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Venket
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# Example large-batch dataset generation config.
#
# Merged on top of configs/default.yaml. Only values that differ from the
# defaults need to be listed here. Run with:
#
#   python main.py --config configs/generate.yaml --count 10000
#
# (--count on the command line overrides generation.count below.)

seed: 20240601

paths:
  output_dir: output

generation:
  count: 2000
  workers: 4
  save_visualization: false
  overwrite: false
  run_validation: true

# document.template left as null -> every sample independently and
# deterministically picks one of the 9 discovered templates.
document:
  template: null

# signer.name/role left as null -> a synthetic name is generated per sample
# and the role is taken from the chosen signature box's annotation.
signer:
  name: null
  role: null

signature_selection:
  source_filter: genuine

placement:
  scale_factor:
    min: 0.75
    max: 0.98
  rotation_deg:
    min: -6.0
    max: 6.0
  margin: 0.07
  misplacement_probability: 0.15
  misplacement_strength:
    min: 0.15
    max: 0.5
  allow_partial_outside: true

rendering:
  blend_mode: multiply
  ink_opacity:
    min: 0.7
    max: 0.97
  blur_sigma:
    min: 0.15
    max: 0.6
  feather_px:
    min: 0.4
    max: 2.0
  scanner_noise: 0.02

augmentation:
  stroke_dilation:
    enabled: true
    strength: { min: 0.1, max: 0.35 }
    probability: 0.2

  gaussian_blur:
    enabled: true
    strength: { min: 0.05, max: 0.3 }
    probability: 0.3

  motion_blur:
    enabled: true
    strength: { min: 0.1, max: 0.35 }
    probability: 0.12

  ink_fading:
    enabled: true
    strength: { min: 0.1, max: 0.5 }
    probability: 0.2

  ink_bleed:
    enabled: true
    strength: { min: 0.1, max: 0.4 }
    probability: 0.15

  perspective:
    enabled: true
    strength: { min: 0.05, max: 0.2 }
    probability: 0.12

  contrast:
    enabled: true
    strength: { min: 0.05, max: 0.3 }
    probability: 0.4

  gamma:
    enabled: true
    strength: { min: 0.05, max: 0.25 }
    probability: 0.2

  coffee_stain:
    enabled: true
    strength: { min: 0.2, max: 0.6 }
    probability: 0.08

  stain:
    enabled: true
    strength: { min: 0.2, max: 0.6 }
    probability: 0.1
    type: random

  shadow:
    enabled: true
    strength: { min: 0.2, max: 0.6 }
    probability: 0.35
    type: random

  crumple:
    enabled: true
    strength: { min: 0.1, max: 0.4 }
    probability: 0.12
    wrinkle_density: { min: 0.2, max: 0.7 }

  discoloration:
    enabled: true
    strength: { min: 0.1, max: 0.4 }
    probability: 0.45
    tone: random

  page_tilt:
    enabled: true
    strength: { min: 0.1, max: 0.5 }
    probability: 0.3

  dust:
    enabled: true
    strength: { min: 0.1, max: 0.4 }
    probability: 0.2

  scanner_streaks:
    enabled: true
    strength: { min: 0.1, max: 0.35 }
    probability: 0.1

  scanner_noise:
    enabled: true
    strength: { min: 0.02, max: 0.1 }
    probability: 1.0

  salt_pepper:
    enabled: true
    strength: { min: 0.01, max: 0.06 }
    probability: 0.15

  jpeg_compression:
    enabled: true
    strength: { min: 0.2, max: 0.6 }
    probability: 0.5
    min_quality: 40
    max_quality: 92

quality:
  scanner_quality: { min: 0.6, max: 0.98 }
  paper_quality: { min: 0.6, max: 0.98 }
  render_quality: { min: 0.6, max: 0.98 }

validation:
  strict: false