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Channels

Photoshop Image Extraction with Channels

September 3, 2013

If you're creating image composites, and especially if you're working with stock images, you'll find yourself needing to extract image elements from a white background. This can be a straightforward task with Photoshop, and often you'll get better results with some of the old school techniques. For example, take this image from Shutterstock. Here we have a figure on a white background, and your first thought might be, "I can make short work of this with Quick Selection Tool." (Or the magic wand). [More]

When Selections Define Your Image

December 21, 2010

Over the past few weeks, I’ve discussed various basics of creating and selecting areas of your image, and today, we’ll have a bit of fun with it – to give you an idea of the power that is at [More]

Photoshop Selection Power Tips

December 14, 2010

Over the past two weeks, we’ve looked at Selection Basics and Selection Techniques using Photoshop CS5, and we’ve developed a fundamental framework of understanding about selections, masks and [More]

Photoshop Selection Techniques

December 7, 2010

In last week’s tip, I presented some Selection Basics in Photoshop that were intended to get you thinking about selections in new ways and with a better understanding of what was happening. In [More]

Selection Basics in Photoshop

November 30, 2010

Way back in my early days of learning Photoshop, selections were a mystery to me. Sometimes they made perfect sense, and other times they were nothing but a source of frustration. This cloudy [More]

Upscaling Grayscale

February 3, 2010

Although it’s eminently preferable to scan all your old photos in color, sometimes we don’t have the luxury of that choice. Sometimes we only have access to grayscale scans of photos, for [More]

Repairing Ink Blots

December 16, 2009

Bad things happen. Bad things even happen to our photos. Bad things like…ink. So when the bad thing happens, how do you go about fixing it? The first thing to remember is to not try to wipe it [More]

Rebuilding RGB

November 12, 2009

Sample image file included at the end of this post, if you wish to follow along! Today, we’re going to “rebuild” RGB channels. This technique comes in handy if a couple of your original RGB [More]

Ask A.J. About Photoshop #1

October 15, 2009

Today's guest post is a little different. To kick off the new "Ask A.J." series I thought it best to respond with a video answer to the questions posted. Little did I know the adventure awaiting me as I tried to render out the screencast file, then upload to YouTube, then to Vimeo. Needless to say, I'm a bit tired from the early AM recording, but it's all for you dear readers. Watch the video, leave some comments, and spread the word if you think this is a good thing. Oh, and forgive me if I drift off a bit towards the end, I made it through the night without so much as a drop of caffeine. [More]

The Long And Winding Road

August 19, 2009

by Janine Smith The use of the postcard first began in 1861 when a copyright was issued to one John P. Charlton of Philadelphia, Pa. The first cards, called “postal cards” or “postals”, were [More]

Blend-O-Rama

August 5, 2009

Calculations as a Channel Blender! Huh! Who knew? Probably a lot of people, but it’s pretty new to me! Suffice it to say I’m not one of those who gets a new toy and rushes off to write [More]