Tone and gamut mapping methods and apparatus
US-8928686-B2 · Jan 6, 2015 · US
Color grading apparatus and methods
US9532022B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9532022-B2 |
| Application number | US-201514663281-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 19, 2015 |
| Priority date | Dec 19, 2011 |
| Publication date | Dec 27, 2016 |
| Grant date | Dec 27, 2016 |
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Abstract
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A method for color grading input video data for display on a target display comprises obtaining target display metadata indicative of a capability of the target display, obtaining input video data metadata indicative of image characteristics of the input video data, automatically determining initial values for parameters of a parameterized sigmoidal transfer function, at least one of the initial values based at least in part on at least one of the target display metadata and the input video data metadata and mapping the input video data to color-graded video data according to the parameterized transfer function specified using the initial values.
First claim
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What is claimed is: 1. A method for color grading input video data for display on a target display, the method comprising: by apparatus comprising one or more data processors configured by software, one or more programmable logic devices, one or more logic circuits or a combination thereof: obtaining target display metadata indicative of a capability of the target display; obtaining input video data metadata indicative of image characteristics of the input video data; automati…
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- What does patent US9532022B2 cover?
- A method for color grading input video data for display on a target display comprises obtaining target display metadata indicative of a capability of the target display, obtaining input video data metadata indicative of image characteristics of the input video data, automatically determining initial values for parameters of a parameterized sigmoidal transfer function, at least one of the initia…
- Who is the assignee on this patent?
- Dolby Laboratories Licensing Corp
- What technology area does this patent fall under?
- Primary CPC classification H04N23/86. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Dec 27 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).