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本文实例为大家分享了Python实点云分割k-means(sklearn),供大家参考,具体内容如下
植物叶片分割
import numpy as np import matplotlib.pyplot as plt import pandas as pd from sklearn.cluster import KMeans from sklearn.preprocessing import StandardScaler from mpl_toolkits.mplot3d import Axes3D data = pd.read_csv("jiaaobo1.txt",sep = " ") data1 = data.iloc[:,0:3] #标准化 transfer = StandardScaler() data_new = transfer.fit_transform(data1) data_new #预估计流程 estimator = KMeans(n_clusters = 10) estimator.fit(data_new) y_pred = estimator.predict(data_new) #也可以不预测 #cluster = KMeans(n_clusters = 9).fit(data_new) #y_pred = cluster.labels_s #质心 #centroid = cluster.cluster_centers_ #centroid.shape fig = plt.figure() ax = Axes3D(fig) for i in range(9): ax.scatter3D(data_new[y_pred == i,0],data_new[y_pred == i,1],data_new[y_pred == i,2],marker = ".") ax.view_init(elev = 60,azim = 30) ax.set_zlabel('Z') ax.set_ylabel('Y') ax.set_xlabel('X') plt.show()
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。
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