deleting every other line in an image

[François Chaplais]

Le 13 nov. 07, à 01:05, Jim Ault a écrit :

> Why not use the Thumbnail Stack that Eric Chatonet has on his tutorial 
> page?
> Just use 1/2 * the Height and get a smoother jpg since you will be 
> sampling
> to get the smaller image.
>

yes, but the downsizing is probably not performed by the subsampling 
that Josh wanted (btw, Josh, do you have wavelet or sub-band filtering 
in mind?)

> No need for all the looping and slow pixel-by-pixel work.

as I said, it's a different algorithm.
>
> Jim Ault
> Las Vegas
>
Francois Chaplais
35 rue Saint-Honore
77305 Fontainebleau Cedex
France
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