Food inspection apparatus, method of inspecting food, and method of learning in identification unit of food inspection apparatus
US11079334B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 22, 2017 |
| Grant date | Aug 3, 2021 |
| Priority date | — |
| Expiry date | Feb 20, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30128
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A food inspection apparatus includes: a conveyance unit; a light irradiation unit; an unit capturing an image of an inspection object A; a wavelength emphasis emphasizing a foreign substance specific wavelength characteristic of a foreign substance F from light having a wavelength of 300 nm to 1100 nm by using a first and/or second optical filter or a wavelength-specific light source; and an identification processing device identifying the foreign substance and including: a lightening unit normalizing the captured image with 256 or less of gradations into lightened data; and an identification unit having been provided with deep-learning of an identification processing of the foreign substance specific wavelength from the lightened data and identifying the foreign substance or a good item S in line from the lightened data obtained through capturing the image during conveyance of the inspection object.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.