Invention Grant
US09390484B2 Methods and apparatus for tone mapping high dynamic range images
有权
用于色调映射高动态范围图像的方法和装置
- Patent Title: Methods and apparatus for tone mapping high dynamic range images
- Patent Title (中): 用于色调映射高动态范围图像的方法和装置
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Application No.: US14451180Application Date: 2014-08-04
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Publication No.: US09390484B2Publication Date: 2016-07-12
- Inventor: Sylvain P. Paris , Jen-Chan Chien , Eric Chan
- Applicant: Adobe Systems Incorporated
- Applicant Address: US CA San Jose
- Assignee: Adobe Systems Incorporated
- Current Assignee: Adobe Systems Incorporated
- Current Assignee Address: US CA San Jose
- Agency: Wolfe-SBMC
- Main IPC: G06T5/00
- IPC: G06T5/00 ; H04N1/60 ; H04N19/30 ; G06F3/0484 ; G06T5/40 ; G06T5/50 ; G06T7/40 ; G06T11/00

Abstract:
Methods, apparatus, and computer-readable storage media for tone mapping High Dynamic Range (HDR) images. An input HDR image is separated into luminance and color. Luminance is processed to obtain a base layer and a detail layer. The base layer is compressed according to a non-linear remapping function to reduce the dynamic range, and the detail layer is adjusted. The layers are combined to generate output luminance, and the output luminance and color are combined to generate an output image. A base layer compression technique may be used that analyzes the details and compresses the base layer accordingly to provide space at the top of the intensity scale where the details are displayed to thus generate output images that are visually better than images generated using conventional techniques. User interface elements may be provided via which a user may control one or more parameters of the tone mapping method.
Public/Granted literature
- US20140341468A1 Methods and Apparatus for Tone Mapping High Dynamic Range Images Public/Granted day:2014-11-20
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