Method for outputting freshness information, freshness information output apparatus, and non-transitory computer-readable recording medium
US9316595B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2015 |
| Grant date | Apr 19, 2016 |
| Priority date | — |
| Expiry date | Feb 19, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2201/0221
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
In a method for outputting freshness information used by a freshness information output apparatus, ultraviolet light is radiated onto an eye of a fish, an ultraviolet image of the eye of the fish is captured using an ultraviolet camera, a computer analyzes the ultraviolet image to determine freshness of a fish on the basis of luminance of an iris portion of the eye of the fish, and freshness information indicating the freshness of the fish is output to a display.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.