On 11/22/2010 05:59 AM, Ofnuts wrote:
> On 11/22/2010 02:24 PM, bioster wrote:
... elisions by patrick ...
>> Er, I think you misunderstood me a bit. I believe I understand what
>> the convolution matrix is, and I also understand why it's important. Yes,
>> the entire purpose of the convolution matrix is to look at neighbouring
>> pixels to create the pixel you're looking for, but that is not what I was
>> talking about when I said '50 samples'.
>> In the code which *creates* the convolution matrix it does not look at the
>> pixels at all. It creates the convolution matrix using an equation. I
>> would think that it would simply plug in the variables for each convolution
>> matrix value it's looking for, but what it is actually doing is taking 50
>> numbers and plugs those into the equation, then averages them.
>> Just to repeat, this is in the part that creates the convolution matrix, not
>> the part that uses the convolution matrix to generate pixel values. I was
>> wondering about the purpose of all those samples along the equation that
>> generates the matrix.
> From the comments in the code, it looks like it's computing the
> convolution matrix values by integrating the gaussian bell curve (using
> 100 points total).
Now I'm interested. Where can I look in the code for
this? They really do this every time with the same
results instead of just having an array of the numbers
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