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Re: Binary image from a plot

From: Maria Jose Casas Serrano
Subject: Re: Binary image from a plot
Date: Fri, 10 Jul 2020 14:18:37 +0200

> On 10 Jul 2020, at 14:16, N <> wrote:
>> HI Nicklas, 
>> I use print instead of saveas when saving the plot but as far as I know they 
>> are very similar, aren’t they?: 
>> # save as png monochrome
>>        print(plothandler, filenameimage, "-mono”);
> Yes at least for these cases they produce the same result I can't imagine it 
> can make a difference.
>> And when reading the image I’m using imread but the image has grayscale 
>> color type and I should convert it to binary for the fitness function. 
>> Finally I got it but at the moment I sent the first email I was a bit stuck 
>> on this.
> Grayscale is like 253 shades of gray plus black and white. Binary is zero or 
> one. You may compare grayscale matrix against a number to get a binary 
> result, black and white picture.

Yeah, that exactly was what I did finally. I used a threshold to convert to 
white or black. 



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