Zitti123/meassure

Fix OpenCV kernel size error - ensure odd numbers for Gaussian blur

Add Surface Detection mode - detects complete filled areas instead of edges

Fix box detection: increase min size, relax filters, add presets and debug mode

Add smart box detection with geometric filtering - eliminates noise, focuses on rectangular objects

Fix compatibility: replace use_container_width with width=None for older Streamlit versions

Add automatic checkerboard pattern size detection

Add HuggingFace Space configuration to README.md

Initial implementation of object measurement app with checkerboard calibration

initial commit

Duplicate from streamlit/streamlit-template-space