4. Given intensity values of a region in an image are as follows: 24 55 139 151 160 120 134 23 187 147 121 101 21 49 143 148 124 113 19 21 90 79 18 67 20 43 20 29 10 13 18 27 27 27 17 12 9 B29 17 17 17 20 17 14 15 15 14 10 13. " 142 138 156 176 202 129 105 90 199 99 41 184 25 22 92 13 75 23 195 150 38 33 67 19 18 46 20 8 If a 3x3 median filter is used on the image, calculate the filtered intensity value of the pixel at location (2,4) (the red circled one).