基于OMAP3530的声/光一体化成像系统设计
首发时间:2010-05-18
摘要:本文主要研究基于OMAP3530的水下声/光一体化成像系统,利用DSP核和ARM核分别实现多子阵幅度-相位联合检测算法和光学摄像头的图像采集得到水下目标区域估计和焦点区域的光学图像信息、利用ARM核接收GPS与横摇、纵摇等参数、在PowerVR核上使用DSP核计算出的深度值依靠OpenGL | ES实现声学回波信息的三维成像、并利用QT/E设计的人机交互界面对声学和光学成像信息进行实时显示。整体系统在松花湖外场实验中性能稳定,适用于水下地形地貌探测、水下目标识别、海底资源探查等多个领域,具有广阔的应用前景和巨大的市场需求。
关键词: 水声成像系统 光学成像 一体化 OMAP3530 QT/E 水下目标识别
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Integration of underwater acoustic / optical imaging system
Abstract:This paper introduces an underwater acoustic / optical integrated imaging system, which individual uses the DSP core and ARM core of the OMAP3530 processor to realize the multi-subarray amplitude-phase united detection method and optical camera image collection for getting the estimating the depth of the sea and the optical information of the focus area,uses the ARM core to receive the GPS and other parameters from the UART and then realizes the three-dimensional acoustic reconstruction of the seafloor with OpenGL | ES library in PowerVR core of the OMAP3530 processor, uses the QT embedded designed man-machine interface to realize the acoustic and optical image information real-time displaying,relies on the network uploading the data to the mother-ship。 During the Songhua Lake experiment time the whole system run very well and had good performance。The Underwater acoustic / optical integrated 3D imaging system is suitable for underwater topography, marine salvage search and rescue, undersea resource exploration and other fields,which has a wide application prospect and huge market demand.
Keywords: underwater acoustic imaging underwater optical imaging integrated OMAP3530 Qt embedded underwater target detection
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