Prerequisites

  • Transformer architecture fundamentals
  • Multimodal models (CLIP, BLIP, LayoutLMv2)
  • Traditional OCR methods (Tesseract, EasyOCR, PaddleOCR)
  • PyTorch/HuggingFace skills

Quick Start

  1. Environment setup
  2. Model loading
  3. Output parsing (text/coordinates/tags)
  4. Parameter experiments (base_size, crop_mode, Prompt)
  5. Documentation reading and code walkthrough

Training and Fine-tuning

  • Data preparation
  • Understanding original training strategy
  • Choosing training approach (freeze encoder/LoRA)
  • Hyperparameter settings
  • Evaluation

Deployment Options

  • Web applications
  • Office system integration
  • AI assistant tools
  • Edge/private deployment
  • Secondary development

Error Troubleshooting

  • Installation failures
  • Slow inference
  • CUDA OOM
  • Coordinate alignment errors
  • Chinese garbled text
  • Weight download failures
  • Table/layout issues
  • Fine-tuning problems

Learning Strategy

“Run first, then customize” strategy. Recommend incremental fine-tuning approach rather than full retraining.