1. Resampling is an imaging method to increase (or decrease) the number of pixels in a digital image.

   True

   False

QUESTION 2

1. Some greyscale images may not produce any interesting results when thresholded by any value T in [0, 255].

   True

   False

QUESTION 3

1. Otsu's method is used to perform automatic image thresholding, which can be used to create binary images. The threshold is determined by minimizing

   __________________________.

   		intra-class intensity mean
   		inter-class intensity mean
   		inter-class intensity variance
   		intra-class intensity variance