7 (8 points) Consider the 5 5 image on the left and the 3 3 template on the right below | 3 | 14 | 15 | | | | | | | 9 | 26 5 3 | 38 | 3 | | | | | 5 8 1 9 | 7 | 9 | | | | | 84 | | 3 | 2 | 3 | ____ | ____ | ____ | ____ | ____ | | 2 | 79 |____ | ____ | ____ |50|2| | ____ | _____ | ___| | | | | | | | 6 | 26 4 3 a) Find the squared gradient magnitude at the center point in the 5 5 image using the Sobel mask. b) Find the output of the cross-correlation at the center point in the 5 5 image using the 3 3 template above