Quantization is to digitize the coordinate values.
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Which one belongs to input devices?
A. digital camera
B. printer
C. recorder
D. LCD
E. scanner
Bilinear interpolation is first-order interpolation.
High frequency of the spectrum of 2-dimensional discrete Fourier transform reflects the edge or noise of the image.
If a digital image covers a broad range of the gray scale, then it has low contrast.