Which of the following expression is used to denote spatial domain process?(a) g(x,y)=T[f(x,y)](b) f(x+y)=T[g(x+y)](c) g(xy)=T[f(xy)](d) g(x-y)=T[f(x-y)]The question was posed to me in an interview.The query is from Basic Intensity Transformation Functions topic in portion Intensity Transformations and Spatial Filtering of Digital Image Processing

Which of the following expression is used to denote spatial domain pro

1.	Which of the following expression is used to denote spatial domain process?(a) g(x,y)=T[f(x,y)](b) f(x+y)=T[g(x+y)](c) g(xy)=T[f(xy)](d) g(x-y)=T[f(x-y)]The question was posed to me in an interview.The query is from Basic Intensity Transformation Functions topic in portion Intensity Transformations and Spatial Filtering of Digital Image Processing
Answer» Right CHOICE is (a) g(X,y)=T[f(x,y)] For explanation I would say: Spatial domain processes will be denoted by the EXPRESSION g(x,y)=T[f(x,y)], where f(x,y) is the INPUT image, g(x,y) is the processed image, and T is an operator on f, defined over some neighborhood of (x, y). In addition, T can operate on a SET of input images, such as performing the pixel-by-pixel sum of K images for noise reduction.

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