VHDL logic to calculate/detect real time contrast/gradients(sobel) values from a frame
Sobel: https://en.wikipedia.org/wiki/Sobel_operator
This can be utilized for example for implementning autofocus or focus peaking
**References:**
https://www.hindawi.com/journals/isrn/2013/820216/
ieeexplore.ieee.org/document/6949951/
**Goals:**
- Implement line buffer
- Implement pipelined kernel
**Prerequisites:**
HDL, FPGA
**Difficulty:** medium?
**Mentor:** Alex, Herbert