Pixel data is not necessarily arranged into a rectangular grid. E.g., a smiley face is a...

Pixel data is not necessarily arranged into a rectangular grid. E.g., a smiley face is a round image

true or false?

Expert Solution

Answer:

True

Pixel:In digital imaging, a pixel, pel, or picture element is a physical point in a raster image, or the smallest addressable element in an all points addressable display device; so it is the smallest controllable element of a picture represented on the screen.The intensity of each pixel is variable.

When digital image technology was introduced, few feasible choices of shapes were there; square, circle, rectangle or hexagon. These shapes would fit a closely knit grid. Square was the best choice as it was simple to manufacture and they fit well. Circle would have created a lot of redundancy in-between pixels and affected the image quality. Rectangle would have created closely knit grid, but it would have needed a complex position system to access the pixels rather than the simple Cartesian system. That’s why square pixels stuck and is being used even now.Once you go into 3D imaging, you will see rectangular pixels too.

venereology answered 2 months ago

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