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IR diver vision for turbidity mitigation

机译：红外潜水员视野以减轻浊度

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Commercial, forensic, and military divers often encounter turbid conditions which reduce visibility to zero. Under such conditions, work must be performed completely blind. The darkness resulting from high levels of turbidity is complete, and can be dangerous as well as disorienting. Such darkness can even occur near the surface on a bright and sunny day. Artificial underwater lighting is of no use in such situations, as it only makes matters worse (similar to the use of high beam headlights in dense fog). Certain wavelengths of infrared (IR) light have the ability to penetrate this underwater "fog," and thus form the basis of the current development. Turbidity results from clay, silt, finely divided organic and inorganic matter, soluble colored organic compounds, plankton and microscopic organisms suspended in water. The IR Diver Vision system described herein consists of a standard commercial diving mask of any of several configurations whereby an IR light source, IR video camera, video display, and power source may be integrated within or attached to the mask. The IR light source wavelength is compatible with the spectral bandwidth of the video camera. The camera field-of-view (FOV) is matched to the video display in order to provide a unity magnification and hence prevent diver ocular fatigue. The IR video camera, video display, power source and controls are compatible with extended use in a submarine environment. Some such masks will incorporate tilt/heading sensors and video indicators. 3-D Imaging, Inc. has developed prototypes and has patents pending on such devices.
机译：商业，法医和军事潜水员经常遇到浑浊的环境，使能见度降低到零。在这种情况下，必须完全盲目进行工作。高浊度造成的黑暗是完全的，既危险又迷失方向。在晴朗的晴天，这种黑暗甚至可能发生在地表附近。在这种情况下，人工水下照明毫无用处，因为它只会使情况变得更糟（类似于在浓雾中使用远光灯）。某些波长的红外（IR）光具有穿透这种水下“雾”的能力，因此构成了当前发展的基础。浊度是由粘土，淤泥，细分的有机和无机物，可溶的有色有机化合物，浮游生物和悬浮在水中的微观生物导致的。本文所述的IR Diver Vision系统由几种配置中的任何一种的标准商用潜水面罩组成，借此，IR光源，IR摄像机，视频显示器和电源可以集成在面罩内或连接到面罩。红外光源的波长与摄像机的光谱带宽兼容。摄像机视场（FOV）与视频显示器相匹配，以提供统一的放大倍率，从而防止双眼疲劳。红外摄像机，视频显示器，电源和控件与在水下环境中的扩展使用兼容。一些这样的掩模将结合倾斜/航向传感器和视频指示器。 3-D Imaging，Inc.已开发出原型，并已在此类设备上申请专利。

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