Ripeness of vegetables

Hi all,

So my in-laws have a small farm and I am considering a hobby ML project to try to determine the ripeness stage of vegetables.

After the vegetable becomes of a decent size, the farmer looks at the color/shade of the vegetable to determine if it is ripe enough to pluck. It is also possible to hold the vegetable in your hand and feel the firmness but that's not something I can do with a vision model.

For something …

color computervision hobby laws project small stage