我目前正在做Raspberry Pi 3模型B的橙色球的实时对象检测。下面的代码应该是一个帧,然后用cv2.inRange()功能,使用RGB(BGR)滤除图像。然后我应用dialation和侵蚀去除噪音。然后我找到轮廓并绘制它们。此代码一直工作到现在。然而,当我今天跑了它在不改变它,我得到了如下因素的错误:Python OpenCV:inRange()停止工作,没有变化
Traceback (most recent call last):
File "/home/pi/Desktop/maincode.py", line 12, in <module>
mask = cv2.inRange(frame, lower, upper)
error: /build/opencv-ISmtkH/opencv-2.4.9.1+dfsg/modules/core/src/arithm.cpp:2701: error: (-209) The lower bounary is neither an array of the same size and same type as src, nor a scalar in function inRange
任何帮助将是真正真棒,因为我是新来的OpenCV,花了很多时间proggraming这一点,我有一个方案竞赛机器人在5天内。
预先感谢您
import cv2
import cv2.cv as cv
import numpy as np
capture = cv2.VideoCapture(0)
while capture.isOpened:
ret, frame = capture.read()
im = frame
lower = np.array([0, 100 ,150], dtype = 'uint8')
upper = np.array([10,180,255], dtype = 'uint8')
mask = cv2.inRange(frame, lower, upper)
eroded = cv2.erode(mask, np.ones((7, 7)))
dilated = cv2.dilate(eroded, np.ones((7, 7)))
contours, hierarchy = cv2.findContours(dilated,cv2.RETR_TREE,cv2.CHAIN_APPROX_SIMPLE)
cv2.drawContours(im,contours,-1,(0,255,0),3)
cv2.imshow('colors',im)
cv2.waitKey(1)
您确定您在'mask = cv2.inRange(frame,lower,upper)'中输入的帧不是空的吗?在这个语句之前尝试打印'frame.shape'。 – ZdaR