Good points, but did you miss the discussion nearby? It seems someone already made a plate with cameras with object recognition to identify food and 3 scales to determine the volume.<p>&gt; <a href="http:&#x2F;&#x2F;www.fastcoexist.com&#x2F;3045810&#x2F;world-changing-ideas&#x2F;this-smart-plate-tells-you-how-many-calories-youre-eating-and-whether-y" rel="nofollow">http:&#x2F;&#x2F;www.fastcoexist.com&#x2F;3045810&#x2F;world-changing-ideas&#x2F;this...</a>