"HDR Toning," part 2
August 2012: Learn how to tweak the details in your images to achieve a fantastic look.
Contributed by Tony Hallas
Published:
June 25, 2012
In my previous column, I went over the basic controls of Adobe Photoshop CS5’s “High Dynamic Range (HDR) Toning.” Now, it’s time to fine-tune.
To fully understand HDR, it helps to know why it was invented. As digital imaging evolved, it became easy to capture information beyond what a single frame can depict. When Photoshop creates a huge 32-bit image — by combining data from the deepest shadows to the brightest highlights — a problem arises. How do you bring all these tonal values down to a more limiting 16- or 8-bit image without losing too much detail?
Astronomy magazine subscribers can read the full column for free. Just make sure you're registered with the website.
|
You are currently not logged in. This article is only available to Astronomy magazine subscribers.
Already a subscriber to Astronomy magazine?
If you are already a subscriber to Astronomy magazine you must log into your account to view this article. If you do not have an account you will
need to regsiter for one. Registration is FREE and only takes a couple minutes.
Non-subscribers, Subscribe TODAY and save!
|
|
Get instant access to subscriber content on Astronomy.com!
- Access our interactive Atlas of the Stars
- Get full access to StarDome PLUS
- Columnist articles
- Search and view our equipment review archive
- Receive full access to our Ask Astro answers
- BONUS web extras not included in the magazine
- Much more!
|