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检索条件"主题词=Image Processing Algorithms"
650 条 记 录,以下是341-350 订阅
排序:
Terahertz pulse time-domain holography with balance detection: complex-domain sparse imaging
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APPLIED OPTICS 2019年 第34期58卷 G61-G70页
作者: Kulya, Maksim Petrov, Nikolay V. Katkovnik, Vladimir Egiazarian, Karen ITMO Univ Digital & Display Holog Lab St Petersburg Russia Tampere Univ Fac Informat Technol & Commun Tampere Finland
We investigated the peculiarities of the terahertz pulse time-domain holography principle in the case of raster scanning with the balance detection system. The noise in this system represents a Skellam distribution mo... 详细信息
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Endoscopic image enhancement with noise suppression
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HEALTHCARE TECHNOLOGY LETTERS 2018年 第5期5卷 154-157页
作者: Xia, Wenyao Chen, Elvis C. S. Peters, Terry Univ Western Ontario Med Biophys 1151 Richmond St London ON Canada Robarts Res Inst 1151 Richmond St North London ON Canada
Stereoscopic endoscopes have been used increasingly in minimally invasive surgery to visualise the organ surface and manipulate various surgical tools. However, insufficient and irregular light sources become major ch... 详细信息
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Computer Aided Detection of Dental Implant Crown Defects
Computer Aided Detection of Dental Implant Crown Defects
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7th International Advances in Applied Physics and Materials Science Congress and Exhibition (APMAS)
作者: Bocekci, V. G. Demir, O. Marmara Univ Fac Technol Dept Elect & Elect Engn TR-34722 Istanbul Turkey
A dental implant is an artificial tooth root that is placed into to hold a replacement tooth or bridge. Crown is the apparent part of the dental implant. Detection of crown defects is important for health of the patie... 详细信息
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Quantitative label-free technique for morphological evaluation of human sperm-a promising tool in semen evaluation
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OSA CONTINUUM 2018年 第4期1卷 1215-1225页
作者: Poola, Praveen Kumar Jayaraman, Varshini Chaithanya, K. Rao, Durga John, Renu Indian Inst Technol Hyderabad Dept Biomed Engn Kandi 502285 Telangana India Univ Hyderabad Sch Life Sci Dept Anim Biol Hyderabad 500046 Telangana India Oasis Ctr Reprod Med Hyderabad 500034 Telangana India
We present results from non-interferometric quantitative phase imaging (QPI) for thickness estimation and morphological analysis of human spermatozoa. QPI along with algorithms for image processing enable localization... 详细信息
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Effect of illuminating wavelength on the contrast of meibography images
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OSA CONTINUUM 2018年 第3期1卷 1041-1054页
作者: Peral, Assumpta Alons, Jose Gomez-Pedrero, Jose A. Univ Complutense Madrid Fac Opt & Optometria Dept Optometry & Vis C Arcos de Jalon 118 Madrid 28037 Spain Univ Complutense Madrid Opt Dept Appl Opt Complutense Grp Fac Opt & Optometria C Arcos de Jalon 118 Madrid 28037 Spain Indizen Opt Technol C Santa Engracia 6 Madrid 28010 Spain
Evaluation of the Meibomian glands morphology is becoming a popular assessment for dry eye. This evaluation is usually done by imaging the glands on the everted lids while they are illuminated with infrared light. Now... 详细信息
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Experimental Demonstration of a Flicker-Free Scheme for Optical Camera Communication
Experimental Demonstration of a Flicker-Free Scheme for Opti...
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Asia Communications and Photonics Conference and Exhibition (ACP)
作者: Zhongwei Jiang Jing He Jin Shi Yi Liu Qi Tang Hunan University Changsha China Shenzhen Institute of Information Technology Shenzhen China
In this paper, a flicker-free scheme based on Manchester modulation is proposed and demonstration for OCC. Experimental results show that the BER performance is not affected by ISO under the visible image.
