Frequency-domain diagonal extension imaging

查看全文 作　　者：Shan [1,2,3]Jiang;Meiling [1]Guan;Jiamin [4]Wu;Guocheng [5]Fang;Xinzhu [1]Xu;Dayong [2,5]Jin;Zhen [5]Liu;Kebin [6]Shi;Fan [7]Bai;Shu [8]Wang;Peng [1,2]Xi

机构地区：[1]Peking University,College of Engineering,Department of Biomedical Engineering,Beijing,China;[2]Southern University of Science and Technology China,Department of Biomedical Engineering,Shenzhen,Guangdong,China;[3]Beijing Institute of Collaborative Innovation(BICI),Beijing,China;[4]Tsinghua University,Department of Automation,Beijing,China;[5]University of Technology Sydney,Faculty of Science,Institute for Biomedical Materials&Devices(IBMD),Ultimo,Australia;[6]Peking University,School of Physics,Beijing,China;[7]Peking University,School of Life Sciences,Biodynamic Optical Imaging Center(BIOPIC),Beijing,China;[8]Peking University People’s Hospital Breast Center,Beijing,China

出　　处：《Advanced Photonics》索引2020年第2卷第3期,共8页

基　　金：This work was supported by the National Natural Science Foundation of China(NSFC)(Grant Nos.31971376,61705252,61729501,91750203,and 51720105015);the Beijing Natural Science Foundation(Grant No.JQ18019);the Natural Science Foundation of Jiangsu Province(Grant No.BK20170388);Australia-China Joint Research Centre for Point-of-Care Testing(Grant Nos.ACSRF65827,SQ2017YFGH001190);Science and Technology Innovation Commission of Shenzhen(Grant No.KQTD20170810110913065).The authors declare that there are no conflicts of interest regarding the publication of this article. 摘　　要：The pixel size of a charge-coupled device(CCD)camera plays a major role in the image resolution,and the square pixels are attributed to the physical anisotropy of the sampling frequency.We synthesize the high sampling frequency directions from multiple frames acquired with different angles to enhance the resolution by 1.4×over conventional CCD orthogonal sampling.To directly demonstrate the improvement of frequency-domain diagonal extension(FDDE)microscopy,lens-free microscopy is used,as its resolution is dominantly determined by the pixel size.We demonstrate the resolution enhancement with a mouse skin histological specimen and a clinical blood smear sample.Further,FDDE is extended to lens-based photography with an ISO 12233 resolution target.This method paves a new way for enhancing the image resolution for a variety of imaging techniques in which the resolution is primarily limited by the sampling pixel size,for example,microscopy,photography,and spectroscopy. 关键词：frequency domain diagonal sampling SUPER-RESOLUTION

相关文献

参考文献（33）
引证文献（4）
耦合文献（22）

参考文献(33)

引证文献(4)

耦合文献(22)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Frequency-domain diagonal extension imaging

参考文献(33)

引证文献(4)

耦合文献(22)

用户提示