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首页> 外文会议>International Conference on Correlation Optics; 20030916-20030919; Chernivtsi; UA >The development of a subsea holographic camera for the imaging and analysis of marine organisms
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The development of a subsea holographic camera for the imaging and analysis of marine organisms

机译：用于海洋生物成像和分析的海底全息照相机的开发

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摘要

In this overview of the entire HoloMar system, we describe the design, development and field deployment of the fully-functioning, prototype, underwater holographic camera (HoloCam) followed by the dedicated replay facility (HoloScan) and the associated image processing and extraction of data from the holograms. The HoloCam consists of a laser and power supply, holographic recording optics and holographic plate holders, a water-tight housing and a support frame. It incorporates two basic holographic geometries, in-line and off-axis such that a wide range of species, sizes and concentrations can be recorded. After holograms have been recorded and processed they are reconstructed in full three-dimensional detail in air in a dedicated replay facility. A computer controlled microscope, using video cameras to record the image at a given depth, is used to digitise the scene. Specially developed software extracts a binarised image of an object in its true focal plane and is classified using a neural network. The HoloCam was deployed on separate cruises in a Scottish sea loch (Loch Etive) to a depth of 100 m and over 300 holograms recorded.
机译：在整个HoloMar系统的概述中，我们描述了功能齐全的原型水下全息相机（HoloCam）的设计，开发和现场部署，然后是专用的重放工具（HoloScan）以及相关的图像处理和数据提取从全息图。 HoloCam由激光和电源，全息照相光学器件和全息照相板支架，水密外壳和支撑框架组成。它结合了轴向和离轴这两个基本的全息几何形状，因此可以记录各种各样的物种，大小和浓度。记录并处理完全息图后，将在专用的回放设备中将其完整地三维化地重建。使用计算机控制的显微镜（使用摄像机在给定深度处记录图像）将场景数字化。专门开发的软件提取对象在其真实焦平面中的二值化图像，并使用神经网络对其进行分类。 HoloCam被部署在苏格兰海域（Loch Etive）的不同航行中，深度为100 m，并记录了300多个全息图。

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