Design method and device of super-resolution microscopic imaging equipment based on light field coding

By combining light field coding and neural networks, the problem of balancing resolution and field of view in traditional fluorescence microscopy has been solved, achieving efficient and portable high-throughput fluorescence imaging, restoring high-frequency information, and improving imaging quality.

CN122410818APending Publication Date: 2026-07-17NANJING UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NANJING UNIV
Filing Date
2026-05-21
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Traditional fluorescence microscopy is limited by the trade-off between spatial resolution and field of view, resulting in high-quality imaging relying on complex optical architectures, which limits portable, cost-effective and high-throughput applications, especially in resource-constrained environments.

Method used

A super-resolution lensless fluorescence imaging technique based on light field coding is employed. By separating fluorescence and excitation light through temporally staggered illumination and exposure, combined with spatial coding to modulate the fluorescence signal, and utilizing an end-to-end training framework of a differentiable imaging model and a super-resolution reconstruction neural network, high-resolution images are reconstructed.

Benefits of technology

It achieves high-resolution fluorescence imaging, surpasses the limitations of sensor pixel size, recovers high-frequency information that cannot be collected, improves imaging quality and throughput, and is suitable for resource-constrained environments.

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Abstract

本发明公开一种基于光场编码的超分辨率显微成像设备的设计方法及装置。该方法包括:获取分为训练和测试集的荧光数据;使用传感器、位移控制器和光栅对光场传播距离和调制图案之间关系校准;构建成像模型,以距离为可学习调控参数并计算调控效应和光场分布,基于此及退化模型来计算退化后的值;构建从该值重建图像的神经网络;基于成像模型和神经网络建立端到端框架以优化;将测试集输入到优化后的成像模型和神经网络,根据输出的和真实的图像的误差评估成像设备的性能。本发明利用光场传播不同距离时会产生不同的调制图案对目标信号进行调制,实现了频谱搬移,将系统原本采集不到的高频信息搬移至可被采集的低频区域,从而实现超分辨率的目的。
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