Virtual Labs

1. The horizontal gradient pixels are denoted by

a) G_x

b) G_y

c) G_t

d) G_s

2. Image having gradient pixels is called

a) sharp image

b) blur image

c) gradient image

d) binary image

3. Sobel is better than prewitt in image

a) sharpening

b) blurring

c) smoothing

d) contrast

4. Mask's response to zero means

a) sum to zero

b) subtraction to zero

c) division to zero

d) multiplication to zero

5. The smallest element of an image is called

a) pixel

b) dot

c) coordinate

d) digits

Edge Based Segmentation: (a) First-Order Derivative (b)Second-Order Derivative (c) Canny (d) Morphological Operation