0 2 Why isn't my manual Sobel Filter working ? ( 2018-02-17 08:26:54 -0600 )
2 0 Why isn't my manual Sobel Filter working ? ( 2018-02-17 08:26:53 -0600 )
0 2 Why isn't my manual Sobel Filter working ? ( 2018-02-17 08:26:53 -0600 )