I have a plotter like the shown in the first image.
The task which I have to implement is conversion of 24 bits BMP to set of instructions for this plotter. In the plotter I can change 16 common colors. The first complexity which I face is the colors reduction. The second complexity which I face is how to transform pixels into set of drawing instructions.
As drawing tool brush with oil paint will be used. It means that plotter drawing lines will not be so tiny and they will be relatively short.
Please suggest algorithms which can be used for solving this image data conversion problem?
Some initial results are shown in the other images.
Dear Todor,
You can use any image processing packages which include programming interface such as Matlab to reduce the color from 24 bit to 8 bit as an example or from RGB to pseudo color. See the following site for more details :
https://www.mathworks.com/matlabcentral/answers/54731-how-to-convert-specific-pixel-value-to-pseudocolor
In addition you can control the plotters' pen using its programming guiding book such as the following book for HP plotter which include a chapter on how to control the pen and plotting for HP-7470(Chapter 3)
http://scruss.com/wordpress/wp-content/uploads/2014/03/HP-7470A_Graphics_Plotter Interfacing_and_Programming_Manual.pdf
For reducing the number of colors, you could try "median cut color quantization". Or maybe the" Generalized Lloyd's algorithm".
I can't advise you on how to paint effectively.
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