The Photography Knowledge Hub Blog

About Photography Color Correction and Pre-press

How to flawlessly update to Photoshop CC 2017

  Maybe you don't know but, updating Photoshop you may replace the older version or keep it. There are a couple of reasons why you should'nt opt to replace. Here few tips to make the update to Photoshop CC 2017 easy as a pie. Follow the instructions below and...

Frequency Separation Made Easy

To put it as easily as possible, frequency separation is a Photoshop technique which separates the texture of an image from its shape creating two layers, one storing color and luminosity information and the other one, storing the detail. Activating a curve adjustment layer, restricted to operate on the high frequency layer, you can change the detail level of the image by steepening or flattening the curve. You will also be able to easily clone over defective parts with no visible side-effects.

What’s new in Wow! Frequency Equalizer Pro Vs Classic

Wow! Classic works on five different frequency layers, but where are they? Well, they’re hidden: you actually manipulate them with the sliders, but there’s nothing else you can do. Wow! Pro adds the option to turn each frequency into its own pixel layers. You can paint, clone and heal on the very exact frequency layer that contains the features you need to target, with great precision, giving you unprecedented control over the retouching process.

Spatial Frequency Separation in Theory

Usually one encounters spatial frequency separation for the first time in the field of beauty retouch. To put it as easily as possible, it is a technique which separates the texture of an image from its shape, allowing the retoucher to easily clone over defective parts with no visible side-effects.

How to Survive Photoshop CC 2015 Update

The CC 2015 suite brings many new features, sometimes amazing, but many not very relevant to photographers; however if you want to update just now you should follow our survival tips to avoid issues like loosing your scripts…

Marco Olivotto Color Seminars at Fespa Munich 2014

These videos deal with color management and correction in textile printing. However we do think that they may be very interesting for a generic audience.
These are five seminars delivered in Germany at FESPA Digital 2014 for a total of two-and-a-half hours.

ALCE test Action | Understand How Radius Works

ALCE test Action is a Photoshop action which automatically creates eight ALCE layers with different radius values, from 1 to 350. You can choose ALCE to be applied with or without Turbo (Softer) option to see the difference between the two methods.

VitaminBW: a Steady Path to Black-and-White

Black-and-white is pleasure and pain for any photographer – even those who don’t actually use it. About six months ago I stumbled into an interesting technique to convert a color image to B&W and wrote an article about it: it was Gorman-Holbert’s method. Such article spawned two more, one of which further expanded this technique.

ALCE and 360° panoramic images

Two suggestion for ALCE processing of equirectangular images to be used building 360 degree panoramas. By Davide BarrancaEquirectangular images, the ones used to build those beautiful, immersive, 360 degrees panoramas, may require some extra attention with ALCE , in...

In-a-Gamma-da-Vida

A false profile (that is, a profile with a non-standard gamma value) can be expressed as pencil-drawn curves generated by Photoshop. While this has little practical relevance, it allows us to understand what assigning a false profile actually does to an image by simply inspecting the shape of a curve.

The False Profile – Multiply Technique

The False Profile – Multiply TechniqueAdvance techniques combining False Profile with Multiply Blend Mode in Photoshop: the False Profiles technique, the Multiply technique, Multiply + False Profile combined, mask options and more

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