Go Back   RetouchPRO > Technique > Photo Restoration
Register Blogs FAQ Site Nav Search Today's Posts Mark Forums Read

Photo Restoration Repairing damaged photos

Digital Camera Noise

Thread Tools
Old 12-05-2002, 06:32 AM
gland's Avatar
gland gland is offline
Senior Member
Join Date: Jul 2002
Location: Texas
Posts: 244
I too have a Kodak DC4800. In low light conditions, the noise is pretty bad-almost unusable. In good lighting however the images can be quite spectacular.

I've tried even going to TIFF mode which produces about a 9 meg file but in low light, the noise is still there.
Reply With Quote top
Old 12-05-2002, 08:39 AM
June Curtice June Curtice is offline
Junior Member
Join Date: Oct 2002
Location: Albuquerque, New Mexico
Posts: 28
Re: Digital Camera Noise

Originally posted by metabug
Hi all,

... is there a trick to removing digital camera noise in images, without totally blurring them ?
Hi metabug,

I've had some success by first going into Channels, removing/adjusting noise where it's most apparent. In the case of digital photos I get from one particular client it is usually the blue channel that needs adjustment.

There's also a tutorial by Jak for replacing a channel:

Hope this helps.
Reply With Quote top
Old 12-05-2002, 09:54 AM
metabug's Avatar
metabug metabug is offline
Junior Member
Join Date: Dec 2002
Posts: 6
Re: Camera Settings

Jak, In answer to your questions:

I am using JPEG at the highest quality setting. TIFF would be nice, but let's face it, not everyone has an IBM MicroDrive...

I am zooming in only with my lens (which allows 3x optical zoom); that should not affect things, I think.

I usually set ISO on auto; in this case, the ISO was 200 I think (I did not save the image info, sorry).

Also, I am not really a professional, so print image sizes don't matter to me that much. I keep all my images in digital format. I resize them sometimes if I want to magnify some area or make the image smaller for email/ftp. In this case, however, I did not resize anything. The image is at the original resolution of 2160x1440.

Also, I was really surprised to read the URL you posted about the DC4800. My experience mirrors gland's: low light means high noise.
Reply With Quote top
Old 12-06-2002, 03:13 PM
Terry_G Terry_G is offline
Junior Member
Join Date: Dec 2002
Posts: 1
Here are some more sites:
Reply With Quote top
Old 12-06-2002, 09:59 PM
Stephen M Stephen M is offline
Senior Member
Join Date: Apr 2002
Location: Sydney, Australia
Posts: 439
If you like blurring the blue channel of RGB, then please do yourself a favour and try this experiment:

* Find a noisy blue channel file (use three dupes, but I prefer history snapshots in Photoshop).

* Directly blur the B channel in RGB how you normally would.

* In a dupe or as a new history state/snapshot - dupe the layer and set to COLOR blend mode and then do the blur. Flatten. You can also just go blur/fade to color blend mode if not using layers.

* Inspect the results of 'Indirect Colour Component Filtering' vs direct filtering.

* Then experiment with using larger blurs, or combinations of smaller filtering including despeckle, median, smart blur, gaussian blur etc.

This simulates LAB, HSB, HSI, HSL, YCC type colour modes - where colour (hue/saturation) is separated from tone.

More on this subject can be found here:


Stephen Marsh.
Reply With Quote top

  RetouchPRO > Technique > Photo Restoration

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is Off
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
Free Action Set for Digital Noise Removal gmitchel Photo Restoration 5 11-17-2013 08:20 AM
Can noise be avoided in PnS Digital Cameras? Donamai Hardware 6 05-21-2007 05:30 AM
Digital Camera and scanner - help to pick Marthig Hardware 4 01-21-2006 05:39 PM
Durable Digital Camera? G. Couch Hardware 15 02-04-2004 07:46 AM
digital camera ...noise reducer tom c Software 2 05-11-2002 08:11 AM

All times are GMT -6. The time now is 10:59 AM.

Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.
SEO by vBSEO ©2011, Crawlability, Inc.
Copyright © 2016 Doug Nelson. All Rights Reserved