Leaf Doctor, a smartphone application used on color images to distinguish diseased from healthy plant tissues and calculate percentage of disease severity.

Article Leaf Doctor: A New Portable Application for Quantifying Plan...

We have some problems with Phytophthora symptoms analysis on detached potato leaves (strong deviation for small and large % of diseased area). Is there any other programs like LeafDoctor or simple way to prepare pictures for analysis?

I found only one way, still not working fast :Article An Algorithm for Severity Estimation of Plant Leaf Diseases ...

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