| 可变帧率 SPAD 传感器 NV15VFR | NV15VFR 可变帧率单光子雪崩二极管(SPAD)传感器,面向需要高灵敏度、高帧率同时又要降低输出带宽的应用场景开发。该器件结合了 SPAD 成像器与事件型传感器两者的优势:既具备 SPAD 的单光子分辨能力与高速工作特性,又拥有事件传感器输出数据率低的特点。
依托创新传感器架构,芯片输出曝光周期内捕获的光子事件,时间戳分辨率可达ns级别,通过简易并行接口实现低延迟数据传输。
传感器仅输出曝光期间探测到光子事件的像素;全部事件读取完成后,可立刻进入下一次采集周期。产生事件的触发阈值可结合像素合并配置,在1‑15 个光子之间调节。这种光子事件驱动输出模式能够降低系统输出数据速率与功耗。
如果需要固定帧率工作模式,传感器可在事件读取完毕后保持休眠,直至设定的时间间隔结束,再启动下一轮采集。 |
白皮书+文章 | 一、White papers(白皮书)Noise and stability analysis of an asynchronous SPAD camera operating in space at Low Earth Orbit中文标题:《低地球轨道空间环境下异步 SPAD 相机噪声与稳定性分析》 下载入口:https://novoviz.com/resources/ (页面内白皮书栏目直接下载 PDF) Investigation of photon counting statistics in a coherent state by leveraging a SPAD‑based photon number resolver中文标题:《基于 SPAD 光子数分辨模块研究相干态光子计数统计》 下载链接:https://proceedings.spiedigitallibrary.org/conference-proceedings-of-spie/14078/140780H/Investigation-of-photon-counting-statistics-in-a-coherent-state-by/10.1117/12.3095708.full
二、Scientific papers(学术论文)Sundar, A. Ardelean, T. Swedish, C. Brusschini, E. Charbon and M. Gupta. SoDaCam: Software‑defined Cameras via Single‑Photon Imaging, 2023 IEEE/CVF International Conference on Computer Vision (ICCV), Paris, France, 2023, pp. 8131‑8142, doi:10.1109/ICCV51070.2023.00750.
链接:https://ieeexplore.ieee.org/document/10378589/ V. Sundar, M. Dutson, A. Ardelean, C. Bruschini, E. Charbon and M. Gupta. Generalized Event Cameras, 2024 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), Seattle, WA, USA, 2024, pp. 25007‑25017, doi:10.1109/CVPR52733.2024.02362.
链接:https://ieeexplore.ieee.org/document/10655318 F. Gutierrez‑Barragan et al. Learned Compressive Representations for Single‑Photon 3D Imaging, 2023 IEEE/CVF International Conference on Computer Vision (ICCV), Paris, France, 2023, pp. 10722‑10732, doi:10.1109/ICCV51070.2023.00987.
链接:https://ieeexplore.ieee.org/document/10378448 A. Muntean et al. Blumino: The First Fully Integrated Analog SiPM With On‑Chip Time Conversion, IEEE Transactions on Radiation and Plasma Medical Sciences, vol. 5, no. 5, pp. 671‑678, Sept. 2021, doi:10.1109/TRPMS.2020.3045081.
链接:https://ieeexplore.ieee.org/document/9295406 A. Muntean et al. On‑Chip Fully Reconfigurable Artificial Neural Network in 16 nm FinFET for Positron Emission Tomography, IEEE Journal of Selected Topics in Quantum Electronics, vol. 30, no. 1, Jan.‑Feb. 2024, Art. no. 7600213, doi:10.1109/JSTQE.2023.3346957.
链接:https://ieeexplore.ieee.org/document/10374199 E. Kizilkan et al. Guard‑Ring‑Free InGaAs/InP Single‑Photon Avalanche Diode Based on a Novel One‑Step Zn‑Diffusion Technique, IEEE Journal of Selected Topics in Quantum Electronics, vol. 28, no. 5, Sept.‑Oct. 2022, Art. no. 9300209, doi:10.1109/JSTQE.2022.3162527.
链接:https://ieeexplore.ieee.org/abstract/document/9743206 E. Kizilkan et al. Extended Temperature Modeling of InGaAs/InP SPADs, ESSDERC 2023‑IEEE 53rd European Solid‑State Device Research Conference, Lisbon, Portugal, 2023, pp.140‑143, doi:10.1109/ESSDERC59256.2023.10268545.
链接:https://ieeexplore.ieee.org/abstract/document/10268545
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