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| 1 | 几何光场三维成像综述显示文摘光场成像拓展了经典光学成像的信息维度,为成像技术的提升和突破提供了更多的可能性,是计算成像领域的重要研究内容。光场携带了目标和场景的三维信息,通过对光场数据进行合理的建模和处理可以实现三维成像。光场三维成像技术可概括为光场深度估计和光场三维重建两大类。对于光场深度估计,根据深度计算的不同机理分为基于多视点立体的方法与基于极平面图的方法;对于光场三维重建,根据是否采用结构光照明分为主动和被动光场三维重建。简要介绍了光场的基本理论并回顾了常见的光场采集系统,分类介绍了光场三维成像的关键技术和典型工作并进行了技术展望。 | 殷永凯 于锴 于春展 白雪纯 蔡泽伟 孟祥锋 杨修伦 | 2021 | 中国激光2021，48，12： | 19 |
| 2 | Mirror-enhanced scanning light-field microscopy for long-term high-speed 3D imaging with isotropic resolution显示文摘Various biological behaviors can only be observed in 3D at high speed over the long term with low phototoxicity.Light-field microscopy(LFM)provides an elegant compact solution to record 3D information in a tomographic manner simultaneously,which can facilitate high photon efficiency.However,LFM still suffers from the missing-cone problem,leading to degraded axial resolution and ringing effects after deconvolution.Here,we propose a mirrorenhanced scanning LFM(MiSLFM)to achieve long-term high-speed 3D imaging at super-resolved axial resolution with a single objective,by fully exploiting the extended depth of field of LFM with a tilted mirror placed below samples.To establish the unique capabilities of MiSLFM,we performed extensive experiments,we observed various organelle interactions and intercellular interactions in different types of photosensitive cells under extremely low light conditions.Moreover,we demonstrated that superior axial resolution facilitates more robust blood cell tracking in zebrafish larvae at high speed. | Bo Xiong Tianyi Zhu Yuhan Xiang Xiaopeng Li Jinqiang Yu Zheng Jiang Yihan Niu Dong Jiang Xu Zhang Lu Fang Jiamin Wu Qionghai Dai | 2021 | Light(Science & Applications)2021，10，12： | 1 |
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