| 摘要 |
Two separate white light illuminated images are acquired of a plate of food. The image data is processed, and the two images are compared to determine volume of particular food zones. In parallel to that, the food type in each zone is identified by a food recognition processor nd reference to a stored nutritional data bank. These two values are combined with the foods' nutritional value in the data bank to provide zone-by-zone nutrient content information. These can be individually displayed, and/or the total displayed so that the user knows the nutritional value of the food on his plate in terms of total calories, percent fat, percent protein, and percent carbohydrate. In addition, the approximate milligrams each of principal vitamin, mineral, fiber, enzyme and phytonutrient on the plate can be displayed sequentially. Provision is made to download data into a PDA or PC.
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