1. Dedicated testing setup for panoramic lenses;Poulin-Girard,2010
2. Optical testing of panoramic lenses. Optical Engineering;Poulin-Girard,2012
3. Imatest, “Ultra-Wide Field of View Testing,” Imatest, n.d. < https://www.imatest.com/solutions/ultra-wide/>
4. Modified slanted-edge method and multidirectional modulation transfer function estimation
5. ISO 12233: “Photography - Electronic still picture imaging - Resolution and spatial frequency response” (2014).