Definition: A set of rules that define the repeated application of logical or mathematical operations on an object (e.g. a set of numbers) to produce a solution or new object e.g. the long division rules for dividing a large number by another is an algorithm; the rule for converting degrees Celsius to degrees Fahrenheit. * Used widely in image processing operations such as filters, blurs and masking: each visual effect is obtained by applying appropriate algorithms to each pixel value.

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