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检索条件"主题词=image processing algorithms"
650 条 记 录,以下是461-470 订阅
排序:
Full-field dual-color 100-nm super-resolution imaging reveals organization and dynamics of mitochondrial and ER networks
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OPTICS EXPRESS 2013年 第22期21卷 26162-26173页
作者: Brunstein, Maia Wicker, Kai Herault, Karine Heintzmann, Rainer Oheim, Martin CNRS UMR 8154 F-75006 Paris France INSERM U603 F-75006 Paris France Univ Paris 05 PRES Sorbonne Paris Cite F-75006 Paris France Inst Photon Technol D-07745 Jena Germany Univ Jena Inst Phys Chem Abbe Ctr Photon D-07743 Jena Germany Kings Coll London NHH Randall Div Cell & Mol Biophys London SE1 1UL England
Most structured illumination microscopes use a physical or synthetic grating that is projected into the sample plane to generate a periodic illumination pattern. Albeit simple and cost-effective, this arrangement hamp... 详细信息
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Optimization of Illumination Frequency and Preclinical Validation of a Wide-field Structured Illumination Microscope Designed for Imaging in situ Tumor Margins
Optimization of Illumination Frequency and Preclinical Valid...
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Conference on Lasers and Electro-Optics (CLEO)
作者: Fu, Henry L. Mueller, Jenna L. Javid, Melodi Kirsch, David G. Ramanujam, Nimmi Brown, J. Quincy Duke Univ Dept Biomed Engn Durham NC 27708 USA Duke Univ Sch Med Dept Pharmacol & Canc Biol Durham NC 27710 USA Duke Univ Sch Med Dept Radiat Oncol Durham NC 27710 USA Tulane Univ Dept Biomed Engn New Orleans LA USA
We present a widefield structured illumination microscope for imaging surgical tumor margins in situ. The impact of frequency and turbidity on optical section thickness and SNR was characterized to determine the optim... 详细信息
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Simulation of a zoom lens with Wavefront Coding using various methods of deconvolution
Simulation of a zoom lens with Wavefront Coding using variou...
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Frontiers in Optics, FIO 2013
作者: Dufouleur, Paul Barritault, Pierre Lepine, Thierry CEA LETI MINATEC Campus DOPT 17 rue des martyrs 38054 Grenoble CEDEX 9 France Université de Lyon Université Jean Monnet 42000 Saint-Etienne France Institut d'Optique Rhône Alpes 18 rue B. Lauras 42000 Saint-Etienne France
We design a single moving element zoom lens using wavefront coding. We study the impact of different types of deconvolution in order to optimize the image, according to a visual metric. © OSA 2013.
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image processing Technology of Flaws within Infrared Transmitting Glasses
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Journal of Wuhan University of Technology(Materials Science) 2012年 第6期27卷 1180-1183页
作者: 钟忺 YUAN Jingling 陶海征 LIU Yonghua ZU Chengkui School of Computer Science and Technology Huazhong University of Science and&Technology State Key Laboratory of Silicate Materials for Architectures Wuhan University of Technology Institute of Quaru and Special Glasses China Building Materials AcademyBeijing 100024China
We investigated image processing algorithms of the original infrared glass flaw image. Using the Laplacian edge enhancement following LSD (Line Segment Detector) algorithm, we can get a good flaw image very consiste... 详细信息
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High precision two-step calibration method for the fish-eye camera
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APPLIED OPTICS 2013年 第7期52卷 C37-C42页
作者: Tu, Bo Liu, Lu Liu, Yihui Jin, Ye Tang, Junxiong Peking Univ Sch Elect Engn & Comp Sci State Key Lab Adv Opt Commun Syst & Networks Beijing 100871 Peoples R China
Fish-eye cameras are widely used on many occasions due to their ultrawide field of view (about 180 degrees). In this paper, we present a high-precision two-step calibration method to calibrate fish-eye cameras. The tw... 详细信息
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Open-access operating algorithms for commercial videokeratographer and improvement of corneal sampling
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APPLIED OPTICS 2013年 第7期52卷 C24-C29页
作者: Espinosa, Julian Mas, David Perez, Jorge Belen Roig, Ana Univ Alicante IUFACyT Alicante 03690 Spain Univ Alicante Dept Opt Farmacol & Anat Alicante 03690 Spain
We present an algorithm to process images of reflected Placido rings captured by a commercial videokeratoscope. Raw data are obtained with no Cartesian-to-polar-coordinate conversion, thus avoiding interpolation and a... 详细信息
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image formation analysis and high resolution image reconstruction for plenoptic imaging systems
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APPLIED OPTICS 2013年 第10期52卷 D22-D31页
作者: Shroff, Sapna A. Berkner, Kathrin Ricoh Innovat Inc Computat Opt Sensing & Visual Proc Res Menlo Pk CA 94025 USA
Plenoptic imaging systems are often used for applications like refocusing, multimodal imaging, and multiview imaging. However, their resolution is limited to the number of lenslets. In this paper we investigate paraxi... 详细信息
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Adaptive method of dim small object detection with heavy clutter
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APPLIED OPTICS 2013年 第10期52卷 D64-D74页
作者: Meng, Wei Jin, Tao Zhao, Xinwei Zhejiang Univ Dept Informat Sci & Elect Engn Hangzhou 310027 Zhejiang Peoples R China
This paper investigates an adaptive method of dim small target detection in infrared images with a complex background. We analyze in depth the characteristics of the background, the target, and the noise in the gray i... 详细信息
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Three-dimensional measuring technique for surface topography using a light-sectioning microscope
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APPLIED OPTICS 2012年 第8期51卷 1162-1170页
作者: Xia, Linglin Chen, Peifeng Wang, Ying Zhou, Le Luo, Xi Huazhong Univ Sci & Technol Sch Optoelect Sci & Engn Wuhan Natl Lab Optoelect Wuhan 430074 Peoples R China Nanchang Univ Sch Software Nanchang 330029 Jiangxi Peoples R China
Three-dimensional (3D) surface topographic analysis, measurement, and assessment techniques have raised great interest not only among researchers but also among industrial users. Many industrial processes and applicat... 详细信息
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Measurement of wide frequency range structural microvibrations with a pocket digital camera and sub-pixel techniques
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APPLIED OPTICS 2012年 第14期51卷 2664-2671页
作者: Mas, David Espinosa, Julian Roig, Ana B. Ferrer, Belen Perez, Jorge Illueca, Carlos Univ Alicante Inst Fis Aplicada Ciencias & Tecnol E-03080 Alicante Spain Univ Alicante Dep Ing Construcc E-03080 Alicante Spain
Analysis of vibrations and displacements is a hot topic in structural engineering. Although there is a wide variety of methods for vibration analysis, direct measurement of displacements in the mid and high frequency ... 详细信息
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