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I have matplotlib lib installed using pip but when I run this code it gives me this error: shar@sha… Read more Matplotlib: Importerror: Cannot Import Name 'pyplot'

I have a webcam video recorder program built with python, opencv and ffmpeg It works ok except that… Read more Making A Video With Opencv And Ffmpeg. How To Find The Right Color Format?

So I want to write a script which I only give a path to either a folder or a file, and it will then… Read more Automatically Detecting Image And Video Files For Further Processing

I am using Data science toolbox running ubuntu 14.04 through vagrant in windows. I installed OpenCV… Read more Gtk-warning **: Cannot Open Display:

I am making a mask using cv2.inRange(), which accepts an image, a lower bound, and an upper bound. … Read more Return Boolean From Cv2.inrange() If Color Is Present In Mask

I've detected contours for an image using opencv python,now I should blackout the image outside… Read more How To Blackout The Background Of An Image After Doing Contour Detection Using Open In Python?

I am developing an application which processes cheques for banks. But when the bank's image of … Read more Calculate Angle Of Rotation Image Wrt Another Image

i installed virtualenv and virtualenvwrapper and with this command i created an environment: mkvirt… Read more Activating Environment In Virtualenvwrapper

I'm newbie of opencv and I have real need for detecting people/human within some images, I fi… Read more How To Correctly Use Peopledetect.py In Opencv?

Is it possible to copy only a specific region from an image and paste it to another image using eit… Read more Copy Cut Out Of An Image To A New Image Using Numpy Or Opencv

I have a problem with saving cropped images in a loop. My code: def run(self, image_file): pri… Read more Save Images In Loop With Different Names

I want to extract pbtxt file given an input of tensorflow frozen inference graph. In order to do th… Read more Failed To Convert Tensorflow Frozen Graph To Pbtxt File

I am trying to apply mask on an image using opencv bitwise-not. I am able to achieve this result if… Read more Opencv(4.0.0) Python Error: (-215:assertion Failed) (mtype == Cv_8u || Mtype == Cv_8s) && _mask.samesize(*psrc1) In Function 'cv::binary_op'

I'm programming a Java application that detects simple geometric shapes. The following Python c… Read more Detecting Simple Geometric Shapes Using Opencv [java]

OpenCV / Python related: Given a photo of a round object, how can you output that object flattened,… Read more Turning Circle Into Square. Solved: Squircle Package

I have code that loads and saves the image in two different ways - first using openCV, the second u… Read more Why Does Opencv Store A File Larger(kb) Than The Original?

I tried to install OpenCV, and I couldn't find any suitable pip packages for it. I decided to l… Read more Install Opencv Via Pip On Python 3.5 64-bit

Observe the following image: Observe the following Python code: import cv2 img = cv2.imread('r… Read more Python Cv2 Color Space Conversion Fidelity Loss

I am trying to use OpenCV's (Hough)Circle detection to.. detect circles. I created a solid circ… Read more Houghcircles Circle Detection Using Opencv And Python-

I have thousands of large .png images (screenshots). I'm using opencv to do image recognition … Read more Python Opencv, Only Read Part Of Image