Question

The resulting image of sampling and quantization is considered a matrix of real numbers. By what name(s) the element of this matrix array is called __________

(a) Image element or Picture element

(b) Pixel or Pel

(c) All of the mentioned

(d) None of the mentioned

I have been asked this question during a job interview.

The above asked question is from Representing Digital Images in section Digital Image Fundamentals of Digital Image Processing

Answer 1

The correct choice is (c) All of the mentioned

For explanation: Sampling and Quantization of an image f(x, y) forms a matrix of real numbers and each element of this matrix array is commonly known as Image element or Picture element or Pixel or Pel.