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Thread Subject: Pixel counting

Subject: Pixel counting

From: Cem NAMAZCI

Date: 19 May, 2008 12:15:04

Message: 1 of 3

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Hi everyone,

I have a segmented image, and want to count number of pixels
in this image... i should calculate, how much zeros and ones
are in this image...

Segmented images are:

http://bildupload.sro.at/p/247805.html
http://bildupload.sro.at/p/247806.html
http://bildupload.sro.at/p/247807.html
http://bildupload.sro.at/p/247808.html

Subject: Pixel counting

From: Matt

Date: 21 May, 2008 20:32:01

Message: 2 of 3

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"Cem NAMAZCI" <cmnmzc@gmail.com> wrote in message <g0rr08
$732$1@fred.mathworks.com>...
> Hi everyone,
>
> I have a segmented image, and want to count number of
pixels
> in this image... i should calculate, how much zeros and
ones
> are in this image...
>
> Segmented images are:
>
> http://bildupload.sro.at/p/247805.html
> http://bildupload.sro.at/p/247806.html
> http://bildupload.sro.at/p/247807.html
> http://bildupload.sro.at/p/247808.html

A = numel(img(img==0))
B = numel(img(img==1))

Subject: Pixel counting

From: Jean-Yves Tinevez

Date: 21 May, 2008 21:40:20

Message: 3 of 3

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> A = numel(img(img==0))
> B = numel(img(img==1))

Or shorter:
A = sum(img(:));
B = length(img(:)) - A;

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Tag Activity for This Thread
Tag	Applied By	Date/Time
zeros	Cem NAMAZCI	19 May, 2008 08:20:03
ones	Cem NAMAZCI	19 May, 2008 08:20:03
image	Cem NAMAZCI	19 May, 2008 08:20:03
processing	Cem NAMAZCI	19 May, 2008 08:20:03
count	Cem NAMAZCI	19 May, 2008 08:20:03
pixel	Cem NAMAZCI	19 May, 2008 08:20:03

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