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C++ 2022-03-23 06:10:46
error: ‘CV_WINDOW_AUTOSIZE’ was not declared in this scope
#include <opencv2/highgui/highgui.hpp> NOTE: since all the windowing stuff is in the highgui module, you'll need to include above header. Example error: prashad@ubuntu:~/test$ g++ create_ipl_image.cpp `pkg-config opencv cvblob --cflags --libs` ... Add solution -
Shell/Bash 2022-02-02 23:30:05
print file size in mb linux
prashad@ubuntu:~/working_dir/opencv$ ls -lh CMakeLists.txt -rw-r--r-- 1 prashad prashad 65M Sep 29 01:05 CMakeLists.txt prashad@ubuntu:~/working_dir/opencv$ NOTE: To display the file sizes in units like 7K, 5M, 8.2G, etc… use the -lh option with... Add solution -
C 2022-01-30 19:47:10
ModuleNotFoundError: No module named 'cv2'
To solve this run the following # main opencv pip install opencv-python # contrib package for the extra features pip install opencv-contrib-python The official installation instructions are on the opencv website. More info can be found here: https://www... Add solution -
Python 2022-01-26 03:17:08
valueerror need more than 2 values to unpack findcontours
if cv2.getVersionMajor() in [2, 4]: # OpenCV 2, OpenCV 4 case contour, hier = cv2.findContours( thresh.copy(), cv2.RETR_CCOMP, cv2.CHAIN_APPROX_NONE) else: # OpenCV 3 case image, contour, hier = cv2.findContours( ... Add solution -
Shell/Bash 2022-01-23 02:35:47
ImportError: /usr/lib/aarch64-linux-gnu/libgomp.so.1: cannot allocate memory in static TLS block
I had a similar issue where I was unable to import cv2. I can import opencv in console I was importing tensorflow before cv2. For some reason switching the order (importing cv2 first) worked. I am not sure how it worked but it might help you. Add solution -
Python 2022-01-22 20:56:08
Escala, Translação e Rotação em Vídeos - Python
import numpy as np import cv2 imagem = cv2.imread("openCVPython.png") print imagem.shape altura, largura = imagem.shape[:2] cv2.imshow("Original", imagem) cv2.waitKey(0) Add solution