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The term 'aliasing' is a general term applied to signal processing. It refers to an effect that causes different signals to become indistinguishable (or aliases of one another) when sampled. In imaging, it's often observed as 'jaggies', which appear as steps along what should be a continuous line or edge. These are caused by pixel structure. Aliasing can also produce moire, when fine lines appear to ripple due to the interference.
In 2012, in Australia and all over the world, the bottom fell out of the compact camera business, with sales dropping in volume terms by up to 50 percent.
Photographers typically recognise three types of image noise: fixed pattern noise, random noise and banding noise.
A tutorial on how to shoot dramatic "Fire Dice" images.
‘Your photography is a record of your living for anyone who really sees.' Paul Strand.
Gavin Phillips shows how to use HDR imaging to create superb images with fine detail, perfect lighting and accurate colours.
Award-winning Australian photographer Ken Duncan shares some fundamental landscape shooting tips, giving some insight into his stunning panoramic images.
The lens in a camera is like an eye that lets light into the camera body and focuses it on the sensor, where the image is recorded. The larger the optical components (known as â€˜elements') in the lens, the more light gets in. The quality of the elements influences the camera's picture quality...