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Image display method and intelligent device

An intelligent device and image display technology, applied in the field of image processing, can solve problems such as poor visual experience, achieve the effects of sharp contrast, improved visual experience, and color saturation

Active Publication Date: 2012-10-24
SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] An embodiment of the present invention provides an image display method, aiming to solve the problem of poor visual experience when displaying images in existing methods

Method used

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  • Image display method and intelligent device

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Experimental program
Comparison scheme
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Embodiment 1

[0038] figure 1 The flow of an image display method provided by the first embodiment of the present invention is shown, and the details are as follows:

[0039] Step S11, converting the received frame of red, green and blue RGB video signals into brightness and color YUV video signals.

[0040] In this embodiment, the smart device converts a received video signal of a frame of red, green and blue (Red Green Blue, RGB) format into a video signal of brightness and color YUV format, so as to facilitate subsequent processing. Y here represents the brightness component of the video signal, and U and V represent the color components of the video signal.

[0041] Step S12, counting the distribution of gray values ​​of the input brightness Y signal, and correcting the brightness Y signal of the video signal according to the statistical result.

[0042] In this embodiment, the number of pixels of each grayscale in a frame of video signal input is counted, and the gray value distribut...

Embodiment 2

[0068] Figure 6 The structure of a smart device provided by the second embodiment of the present invention is shown, and for convenience of description, only the parts related to the embodiment of the present invention are shown.

[0069] The smart device can be used for various information processing terminals connected to servers through wired or wireless networks, such as mobile phones, pocket computers (Pocket Personal Computer, PPC), palmtop computers, computers, notebook computers, personal digital assistants (Personal Digital Assistant, PDA), etc.

[0070] The smart device includes: a video signal conversion unit 61 , a contrast optimization unit 62 , a color optimization unit 63 , and a video signal output unit 64 . in:

[0071] The video signal converting unit 61 is configured to convert a frame of received red, green and blue RGB video signals into brightness and color YUV video signals.

[0072] In this embodiment, Y represents the luminance component of the vid...

Embodiment 3

[0084] Figure 8 The structure of the third smart device provided by the third embodiment of the present invention is shown, and for the convenience of description, only the parts related to the embodiment of the present invention are shown.

[0085]In this embodiment, the smart device includes a video signal conversion unit 61, a contrast optimization unit 62, a color optimization unit 63, and a video signal output unit 64, wherein the contrast optimization unit 62 includes:

[0086] The luminance area judging module 621 is used to count the gray value distribution of the luminance Y signal in the input frame of video signal, and determine which of the three luminance ranges most pixels of the input frame of video signal are located in.

[0087] In this embodiment, pixels in three brightness ranges are accumulated and summed, and it is determined which brightness range has the largest cumulative sum of pixels, so as to determine which brightness range the pixels of the entire...

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Abstract

The invention provides an image display method and an intelligent device and is applicable to the field of image processing. The method comprises the steps of converting one frame of red green and blue (RGB) video signals into luma and chroma (YUV) video signals; calculating input gray value distribution of luminance Y signals, revising the luminance Y signals of the video signal according to statistical results; determining luminance difference value before and after revising the luminance Y signals, adjusting chroma UV signals of the video signals according to the luminance difference value, a preset chroma threshold value, a preset first scale factor or preset second scale factor, wherein the preset first scale factor and the preset second scale factor are both larger than 0; and outputting and displaying the video signal after adjusting luminance and color. An embodiment of the image display method and the intelligent device can improve visual sense of a user and improves good experience of the user.

Description

technical field [0001] The invention belongs to the field of image processing, and in particular relates to an image display method and an intelligent device. Background technique [0002] With the improvement of living standards, consumers are becoming more rational in the purchase of smart devices, and their quality requirements for smart devices are also getting higher and higher, which is specifically reflected in the contrast, color, clarity and response time of the pictures displayed by smart devices. The requirements are gradually increasing. [0003] The traditional algorithms for improving the contrast enhancement of liquid crystal displays include linear stretching or global-based histogram stretching (that is, histogram equalization for the entire image). Although these methods can quickly and effectively improve the overall contrast of the screen, they will bring Negative effects such as unwanted changes in luminance average, saturation or clipping, or loss of d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N9/12H04N9/64
Inventor 武沛俊金立平肖志林赵新科
Owner SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD
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