Pub Date : 1900-01-01DOI: 10.1364/isa.2022.itu3e.1
E. Ribak, Gal Gumpel
To circumvent Heisenberg’s uncertainty principle, we multiplied the number of white light photons using a dye. With larger wave-packets, the resolution is improved, as if with a larger aperture, but longer integration times are necessary.
{"title":"Beyond the Quantum Optical Diffraction Limit","authors":"E. Ribak, Gal Gumpel","doi":"10.1364/isa.2022.itu3e.1","DOIUrl":"https://doi.org/10.1364/isa.2022.itu3e.1","url":null,"abstract":"To circumvent Heisenberg’s uncertainty principle, we multiplied the number of white light photons using a dye. With larger wave-packets, the resolution is improved, as if with a larger aperture, but longer integration times are necessary.","PeriodicalId":286361,"journal":{"name":"Imaging and Applied Optics Congress 2022 (3D, AOA, COSI, ISA, pcAOP)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125570068","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Rajveer Kaur, Lavlesh Pensia, O. Singh, Bhargab Das, Raj Kumar
We study the influence of readout wavelength on the angle of incidence to achieve maximum coupled diffraction efficiency for a waveguide with holographically generated Bragg grating couplers.
我们研究了读出波长对入射角的影响，以实现具有全息产生的布拉格光栅耦合器的波导的最大耦合衍射效率。
{"title":"Study of wavelength dependency on diffraction efficiency of volume holographic gratings based couplers in waveguide displays","authors":"Rajveer Kaur, Lavlesh Pensia, O. Singh, Bhargab Das, Raj Kumar","doi":"10.1364/3d.2022.jw2a.47","DOIUrl":"https://doi.org/10.1364/3d.2022.jw2a.47","url":null,"abstract":"We study the influence of readout wavelength on the angle of incidence to achieve maximum coupled diffraction efficiency for a waveguide with holographically generated Bragg grating couplers.","PeriodicalId":286361,"journal":{"name":"Imaging and Applied Optics Congress 2022 (3D, AOA, COSI, ISA, pcAOP)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125942762","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.1364/isa.2022.ith3d.2
Myles Cullen, Muhammad Mahmood Ali
This paper presents deep-learning-based image analysis for the detection and classification of road damage, tested for sample images from Ireland. Experimental results showed suitable performance for two of the most prevalent classes of road damage.
{"title":"Deep Learning Models for Road Damages Detection","authors":"Myles Cullen, Muhammad Mahmood Ali","doi":"10.1364/isa.2022.ith3d.2","DOIUrl":"https://doi.org/10.1364/isa.2022.ith3d.2","url":null,"abstract":"This paper presents deep-learning-based image analysis for the detection and classification of road damage, tested for sample images from Ireland. Experimental results showed suitable performance for two of the most prevalent classes of road damage.","PeriodicalId":286361,"journal":{"name":"Imaging and Applied Optics Congress 2022 (3D, AOA, COSI, ISA, pcAOP)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126224323","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.1364/isa.2022.itu3e.3
L. Wesemann, Jon Rickett, Jingchao Song, Jieqiong Lou, Elizabeth Hinde, T. Davis, A. Roberts
The visualization of transparent objects in real-time using ultracompact optical systems remains an ongoing challenge. Here we present metasurfaces that convert phase variations in a wavefield to intensity to create a pseudo-3D image of a phase object.
{"title":"Phase contrast imaging with meta-optics","authors":"L. Wesemann, Jon Rickett, Jingchao Song, Jieqiong Lou, Elizabeth Hinde, T. Davis, A. Roberts","doi":"10.1364/isa.2022.itu3e.3","DOIUrl":"https://doi.org/10.1364/isa.2022.itu3e.3","url":null,"abstract":"The visualization of transparent objects in real-time using ultracompact optical systems remains an ongoing challenge. Here we present metasurfaces that convert phase variations in a wavefield to intensity to create a pseudo-3D image of a phase object.","PeriodicalId":286361,"journal":{"name":"Imaging and Applied Optics Congress 2022 (3D, AOA, COSI, ISA, pcAOP)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127382798","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.1364/cosi.2022.cw4b.7
Jianing Zhao, Z. Tang, S. Pan
By using the dispersion Fourier transformation, a novel computational spectral ghost imaging system based on time-to-frequency mapping is proposed, which can simultaneously improve the spectral detection resolution and reduce the modulation times.
{"title":"Computational Spectral Ghost Imaging based on Time-to-Frequency Mapping","authors":"Jianing Zhao, Z. Tang, S. Pan","doi":"10.1364/cosi.2022.cw4b.7","DOIUrl":"https://doi.org/10.1364/cosi.2022.cw4b.7","url":null,"abstract":"By using the dispersion Fourier transformation, a novel computational spectral ghost imaging system based on time-to-frequency mapping is proposed, which can simultaneously improve the spectral detection resolution and reduce the modulation times.","PeriodicalId":286361,"journal":{"name":"Imaging and Applied Optics Congress 2022 (3D, AOA, COSI, ISA, pcAOP)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122762560","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.1364/3d.2022.jth2a.17
A. Alkelly, I. G. Loqman, Hassan T. Al-Ahsab
Double focal spots have been generated in the focal region of annular axicon by focusing azimuthally polarized double-ring-shaped (APDRS) beam. Our results indicate that the properties of twin spots are affected by axicon and beam parameters.
