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☖ Forums → Discussion Forum → Quick Photoshop Question
Quick Photoshop Question
2007-04-03, 12:55 PM #1
I was trying to batch resize some photos using photoshop CS2 (and this tutorial http://www.youtube.com/watch?v=ttoEQJ4SqCk). I get an error that says "Could not complete your request because a JPEG marker segment length is too short (the file may be truncated or incomplete)." but I have no such problems when doing the exact same thing manually.
Aquapark - Untitled JK Arena Level - Prism CTF
2007-04-03, 1:26 PM #2
I don't know about Photoshop, but Irfanview is handy for doing stuff like that. There may be a problem with Photoshop not loading the file the same way for a batch as for doing something manually.
"Flowers and a landscape were the only attractions here. And so, as there was no good reason for coming, nobody came."
2007-04-03, 1:29 PM #3
I actually tried irfanveiw already and the images turned out to be of really terrible quality (even with the jpeg quality set to best).
Aquapark - Untitled JK Arena Level - Prism CTF
2007-04-03, 1:32 PM #4
Thats odd. :saddowns:
"Flowers and a landscape were the only attractions here. And so, as there was no good reason for coming, nobody came."
2007-04-03, 1:35 PM #5
Resizing guarantees horrible quality unless you know exactly what you're doing and are doing it on purpose.

Resampling gives you much better quality.

2007-04-03, 1:35 PM #6
Yeah here's a comparison. Top is Photoshop CS2 bottom is irfanview.
Attachment: 15938/IMG_0050.jpg (143,085 bytes)
Attachment: 15939/medium0001.jpg (103,830 bytes)
Aquapark - Untitled JK Arena Level - Prism CTF
2007-04-03, 1:39 PM #7
Wait, so what is the difference between resizing and resampling?

Edit: Never mind I checked it out on google. Also I found a use resample function checkbox in irfanview.
Aquapark - Untitled JK Arena Level - Prism CTF
2007-04-03, 3:49 PM #8
Use the lanczos filter when you resize. Failing that, bicubic usually works just as fine. Especially when going smaller. In fact I'm unsure if there is a visible difference.
Bassoon, n. A brazen instrument into which a fool blows out his brains.
2007-04-03, 4:31 PM #9
Yeah, going bigger to smaller should never cause any serious quality loss (except for detail, obviously).

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