Method and device for adjusting gamma curve

A curve and equipment technology, applied in the field of image processing, can solve the problem of low efficiency in adjusting the gamma curve, and achieve the effect of shortening the development cycle, reducing the workload and improving the efficiency

Active Publication Date: 2018-09-28
QINGDAO HISENSE MEDIA NETWORKS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a method and equipment for adjusting gamma curves, which are used to solve the problem in the prior art that each candidate gamma curve of the display terminal needs to be manually adjusted, and the efficiency of adjusting the gamma curve is low

Method used

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  • Method and device for adjusting gamma curve
  • Method and device for adjusting gamma curve

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Embodiment Construction

[0019] In the embodiment of the present invention, at least one basic gamma curve generated according to the standard gamma level is selected from the set of gamma curves used for image display; for any basic gamma curve, after it is determined that the basic gamma curve changes, the a basic gamma curve, adjusting at least one gamma curve corresponding to the basic gamma curve in the gamma curve set.

[0020] Because the embodiment of the present invention first selects the basic gamma curve generated according to the standard gamma level from the gamma curve set; Adjust the curve; adopt the method of the embodiment of the present invention, when needing to adjust the gamma curve in the gamma curve collection, only need to adjust the basic gamma curve, after the basic gamma curve changes, can automatically according to the basic gamma curve after the change , adjust the gamma curve corresponding to the basic gamma curve in the gamma curve set, so that there is no need to manua...

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Abstract

The invention relates to the technical field of image processing, and in particular to a method and a device for adjusting a gamma curve, solving the problems that the prior art requires manual adjustment of each candidate gamma curve of the display terminal, and the efficiency of adjusting the gamma curve is low. The embodiments of the invention determine at least one basic gamma curve generatedaccording to a standard gamma level from the stored plurality of alternative gamma curves; after determining that the basic gamma curve changes, select at least one target gamma curve corresponding tothe basic gamma curve from the plurality of alternative gamma curves according to the image parameters used to generate the basic gamma curve; and adjust at least one target gamma curve according tothe changed basic gamma curve.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to a method and equipment for adjusting a gamma curve. Background technique [0002] With the intelligent development of display terminals, user experience has become an important basis for measuring the advantages and disadvantages of intelligent display terminals. In particular, the requirements for PQ (Picture quality, image quality) are getting higher and higher. Gamma, as the basis of display, directly affects PQ A series of indicators such as brightness, contrast, color temperature, etc., and the accurate adjustment of the gamma curve is extremely important. [0003] At present, in the product development stage of the display terminal, multiple candidate gamma curves will be generated through the prefabricated PQ algorithm according to different image parameters and gamma levels; Select one of the curves, and apply the selected gamma curve to the output image. Howev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N9/69
CPCH04N9/69
Inventor 刘庆全
Owner QINGDAO HISENSE MEDIA NETWORKS CO LTD
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