Update README.md

README.md

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 - technical plan
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-PN Engineering Datasets
-DATA DICTIONARY – Professional Specification
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-
-This document defines the structure and attributes of all datasets released
-under PN Engineering Datasets.
-
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-1. Dataset Metadata
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-dataset_name: RC_Beams_Dataset_V1
-dataset_version: V1
-element_type: Reinforced concrete beams
-pdf_count: 25
-png_count: 25
-
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-2. File Structure
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-PDF files:
-• Flattened
-• Anonymous
-• Metadata removed
-• OCR-ready
-
-PNG files:
-• 1200 DPI resolution
-• Clean and uniform background
-• High contrast for Vision models
-
-Documentation files:
-• DATA_DICTIONARY
-• DATASET_INFO_TEMPLATE.json
-• DATASET_STRUCTURE_BLUEPRINT
-• INDEX.csv
-• LICENSE.txt
-• README
-
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-3. Drawing Contents
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-Each drawing may include:
-• Reinforcement layouts  
-• Longitudinal bars  
-• Stirrups/ties  
-• Sections in 1–3 views  
-• Dimensions (millimeters)  
-• Structural symbols  
-• Work stages  
-• Concrete classes  
-• Notes and detailing conventions  
-
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-4. Data Preparation Process
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-• Anonymization (project & company data removed)  
-• Noise reduction  
-• PDF flattening  
-• Cleanup of backgrounds  
-• Export to high-resolution PNG  
-
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-5. Machine Learning Use-Cases
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-• OCR model training  
-• Vision model detection of bars, symbols, dimensions  
-• Generating embeddings for engineering LLMs  
-• CAD-to-AI pipelines  
-• BIM automation  
-
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-6. Limitations
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-Not for construction use.
-For training & research only.
-
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-7. SUPPORT
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-
-If you have questions, need additional formats, or want a custom dataset 
-(beams, slabs, foundations, walls, steel details, construction photos, BIM sets), 
-please contact:
-
-PN Engineering Datasets
-Email: pawel.niczyporuk@gmail.com
-
-
-
-Thank you for your purchase!
-PN Engineering Datasets – 2025