The system of underwater imaging is the indispensable detecting equipment in ocean development in recent years. In order to image clearly, the energy that imaging receiver received must meet the requirements of the energy threshold. Based on the transmission characteristics of light in the sea. I analyze the transfer process of light energy,and research the re-lationship of the lowest sensitivity of underwater imaging receiver with the photon energy threshold deeply. Consequently,ac-cording to the objects' characteristics, designing auxiliary light source, selecting the parameters of the camera legitimately and positioning the camera and lights are available. The final purpose is to build a new underwater non-uniform light field and provide technology supports for receiving underwater images in long-distance clearly.%近年来,水下成像系统已成为海洋开发中必不可少的探测设备.在水下要清晰成像,成像接收器件接收到的能量必须满足能量阈值的要求.以光在海水中的传输特性为基础,分析光的能量传递过程,深入研究了水下成像接收器最低灵敏度与光子传递能量阈值关系.研究结果表明,可根据目标物的特性,科学设计辅助光源、选取摄像机的参数,合理布设光源、摄像机的位置.旨在建立全新的水下非均匀光场,为水下远距离、高清晰获得图像提供技术支撑.
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