values: [[0.3, 0.0], [0.1, 0.0], [2.0, 0.0], [5.0, 0.1], [20.0, 0.2]] |
| origin: literature |
| illumination: |
| brightness: {parameter: v_channel_delta, values: [0.10, 0.20, 0.30, 0.40, 0.50], origin: literature} |
| low_light: {parameter: v_channel_negative_delta, values: [0.10, 0.20, 0.30, 0.40, 0.50], origin: literature} |
| over_exposure: {parameter: ev_stop, values: [0.4, 0.8, 1.2, 1.6, 2.0], origin: literature} |
| under_exposure: {parameter: ev_stop, values: [-0.4, -0.8, -1.2, -1.6, -2.0], origin: literature} |
| weather: |
| fog: |
| parameter: [fog_intensity, wibbledecay] |
| values: [[1.5, 2.0], [2.0, 2.0], [2.5, 1.7], [2.5, 1.5], [3.0, 1.4]] |
| origin: literature |
| frost: |
| parameter: [image_weight, frost_weight] |
| values: [[1.0, 0.4], [0.8, 0.6], [0.7, 0.7], [0.65, 0.7], [0.6, 0.75]] |
| origin: literature |
| snow: |
| parameter: [loc, scale, zoom, threshold, blur_radius, blur_sigma, mix] |
| values: [[0.1, 0.3, 3, 0.5, 10, 4, 0.8], [0.2, 0.3, 2, 0.5, 12, 4, 0.7], [0.55, 0.3, 4, 0.9, 12, 8, 0.7], [0.55, 0.3, 4.5, 0.85, 12, 8, 0.65], [0.55, 0.3, 2.5, 0.85, 12, 12, 0.55]] |
| origin: literature |
| spatter: |
| parameter: [loc, scale, sigma, threshold, multiplier, type] |
| values: [[0.65, 0.3, 4, 0.69, 0.6, 0], [0.65, 0.3, 3, 0.68, 0.6, 0], [0.65, 0.3, 2, 0.68, 0.5, 0], [0.65, 0.3, 1, 0.65, 1.5, 1], [0.67, 0.4, 1, 0.65, 1.5, 1]] |
| origin: literature |
| noise: |
| gaussian_noise: {parameter: standard_deviation, values: [0.08, 0.12, 0.18, 0.26, 0.38], origin: literature} |
| shot_noise: {parameter: poisson_scale, values: [60, 25, 12, 5, 3], origin: literature} |
| impulse_noise: {parameter: affected_fraction, values: [0.03, 0.06, 0.09, 0.17, 0.27], origin: literature} |
| blur: |
| gaussian_blur: {parameter: sigma_pixels, values: [1, 2, 3, 4, 6], origin: literature} |
| defocus_blur: |
| parameter: [disk_radius, alias_blur] |
| values: [[3, 0.1], [4, 0.5], [6, 0.5], [8, 0.5], [10, 0.5]] |
| origin: literature |
| glass_blur: |
| parameter: [sigma, max_delta, iterations] |
| values: [[0.7, 1, 2], [0.9, 2, 1], [1.0, 2, 3], [1.1, 3, 2], [1.5, 4, 2]] |
| origin: literature |
| camera_motion_blur: |
| parameter: [radius, sigma] |
| values: [[10, 3], [15, 5], [15, 8], [15, 12], [20, 15]] |
| origin: literature |
| temporal_counted: false |
| object_motion_blur: {parameter: interpolation_half_window_frames, values: [3, 6, 9, 12, 15], origin: benchmark-specific} |
| psf_blur: |
| parameter: psf_rms_spot_radius_mm |
| values: [0.0296, 0.0832, 0.1102, 0.1588, 0.1939] |
| origin: measured_lens_models |
| video: |
| h264_crf: {parameter: crf, values: [23, 30, 37, 44, 51], origin: benchmark-specific} |
| h264_abr: {parameter: bitrate_mbps, values: [25, 12.5, 6.25, 3.125, 1.5625], origin: benchmark-specific} |
| bit_error: {parameter: ffmpeg_noise_parameter, values: [50000000, 25000000, 15000000, 10000000, 5000000], origin: benchmark-specific} |
|
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