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Method and apparatus for image data transformation

一种图像、视频数据的技术，应用在包含色调和/或色域映射领域，能够解决不同等问题

Active Publication Date: 2016-04-20
DOLBY LAB LICENSING CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0036] Therefore, the same image content may appear differently when played back on different monitors

Method used

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  • Method and apparatus for image data transformation
  • Method and apparatus for image data transformation

Examples

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Embodiment Construction

[0056] Throughout the following description, in order to provide a more thorough understanding of the present invention, specific details are explained. However, the present invention can be implemented without these details. In other cases, well-known elements are not shown or described in detail to avoid unnecessarily obscuring the present invention. Therefore, the description and the drawings should be viewed in an illustrative rather than restrictive sense.

[0057] figure 1 The video distribution pipeline 20 is schematically shown. The original video data 22 is acquired and edited at the editing suite 23 to provide the original video work 24. The colorist (for example, a person who uses the tools provided by the color adjustment station through a suitable user interface) adjusts the hue and / or color in the original video work at the color adjustment station 26 to realize the color adjusted video work 27 . The color mediation station 26 includes a professional monitor 30...

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Abstract

The invention relates to a method and apparatus for image data transformation. Image data is transformed for display on a target display. A sigmoidal transfer function provides a free parameter controlling min-tone contrast. The transfer function may be dynamically adjusted to accommodate changing ambient lighting conditions. The transformation may be selected so as to automatically adapt image data for display on a target display in a way that substantially preserves creative intent embodied in the image data. The image data may be video data.

Description

[0001] This application is a divisional application for an invention patent application with an application number of 201280013129.5, an application date of March 15, 2012, and an invention title of "Method and Apparatus for Image Data Conversion". [0002] Cross references to related applications [0003] This application claims the priority of U.S. Provisional Patent Application 61 / 453,107 filed on March 15, 2011 and U.S. Provisional Patent Application No. 61 / 567,784 filed on December 7, 2011, for all purposes. The entire content of the application is incorporated herein by reference. [0004] This application also relates to International Patent Application No. PCT / US2012 / 027267 filed on March 1, 2012, which is incorporated herein by reference. Technical field [0005] The invention relates to displaying and processing images. The present invention specifically relates to a method and apparatus including hue and / or color gamut mapping. The method and device as described herein ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N1/60H04N1/62H04N9/67H04N9/68
CPCH04N1/6027H04N1/6088H04N1/62H04N9/67H04N9/68H04N1/60H04N9/73G06T11/001G09G5/02G09G2320/0276G09G2320/066G09G2320/0666
Inventor A·巴勒斯泰德A·科斯蒂恩G·J·沃德
Owner DOLBY LAB LICENSING CORP
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