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Photography Question 
Joan Warburton
BetterPhoto Member Since: 2/28/2005
 

Problem With Thumbnails


 
 
How can I prevent the very detailed photos from looking all broken up, when uploaded (thumbnail version)? They're much better when you click on the thumbnail and enlarge the image.

I'm reducing images from "high image quality, highest pixels", 300 dpi, to approx 750 x 500, 72dpi. The thumbnail images are a mess. They're ok once you click on them and bring up the size.

This happens with no manipulation and with effects. Either way I can't get these thumbnails to look right.

It also occurrs mostly with photos of anything metal, which happens to be my favorite things to shoot, LOL! The more intricate the design, the worse the problem is.

Your assistance would be greatly appreciated.


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7/23/2005 9:35:02 AM

 
Joan Warburton
BetterPhoto Member Since: 2/28/2005
  I forgot to mention that I added an "unsharpen" mask which made it a tiny bit better. Thanks in advance. joan


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7/23/2005 9:40:01 AM

 
Bob Cournoyer
BetterPhoto Member Since: 2/9/2003
Contact Bob
Bob's Gallery
bobslens.com
  I would guess (and a guess only) that it's the nature of the beast with so many lines over lines in a very small pic.
By the way, great gallery..:-)

Bob


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7/23/2005 10:05:15 AM

 
John Rhodes
BetterPhoto Member Since: 2/24/2005
  Joan, I agree with Robert. Parallel lines often result in the problem you are having. How about other photos?
VR
John


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7/23/2005 11:20:31 AM

 
John Rhodes
BetterPhoto Member Since: 2/24/2005
  I just answered my own question. Your other photos are excellent with none of the effect you get with the parallel lines.
John


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7/23/2005 11:23:05 AM

 
Joan Warburton
BetterPhoto Member Since: 2/28/2005
  Thank you so much Bob and John. So far I've only had problems with metal that is very detailed. I had several photos in my portfolio that I had to take down because the thumbnails looked awful. All of them were highly detailed pics of the George Washington Bridge.

The bridge is getting a facelift and there's scaffolding over the main sections. It's a fascinating design and I've taken it from all angles. I've tried everything to make the thumbnails look right.

I appreciate your time to respond and the compliments on my photos. Thank you so very much. joan


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7/23/2005 4:08:04 PM

 
Bob Cammarata
BetterPhoto Member Since: 7/17/2003
  This is a common phenomenon and one of my pet peeves also.
This effect seems to be most pronounced with a thin bright line against a dark background.
All of the fireworks shots on my website look all broken on the thumbnail. When the images are enlarged the pixelated lines clear up,...but not completely.
The depressing part is that the original slides from which the images were scanned are flawless. The lines are all sharp and well defined.


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7/24/2005 12:59:01 PM

 
Joan Warburton
BetterPhoto Member Since: 2/28/2005
  Thank you Bob. At least I know it's not just my photos. I thought maybe I was doing something wrong. I appreciate your response. joan


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7/24/2005 4:48:47 PM

 
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