(Choose 1 answer)
What is image filter? Choose the best answer
A. Filtering is a technique for modifying or enhancing an image.
B. Filters are just systems that form a new, and preferably enhanced, image from a combination of the original image's pixel values.
C. Filtering is a neighborhood operation, in which the value of any given pixel in the output image is determined by applying some algorithm to the values of the pixels in the neighborhood of the corresponding input pixel.
D. All of the others
