Patent · US Active

Imaging apparatus and method of calculating white balance gain

US8836815B2 · kind B2 · utility

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24Claims
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Key dates

Filing dateNov 27, 2012
Grant dateSep 16, 2014
Priority date
Expiry dateMar 21, 2033

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N25/585
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A WB gain calculation unit 24 determines a light source of a Surface A on the basis of color distribution of the Surface A and a black body locus AD, determines a light source of a Surface B on the basis of color distribution of the Surface B and a black body locus BD and determines a light source of a Surface AB on the basis of color distribution of the Surface AB and a block body locus ABD and calculates the white balance gains on the basis of the determined light sources.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.