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Self adaptive image display method for environment light

An image display and self-adaptive technology, applied in image communication, static indicators, optical radiation measurement, etc., can solve problems such as the influence of human eyes on images

Inactive Publication Date: 2007-06-27
INESA ELECTRON
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The invention provides an adaptive image display method for ambient light, which solves the problem of the influence of ambient light on images observed by human eyes, and enables image display to adjust display parameters according to changes in ambient light, making it suitable for human eyes to watch or observe

Method used

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  • Self adaptive image display method for environment light

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Experimental program
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Embodiment approach

[0087] As shown in Figure 1, the present invention provides a kind of ambient light adaptive image display method, and it comprises the following steps:

[0088] Step 1. Initialize video sequence parameters:

[0089] Progressive illuminance, ALLuxProgressive=0;

[0090] Current image pixel brightness sum, ValueSum=0;

[0091] RGB Gamma mapping table, RGBGammaTable[j][i];

[0092] For(i=0; i<256; i++)

[0093] For(j=0; j<3; j++)

[0094] RGBGammaTable[j][i]=i;

[0095] For is a loop statement;

[0096] Step 2, input a frame of RGB video signal or image signal;

[0097] Step 3. When a frame signal is input, sample the ambient illuminance and infrared ratio:

[0098] Ambient illuminance is measured by a special photosensitive device, and the unit is Lux;

[0099] In order to control the jump of the image display caused by the jump of the illuminance of the ambient light, the progressive illuminance ALLuxProgressive is used instead of the measured illuminance;

[...

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Abstract

The invention relates to an image-environment-adaptive displaying method, which adjusts the image brightness and contrast, and measures and makes a color temperature Table, and then it adjusts RGB with a small scale according to the color temperature table and adjusts directly the saturation of each pixel in the HSV space. The invention enables the displaying parameters change according to the environment, and it makes the images to be more suitable for eyes for viewing or observing.

Description

technical field [0001] The invention relates to the field of image display, and mainly relates to an ambient light adaptive image display method. Background technique [0002] Some principles of human vision and some observation experiments show that: [0003] 1. The human eye observes the image. When the brightness of the image matches the brightness of the environment, the human eye will have a more comfortable feeling and can observe and appreciate for a long time. The brightness here includes black field brightness and white field brightness. [0004] 2. Although everyone has their own favorite color temperature, this feeling is different with the color temperature of the ambient light, so that the color temperature of the image display can follow the change of the color temperature of the ambient light to better meet the individual's preference for color temperature . [0005] 3. According to the experimental test, the color temperature preferred by the human eye ten...

Claims

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Application Information

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IPC IPC(8): H04N5/57H04N9/73G09G5/00G09G5/02G09G5/10G01J5/60
Inventor 黄晓东
Owner INESA ELECTRON
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