值得学习的地方:
1.选择合法索引的方式
2.数组转图像显示
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import numpy as np from PIL import Image #input : shape(N, 4) # (x, y, z, intensity) def pointcloud2image(point_cloud): x_size = 640 y_size = 640 x_range = 60.0 y_range = 60.0 grid_size = np.array([ 2 * x_range / x_size, 2 * y_range / y_size]) image_size = np.array([x_size, y_size]) # [0, 2*range) shifted_coord = point_cloud[:, : 2 ] + np.array([x_range, y_range]) # image index index = np.floor(shifted_coord / grid_size).astype(np. int ) # choose illegal index bound_x = np.logical_and(index[:, 0 ] > = 0 , index[:, 0 ] < image_size[ 0 ]) bound_y = np.logical_and(index[:, 1 ] > = 0 , index[:, 1 ] < image_size[ 1 ]) bound_box = np.logical_and(bound_x, bound_y) index = index[bound_box] # show image image = np.zeros(( 640 , 640 ), dtype = np.uint8) image[index[:, 0 ], index[:, 1 ]] = 255 res = Image.fromarray(image) # rgb = Image.merge('RGB', (res, res, res)) res.show() |
以上这篇Python实现点云投影到平面显示就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/random_repick/article/details/80770292