Images, thumbnails, properties or metadata

When I download the pictures I take with my camera to my computer, I can see they have a lot of information associated with them: their dimensions, the date when they were taken, their type, size, comments, and much more, including, I think, a thumbnail image.
How can we access and change those additional pieces of info through java code?
I have no experience whatsoever with image programming and I've been all morning messing around with the API's. I suspect it must have something to do with the javax.imageio.metadata package but I really couldn't figure it out.
Thanks.

This code can be used as a starting point. if you read it, you can understand the Javadocs.
http://dave.thielen.com/articles/Bitmap%20Resolution%20in%20Java.htm

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Have you selected Prefer Embedded previews from the toolbar, or is it set to High Quality on Demand, or Always High Quality?
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The XMP packet looks OK--the thumbnail is base64 encoded as it should be.
You'll have a better chance of a response if you post your question on the After Effects forum--readers there are more likely to be familiar with After Effects and Bridge.
Don't post the XMP packet text--just that you can't see After Effects thumbnails in Bridge.

Can't view image thumbnails...

However, only for one site.
http://orz.4chan.org/wg/imgboard.html
i can't see any of the image thumbnails, and only this weekend has it started happening. I haven't updated firefox, i haven't changed the theme, I haven't marked the website no images shown or anything, it just randomly started a few days ago. I can see it fine in safari.
Any ideas?

First the prefs are located in Users/Yourusername/Library/Preferences/. I don't use firefox so don't know exactly what the file will be called. In that folder though, look for things with Firefox or Mozilla in the name. They may be in a folder within that folder.
A reinstall of Firefox will probably remove the program but leave your corrupt prefs behind.
Do other users on your Mac have the same issues?
Message was edited by: gumsie

I am using a MacPro running OS 10.6.8. When saving an image in PS CC I no longer have a thumbnail of the image in my folder , just a generic PS symbol thumbprint. What do I do to get my image thumbnail back?

I am using a MacPro running OS 10.6.8. When saving an image in PS CC I no longer have a thumbnail of the image in my folder , just a generic PS symbol thumbprint. What do I do to get my image thumbnail back?
Adobe Creative Cloud

Photoshop CC needs at least OSX 10.7-10.9
You may be able to install and run it on 10.6.8, but as I understand it the rules for generating thumbnails has changed with Apple and CC writes them to suit the required OSX.
Photoshop CS6 will always give you image thumbnails but CC and CC 2014 have had thumbnails generated differently for the required OSX.
You will have to upgrade to 10.7,10.8, or 10.9
My file saving preferences are set like this:

Why is my uploaded images thumbnails are desaturated ?

Can anyone explain to me what am I doing wrong ?
In my mac I see everything perfect the thunbnails in lightroom looks fine, but when I upload my images online the image thumbnails is desaturated.
This is an example of one of my images Thumbnail from a website :
And thats is how it should look like (this is how it looks like when i enter the image frome the same website) :
Please help me understand why it is happening ?
Thanks...

Looks lime you're uploading in the wrong color space and the website doesn't correctly tag the downscaled thumbnails with the color space. Make sure to select sRGB as the color space in your export.

Project Images/Thumbnails suddenly gone (image count visible)

Hi,
The images/thumbnails in one of my projects are suddenly gone. The project image count (number) is still visible in the projects side bar. And I can see the images in the project overview-big-icon window. But the images are not viewed/visible when I click the project. I have tried fixing the database and exporting the project but neither worked. The odd thing is . What can I do?
Thanks for your help.
Message was edited by: Erbsenroller
Message was edited by: Erbsenroller

Hi Nathan,
You are my hero I must have activated a filter accidentally. Thanks so much for your help.
Erbsenroller

Images, thumbnails, properties or metadata

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