Why "number_of_edges" are not defined?

Vidgear bidirectional_mode gives errors

How to increase the performance of face recognition using opencv

How to make dashed lines with drawMatches on OpenCV?

Segmentation fault (program exited with code: 139)

I am getting this error when runing my python script : cannot connect to X server

Reading an image with OpenCV and modifying it, then getting blur on edges

ocr1.py: error: unrecognized arguments: Image /content/drive/MyDrive/IMG_20210619_171849.jpg

How do I install opencv on pypy3?

opencv convert an image to textured image

Detect or split icons in a grid

How to extract text from each pinterest post from the screenshot of pinterest posts using OpenCV and Pytesseract?

Gtk-WARNING **:cannot open display: raspberry pi opencv problems

Trying to build OpenCV with MSVC Toolset 14.28.29910 but MSVC 14.29.30033 errors Shows Up During Build

How to merge bounding boxes to detect group of spots?

TypeError: Expected Ptr<cv::UMat> for argument 'src' (OPEN CV Python)

Saving CV_16F causes errors but not for CV_32F

How to get the checkbox position or region on the image using OpenCV

How can I find the same position of two images with different images?

c# emgu/opencv usage throwing exception - Attempted to read or write protected memory

How to use list of border pixels to obtain list of inside pixels?

Camera homography for two different cameras

Install opencv in docker torchserve container

Fast-Forward issue with saved video from PiCam

Image Processing free online courses

How to compile opencv library for android API 22

OCR for extracting text from webpage

How can I get the distance of the laser pointer from the target(middle) ,given that the target point center is (x=0,z=0) using opencv (JAVA)?

python opencv waitKey(1) not responding to input on Mac

Python send OpenCV mat and display on html using websocket

"ImportError: DLL load failed while importing cv2" when importing cv2 build from source on Windows 10 pro

How to apply SIFT descriptor on a given pixel?

Mix up of the Characters while scanning number from two rows license plate

Strange behavior in Yolov3 between Image compared to video

JavaCV platform utilizing bilateralFilter

Identify Flowers in an Image and count

Get the real distance between two OpenCV ArUco markers

Detection of vortex and numbering on basis of rotation

Color classification with k-means clustering

How the following cv2 package error, can be resolved?

How can you use managed (unified) memory for an image?

Character Segmentation not working for all the characters

The "VideoCapture()" object of the cv2 package is not working. Can anyone help me?

I am trying to save image with time and date but image is not saving

Overlaying a 1 channel skeleton image onto a 3 channel RGB image

Why isn't cv2.filter2D() working as expected?

Getting run time error while running Canny edge OpenCV example

How to remove shadow in the leaf images?

Can anyone explain me what is the purpose of successful_frame_read in this code?

Build and deploy a real-time object classifier from multiple video streams coming from Android and iOS devices

AttributeError: module 'cv2' has no attribute 'ximgproc'

Assertion failed while drawing match Key Points BF BRISK+FREAK

Hi everyone , i'm tired locking for java code that can extract barcode image by feltring with gray image and binarizatin and other steps

Direct comparison of the results using box- and Gaussian filter. what about rotational variance and the implications?

(-215:Assertion failed) !_src.empty() in function 'cv::cvtColor' python

Why can't I predict sign language properly through my camera and mediapipe? I have tried different models

matplotlib imshow gray colormap additional preprocess

OpenCvSharp Mophological Operations gone wrong

OpenCV: draw line with gradient color

How to use openCV with Real time camera preview operations in flutter

rembg: Failed to import ahead-of-time-compiled modules

problem with circle correct eye detection in opencv

Italian text extract from image with OpenCV and tessaract python

HSV color range and line detection

Gtk-WARNING **:cannot open display: raspberry pi opencv

Can't fill up area with convex hull properly on image using OpenCv python

Circle Detections In Image processing

OpenCV GUI from two different threads

assertion failed 215 error when trying to detect faces

OpenCV Brisk not detecting any keypoints

I am trying to run a number plate recognition code, but it is giving me this error

Calculating Distances Between 2 Histograms by Using Euclidean Distance

analyse screw with opencv and Matplotlib

numpy arrays written from image by opencv can't go over 255

How to send and read HTML canvas img to python api?

removing image noise using tesseract

Detecting the edge of a colorful picture OpenCV

Opencv - How to get number of vertical lines present in image (count of lines)

TIme complexity of HOG algorithm

Is it possible to use lambda layers with zappa?

open cv stereo camera calibration

OpenCV drawContours not drawing lines

Open cv Optical Flow Arrowed

Multi threading camera frames to multiple python codes

Rerun jina2 for loop to update page elements without refreshing (Flask)

OpenCV: Can't find large rectangle contour

What to do about thin area around skin failing in skin detection

Trying to convert a numpy.ndarray to a cv2.Videocapture class object or a live video feed kind of thing

How can I fix Inaccurate bounding boxes on foreground mask?

How to detect my trained objects in addition to Coco dataset?

How to merge graphics animation on video using OpenCV?

Image Stitching warsPerspective size issue

Video Overlay in Another Video

Why does cv2.DescriptorMatcher works poorly?

How to capture video by video from one rtsp Url using Opencv?

Android Studio - App dependency on module, (OpenCv module)

How to find coordinate of polygon shape from binary image?

How to create rotated bounding box to an polygon shape

How to find opencv dnn model for facial landmark 68 point

overlaying transparent image to video stream - OpenCV