Title :
Terahertz single frequency adaptive holography with large depth of focus
Author :
Chao Li;ZhaoYang Sun;GuangYou Fang
Author_Institution :
The Key Laboratory of Electromagnetic Radiation and Sensing Technology, Institute of Electronics, Chinese Academy of Sciences, BeiJing, 100190, China
Abstract :
An adaptive focusing (AF) algorithm based on minimum-entropy (ME) method is proposed for THz single frequency holography to improve the depth of focus for practical image applications. Experiments in 0.2THz band were performed to confirm the effectiveness of the proposed algorithm.
Keywords :
"Holography","Entropy","Image reconstruction","Image restoration","Focusing","Surface reconstruction","Image resolution"
Conference_Titel :
Infrared, Millimeter, and Terahertz waves (IRMMW-THz), 2015 40th International Conference on
Electronic_ISBN :
2162-2035
DOI :
10.1109/IRMMW-THz.2015.7327575