Share article:
Share article:

 
Sharp Noise
Every photographer as well as artisans of all sorts know how important it is to have an extra specialty tool available for when things don't quite work out the way you expect them to. Photoshop'sHigh Pass Filteris one of those tools. Let's see how to use it.
Unsharp Maskingis the way that everyone who works with digital image processing knows to sharpen their files. Of course the use of this ill-named tool has nothing to do either with masking, or unsharpness. It's just a carryover from the days when an unsharp negative was sandwiched with a sharp one to enhance edge contrast. And that is in fact what the Unsharp Mask tool in Photoshop does, it increases edge contrast. (For a look at the best methods for doing Unsharp Masking have a look at my tutorialInstant Photoshop.)
But, as useful as it is, the USM tool has problems, and one of these is that it also increases any noise present in the file. Particularly noisy photographs therefore can suffer when USM is applied....

Read this story and all the best stories on The Luminous Landscape

The author has made this story available to Luminous Landscape members only. Upgrade to get instant access to this story and other benefits available only to members.

Why choose us?

Luminous-Landscape is a membership site. Our website contains over 5300 articles on almost every topic, camera, lens and printer you can imagine. Our membership model is simple, a Dollar-a-Month ($12.00 USD a year). This $12 gains you access to a wealth of information including all our past and future video tutorials on such topics as Lightroom, Capture One, Printing, file management and dozens of interviews and travel videos.

  • New Articles every few days
  • All original content found nowhere else on the web
  • No Pop Up Google Sense ads – Our advertisers are photo related
  • Download/stream video to any device
  • NEW videos monthly
  • Top well-known photographer contributors
  • Posts from industry leaders
  • Speciality Photography Workshops
  • Mobile device scalable
  • Exclusive video interviews
  • Special vendor offers for members
  • Hands On Product reviews
  • FREE – User Forum. One of the most read user forums on the internet
  • Access to our community Buy and Sell pages; for members only.
Share article:
Michael Reichmann is the founder of the Luminous Landscape. Michael passed away in May 2016. Since its inception in 1999 LuLa has become the world's largest site devoted to the art, craft, and technology of photography. Each month more than one million people from every country on the globe visit LuLa.
See all articles by this author

You may also like

qtwg

The ALEXA 265: When Large Format Meets Freedom of Movement

ARRI's groundbreaking ALEXA 265 redefines large format cinema with its compact 6.5K sensor, 15-stop dynamic range, and revolutionary form factor, making professional 65mm cinematography more accessible than ever.
Jon Swindall

Jon Swindall

·

December 5, 2024

·

3 minutes read


madeleine
Community

Perpetual Motion – The Changing Faces Of The Sea

A photographer's intimate exploration of the sea's ever-changing moods, captured through daily visits to the Dutch coastline.
Madeleine Lenagh

Madeleine Lenagh

·

December 2, 2024

·

6 minutes read