2 Design of 2-Dimensional band Rejection filters for image processing

摘要

In one embodiment of the present invention, there is provided a variable 2D (2D) filter including a first sub-filter portion in which a first low-frequency filter and a first high-frequency filter are connected to each other, and a second sub-filter portion in which a second high- A method for detecting an edge of an input image using a band elimination filter and a variable two-dimensional (2D) band elimination filter are disclosed.