Straightening, cropping, and removing red-eye are all fairly easy fixes to make to a photograph. Getting good tones, on the other hand, can be a more challenging problem. iPhoto’s Enhance button tries ...

How histograms can help you control key factors that affect exposure levels. Correct exposures are the first step towards usable image files and the histogram displays provided in most digital cameras ...

Using the Levels tool in your image editor to adjust image tones and contrast. The Levels setting in an image editor is a powerful tool for adjusting image tones and it can also be used to make subtle ...

RedShark Replay: One from the archives. Gone are the days when a light meter and a trained eye was enough; to do better, we need technological measures and test & measurement equipment. Traditionally, ...

Obscura 2.0 was one of our favorite iOS app updates of 2018, which garnered it a MacStories Selects Best App Update Runner-Up award. Since it was released eight months ago, developer Ben McCarthy has ...

This summer we're re-running some of our most popular articles - just in case you didn't see them first time. Here's Phil Rhode's look at how to understand Waveform and Vector displays If the recent ...

Figure 1 shows two renderings of a three-dimensional model of Michelangelo’s sculpture of St Matthew 12. The version on the left appears darker and glossier than the one on the right. This is true ...

A research group from China has developed a novel dirt-detection system for PV plants that uses a series of image-processing techniques, as well as unmanned aerial vehicles (UAVs) with cameras flying ...

Viewing graphics on Windows 10 is super easy due to the abundance of options available to the user. However, today are going to talk about a free-to-use program known as IrfanView Graphic Viewer, and ...