光学精密工程2011，Vol.19Issue(6)：1384-1390,7.DOI:10.3788/OPE.20111906.1384
双相机相位差异散斑成像技术
Phase-diverse speckle imaging with two cameras
摘要
Abstract
Image capaturing and image restoration implentmented by Phase-diverse Speckle(PDS)were researched in this paper. A PDS experimental platform with two cameras was designed for the extended object in our lab. Two cameras were taken to capture the short-expose images in focus and defocus simultaneously and a deformable mirror was used to construct optics system error. Then an electrical dryer was used to simulate the atmosphere turbulence. The problems from the two cameras were compared with that from single camera. Furthermore, the PD destination function was derived when the two cameras have different readout noises and how to solve the image rotation between the multi-channels was given. Finally, the capability of PDS method for image resolution improvement was validated. The PDS processes by single frame, 3 frames and 10 frames were execussed, respectively, and results show that the PDS technique can generate images with highly improved quality compared withthe traditional PD method.关键词
相位差异；散斑成像；波前探测；图像恢复；相位估计Key words
Phase-diverse Speckle(PDS)/wave-front aberration/image restoration/phase estimation分类
信息技术与安全科学引用本文复制引用
王斌,汪宗洋,王建立,赵金宇,吴元昊,张世学,董磊,文明..双相机相位差异散斑成像技术[J].光学精密工程,2011,19(6):1384-1390,7.基金项目
国家863高技术研究发展计划资助项目(No.2009AA8080603) （No.2009AA8080603）
