Pub Date : 2019-06-24DOI: 10.1364/COSI.2019.JW2A.21
V. Kravets, A. Stern
We introduce an efficient adaptive compressive sensing technique that utilizes the zero-trees concept. The method uses multiscale ordered Hadamard sampling and its relation to the Haar wavelet, therefore is particularly useful for single pixel imaging.
{"title":"Adaptive Compressive Sensing with Multiscale Hadamard Patterns","authors":"V. Kravets, A. Stern","doi":"10.1364/COSI.2019.JW2A.21","DOIUrl":"https://doi.org/10.1364/COSI.2019.JW2A.21","url":null,"abstract":"We introduce an efficient adaptive compressive sensing technique that utilizes the zero-trees concept. The method uses multiscale ordered Hadamard sampling and its relation to the Haar wavelet, therefore is particularly useful for single pixel imaging.","PeriodicalId":123636,"journal":{"name":"Imaging and Applied Optics 2019 (COSI, IS, MATH, pcAOP)","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124673571","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 : 2019-06-24DOI: 10.1364/COSI.2019.CTH4A.5
M. Rai, A. Vijayakumar, Joseph Rosen
A superresolution technique for imaging beyond the diffraction limit is demonstrated using a phase-only spatial light modulator (SLM) inserted between the object and the entrance of an ordinary imaging system.
{"title":"Resolution Enhancement of imaging systems using a phase-only SLM","authors":"M. Rai, A. Vijayakumar, Joseph Rosen","doi":"10.1364/COSI.2019.CTH4A.5","DOIUrl":"https://doi.org/10.1364/COSI.2019.CTH4A.5","url":null,"abstract":"A superresolution technique for imaging beyond the diffraction limit is demonstrated using a phase-only spatial light modulator (SLM) inserted between the object and the entrance of an ordinary imaging system.","PeriodicalId":123636,"journal":{"name":"Imaging and Applied Optics 2019 (COSI, IS, MATH, pcAOP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129712385","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 present a synthetic aperture imaging system with two physical sub-apertures with an area less than 0.5% of the full synthetic aperture but with a resolution same as that obtained from the complete synthetic aperture.
{"title":"Superresolution Far-Field Imaging by Coded Phase Reflectors","authors":"Angika Bulbul, A. Vijayakumar, Joseph Rosen","doi":"10.1364/ISA.2019.IM3B.5","DOIUrl":"https://doi.org/10.1364/ISA.2019.IM3B.5","url":null,"abstract":"We present a synthetic aperture imaging system with two physical sub-apertures with an area less than 0.5% of the full synthetic aperture but with a resolution same as that obtained from the complete synthetic aperture.","PeriodicalId":123636,"journal":{"name":"Imaging and Applied Optics 2019 (COSI, IS, MATH, pcAOP)","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128480816","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 : 2019-06-24DOI: 10.1364/COSI.2019.CTH1A.3
M. Faulkner, L. Florescu
Numerical experiments were performed to analyse the effect of data loss at the edges of the sample on the accuracy of optical-CT reconstruction, in the context of applications to radiation dosimetry.
数值实验分析了样品边缘数据丢失对光学ct重建精度的影响，并应用于辐射剂量学。
{"title":"Optical-CT with Incomplete Data for Applications to Radiation Dosimetry","authors":"M. Faulkner, L. Florescu","doi":"10.1364/COSI.2019.CTH1A.3","DOIUrl":"https://doi.org/10.1364/COSI.2019.CTH1A.3","url":null,"abstract":"Numerical experiments were performed to analyse the effect of data loss at the edges of the sample on the accuracy of optical-CT reconstruction, in the context of applications to radiation dosimetry.","PeriodicalId":123636,"journal":{"name":"Imaging and Applied Optics 2019 (COSI, IS, MATH, pcAOP)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128532226","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 : 2019-06-24DOI: 10.1364/COSI.2019.CTU3A.4
Zhenbo Ren, Tianjiao Zeng, E. Lam
We propose an end-to-end deep learning method for holographic reconstruction. Through this data-driven approach, it is possible to reconstruct a noise-free image that does not require any prior knowledge.
{"title":"Digital holographic imaging via deep learning","authors":"Zhenbo Ren, Tianjiao Zeng, E. Lam","doi":"10.1364/COSI.2019.CTU3A.4","DOIUrl":"https://doi.org/10.1364/COSI.2019.CTU3A.4","url":null,"abstract":"We propose an end-to-end deep learning method for holographic reconstruction. Through this data-driven approach, it is possible to reconstruct a noise-free image that does not require any prior knowledge.","PeriodicalId":123636,"journal":{"name":"Imaging and Applied Optics 2019 (COSI, IS, MATH, pcAOP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128287370","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 : 2019-06-24DOI: 10.1364/COSI.2019.CTU2A.6
M. Márquez, Hoover F. Rueda, E. Vera, H. Arguello
This work proposes a novel compressive spectral light field imaging architecture along with a tensor-based reconstruction algorithm to estimate the four-dimensional image source from a set of compressed measurements.
