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How to create quickly thumbnails for really big photos (16MB jpegs) ?

843805Oct 17 2005 — edited Jan 8 2006
I can't find an efficient method to create thumbnails (fast and good quality of course) for really big images. By "really big image" I mean 8-16Mb jpeg pictures (I'm refering to the compressed size of the file on disk).

It takes more (much more) than 1 minute to acheive a thumbnail for a single photo on a P4 2.5Ghz and 1Gb of ram (using 100% of the CPU).

I've been looking into these forums for a solution and I've tried every method presented in previous post but for really big images there is no fast solution. What I've found is that what works well for 500KB image won't for a 16MB image.

If you know how to create a thumbnail image of a 16MB jpeg in a few seconds please share it here. Thank you.
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Locked on Feb 5 2006
Added on Oct 17 2005
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