Re: Diagonal Stripes in Resizes

"Spandex Rutabaga" <SpRu@agabatur.xednaps> wrote in message 
news:45C37662.C9515544@agabatur.xednaps...
> Spandex Rutabaga wrote:
>
>> The way to suppress aliasing effects is to remove the high
>> spatial frequencies (abrupt edges) that cannot be represented
>> by the smaller number of pixels in the new image prior to doing
>> the resizing.
>
> Just so you don't think my advice was applicable only to carefully
> chosen toy examples, attached is the result of blurring and then
> resizing the rail image you posted. It's more of a problem since
> you already created jaggies in the image. However, the technique
> I described works perfectly well for the image anyway. See
> attached.


Thanks to those replying. I'm hoping to find time to work with some of these 
ideas over the weekend.