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Depth-dependent dispersion compensation for full-depth OCT image
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OPTICS EXPRESS 2017年 第9期25卷 10345-10354页
作者: Pan, Liuhua Wang, Xiangzhao Li, Zhongliang Zhang, Xiangyang Bu, Yang Nan, Nan Chen, Yan Wang, Xuan Dai, Fengzhao Chinese Acad Sci Shanghai Inst Opt & Fine Mech Lab Informat Opt & Optoelect Technol Shanghai 201800 Peoples R China Univ Chinese Acad Sci Beijing 100049 Peoples R China Jiangnan Univ Sch Sci Wuxi 214122 Peoples R China
A depth-dependent dispersion compensation algorithm for enhancing the image quality of the Fourier-domain optical coherence tomography (OCT) is presented. The dispersion related with depth in the sample is considered.... 详细信息
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Negative optical radiation force and spin torques on subwavelength prolate and oblate spheroids in fractional Bessel-Gauss pincers light-sheets
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JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS image SCIENCE AND VISION 2017年 第7期34卷 1246-1254页
作者: Mitri, F. G. Chevron Area Technol ETC 52 Santa Fe NM 87508 USA
Fractional Bessel-Gauss light-sheets [J. Opt. 19, 055602 ( 2017)], which correspond to finite optical "slices" in 2D and possess asymmetric slit openings and bending characteristics, are examined from the st... 详细信息
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Automated multimodal spectral histopathology for quantitative diagnosis of residual tumour during basal cell carcinoma surgery
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BIOMEDICAL OPTICS EXPRESS 2017年 第12期8卷 5749-5766页
作者: Boitor, Radu Kong, Kenny Shipp, Dustin Varma, Sandeep Koloydenko, Alexey Kulkarni, Kusum Elsheikh, Somaia Schut, Tom Bakker Caspers, Peter Puppels, Gerwin van der Wolf, Martin Sokolova, Elena Nijsten, T. E. C. Salence, Brogan Williams, Hywel Notingher, Ioan Univ Nottingham Sch Phys & Astron Univ Pk Nottingham NG7 2RD England Circle Nottingham Ltd NHS Treatment Ctr Lister Rd Nottingham NG7 2FT England Royal Holloway Univ London Math Dept Egham TW20 OFX Surrey England Nottingham Univ Hosp NHS Trust Dept Pathol QMC CampusDerby Rd Nottingham NG7 2117 England Erasmus Univ Med Ctr Rotterdam Dept Dermatol Rotterdam Netherlands RiverD Int Marconistr 16 NL-3029 AK Rotterdam Netherlands East Surrey Hosp Canada Ave Redhill RH1 5RH Surrey England Nottingham Univ Hosp NHS Trust Ctr Evidence Based Dermatol QMC CampusDerby Rd Nottingham NG7 2UH England
Multimodal spectral histopathology (MSH), an optical technique combining tissue auto-fluorescence (AF) imaging and Raman micro-spectroscopy (RMS), was previously proposed for detection of residual basal cell carcinoma... 详细信息
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Eddy current pulsed thermography for ballistic impact evaluation in basalt-carbon hybrid composite panels
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APPLIED OPTICS 2018年 第18期57卷 D74-D81页
作者: Zhang, Hai Sfarra, Stefano Osman, Ahmad Sarasini, Fabrizio Netzelmann, Udo Perilli, Stefano Ibarra-Castanedo, Clemente Maldague, Xavier P. V. Univ Laval Comp Vis & Syst Lab Dept Elect & Comp Engn Quebec City PQ G1V 0A6 Canada Fraunhofer Inst Nondestruct Testing IZFP Dept Inspect Components & Assemblies D-66123 Saarbrucken Germany Univ Aquila Dept Ind & Informat Engn & Econ I-67100 Laquila Italy Tomsk Polytech Univ Thermal Control Methods Lab Tomsk 634050 Russia Univ Appl Sci Saarland Htw Saar D-66117 Saarbrucken Germany Sapienza Univ Rome Dept Chem Engn Mat Environm I-00184 Rome Italy Univ Toronto Dept Mech & Ind Engn Ctr Adv Diffus Wave Technol CADIFT 5 Kings Coll Rd Toronto ON M5S 3G8 Canada
In this paper, eddy current pulsed thermography was used to evaluate ballistic impact damages in basalt-carbon hybrid fiber-reinforced polymer composite laminates for the first time, to our knowledge. In particular, d... 详细信息
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