Author Archives: Geoff Shaw

DxO Photolab

Posted on August 26, 2020 by Geoff Shaw

Overview DxO photolab works well as either a standalone program or a plugin to Lightroom and Photoshop (and perhaps other packages). It is a comprehensive non-destructive Raw image editor with a large array of adjustments/filters, and a suite of presets … Continue reading →

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Topaz Labs AI Software – Sharpen, Denoise, Gigapixel, PhotoAI

Posted on August 26, 2020 by Geoff Shaw

Topaz labs have made a range of specialist image processing software over the years. Their focus has become AI (“artificial intelligence”) based tools. There are lots of detailed reviews on the web, so I will just do a quick overview … Continue reading →

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HowTo – Starburst

Posted on August 25, 2020 by Geoff Shaw

Page in progress… stuff from Tim Here is a link to a video which I thought was pretty good for the starburst effect: I tried this out and I did not have as much success as was evident in the … Continue reading →

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Colour Management

Posted on August 25, 2020 by Geoff Shaw

PAGE IN DEVELOPMENT Colour vision and the human colour perception metamerism basic concepts of colour capabilities of devices, why use a colour management workflow? gamut colour space mapping between RGB, CMYK, LAB. Color spaces sRGB vs AdobeRGB RAW –> demosaicing/interpolation. … Continue reading →

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Basic Edits – Colour

Posted on August 24, 2020 by Geoff Shaw

Colour is complex, and you can find hundreds of books on the topic and a search for “photography colour management” on a popular search engine found 121 million hits today. My notes here will be just a brief introduction. I … Continue reading →

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GIMP – GNU Image Manipulation Program

Posted on August 20, 2020 by Geoff Shaw

GIMP is a cross-platform image editor available for GNU/Linux, OS X, Windows and more operating systems. It is free software. GIMP provides sophisticated image editing tools similar to those in Photoshop. There is a vast array of 3rd party plugins that can extend the functionality of GIMP. Continue reading →

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Luminar

Posted on August 18, 2020 by Geoff Shaw

The current offering from Skylum (as at Jan 2023) is Luminar Neo. https://skylum.com/luminar It offers extensive AI based editing functionality. It has powerful editing filters, layers (so you can do things like replace skies, and make composit images, apply texture … Continue reading →

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Artistic

Posted on August 17, 2020 by Geoff Shaw

The ultimate aim of post processing is to produce photographic art, be it a relatively straight forward edit of light and shadow, or more complex manipulations including compositing. This section will cover some Artistic aspects of photography from inspiration to … Continue reading →

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Resize an Image

Posted on August 16, 2020 by Geoff Shaw

When you have finished editing your masterpiece, you may want to save a copy with a different size. For example, for WCC competitions, images can be no wider than 1920 pixels and no higher than 1080 pixels. Continue reading →

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Basic Edits – Selections

Posted on August 16, 2020 by Geoff Shaw

Selections are used to define areas to be selectively adjusted, to cut and paste parts of images, and to limit where edits are applied. Continue reading →

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