基于离轴分布感知结构的三维集成成像技术研究

Recently synthetic aperture integral imaging (SAII) and axially disributed sensing (ADS) have been hot issues in the field of real three-dimensional (3D) visualization. Compared with the conventional integral imaging system, resolution of the reconstructed 3D images can be efficiently improved in such two types of integral imaging system. Therefore, these two imaging system bring bigger advantages over the conventional integral imaging system in terms of practical applications. However, due to the complicated imaging structure and low work efficiency of the existing SAII and the ADS systems, 3D information may not be efficiently, completely and accurately obtained in these two imaging systems. Accordingly, a new integral imaging system with the off-axially distributed sensing structure, having shift and scale features, has been designed in this project. Not only may the proposed imaging system solve the problem of the complicated optical structure and low work efficiency caused by the above-mentioned two integral imaging systems, but also may further improve visualization of the reconstructed 3D images. The study of this project may effectively promote the development of the integral imaging technology in terms of practical application of real 3D visualization, and may also provide technical support for construction and development of China's next generation 3D visual system, 3D object detection, and 3D micro imaging in biomedical sciences. Therefore, the study of this project is an important topic with the rich theoretical value and the practical significance..

近年来合成孔径集成成像和轴向分布感知集成成像已成为真三维可视化领域的研究热点。与传统集成成像相比，这两种方式可有效提高三维图像的质量，因此这两种技术在实际应用方面具有明显优势。然而，目前合成孔径集成成像的结构复杂和轴向分布感知集成成像的工作效率低等原因，未能有效、完整和精确的获取物体的三维信息。为此，本项目设计一种具有偏移和放缩特征的离轴分布感知系统，并利用该系统的偏移和放缩特征，解决目前基于相机阵列的集成成像系统结构复杂、工作效率低等技术难题，进一步提高重构图像的质量和三维效果。本项目的研究不仅能够有效的推动集成成像在实际应用领域上的发展，还将为我国发展下一代三维显示系统、目标探测及生物医学领域的三维立体微成像等领域所涉及的技术难题提供技术支撑，具有重要的理论价值和实用前景.

集成成像技术作为一种三维成像和可视化领域的新技术，在真三维立体显示、目标探测及生物医学微成像等领域有着广泛的应用前景。本课题实现了一种具有偏移和放缩特征的离轴分布感知系统，解决了目前基于相机阵列的集成成像系统中结构复杂、成像效率低等技术难题，在离轴分布系统设计、三维立体显示、三维重构算法及优化、低照度下环境下三维重构算法等方面取得了一系列研究成果。在本项目的资助下，课题组共发表学术论文23篇，其中SCI论文7篇，Scopus论文3篇，国际会议论文13篇；获批1项省部级纵向项目；获得1项全国智能移动终端应用创新大赛一等奖；申请3项国内发明专利；培养硕士研究生5名。本项目的研究不仅能够有效的推动集成成像在实际应用领域上的发展，还将为我国发展下一代三维显示系统、目标探测及生物医学领域的三维立体微成像等领域所涉及的技术难题提供技术支撑，具有重要的理论价值和实用前景。

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