Converting OpenCV cv.Rectangle(img, pt1, pt2) into NumPy array with Python

Detecte Rectangle Inside Polygne

How to plot multiple CV2 objects on the sme figure?

I try to detect circle in real-time webcam using HoughCircles from Opencv (javascript)

How to detect vertical videos with OpenCV (Python)?

Displaying camera2 preview in portrait mode using CameraGLSurfaceView

OpenCV displays 'None' for a large number of images

How to get the video files after the first video file to save properly

cv2.imshow() function does not show the image if user input is taken, but works otherwise

how to remove black spots from the image using openCV in python?

Increase haar-classifier accuracy using python 3 and opencv

Negative Values of Sobel Gradient Values

how to fill a part of frame with black in python using openCV

CGImageCreate: invalid image data size: 698 (height) x 1266 (bytesPerRow) data provider size 365752

Train opencv to identify locations of information in document

Recognize font MICR CMC-7

Opencv object tracking and audio responding

DetectMultiscale in a Multi classification SVM hog classifier in video stream

How to stream MJPEG string to HTML or RTSP?

Flood Fill 3D image on iOS App produces inconsistent fill output

Chicken Number Counting and Motion Detection from CCTV Records or Captures Using Machine Learning

Detecting crash video

OpenCV image stitching never finishes

How can I take a simple data output in Python and export it to a an excel (or notepad)?

Draw in an area, based on an color filter in Python

How do I accurately retrieve the bounding box of an object detected using Tensorflow Object Detection API?

Declaration conflict due to different opencv version while compiling

Need help in removing salt and pepper noise for blood vessel extraction while keeping vessel information using OpenCV in Python

Aligning images with the depth map in Opencv

No cv2.pyd file after cmake build

Incompatible datatypes with Python-OpenCV and Numpy slice

I'm trying to make a number plate recognition system using Java and OpenALPR, I am struggling for ideas on how to do this

Image to Text conversion

How to live stream videos on firebase using webcam and openCV?

Find rectangle bounding box in image and crop it

Semantic Image Segmentation using Scipy

How to pass grayscale image (opencv mat) to LBPHFaceRecognizer JavaCv function and retrieve histogram data for each image?

How to mask an image using the label with the biggest area using regionprops?

problem in determining arrow direction in an image

I have a pre-trained CNN that performs classification in .caffemodel extension. How should I use it?

Using OpenCV rolling ball filter package-what is the effect of varying the radius of the ball?

Getting an average color out of HSV image for Chlorophyll screening

I'm trying to find out if the background is colored or monochrome

Why isn't the video feed read by the web camera in python code?

Detect skewness and deskew images containing lines,boxes and text using opencv

RaspberryPi: ImportError: No module named cv2 in Geany

How to extract Text content that are aligned in different format in a scanned document using python?

Understanding the ellipse parameters in Open CV using Python

How to get 4 by 4 bounding boxes of an image and their corresponding coordinaates?

Overwriting on an entry box in tkinter

Training the facial recognition model

linking error of while building caffe

How to integrate Tesseract-OCR with OpenCV in C++

When I am trying to get live stream from youtube using opencv and camgear I am getting the following error

extracting bounding boxes from an image and stores it as image?

Is there any algorithm or an api to get pre-processed images with some basic processing like deskewing,rotation,removing blur,auto resize?

How to use OpenCV in Android Studio with CMake 3.10?

Need advice on submenus

How to find object movement in iPhone SDK

Am I using the correct order for this kind of segmentation?

object detection opencv blurriness

Trying to generate fibonacci spiral but getting a black image instead,stuck up

How do i convert Gray to RGB in nrrd file

Compare faces in PHP without an API

Obtain features inside image and remove boundary

why in harr featue's x3 pattern the middle part's weight is 1 instead of 2?

Why does a right click open a drop down menu in my OpenCV imshow() window?

Copy detected face's names in a live stream (using Open CV) to a text file

How to detect only the lane boundaries using Hough transform?

How to get world co-ordinates from pixels for iPhone XR

Cannot separate classes from JavaFX controller

Identifying a specific text from a document without OCR the entire image

How to save 1-bit bitmap

How to apply binary mask on text images to separate text regions in python?

Trouble importing opencv2 for C++ using Eclipse IDE on Windows10

How to detect triangular shaped traffic sign using Opencv

Need help in resolving error in Kalman filter implementation in Java using opencv

How to output a sequence of images in openCV python

How to detect all boxes for inputting letters in forms for a particular field?

what is meant by a real-time image processing?

How do I count shapes with OpenCV?

Getting nullPointer in image recognition attempt

CodeLite opencv path

Search for the most informative zone in the image

Represent 3 values as 1 in numpy array

How to process OpenCV C++ contours on a cloud?

Is there a way to use openCV-python to recognize multiple photos on a white background?

Plot values not updated in OpenCV's VideoCapture

Apply VR lens distortion (barrel distortion) to live video feed

How to extract bounding box coordinates from an image with OpenCV?

Python OpenCV return black image form external camera

how to drawing boundary box for large data set of images with (display sequential images)?

How can I resize a directory full of images to desired width and height in python?

How to set up treshold level(value) in opencv(python)?

How do we get rid of the duplicate box in Python?

i just get a big X on my image not on the road marking

Problem in testing my function with Catch2Farmework

How to detect coordinates of each of the cells using binary image of the cell borders using OpenCV?

What approaches can be used to identify employees loittering

Classes modifying a single variable