对时序对象进行分析,使用KMP算法可以分析速率不变的模式,参考时序分析:欧式空间轨迹模式识别.使用基于模板匹配的方法,对于速率发生变化的模式,需要用新的对速率要求松散的方法,DTW方法为一种广泛使用的方法. 此外,基于模板的方法也有MEI方法(Measured Equation of invariance).MHI方法(OpenCV使用了-Forward-Backward MHI (before and after the historical figure to the movement)即前
1. from here. diagonalReturn specified diagonals. diagflatCreate a 2-D array with the flattened input as a diagonal. traceSum along diagonals. triuUpper triangle of an array. trilLower triangle of an array. 2. DTW distance. dtaidistance from dtaidis
dtw路径与线性变换路径对比 转自:http://baike.baidu.com/link?url=z4gFUEplOyqpgboea6My0mZPBh3_sZZpk6EfpzwuZ16uMlyPl7utZQi-XNkotLzLrGih9zUFNG4_tygNg8khiK 在孤立词语音识别中,最为简单有效的方法是采用DTW(Dynamic Time Warping,动态时间归整)算法,该算法基于动态规划(DP)的思想,解决了发音长短不一的模板匹
# -*- coding: utf-8 -*- """ Created on Tue Dec 4 08:53:08 2018 @author: zhen """ from dtw import fastdtw import matplotlib.pyplot as plt import numpy as np import pandas as pd import threading import time from datetime import