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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 <nicklas.karlsson17@gmail.com> 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.
Thanks!!
Maria