Invention Grant
- Patent Title: Color grading apparatus and methods
- Patent Title (中): 颜色分级设备和方法
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Application No.: US13718896Application Date: 2012-12-18
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Publication No.: US09024961B2Publication Date: 2015-05-05
- Inventor: Peter W. Longhurst , Neil W. Messmer , Steve Margerm , Robin Atkins
- Applicant: Dolby Laboratories Licensing Corporation
- Applicant Address: US CA San Francisco
- Assignee: Dolby Laboratories Licensing Corporation
- Current Assignee: Dolby Laboratories Licensing Corporation
- Current Assignee Address: US CA San Francisco
- Main IPC: G09G5/00
- IPC: G09G5/00 ; G09G5/02 ; G09G5/36 ; G09G3/04 ; H04N5/202 ; H04N5/00 ; H04N5/21 ; H04N9/64 ; H04N5/52 ; H04N1/46 ; G03F3/08 ; G06K9/40 ; H04N9/68 ; H04N9/73 ; G06K9/00
Abstract:
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.
Public/Granted literature
- US20130155330A1 Color Grading Apparatus and Methods Public/Granted day:2013-06-20
Information query
