求翻译：本文提出了一种利用脚摆动特征进行步态识别的新方法。首先对步态序列图像进行预处理，然后提取以脚跟为轴脚尖摆动所产生的角度即脚摆角作为特征参数，最后分别采用BP神经网络、最近邻分类器和K近邻分类器法对这些特征数据进行识别分类，并进行了分析比较。本方法通过在中科院NLPR数据库进行试验结果表明，利用脚摆角作为步态特征可以简单快速进行步态识别，且识别性能较好。是什么意思？

This paper presents a foot swing characteristics using a new gait recognition method. First, pretreatment of gait image sequence, then extract the swing toe to heel axis angle of the foot generated by the swing angle as the feature parameters, and finally were used BP neural network, nearest neighbo

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Presented a new method for gait recognition using feet swing features. Gait sequences of image pretreatment on first, and then withdrawn in order to swing the angle of heel for an axis toe foot angle as a parameter, finally, nearest neighbor classification using BP neural networks and k-nearest neig

Presented a new method for gait recognition using feet swing features. Gait sequences of image pretreatment on first, and then withdrawn in order to swing the angle of heel for an axis toe foot angle as a parameter, finally, nearest neighbor classification using BP neural networks and k-nearest neig