# 激光打标中图形和图像处理研究Study on Laser Marking Graphics and Image Processing

DOI: 10.12677/APP.2019.912061, PDF, HTML, XML, 下载: 368  浏览: 771  科研立项经费支持

Abstract: We analyze the image processing problems in the early stage of laser marking and the changes in the marking effect when the setting parameters are adjusted. Based on the requirements of the marking on the image, the image is grayed out, and the grayscale transformation is used to adjust the grayscale range of the original image to present a better visual effect of the marking.

1. 前言

2. 数字图像处理

$f\left(x,y,z\right)=\left\{{f}_{red}\left(x,y,z\right),{f}_{green}\left(x,y,z\right),{f}_{blue}\left(x,y,z\right)\right\}$ (1)

$f\left(x,y,z\right)=\left\{{f}_{red}\left(x,y\right),{f}_{green}\left(x,y\right),{f}_{blue}\left(x,y\right)\right\}$ (2)

$\left[\begin{array}{cccc}f\left(0,0\right)& f\left(0,1\right)& \cdots & f\left(0,N-1\right)\\ f\left(1,0\right)& f\left(1,1\right)& \cdots & f\left(1,N-1\right)\\ ⋮& ⋮& \ddots & ⋮\\ f\left(M-1,0\right)& f\left(M-1,1\right)& \cdots & f\left(M-1,N-1\right)\end{array}\right]$ (3)

3. 位图和矢量图转换

$f\left(i,j\right)=\left\{\begin{array}{l}0\text{}\text{\hspace{0.17em}}\text{}f\left(i,j\right) (4)

4. 激光打标效果的影响因素

(a) (b) (c)

Figure 1. (a) The marking speed of 200 mm/s; (b) The marking speed of 800 mm/s; (c) The marking speed of 1500 mm/s

(a) (b) (c)

Figure 2. (a) The laser output power of 30%; (b) The laser output power of 60%; (c) The laser output power of 90%

5. 总结

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