AUTO-FOCUSING

作品数：7被引量：5H指数：2
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相关领域：电子电信更多>>
相关作者：陈昊赵莹刘金国邱晓晖更多>>
相关机构：东南大学中国矿业大学中国科学院长春光学精密机械与物理研究所南京邮电大学更多>>
相关期刊：《Semiconductor Photonics and Technology》《Journal of Southeast University(English Edition)》《Journal of Computer and Communications》《Science China(Information Sciences)》更多>>
相关基金：国家自然科学基金中国博士后科学基金更多>>
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A fast auto-focusing method of microscopic imaging based on an improved MCS algorithm被引量：2
《Journal of Innovative Optical Health Sciences》2015年第5期67-76,共10页Guangkai Fu Yiping Cao Mingteng Lu 
This work is supported by 863 National Plan Foundation of China under grant No.2007 AA01Z333.
An improved"three steps"mountain-climb searching(MCS)algorithm is proposed which is applied to auto-focusing for microscopic imaging accurately and efficiently.By analyzing the performance of several evaluation functi...
关键词：AUTO-FOCUSING evaluation function mountain-climb searching algorithm image processing 
Efficiency Analysis of the Autofocusing Algorithm Based on Orthogonal Transforms
《Journal of Computer and Communications》2013年第6期41-45,共5页Przemyslaw Sliwinski Krzysztof Berezowski Piotr Patronik Pawel Wachel 
supported by the NCN grant UMO-2011/01/B/ST7/00666.
Efficiency of the autofocusing algorithm implementations based on various orthogonal transforms is examined. The algorithm uses the variance of an image acquired by a sensor as a focus function. To compute the estimat...
关键词：AUTO-FOCUSING Image Variance Discrete Orthogonal Transforms Word-Length Selection Architectural Performance Evaluation 
An auto-focus algorithm for imaging of objects under a lossy earth from multi-frequency and multi-monostatic data
《Science China(Information Sciences)》2010年第9期1880-1890,共11页LIU YanLi LI LianLin LI Fang 
supported by the National High-Tech Research & Development Program of China(Grant No.2008AA12Z104);the National Natural Science Foundation of China(Grant Nos.60701010,40774093)
The problem of auto-focusing imaging of 2D dielectric objects imbedded in a lossy earth is considered. Under Born approximation, the half-space spectrum Green＇s function is employed to formulate the half-space imagin...
关键词：MULTI-FREQUENCY multi-monostatic minimum entropy AUTO-FOCUSING lossy earth time reversal imaging （TRI） 
Entropy function optimization for radar imaging
《Journal of Southeast University(English Edition)》2009年第4期427-430,共4页邱晓晖 陈昊 
The Natural Science Foundation of Jiangsu Province(NoBK2008429);Open Research Foundation of State Key Laboratory ofMillimeter Waves of Southeast University(NoK200903);China Postdoctoral Science Foundation(No20080431126);Jiangsu Province Postdoctoral Science Foundation(No2007337)
The convergence performance of the minimum entropy auto-focusing（MEA） algorithm for inverse synthetic aperture radar（ISAR） imaging is analyzed by simulation. The results show that a local optimal solution problem ...
关键词：radar signal processing inverse synthetic aperture radar（ISAR） imaging AUTO-FOCUSING 
Real-time auto-focusing technique using centroid method for space camera
《Journal of Harbin Institute of Technology(New Series)》2007年第4期577-579,共3页匡海鹏 李朝辉 刘明 刘刚 修吉宏 翟林培 
A real-time auto-focusing system with auto-collimation method is introduced, which is used in auto-detecting the focus of the space camera with long focus. Auto-focusing is the key technique to ensure high quality in ...
关键词：AUTO-FOCUSING linear array CCD centroid method 
Phase-shifting digital holography in image reconstruction被引量：3
《Journal of Shanghai University(English Edition)》2006年第1期59-64,共6页于瀛洁 周文静 Yannis Orphanos Vivi Tornari 
A phase-shifting digital holography scheme developed to investigate internal defects in artworks is described. Phase-shifting is utilized to obtain a clear reconstructed object wave from a rough surface texture. A rev...
关键词：holographic interferometry digital holography phase-shifting technique reverse-transform algorithm auto-focusing function spatial resolution. 
3D Surface Morphology Measurement and Auto-focusing System
《Semiconductor Photonics and Technology》2005年第3期208-211,共4页CHEN Qi ZANG Huai-pei 
When interference microscope measures the surface rough of the micromechanical device, as soon as the work distance of interference microscope and the depth of field is shortened, the interference images become slur f...
关键词：3D surface morphology Interference microscope AUTO-FOCUSING 
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