{"title":"Snapshot Compressive Spectral Light Field Tensor Imaging","authors":"M. Márquez, Hoover F. Rueda, E. Vera, H. Arguello","doi":"10.1364/COSI.2019.CTU2A.6","DOIUrl":"https://doi.org/10.1364/COSI.2019.CTU2A.6","url":null,"abstract":"This work proposes a novel compressive spectral light field imaging architecture along with a tensor-based reconstruction algorithm to estimate the four-dimensional image source from a set of compressed measurements.","PeriodicalId":123636,"journal":{"name":"Imaging and Applied Optics 2019 (COSI, IS, MATH, pcAOP)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130144816","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 : 2019-06-24DOI: 10.1364/COSI.2019.JTH3D.1
O. Tzang, S. Labouesse, Sakshi Singh, E. Niv, G. Myatt, R. Piestun
We achieve full focusing through complex media in 2.4ms using a 1D phase modulator. We study the behavior of enhancement and focus shape, especially with regard to memory effect for a 1d modulation.
{"title":"1D to 2D modulation for ultra fast focusing through complex media","authors":"O. Tzang, S. Labouesse, Sakshi Singh, E. Niv, G. Myatt, R. Piestun","doi":"10.1364/COSI.2019.JTH3D.1","DOIUrl":"https://doi.org/10.1364/COSI.2019.JTH3D.1","url":null,"abstract":"We achieve full focusing through complex media in 2.4ms using a 1D phase modulator. We study the behavior of enhancement and focus shape, especially with regard to memory effect for a 1d modulation.","PeriodicalId":123636,"journal":{"name":"Imaging and Applied Optics 2019 (COSI, IS, MATH, pcAOP)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130292546","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 : 2019-06-24DOI: 10.1364/COSI.2019.JW4B.2
J. Fade, Estéban Perrotin, J. Bobin
We extend the single-pixel camera concept to enable polarization contrast compressive imaging without polarizer, from simultaneous detection of light reflected by a Digital Micromirror Device on two photodetectors, and using optimized bivariate signal reconstruction algorithms.
{"title":"Polarizer-free polarization contrast compressive imaging","authors":"J. Fade, Estéban Perrotin, J. Bobin","doi":"10.1364/COSI.2019.JW4B.2","DOIUrl":"https://doi.org/10.1364/COSI.2019.JW4B.2","url":null,"abstract":"We extend the single-pixel camera concept to enable polarization contrast compressive imaging without polarizer, from simultaneous detection of light reflected by a Digital Micromirror Device on two photodetectors, and using optimized bivariate signal reconstruction algorithms.","PeriodicalId":123636,"journal":{"name":"Imaging and Applied Optics 2019 (COSI, IS, MATH, pcAOP)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126720479","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 : 2019-06-24DOI: 10.1364/COSI.2019.CW4A.2
Peter Quicke, Carmel L. Howe, P. Song, H. V. Jadan, P. Dragotti, T. Knöpfel, Amanda J. Foust, S. Schultz, M. Neil
3D deconvolution of lightfield images enables high resolution reconstruction of sample volumes. Previous point spread function calculations assume low to moderate NA objectives. Here we present a simple vectorial calculation valid for high NA objectives.
{"title":"Calculation of high numerical aperture lightfield microscope point spread functions","authors":"Peter Quicke, Carmel L. Howe, P. Song, H. V. Jadan, P. Dragotti, T. Knöpfel, Amanda J. Foust, S. Schultz, M. Neil","doi":"10.1364/COSI.2019.CW4A.2","DOIUrl":"https://doi.org/10.1364/COSI.2019.CW4A.2","url":null,"abstract":"3D deconvolution of lightfield images enables high resolution reconstruction of sample volumes. Previous point spread function calculations assume low to moderate NA objectives. Here we present a simple vectorial calculation valid for high NA objectives.","PeriodicalId":123636,"journal":{"name":"Imaging and Applied Optics 2019 (COSI, IS, MATH, pcAOP)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126787112","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 : 2019-06-24DOI: 10.1364/COSI.2019.CTU3A.3
Yunzhe Li, Yujia Xue, L. Tian
We propose a deep learning technique to exploit “deep speckle correlations”. Our work paves the way to a highly scalable deep learning approach for imaging through scattering media.
{"title":"Deep learning approach to scalable imaging through scattering media","authors":"Yunzhe Li, Yujia Xue, L. Tian","doi":"10.1364/COSI.2019.CTU3A.3","DOIUrl":"https://doi.org/10.1364/COSI.2019.CTU3A.3","url":null,"abstract":"We propose a deep learning technique to exploit “deep speckle correlations”. Our work paves the way to a highly scalable deep learning approach for imaging through scattering media.","PeriodicalId":123636,"journal":{"name":"Imaging and Applied Optics 2019 (COSI, IS, MATH, pcAOP)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126869425","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：