project:
  name: trocr-sinhala-printed-lines
  protocol_version: "1.0"
  protocol_date: "2026-07-28"

assets:
  base_model:
    id: Ransaka/TrOCR-Sinhala
    revision: TO_RECORD
  training_dataset:
    id: Ransaka/sinhala_synthetic_ocr-large
    revision: TO_RECORD
    split: train
  evaluation_dataset:
    id: avishadilhara/sinhala-ocr-lk-acts-1010
    revision: TO_RECORD
    split: test

data_split:
  seed: 42
  train_fraction: 0.90
  validation_fraction: 0.10

training:
  optimizer: adamw
  learning_rate: 0.00004
  epochs: 10
  effective_batch_size: 8
  fp16: true
  seeds: [42, 123, 2026]
  save_strategy: epoch
  selection_metric: normalized_cer
  selection_mode: min

generation:
  num_beams: 4

normalization:
  unicode_form: NFC
  convert_linebreaks_and_tabs_to_spaces: true
  collapse_whitespace: true
  strip_outer_whitespace: true
  preserve_punctuation: true
  preserve_diacritics: true

evaluation:
  primary_metric: cer
  secondary_metric: wer
  report_raw_and_normalized: true
  bootstrap_replicates: 10000
  bootstrap_seed: 42
  confidence_level: 0.95

release:
  publish_weights: false
  blocker: Ransaka/TrOCR-Sinhala has no declared license