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检索条件"主题词=image processing algorithms"
725 条 记 录,以下是541-550 订阅
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Visual prosthesis: Recent development and future challenges
Visual prosthesis: Recent development and future challenges
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Bio-Optics: Design and Application, BODA 2011
作者: Ren, Qiushi Department of Biomedical Engineering Peking University China
Electrical stimulating the different parts of visual pathway for visual recovery had been proposed by many groups. The latest progress and future challenges was presented. © 2011 OSA.
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An automatic image processing algorithm for initiating and terminating intracoronary OFDI pullback
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BIOMEDICAL OPTICS EXPRESS 2010年 第2期1卷 566-573页
作者: Hariri, Lida P. Bouma, Brett E. Waxman, Sergio Shishkov, Milen Vakoc, Benjamin J. Suter, Melissa J. Freilich, Mark I. Oh, Wang-Yul Rosenberg, Mireille Tearney, Guillermo J. Massachusetts Gen Hosp Wellman Ctr Photomed Boston MA 02114 USA Massachusetts Gen Hosp Dept Pathol Boston MA 02114 USA Massachusetts Gen Hosp Dept Dermatol Boston MA 02114 USA Lahey Clin Fdn Dept Cardiol Burlington MA 01803 USA MIT Harvard Div Hlth Sci & Technol Cambridge MA USA
Intracoronary optical frequency domain imaging (OFDI) provides high resolution, three-dimensional views of coronary artery microstructure, but requires a non-occlusive saline/contrast purge to displace blood for clear... 详细信息
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image processing guided analysis for estimation of bacteria colonies number by means of optical transforms
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OPTICS EXPRESS 2010年 第12期18卷 12992-13005页
作者: Buzalewicz, Igor Wysocka-Krol, Katarzyna Podbielska, Halina Wroclaw Univ Technol Inst Biomed Engn & Instrumentat Bioopt Grp PL-50370 Wroclaw Poland
A novel method for evaluation of bacterial colonies number (Colony Forming Units - CFU), is described. Proposed algorithm, based on the Mellin transform, allows the CFU evaluation, invariant for the spatial orientatio... 详细信息
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Correction method for stripe nonuniformity
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APPLIED OPTICS 2010年 第10期49卷 1764-1773页
作者: Qian, Weixian Chen, Qian Gu, Guohua Guan, Zhiqiang Nanjing Univ Sci & Technol Lab 440 Nanjing Peoples R China
Stripe nonuniformity is very typical in line infrared focal plane arrays (IR-FPA) and uncooled staring IR-FPA. In this paper, the mechanism of the stripe nonuniformity is analyzed, and the gray-scale co-occurrence mat... 详细信息
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Durham adaptive optics real-time controller
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APPLIED OPTICS 2010年 第32期49卷 6354-6363页
作者: Basden, Alastair Geng, Deli Myers, Richard Younger, Eddy Univ Durham Dept Phys Durham DH1 3LE England
The Durham adaptive optics (AO) real-time controller was initially a proof of concept design for a generic AO control system. It has since been developed into a modern and powerful central-processing-unit-based real-t... 详细信息
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Compressive SD-OCT: the application of compressed sensing in spectral domain optical coherence tomography
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OPTICS EXPRESS 2010年 第21期18卷 22010-22019页
作者: Liu, Xuan Kang, Jin U. Johns Hopkins Univ Dept Elect & Comp Engn Baltimore MD 21218 USA
We applied compressed sensing (CS) to spectral domain optical coherence tomography (SD OCT) and studied its effectiveness. We tested the CS reconstruction by randomly undersampling the k-space SD OCT signal. We achiev... 详细信息
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Using a visual-attention model when solving problems of autonomous navigation of mobile robots
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JOURNAL OF OPTICAL TECHNOLOGY 2010年 第11期77卷 684-689页
作者: Pimenov, V. Yu. St Petersburg State Univ St Petersburg Russia
This paper proposes a model of a visual-attention system and a technique for using it when solving problems of the autonomous navigation of mobile robotic complexes. An analysis is given of known algorithms for locali... 详细信息
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Multi-transmitter aperture synthesis
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OPTICS EXPRESS 2010年 第24期18卷 24937-24945页
作者: Rabb, David J. Jameson, Douglas F. Stafford, Jason W. Stokes, Andrew J. USAF Res Lab Sensors Directorate Wright Patterson AFB OH 45433 USA
Multi-transmitter aperture synthesis is a method in which multiple transmitters can be used to improve resolution and contrast of distributed aperture systems. Such a system utilizes multiple transmitter locations to ... 详细信息
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On the single point resolution of on-axis digital holography
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JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS image SCIENCE AND VISION 2010年 第8期27卷 1856-1862页
作者: Fournier, Corinne Denis, Loic Fournel, Thierry Univ St Etienne CNRS Lab Hubert Curien UMR 5516 St Etienne France Univ Lyon Ctr Rech Astrophys Lyon CNRS ENS Lyon UCBL UMR 5574 Lyon France TELECOM St Etienne F-42023 St Etienne France
On-axis digital holography (DH) is becoming widely used for its time-resolved three-dimensional (3D) imaging capabilities. A 3D volume can be reconstructed from a single hologram. DH is applied as a metrological tool ... 详细信息
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Multi-Megahertz OCT: High quality 3D imaging at 20 million A-scans and 4.5 GVoxels per second
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OPTICS EXPRESS 2010年 第14期18卷 14685-14704页
作者: Wieser, Wolfgang Biedermann, Benjamin R. Klein, Thomas Eigenwillig, Christoph M. Huber, Robert Univ Munich Fak Phys Lehrstuhl BioMol Opt D-80538 Munich Germany
We present ultra high speed optical coherence tomography (OCT) with multi-megahertz line rates and investigate the achievable image quality. The presented system is a swept source OCT setup using a Fourier domain mode... 详细信息
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