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红外视频跟踪技术具有相当广泛的应用前景。本文以单个圆形目标为例,介绍了红外视频中特定形状目标的实时检测算法。该算法的基本思想:在视频图像中设置若干条扫描线,并利用这些扫描线与目标边缘的交点计算出目标的参数。算法还对随机哈夫变换进行了改进,将在由交点参数计算目标参数时使用。实验表明,该算法准确性高、实时性好,能够满足实际应用要求。
Infrared video tracking technology has a very wide range of applications. In this paper, taking a single circular target as an example, this paper introduces a real-time detection algorithm for a specific shape target in infrared video. The basic idea of this algorithm is to set several scan lines in the video image and calculate the target parameters by using the intersection of these scan lines and the target edge. The algorithm also improves the random Hough transform and will be used when calculating the target parameters from the intersection parameters. Experiments show that the algorithm has high accuracy and good real-time performance, which can meet the practical application requirements.