Comparative Performance of Tristimulus and Color Appearance Models in Low-Cost Smartphone Digital Colorimetry for Soil CO2 Detection

Key Points

• To evaluate the effectiveness of tristimulus and color appearance models for detecting CO2 levels in soil using smartphones.
• Conducted comparative analysis of color models for soil CO2 detection
• Utilized smartphone-based digital colorimetry techniques
• Analyzed performance metrics against traditional methods
• Both color models were effective in detecting CO2 levels
• Tristimulus model showed higher accuracy compared to color appearance model
• Smartphone method demonstrated scalability and cost-effectiveness for monitoring soil health