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Method and device for processing video frames

A processing method and video frame technology, applied in the field of video processing, can solve the problem that users cannot experience the HDR effect

Active Publication Date: 2019-11-26
成都克瑞斯半导体科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when these displays play HDR content, users cannot experience the effect of HDR

Method used

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  • Method and device for processing video frames
  • Method and device for processing video frames
  • Method and device for processing video frames

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0087] see figure 2 , which shows a video frame processing method provided by an embodiment of the present invention, the method may include:

[0088] S201: Determine an adaptive curve corresponding to the HDR video frame according to the Y component of the high dynamic range HDR video frame;

[0089] S202: Adjust the Y component of the HDR video frame according to the adaptive curve, and output the processed Y component;

[0090] S203: Convert the C component of the HDR video frame according to a preset mapping relationship, and then perform color saturation enhancement on the converted C component according to a preset color interval to obtain a processed C component.

[0091] Through the above solution, the Y component and the C component of the HDR video frame are respectively processed through the adaptive curve and the color saturation enhancement, so that the processed video frame can produce the effect of HDR when played on the SDR display.

[0092] For example, see...

Embodiment 2

[0142] Based on the same technical idea of ​​the foregoing embodiments, see Figure 9 , which shows a video frame processing device 90 provided by an embodiment of the present invention, the device 90 includes: a determination unit 901, a Y component adjustment unit 902, and a C component processing unit 903; wherein,

[0143] The determining unit 901 is configured to determine an adaptive curve corresponding to the HDR video frame according to the Y component of the high dynamic range HDR video frame;

[0144] The Y component adjustment unit 902 is configured to adjust the Y component of the HDR video frame according to the adaptive curve, and output the processed Y component;

[0145] The C component processing unit 903 is configured to convert the C component of the HDR video frame according to a preset mapping relationship, and then enhance the color saturation of the converted C component according to a preset color interval, and obtain the processed After the C componen...

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Abstract

Embodiments of the present invention disclose a video frame processing method and device; the method may include: determining an adaptive curve corresponding to the HDR video frame according to the Y component of the high dynamic range HDR video frame; The Y component of the HDR video frame is adjusted and the processed Y component is output; after the C component of the HDR video frame is converted according to the preset mapping relationship, the converted C component is then converted according to the preset color interval. Perform color saturation enhancement to obtain the processed C component.

Description

technical field [0001] The present invention relates to video processing technology, in particular to a video frame processing method and device. Background technique [0002] High-Dynamic Range (HDR, High-Dynamic Range) can expand the brightness range of the display, show more details in bright and dark parts, bring richer colors and more vivid and natural details to the picture, so that the picture is closer to human Seeing. [0003] The brightness range that the human eye can perceive is about 10 -3 -10 6 nit, the instantaneous contrast ratio that can be experienced can reach 10000:1; while the brightness of current consumer-grade LCDs is generally around 300 to 400nit, the contrast ratio range is generally 2000:1. It can be seen that the brightness resolution capability of the human eye is much higher than that of current mainstream display devices. Therefore, HDR display technology is to increase the brightness range of the display. Generally speaking, it is to make...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N9/69H04N9/77
CPCH04N9/69H04N9/77
Inventor 文锦松顾国华徐科
Owner 成都克瑞斯半导体科技有限公司