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基于DSP+FPGA的红外图像目标检测系统设计

消耗积分:3 | 格式:rar | 大小:661 | 2010-12-10

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 研究单帧红外图像小目标的检测问题。对传统基于数学形态学的Top-hat算子进行分析和实验，并利用一种最大类间方差方法确定分割阈值，进行图像分割和目标检测。在Matlab仿真中发现，这种方法能够在一定程度上提高单帧图像目标检测的成功率，并且在一定程度上能够适应不同环境的需要，在实际应用中具有一定的鲁棒性。同时描述一种基于DSP+FPGA的红外图像处理系统，该结构在一定程度上可满足实时性和灵活性的要求，具有很强的通用性和可扩展性。介绍了该系统的总体结构，并且给出系统各部分的硬件组成，同时描述各个部分之间的数据传输关系。
Abstract:
 An algorithm for detecting the small infrared target was researched. We have analysed the morphologic Top-hat operator in the first， and use a method of Otsu to make the threshold ， which is used to divide up the image and detect the small infrared target. The Matlab simulation shows that the method can raise the successful rate of detecting the small infrared target in a certain extent， and by the analysing the results， we find this method can not only be applied to single scene， but also can increase the robustness of object detection in some extent. At the same time， we describe a system of infrared image processing based on DSP and FPGA. The system can meet the requirements of timeliness and flexibility in some extent， and have strong versatility and scalability. The paper introduces the overall structure of the system， and gives the components of the system hardware parts， and describes the relation of data transfer in various parts at the same time.
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