1. Standard for camera phone image quality;CPIQ,2015
2. ISO/TC42/WG18, “Resolution and spatial frequency response,” International Organization for Standardization (ISO), (2000).
3. ISO/TC42/WG18, “Resolution and spatial frequency response,” International Organization for Standardization (ISO), (2014).
4. Refined slanted-edge measurement for practical camera and scanner testing;Burns,2002
5. Low-frequency mtf estimation for digital imaging devices using slanted edge analysis;Williams,2004