High Pass Filter take the high frequency and ignore the low frequency

High Pass Filter can be use to sharpening an image, or make a edge detection.

Characteristic of High Pass Filter is, the elements of the kernel matrix are negative, zero , and positive. Sum of all the elements are 0 (zero).

Original Image

Screenshot 2021-12-27 131308

Convert to Gray Scale Image

Screenshot 2021-12-27 131246

Apply High Pass Filter to Image

Screenshot 2021-12-27 131319


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