学习随笔

import cv2 as cvimport numpy as npdef get_image_info (image): #读取图像 print(type(image)) print(image.shape) print(image.size) #像素数量 print(image.dtype) #字节位数 pixel_data = np...

import cv2 as cvdef video_demo(): capture = cv.VideoCapture(0) while(True): ret,frame = capture.read() frame = cv.flip(frame,1) cv.imshow = ("video",frame) c...

import cv2 as cvimport numpy as npdef access_pixels(image): print(image.shape) height = image.shape [0] width = image.shape [1] channels = image.shape [2] print("height : %s,wi...

import cv2 as cvimport numpy as npdef creat_image(): ''' #创建RGB图像 image = np.zeros([400,400,3],np.uint8) #初始图片黑色 #修改第一个通道的值 image[:,:,0] = np.ones([400,400])*255 #输出蓝色的图 第一通道是...

电脑里已安装opencv3.4和python3环境1、安装opennipip install openni2.安装openni2下载地址https://structure.io/openni我的电脑是64位解压直接安装就好3.不确定是否必须环境变量中添加以下系统变量4.运行python代码将代码放到D:\Program Files\...

以下是两个摄像头进行拼接的代码，同理可以拼接N个。效果如下：由于两个摄像头分辨率不一样，以及懒得resize成一样的大小，显示效果左边视频上下留黑了。import cv2import numpy as np##选择摄像头videoLeftUp = cv2.VideoCapture(0)videoRightUp = cv2.VideoCapture(1)width = (...