how to solve an error when converting RGB to Gray? (error: (-215) scn == 3 || scn == 4 in function cv::cvtColor)

Resizing image with cv2

Sobel and Laplace results appear in grayscale

Why is camera still working after cv2 release?

Show resized image with cv2

Facing problem in uploading image returned from cv2.imdecode()

Can't import cv2 on Jupyter notebook(Anaconda)

Error when overlaying two images in OpenCV and or PIL

Unable to import cv2 using Anaconda 4.5 Python 3.6.6

Exact face crop using OpenCV

opencv- ModuleNotFoundError: No module named 'cv2' in Spyder python prompt

Removing background color(s) from when analysing dominant colors in an image (python, OpenCV)

Display frames of video after processing (one by one) Python

How to change output from list to tuple

Image import via Tensorflow whilst matching datasheet values

Function that will take an index of an image and return its color

Python : ValueError: could not broadcast input array from shape (293,300) into shape (700,360)

Error in using adaptive thresholding on gray-scale image

List are unable to be multiplied by numpy

Handwritten Character Classification using SVM .

OpenCV : ValueError: source code string cannot contain null bytes

imshow window cannot be reused when called within a thread in raspberry pi

imshow in opencv with python is not interactive

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

"HDF5 library version mismatched error" python tensorflow

How to make videostream with a counter Flask

Why is Pylint telling me 'module cv2 has no member'?

Extract text from image-tesserect

Tensor Flow CCTV IP Camera

Why the automatic change in pixel value in python?

Image detection error can someone help me?

multiproccessing cv2 detectAndCompute TypeError

Compression PNG with PIL and cv2

Making 1 pixel wide contour

Python play audio in sync with cv2 video

Creating a video from individual frames

Weird outcomes using V4L2, python, on raspberry pi 3

Getting error :videoio(MSMF): async ReadSample() call is failed with error status: -2147023169" spammed at me together with a "can't read frame" error

Wrong colours with cv2.imdecode (python opencv)

Getting error when importing CV2 in python tried all solution on Stackoverflow

'no module named cv2' import error on pytorch

Can We connect handycam to Opencv

Python 2.7 - CV2, Rasterio gets an error numpy.ndarray object is not callable

What datatype is captured with cv2.VideoCapture.read() method in OpenCV?

cannot load image using cv2.imread

Unable to display video from Youtube with Python and OpenCV

flann cv2: How can I rank the "good" matched descriptors obtained from Lowe's ratio test?

Find the weight of an animal using this image

Could not find a version that satisfies the requirement cv2

"DLL load failed" when import cv2 (opencv)

Python OpenCV Error: Current thread is not the object's thread

Simple method to extract specific color range from an image in Python?

Displaying two images alternatively in one window repeatedly

estimateTransformation in CV2 is difference with document

get probability how two numpy arrays are close to each other python

Write binary numpy array of zeros and ones to file using cv2 or Pillow

OpenCV: MatchShapes totally wrong

I have cv2.so file in my virtualenv, but I'm still getting an error

How to select arbitrary region from image in python using mouse?

Turning off web cam using cv2 in python

Multi-Object Tracking using Opencv Python: Delete trackers for the objects that moved out of frame

Using multiprocessing with opencv to run a function in parallel with inputs of frames from different cameras

Unable to run Tracking on Open CV 3.4.1 on Python 3.6.6

How to stitch two images using related keypoints?

cv2.PCACompute() finding both bright and dark objects on gray image background

cv2.connectedComponents crashes when called again after printing its result

Change pixel values of images and saving it on other directory

I have tried to crop every letter on the given below image but not was not successful

Draw a line between points to compare, plot and analyze using python

CV2 minAreaRect() returned angle is different from the skew of box getting from boxPointers()

Python OpenCV DrawContours

CV2 import dll missing problem in windows 10

OpenCV - detecting color ranges and display on console

CV2- ImportError: ... version `GLIBCXX_3.4.22' not found

Find a shape within a shape with python

cv2.cvtcolor bgr2gray seems get an error image

blank background in .png image converted to black, white, and other colors

Displaying multiple images inline

Closing Python files while using cv2

python cv2 feature matching give different results

how to display current time of the system on window created by cv2.imshow()

cv2 findChessboardCorner accuracy is low when using Raspberry Pi camera module

What parameter is affecting the accuracy when training faces,and how do I improve it?

Small value generated by using Gunnar Farneback methode in openCV Python

Python install cv2

How do I draw a type called 'insert' in opencv

Can Kivy Python be used to access IP cameras?

won't play video or give error

Python Opencv Image Stitching Creates Empty file

Color Intensity of Pixel(X,Y) on Image [OpenCV / Python]

arcLength function (without OpenCv)

tesseract ocr is not working on image which have text length of only 2 or less. Works fine for Image with text length greater than 3.

Read text from image without using tesseract using python3

import cv2 dll load failed

I got an error -error: (-215) ssize.width > 0 && ssize.height > 0 in function resize

Best Practice in Keras to validate data with varying shape?

How to read IP camera using OpenCV

E1101:Module 'cv2' has no 'copyMakeBorder' member

rtsp method SETUP failed: 461 Client error

Resize image and draw on original