python - How do I install opencv using pip? - Stack Overflow
Aug 15, 2018 · No cv2 installed. I also tried pyopenvc and pip install opencv-python. So, I went to the opencv site and downloaded the relevant exe. Ran it - generated a heap of subdirectories and a …
Save video in opencv with H264 codec - Stack Overflow
Dec 6, 2021 · I am using opencv-python==4.5.1.48 and python3.9 docker. I want to save a video in h264 format. Here is my function to save a video: import cv2 def save_video(frames): fps = 30 video_path ...
c++ - Shift image content with OpenCV - Stack Overflow
Starting from an image, I would like to shift its content upward of 10 pixels, without changing size and filling in black the sub image (width x 10px) on the bottom. For instance, the original: An...
python - How can I install cv2? - Stack Overflow
Sep 11, 2019 · If you are only working with images pip install opencv-python opencv-python If you need support for working videos: pip install opencv-contrib-python opencv-contrib-python If you need a …
OpenCV/Python: read specific frame using VideoCapture
Nov 11, 2015 · Is there a way to get a specific frame using VideoCapture() method? My current code is: import numpy as np import cv2 cap = cv2.VideoCapture('video.avi') This is my reference tutorial.
opencv - "The program can't start because opencv_world300.dll is ...
After installing OpenCV version 3.4.1 for use with VS 2017 following these instructions, Visual Studio complained about missing opencv_world341d.dll. Even though I had added …
c++ - OpenCV - DLL missing, but it's not? - Stack Overflow
Apr 23, 2010 · I have had numerous problems with opencv and only succeded after a gruesome 4-6 months. This is the last problem I have had, but all of the above didn't work. What worked for me was …
How do I install Python OpenCV through Conda? - Stack Overflow
Download OpenCV Package Firstly, go to the official OpenCV site to download the complete OpenCV package. Pick a version you like (2.x or 3.x). I am on Python 2.x and OpenCV 3.x - mainly because …
The difference between opencv-python and opencv-contrib-python
Nov 18, 2020 · opencv-python provides the core functionality of OpenCV, including the essential image and video processing capabilities. It contains the main modules necessary for image and video I/O, …
How can I sharpen an image in OpenCV? - Stack Overflow
Feb 14, 2011 · How can I sharpen an image using OpenCV? There are many ways of smoothing or blurring but none that I could see of sharpening.