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lilblackgirl
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Resizing photographs - 3/18/2004 1:17:49
What's the best way to take a photo that's 2000x2500 and resize it to something much smaller - like 200x250 without losing to much quality? i have a client who's given me a disk with these huge pics and when i try to reduce them to a reasonable size, the degredation is so severe that it just begins to look pixelated. Anyone have any suggestions?
thanks,
Lil
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d a v e
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RE: Resizing photographs - 3/18/2004 1:24:22
resize in steps. try down to 25% first then use unsharp mask (or sharpen if you haven't got unsharp mask in your app) if necessary do it in a couple of steps always in a multiple of 25% and unsharp after , then do the final step and use unsharp mask once more
if you have photoshop then you can record an action
alternatively ask for smaller pics from your client!
if you still have trouble post a link to a befoer and after and say what software/version you're using
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David Prescott
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Dario
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RE: Resizing photographs - 3/18/2004 1:58:29
Just wondering -- I assume you are down-sizing for use on a website.
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lilblackgirl
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RE: Resizing photographs - 3/18/2004 8:56:59
Yes Dario, it's for a website I'm building for a client.
dave, i'll give that a try. last night, i was just cutting down to about 5-10% straight off and it wasn't looking good. and to top it off, half of the pics are in B&W, so they look even more pixelated. I use PSP and overall, it really does a great job for what I use it for, but when it comes to resizing pics, i don't know if I'm just going about it all wrong or the app just doesn't do a good job. Likely the former. I'll give that a go and I'll also check out the pixresizer, Gorilla. I'm all about trying new apps.
thanks all,
Lil
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_gail
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RE: Resizing photographs - 3/18/2004 23:00:55
Lil,
You didn't say the subject matter of images you're reducing. Are they highly detailed?
Many of the original images I used in the headers (examples below) where huge by comparison to the final thumbnail size. It's still possible to get some decent detail if you're patient.
Here >
And here >
Remember, too, that the human eye viewing a web page will "fill" in some of the missing detail, as long at the images aren't really poor quality.
There are so many ways to go about it but I usually try to reduce the original size in one step to as close to the final size I want. I do all adjusting for brightness and contrast, hue, color and the like and typically save unsharp mask for last. Note that I said usually, not always, as there can be exceptions. Sometimes I unsharp mask twice.
Sometimes I have an image that, no matter what I do when I resize it, it comes out a mess. In those cases, and I know this sounds unsual, but I use Photoshop's Zoom Out tool to make the image smaller, take a screen shot of it, place in a new document then crop. Then I process the screenshot.
Mháircaish, that PIXresizer is a pretty nice program but I found that the images come out really blurry when reduced in size. Am I missing something?
gail
< Message edited by _gail -- 3/18/2004 23:03:17 >
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bushbaby
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RE: Resizing photographs - 3/19/2004 3:22:47
quote:
ORIGINAL: _gail
Sometimes I have an image that, no matter what I do when I resize it, it comes out a mess. In those cases, and I know this sounds unsual, but I use Photoshop's Zoom Out tool to make the image smaller, take a screen shot of it, place in a new document then crop. Then I process the screenshot.
What a great tip, Gail. I'll definitely try this next time I have a reduction problem with image quality. Thank you.
Another tip I remember seeing somewhere (can't remember if it was here on Outfront or somewhere else) is to always try and reduce in halves or quarters e.g 25%, 50% etc. Can't remember what the reasoning behind this was, but it made sense at the time I read it and I often follow this advice for graphics which need a fair amount of size reduction.
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Bushbaby
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d a v e
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RE: Resizing photographs - 3/19/2004 3:31:06
quote:
Another tip I remember seeing somewhere (can't remember if it was here on Outfront or somewhere else) is to always try and reduce in halves or quarters e.g 25%, 50% etc.
could it be near the top of this thread ;) (2nd post)
if you notice when you use PS or whatever if you zoom out to 50% it still looks pretty sharp, but if you do it to say 66% then it looks crap.
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David Prescott
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d a v e
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RE: Resizing photographs - 3/19/2004 9:08:01
no i don't understand the technical aspect either! i suppose it's a bit like folding a piece of paper over twice, but you can't really fold so well as 45.3% (does that make ANY sense!)
to be honest it's just better if you can start with a smaller pic!
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David Prescott
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lilblackgirl
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RE: Resizing photographs - 3/22/2004 10:57:52
yup, they are for photographs, both color and black and white. wedding photos and portraits, so some of them are a bit blurry or have the feathered effect to give it that soft glow look. unfortunately, i don't have PS, i use PSP and i know it may be an inferior product, but i can't afford the $600 for the program nor spend the time to learn it (not in this particular case).
_gail, those pics are amazingly detailed. i wish i could get mine to that quality.
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d a v e
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RE: Resizing photographs - 3/22/2004 11:30:28
i can't remember now, has your version of psp got unsharp mask?
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David Prescott
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lilblackgirl
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RE: Resizing photographs - 3/22/2004 11:47:22
that doesn't sound familiar and i've been working with psp for about 5 years now. can you explain what it does and maybe i could find something comprable to it in psp?
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d a v e
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RE: Resizing photographs - 3/22/2004 12:36:10
it sharpens the photo but better than using just sharpen could you check out your help file (try unsharp mask or sharpen)
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David Prescott
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lilblackgirl
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RE: Resizing photographs - 3/22/2004 13:05:58
ok, i found it. something i've never seen, but it does make a significant difference. It tends to make pics look a bit grainy at higher resolutions, but i'm sure that just takes some adjustment.
thanks dave!
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d a v e
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RE: Resizing photographs - 3/22/2004 15:39:28
if there's a radius setting then lower that to between 1 and 2 and see how that goes...
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David Prescott
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Printable Version 
. 
and keep plotting how I can expand time to fit in some good courses in PSP, photography etc.
