A Real Double-convex Spherical Single Lens System with Blur Restoration Feature
A real spherical single lens system is developed in this study and an algorithm to restore radially variant blurred image produced by the single lens have been designed and evaluated. The real single lens system employs only one lens element that has spherical double convex surface and made of glass material SFS. The blur restoration algorithm is realized by a polar coordinate domain deconvolution technique that uses polar image and polar Point Spread Functions (PSFs) converted from Cartesian coordinate system. This single lens system provides a new option for the future camera phone as well as stand-alone camera because current camera system employs a compound lens structure that consists of at least three lens elements. Additionally, we already succeeded in restoring blur for a computer simulated single lens system designed by optical software but it is the first time that the blur restoration algorithm is testified on a real single lens system. Experimental results proved that the algorithm is effective on both monochromatic and RGB test images of 3Megapixel (2048 x I536)taken by the real single lens camera module, though some improvement is necessary to further enhance the restored image quality.
Real single lens imaging system radially variant blur image restoration
Yupeng Zhang Ikumi Minema Toshitsugu Ueda Lev G. Zimin
Graduate School of Information, Production and Systems,Waseda University Kitakyushu, Fukuoka, Japan, Graduate School of Life Science and Systems Engineering, Kyushu institute of Technology Kitakyushu,
国际会议
海口
英文
57-61
2011-02-22（万方平台首次上网日期，不代表论文的发表时间）