{"title":"Generation of Double Focal Spots by Focusing Azimuthally Polarized Double Ring Shaped Beam with Annular Classical Axicon","authors":"A. Alkelly, I. G. Loqman, Hassan T. Al-Ahsab","doi":"10.1364/3d.2022.jth2a.17","DOIUrl":"https://doi.org/10.1364/3d.2022.jth2a.17","url":null,"abstract":"Double focal spots have been generated in the focal region of annular axicon by focusing azimuthally polarized double-ring-shaped (APDRS) beam. Our results indicate that the properties of twin spots are affected by axicon and beam parameters.","PeriodicalId":286361,"journal":{"name":"Imaging and Applied Optics Congress 2022 (3D, AOA, COSI, ISA, pcAOP)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124791881","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
We overview methods for defending deep learning algorithms from adversarial attacks by compressive 3D sensing. With optical compressive sensing, these methods exhibit outstanding robustness to adaptive attacks.
{"title":"Compressive Sensing Methods for Defending Deep Learning 3D Classifiers","authors":"V. Kravets, B. Javidi, A. Stern","doi":"10.1364/3d.2022.3f3a.2","DOIUrl":"https://doi.org/10.1364/3d.2022.3f3a.2","url":null,"abstract":"We overview methods for defending deep learning algorithms from adversarial attacks by compressive 3D sensing. With optical compressive sensing, these methods exhibit outstanding robustness to adaptive attacks.","PeriodicalId":286361,"journal":{"name":"Imaging and Applied Optics Congress 2022 (3D, AOA, COSI, ISA, pcAOP)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122188693","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
We utilized deep learning techniques to improve the three-dimensional image resolution of photoacoustic tomography. The improved spatial resolution allows for better visualization of blood vasculature in human breast for cancer screening.
{"title":"Deep-learning-enhanced three-dimensional photoacoustic imaging using a linear transducer array","authors":"Huijuan Zhang, Jun Xia","doi":"10.1364/3d.2022.jw5a.1","DOIUrl":"https://doi.org/10.1364/3d.2022.jw5a.1","url":null,"abstract":"We utilized deep learning techniques to improve the three-dimensional image resolution of photoacoustic tomography. The improved spatial resolution allows for better visualization of blood vasculature in human breast for cancer screening.","PeriodicalId":286361,"journal":{"name":"Imaging and Applied Optics Congress 2022 (3D, AOA, COSI, ISA, pcAOP)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123306644","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.1364/aoa.2022.oth3b.1
Yang Liu, Bingxi Liu, J. E. Green, Carly Duffy, J. Lauderdale, P. Kner
We present a light sheet microscope incorporating an electrically tunable lens and adaptive optics for volumetric imaging of zebrafish larvae, optimized for an extended field of view with a high-NA objective lens.
{"title":"LSFM volumetric imaging with a tunable lens and adaptive optics","authors":"Yang Liu, Bingxi Liu, J. E. Green, Carly Duffy, J. Lauderdale, P. Kner","doi":"10.1364/aoa.2022.oth3b.1","DOIUrl":"https://doi.org/10.1364/aoa.2022.oth3b.1","url":null,"abstract":"We present a light sheet microscope incorporating an electrically tunable lens and adaptive optics for volumetric imaging of zebrafish larvae, optimized for an extended field of view with a high-NA objective lens.","PeriodicalId":286361,"journal":{"name":"Imaging and Applied Optics Congress 2022 (3D, AOA, COSI, ISA, pcAOP)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131549482","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.1364/cosi.2022.cth5c.3
Chang Liu, Jun Qiu
We modeled the generation of multidirectional Epipolar Plane Images (EPIs) as a linear dynamical system. Then we proposed a framework of disparity reconstruction from the multidirectional EPIs with Kalman filter to achieve anti-occlusion and anti-noise.
{"title":"Disparity Reconstruction from Light Field’s Multidirectional EPIs with Kalman filter","authors":"Chang Liu, Jun Qiu","doi":"10.1364/cosi.2022.cth5c.3","DOIUrl":"https://doi.org/10.1364/cosi.2022.cth5c.3","url":null,"abstract":"We modeled the generation of multidirectional Epipolar Plane Images (EPIs) as a linear dynamical system. Then we proposed a framework of disparity reconstruction from the multidirectional EPIs with Kalman filter to achieve anti-occlusion and anti-noise.","PeriodicalId":286361,"journal":{"name":"Imaging and Applied Optics Congress 2022 (3D, AOA, COSI, ISA, pcAOP)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125296461","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：