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- OpenCV - Ask OpenCV Questions, Get OpenCV Answers
OpenCV (Open Source Computer Vision Library) is an open source computer vision and machine learning (AI) software library
- Import cv2 error - Python - OpenCV
The problem is that there is no cv2 cp310-win_amd64 pyd file generated after the build process I’ve tried several versions of OpenCV and Python, as well as Visual Studio 2022 and 2019 Here are some details about my setup: Windows 11; CUDA 12 4 1; cuDNN 9 1 1; opencv-4 x zip + opencv_contrib-4 x zip; I’ve also tried OpenCV versions 4 9, 4
- Error: OpenCV(4. 11. 0) error: (-5:Bad argument) in function imshow
I am currently using the current version of opencv When I downgrade to version 4 10, the problem is fixed I think there was an update to the input sent to opencv in version 4 11 and it especially affects Linux-based systems The question is, how should we adjust the array inputs created with numpy in Linux-based systems in the current version?
- Unable to compile CUDA Version - Python - OpenCV
Hello guys I’m during 3 days trying to make opencv to work with CUDA I already have CUDA installed, cudnn etc What happens: After making all process described in some youtube videos, many and many times, with lots of versions of opencv, with visual studio 2019 and 2022, the last command which I should do is cmake --build “path” --target INSTALL --config Release In the example video
- How to use Thin Plate Spline Shape Transformer correctly?
I’ve got a grid of 9 landmarks, shown in the picture below My goal is to obtain warped image of a palm region, like this Here, L1 on the source image is translated to point 0, 0 in the resulting image, L9 in the source image is translated to the bottom right corner of the resulting image Here is my code import numpy as np import cv2 source_points = np array( # L1 - L3, collected from image
- Cant open read file: check file path integrity - C++ - OpenCV
Hello friends The following program WORKED to read image files, but it stopped working and gave the following error: global loadsave cpp:268 cv::findDecoder imread_(''): can't open read file: check file path integrity #include <opencv2 imgcodecs hpp> #include <opencv2 highgui hpp> #include <opencv2 imgproc hpp> #include <iostream> using namespace cv; using namespace std; Mat img; int main
- Opencv Rtsp Stream timeout - Python - OpenCV
I have an RTSP URL for streaming from a CCTV camera, but I get the following error: [ WARN:0@30 061] global cap_ffmpeg_impl hpp:453 _opencv_ffmpeg_interrupt_callback Stream timeout triggered after 30046 359055 ms When I test the same URL in VLC by opening the network stream, the live feed works perfectly
- Extract Graph Data from image - Python - OpenCV
I’m pretty new to both python and openCV I just need it for one project Users take picture of ECG with their phones and send it to the server I need to extract the graph data and that’s all Here’s a sample image : Original Image Sample I should first crop the image to have only the graph I think As I couldn’t find a way I did it manually Here’s some code which tries to isolate
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