Method for forming pseudo-color image from 16-bit data

A pseudo-color, data technology, applied in the field of computer digital image processing, can solve problems such as huge, inability to obtain target information, and achieve the effect of easy observation

Active Publication Date: 2019-12-24
XIAN UNIV OF TECH
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to provide a kind of method that 16bit data is formed into false color image, has solved the existing 16bit data all is digital, is very ...

Method used

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  • Method for forming pseudo-color image from 16-bit data
  • Method for forming pseudo-color image from 16-bit data
  • Method for forming pseudo-color image from 16-bit data

Examples

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Embodiment

[0070] The implementation process of a pseudo-color mapping method based on 16bit data is illustrated below through a group of 16bit data operation examples.

[0071] First, perform step 1 to build an RGB color cube, build a cylinder in it, and find the helix of the cylinder that needs to be mapped. The RGB color cube is as follows image 3 As shown, the cylinder and the helix are as Figure 4 shown;

[0072] Then, perform step 2 to round the helix, that is, the mapping function, to obtain the values ​​of the three channels R, G, and B, and add them to the A channel. The mapping function chromatogram is as follows Figure 5 shown;

[0073] Finally, perform step 3 to read in 16bit data, which is a 16bit digital matrix, including the number of rows and columns, and the data type, such as Figure 6 Shown; get R, G, B three single-channel images, RGB fusion image and RGBA fusion image, respectively as Figure 7 ~ Figure 11 As shown; after observing and detecting the fused imag...

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Abstract

The invention discloses a method for forming a pseudo-color image from 16bit data, which comprises the following steps: firstly, constructing an RGB color model cube, and constructing a spiral curve in the RGB color model cube; then, a fourth-dimensional channel A is added, and a mapping function is constructed; and finally, performing color mapping on the 16-bit data according to the mapping function obtained in the step 2, and performing channel fusion to obtain a pseudo-color image. According to the method, the data is converted into the pseudo-color image, observation is easy, abnormal information of the data can be clearly obtained, the method is applied to the field of X-ray nondestructive testing and the like, the digital matrix is converted into the image, and the abrasion positionis rapidly and accurately obtained.

Description

technical field [0001] The invention belongs to the technical field of computer digital image processing, and in particular relates to a method for forming 16-bit data into a pseudo-color image. Background technique [0002] A color model refers to a subset of visible light in a three-dimensional color space that includes all the colors of a color gamut. Generally speaking, any color gamut is only a subset of visible light, and any color model cannot cover all visible light. [0003] Common color models include HSV color model, Lab color model, and RGB color model. The RGB color model is a commonly used way of expressing color information at present. It uses the brightness of the three primary colors of red, green, and blue to quantitatively represent the color. This model is also called the additive color mixing model, which is a method of color mixing by superimposing RGB three-color light, so it is suitable for the display of illuminants such as monitors. The RGB color...

Claims

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Application Information

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IPC IPC(8): G06T5/00G06T7/90
CPCG06T5/001G06T7/90G06T2207/10024
Inventor 金海燕于洋肖照林蔡磊李秀秀杨秀红
Owner XIAN UNIV OF TECH
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