3/28/2024 0 Comments Bitmap pixel sorter![]() ![]() With two colours you need a single bit for each pixel, with 4 colours you need 2 bits, with 8 colours you need 3 bits, and so on. The more colours, the more bits are needed to store each pixels colours. It also means you can see more fine detail – smaller things may disappear in a low resolution image.Įach image has to also come with (or have pre-agreed) a key indicating which number corresponds to which colour. The number of colours allowed is called the colour depth. The image is less pixelated – you see the squares less. Higher-resolution pictures have more detail and in particular lines are smoother. The more pixels making up the image the higher the resolution it has. ![]() Each number gives the colour of that square of the image. ![]() This way of representing an image is called a bitmap image or a raster image.Įach image is split in to a grid of squares. One way images are represented and so stored in a computer or digital camera is as a grid of numbers. ![]()
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