Questions and Answers
What is the definition of an image in the context of digital image processing?
A two-dimensional function
How is the intensity or gray level of an image at a specific point defined?
By the amplitude of the function f at that point
What do we call an image when x, y, and the amplitude values of f are all finite, discrete quantities?
A digital image
What are the elements referred to as in a digital image?
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What are the principal application areas that generate interest in digital image processing methods?
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What are some sources for digital images mentioned in the text?
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What is the definition of a digital image?
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What does a digital image processing cover?
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What do the numbers in a digital image indicate?
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What are the elements of a digital image often referred to as?
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What term is used to refer to the finite, discrete quantities of x, y, and the amplitude values of f in a digital image?
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In the context of digital image representation, what do the numbers in a digital image indicate?
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What are picture elements, image elements, pels, and pixels collectively referred to as in a digital image?
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What are the principal application areas generating interest in digital image processing methods as mentioned in the text?
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Which energy spectrum is mentioned as a source for digital images in the text?
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What are the finite number of elements in a digital image referred to as according to the text?
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What are the main differences between low-level, mid-level, and high-level processes in digital image processing?
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What does a digital image consist of in terms of spatial coordinates and amplitude?
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What is the primary definition of a pixel in the context of a digital image?
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What is the primary purpose of digital image processing?
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