
Changes Add phase2/5.postprocess_images/postprocess_images.py (pad-to-512 + RGB normalization) Add hi-DPI renderer phase2/4.generate_images/generate_images_hidpi.sh (DPI 300, PLANTUML_LIMIT_SIZE 16384) Update phase3/visualizations/fig2_pipeline.py to include the image-normalization step Rationale Dataset v2 meets the Data in Brief ML image-dataset policy (11 June 2025): every PNG at least 512×512 px and uniform RGB color model.
