Problem
- Hard to read the number
- Very unfriendly to color blindness/amblyopia customer
Data Collection
Designed survey to collect machine analysed accruate number and pool test strip photo
44 samples collected
Pool test strip anotation
Crop where pool test strip it is
Detection and reading
Detect strip from image and get reading, color balance normalization, brightness normalization
Trend Observation
Draw sample color in RGB space
Model Training
Linear regression models training and evaluating to find best one
Application Design
Mobile App to solve the problem for customer