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Re: How to work on each image pixel?

From: Nicholas Jankowski
Subject: Re: How to work on each image pixel?
Date: Mon, 17 Oct 2016 12:06:24 -0400

On Mon, Oct 17, 2016 at 10:34 AM, Julien563 <address@hidden> wrote:
> Hello everyone,
> I'm still on the modeling of gravitational lensing.
> But this one fos I intended to proceed in a different method. Let me
> explain.
> I intend to take a picture, for example, a sky with a galaxy. And model the
> image by a matrix. This matrix would actually be of size N * M (where N is
> the pixel length of the image and M, the width)
> Each pixel would therefore a number of the matrix.

So, what is your question?

What you describe is the standard method that octave uses for handling
images.  I
recommend you read

in addition to the image package which has more available filtering options:

Then, let us know what your specific implementation questions are.

Nick J.

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