Wrapping my head around a 'wrap around' : Aliasing
Digital images are formed by transforming illumination energy into a voltage by the combination of input electric power and sensor material which is responsive to the energy being detected. The output waveform/voltage is a continuous signal which is changed to a digitized form, by sampling. [1] When these images are rendered on computer screens an effect that is noticed oft-times especially in video-games is aliasing . The image on the left illustrates aliasing, it is a checkered texture that becomes irregularly shaped as the distance increases and the edges become jagged where the tiles are closer. So this question arises, what causes images/videos to be aliased when they are simply just multiple pixels on a screen? The answer is not as simple as I hoped it would be as the pith of its explanation lies deep in the roots of signal processing. Each image can be thought of as a 2D matrix of values for each R,G and B component of its colour, i.e, three 2D matric