0a52cff8a7
- Added extract_meaning_kernels.py for processing PDF diagrams - Extracts text using OCR (Tesseract) when available - Analyzes diagram structure (type, dimensions, orientation) - Generates structured meaning kernels with metadata - Outputs JSON (machine-readable) and Markdown (human-readable) - Includes test pipeline and documentation - Supports single files and batch processing Pipeline components: - DiagramProcessor: Main processing engine - MeaningKernel: Structured kernel representation - PDF to image conversion - OCR text extraction - Structure analysis - Kernel generation with confidence scoring Acceptance criteria met: ✓ Processes academic PDF diagrams ✓ Extracts structured text meaning kernels ✓ Generates machine-readable JSON output ✓ Includes human-readable reports ✓ Supports batch processing ✓ Provides confidence scoring