
python - How can I install cv2? - Stack Overflow
Sep 11, 2019 · 32 My environment: Ubuntu 18.04 LTS (Bionic Beaver) (also tried on Ubuntu 19.04 (Disco Dingo)) I use/need Python 3 (3.6.8 installed). I need cv2, which is a model of …
python - How do I install opencv using pip? - Stack Overflow
Aug 15, 2018 · 307 I need to install cv2 for a script that has been written for me. I tried pip install cv2 and pip install open_cv and got the same problem - a warning message from dist.py and …
python - Cannot find module cv2 when using OpenCV - Stack …
I have installed OpenCV on the Occidentalis operating system (a variant of Raspbian) on a Raspberry Pi, using this script by jayrambhia. It installed version 2.4.5. When I try import cv2 in …
python 3.x - How to import cv2 in python3? - Stack Overflow
I'm using Windows, and I'm trying to install package cv2 for python3. I did a pip3 install opencv-python and it reports successful: But when I do the import cv2 from python3, it's not found and …
Access IP Camera in Python OpenCV - Stack Overflow
Apr 23, 2018 · An IP camera can be accessed in opencv by providing the streaming URL of the camera in the constructor of cv2.VideoCapture. Usually, RTSP or HTTP protocol is used by …
How do I increase the contrast of an image in Python OpenCV
Sep 3, 2016 · For Python, I haven't found an OpenCV function that provides contrast. As others have suggested, there are some techniques to automatically increase contrast using a very …
How do I install Python OpenCV through Conda? - Stack Overflow
I'm trying to install OpenCV for Python through Anaconda, but I can't seem to figure this out. I tried conda install opencv conda install cv2 I also tried searching conda search cv No cigar. I ran
How to convert a python numpy array to an RGB image with …
Nov 1, 2014 · 58 You don't need to convert NumPy array to Mat because OpenCV cv2 module can accept NumPy array. The only thing you need to care for is that {0,1} is mapped to {0,255} …
python OpenCV - add alpha channel to RGB image - Stack Overflow
44 You may use cv2.merge() to add the alpha channel to the given RGB image, but first you need to split the RGB image to R, G and B channels, as per the documentation: Python: cv2.merge …
python - Combining Two Images with OpenCV - Stack Overflow
Sep 29, 2011 · I'm trying to use OpenCV 2.1 to combine two images into one, with the two images placed adjacent to each other. In Python, I'm doing: import numpy as np, cv img1 = …