Simulation study of phase retrieval for hard X-ray in-line phase contrast imaging

• 作 者: YU Bin PENG Xiang TIAN Jindong
• 机 构: KeyLaboratoryofOptoelectronicDevicesandSystemsofMinistryofEducation,StateKeyLaboratoryofPrecisionMea
• 出 处: 中国科学：物理学、力学、天文学英文版
• 发表日期: 2005年4期
• 关键词: X-RAY optics PHASE CONTRAST imaging PHASE retrieval ANGULAR spectrum hard X-
• 基金项目: 中国科学院资助项目，广东省博士启动基金，Shenzhen Bureau of Science, Technology & Information

Two algorithms for the phase retrieval of hard X-ray in-line phase contrast imaging are presented. One is referred to as Iterative Angular Spectrum Algorithm (IASA) and the other is a hybrid algorithm that combines IASA with TIE (transport of intensity eq