Image formats and related methods and apparatuses
First Claim
Patent Images
1. A method for displaying an image for a target display comprising:
- receiving the image and associated metadata, the metadata identifies a source gamut of a reference display used for the image;
in response to the receiving of the metadata, mapping a predetermined mid-tone image value for the reference display to a predetermined target display value, the mapping based on a sigmoidal function of
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Abstract
Image data may be color graded, distributed and viewed on target displays. Mappings that preserve mid-range points and mid-range contrast may be applied to view the image data for color grading and to prepare the image data for display on a target display. The image data may be expanded to exploit the dynamic range of the target display without affecting mid-tone values.
69 Citations
8 Claims
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1. A method for displaying an image for a target display comprising:
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receiving the image and associated metadata, the metadata identifies a source gamut of a reference display used for the image; in response to the receiving of the metadata, mapping a predetermined mid-tone image value for the reference display to a predetermined target display value, the mapping based on a sigmoidal function of - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification