Video reproduction apparatus, video reproduction method and video display apparatus
AssigneesKabushiki Kaisha Toshiba, Toshiba Lifestyle Products & Services Corporation
InventorMiki YAMADA
Life of this patent
Estimating the term…
Abstract
According to one embodiment, a video reproduction apparatus calculates two-dimensional coordinate data of an input video signal on a chromaticity diagram, compares the two-dimensional coordinate data calculated with a preset standard color gamut on the chromaticity diagram, determines based on a result of the comparison whether a color gamut corresponding to the input video signal falls within the standard color gamut, adjusts color gamut increase processing and performs the adjusted color gamut increase processing on the input video signal based on a result of the determination.
Claims15
A video reproduction apparatus comprising:
- a chromaticity diagram coordinate calculator which calculates two-dimensional coordinate data of an input video signal on a chromaticity diagram;
- a color gamut determining unit which compares the two-dimensional coordinate data calculated by the chromaticity diagram coordinate calculator, with a preset standard color gamut on the chromaticity diagram, and determines, based on a result of the comparison, whether a color gamut corresponding to the input video signal falls within the standard color gamut;
- and
- a color gamut increasing unit which adjusts color gamut increase processing and performs the adjusted color gamut increase processing on the input video signal, based on a determination result of the color gamut determining unit.
A video reproduction method comprising:
- calculating two-dimensional coordinate data of an input video signal on a chromaticity diagram;
- comparing the two-dimensional coordinate data with a preset standard color gamut on the chromaticity diagram, and determining, based on a result of the comparison, whether a color gamut corresponding to the input video signal falls within the standard color gamut;
- and
- adjusting color gamut increase processing and performs the adjusted color gamut increase processing on the input video signal, based on a result of the determination.
A video display apparatus comprising:
- a chromaticity diagram coordinate calculator which calculates two-dimensional coordinate data of an input video signal on a chromaticity diagram;
- a color gamut determining unit which compares the two-dimensional coordinate data calculated by the chromaticity diagram coordinate calculator, with a preset standard color gamut on the chromaticity diagram, and determines, based on a result of the comparison, whether a color gamut corresponding to the input video signal falls within the standard color gamut;
- a color gamut increasing unit which adjusts color gamut increase processing and performs the adjusted color gamut increase processing on the input video signal, based on a determination result of the color gamut determining unit;
- and
- a wide-gamut-compliant display which displays a video signal output from the color gamut increasing unit, in a color gamut wider than the standard color gamut.
Dependencies are inferred from the claim text.