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I’m trying to follow the logic that I’ve recently read of using Bicubic Smoother for upsampling an image and Bicubic Sharper for downsampling. If upsampling’s gonna "soften" my image by interpolating pixels, my pea brain says SHARPEN as I interpolate, not smoothe. Why wouldn’t I want to sharpen going up?
The only answer I’ve conjured on my own is that Smoother somehow protects against artifacts. Is this it? And if it is, why wouldn’t I want to use Smoother going down as well? Why Sharper down?
I also understand (and see in my own experiments) that these new options produce subtle differences at best. Nothing dramatic here. Are my eyes seeing correctly?
Thanks.
The only answer I’ve conjured on my own is that Smoother somehow protects against artifacts. Is this it? And if it is, why wouldn’t I want to use Smoother going down as well? Why Sharper down?
I also understand (and see in my own experiments) that these new options produce subtle differences at best. Nothing dramatic here. Are my eyes seeing correctly?
Thanks.
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