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An Adaptive Sunlight Readable Image Enhancement Method Based on Image Content

A technology of image enhancement and image content, which is applied in image enhancement, image analysis, image data processing, etc., can solve the problems of unrecognizable LCD screen and reduced readability, and achieve the effect of improved readability and obvious readability

Inactive Publication Date: 2019-12-03
上海弘矽半导体有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Handheld devices such as mobile phones and computers, when the display is exposed to strong light such as sunlight, the LCD screen cannot be recognized due to strong sunlight, and the readability is greatly reduced

Method used

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  • An Adaptive Sunlight Readable Image Enhancement Method Based on Image Content

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Embodiment Construction

[0020] The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to describe the technical solution of the present invention in detail.

[0021] Such as figure 1 As shown, the method for enhancing the readable image under the adaptive sunlight based on image content of the present invention comprises the following steps:

[0022] Step 1, image input, first convert the image data of the RGB space of the input i-th frame image into a space including but not limited to YCbCr to obtain a brightness value Y;

[0023] Step 2, image chromaticity space conversion, image chromaticity space conversion refers to converting image data from a color space (such as RGB) to other color spaces (such as YCbCr, HSV, etc.);

[0024] Step 3, image global estimation, image global estimation is according to the luminance value Y of each pixel point of the input image extracted in step 2, obtains characteristic data representing image luminance ...

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Abstract

The invention discloses a method for adaptive sunlight-readable image enhancement based on image content, which includes the following steps: Step 1, image input, first convert the image data of the RGB space of the i-th frame of the input image into the image data containing but It is not limited to obtaining the brightness value Y in YCbCr space; step two is image chromaticity space conversion. Image chromaticity space conversion refers to converting image data from one color space to other color spaces, etc. The invention can significantly improve the readability effect under sunlight and is suitable for use in chip design.

Description

technical field [0001] The present invention relates to a readable image enhancement method, in particular to an adaptive sunlight readable image enhancement method based on image content. Background technique [0002] For handheld devices such as mobile phones and computers, when the display screen is exposed to strong light such as sunlight, the LCD screen cannot be recognized due to strong sunlight, and the readability is greatly reduced. As a handheld mobile device represented by a mobile phone, the probability of being exposed to sunlight is very high. In order to improve the user readability of the screen and improve the user experience, sunlight readable technology has become particularly important. The mainstream sun-readable technology mainly includes the following three types: one is to increase the backlight intensity, which is relatively straightforward, but it will increase power consumption, thereby reducing the standby time of handheld devices; , so as to imp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/00G06T5/40G06T5/50G06T7/90
CPCG06T5/40G06T5/50G06T2207/20221G06T5/94G06T5/92
Inventor 聂中平郑国卿
Owner 上海弘矽半导体有限公司