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Library: Inside Photoshop

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Inside Photoshop, May 2016
 Inside Photoshop, May 2016 Issue

 

Inside Photoshop www.elijournals.com Change the mood your photos cast by burning their edges

Added on Tuesday 17th of May 2016 01:19 am EST
 

by Renée Dustman

For some reason, photographs with burnt edges, like the one shown in Figure A, are intriguing. Maybe it's the dark coloring caused by the burning embers or maybe it's the glimmer of what was almost lost. Whatever the reason, if you'd like to emulate the sort of mood burnt-edged photographs create, you don't have to damage any of your valued photographs to produce it. In this article, we'll show you how to simulate the look of burnt edges without so much as striking a match.

Figure A:

Article figure image

Prepare your document

To begin, launch Photoshop and choose File > Open. Locate the image you want to modify and click Open. Make sure your image is in RGB or CMYK Color mode (Image > Mode). Next, make a copy of your document by choosing Image > Duplicate. In the resulting Duplicate Image dialog box, enter a filename and click OK. Now, close the original document and display the Layers panel (Window > Layers) in your duplicated document. Double-click on the Background layer and name the layer burnt edges in the resulting dialog box, for results shown in Figure B. Click OK to make it a working layer. You're now r

 

 

Use the Lens Correction filter to eliminate Go Pro camera distortions

Added on Tuesday 17th of May 2016 01:20 am EST
 

by Amy Palermo

The Go Pro camera is popular for a number of reasons—it's compact, durable, and fun to boot! But its wide-angle lens makes it prone to distorting your images. For example, the landscape in Figure A should be flat, not rounded. (Image provided by Joe Palermo.) Not to worry, we'll show you a quick way to remove this distortion with the Lens Correction filter.

Figure A:

Article figure image

Fish eye distortion

Fish eye—or barrel—distortion is a common ailment caused by wide-angle lenses. When the field of view is wider than the camera's image sensor, the final image is compacted to fit, hence distorted. This often makes a photo appear curved (similar to a barrel shape), especially near the edges.

Certain cameras, such as the popular Go Pro, are simply prone to capturing images with distortion because they use a wide-angle lens. This same distortion can be caused by zoom lenses or from photographing a subject too close to the camera.

Fish eye fix with the Lens Correction filter

The photo shown in Figure A was shot using a Go Pro Hero camera, and as we mentioned earlier, it has an unnatural curve at the bottom of the photo. We'll show you how we removed the distortion using the Lens Correction filter. First we'll convert the layer to a Smart Object so it's easily editable, and then we'll make a quick a

 

 

Take control of digital noise with Photoshop’s Reduce Noise filter

Added on Tuesday 17th of May 2016 01:21 am EST
 

by Jim Whitcomb

Digital noise isn't always bad. Sometimes you'll welcome a little noise in your digital images for a nostalgic film grain appeal, or maybe for the illusion of a sharper image. But most often, noise distracts from an image's aesthetic beauty and degrades its quality. And even if you take great care to get the exposure right, sometimes you can't avoid introducing noise in your digital images. But you can take control with the Reduce Noise filter and eliminate the noise, as shown in Figure A. Let's explore how.

Figure A: Before Reduce Noise filter

Article figure image

After Reduce Noise filter

Article figure image

Where does digital noise come from?

Digital image noise isn't hard to recognize; it appears as a coarse graininess, most easily seen in the image's shadow areas, as shown in Figure B. There are two types of digital noise: luminance and chrominance.

bullet Luminance is similar to film grain, and often appears when a Photographer uses a high ISO setting or when he captures an underexposed image.

bullet Chrominance is color noise and appears when red, green, and blue pixel information differs from reference color data. This occurs during digital image capture or during RAW image processing when converting to RGB.

In either situation, digital noise is distracting when you don't want the effect. Let's open a sample image and explore how to remove the luminance noise.

Figure B:

Article figure image

Article figure image

Open and inspect an image

Let's open a sample image shot using an ISO of 800. If you want to follow along using our example, download the file noise.zip from the URL given at the beginning of this article, and extract the file noise.psd.(Photo by Jim Whitcomb.)

To inspect the image noise:

1. Launch Photoshop and open the file noise.psd, shown in

 

 

Inside Photoshop 12 www.elijournals.com Draw viewers in with a well-defined focal point

Added on Tuesday 17th of May 2016 01:23 am EST
 

by Amy Gebhardt

One of the best methods to create a focal point in an image is to apply a slight blur to the surrounding elements. In a sense, this forces viewers to see what you want them to see, and it's a subtle enough technique that the blur won't detract from the overall image. Photoshop's Lens Blur filter enables you to create more realistic-looking and highly controlled blurs. Let's take a closer look.

Understanding all of your options

When you first open the Lens Blur dialog box, shown in Figure A, you may feel a bit overwhelmed by all of the different options presented to you. However, it's these options that allow you to have a great deal of control over any alterations you make to your image. Let's go over them now.

Figure A:

Article figure image

Depth Map

In the Depth Map section, you can specify the pixels within your image that you want blurred. For example, if you choose None from the Source pop-up menu, then Photoshop applies the blur to every pixel evenly. This is because you aren't using a depth map; you're just applying the blur. If you select Transparency, Photoshop applies the blur to the image based on the transparency of each pixel. If you select Layer Mask from the Source pop-up menu, then the blur is based on the grayscale values within the mask. Finally, if you select a custom-made alpha channel, the blur is based on the grayscale values within that channel. By default, any of the black areas within your image are designated as the foreground, and the white areas or transparent areas are designated as the background. The pixels established as the background will be blurred.

Along with assigning a depth map, you can also adjust the Blur Focal Distance by moving its slider back and forth. If you set the value to 0, the black pixels will be in focus; if you set the value to 255, the white pixels will be in focus. Any setting in between the two extremes will cause a gray value to be in focus. Besides making adjustments using the slider, you can also click anywhere on the image preview to take a sample of a specific value. Then, that sampled area will determine the focal distance.

Iris

If you're a photographer or familiar with photography, then you'll probably

 

 

Quickly locate the darkest and lightest pixels in an image

Added on Tuesday 17th of May 2016 01:24 am EST
 

by Amy Palermo

When you're color correcting an image it's important to be able to identify the darkest shadow and the brightest highlight. But if your eyes aren't properly trained that doesn't mean your image has to suffer. Instead, try this trick.

To determine the darkest and lightest pixels in an image:

1. Click on the Create A New Fill Or Adjustment Layer button located at the base of the Layers panel and choose Threshold from the pop-up me

 

 

Use this super fast method to colorize an image (CS5/CS6/CC/CC 2014/CC 2015)

Added on Tuesday 17th of May 2016 01:25 am EST
 

by Amy Palermo

Photoshop offers many ways to convert an image to grayscale in Photoshop—and then colorize or tint