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I am aware of Matlab, matplotlib style colormap in OpenCV . The documentation explains its usage f… Read more Is There Opencv Colormap In Python?

I have this image that contains text(numbers and alphabets) in it. I want to get the location of al… Read more Get The Location Of All Text Present In Image Using Opencv

I have three python files: glob_var.py, read_cam.py, read_globVar.py. Their contents are as below: … Read more How To Share Opencv Images In Two Python Programs?

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 have a code to detect two colors green and blue. I want to check if green color is detected to pr… Read more Checking The Colors Opencv Python

I can only ever find examples in C/C++ and they never seem to map well to the OpenCV API. I'm l… Read more Reduce Image To N Colors In Opencv Python

after attempting to crop my image in several locations by saving the list of coordinates to an arra… Read more Letters Blurry / Fuzzy After Crop Function

I am trying to call a c++ code from a python script using cython. I already managed to work with an… Read more Calling C++ Code From Python Using Cython Whith The Distutilis Approach

I wish to be able to use a webcam and utilize MTCNN as the primary facial detector. Just as one can… Read more Using Mtcnn With A Webcam Via Opencv

I am trying to crop a portion of an image as shown below using opencv / PIL . I want to crop the re… Read more Opencv Image Manipulation To Crop An Angled Section Of An Image In Python

I am just trying to detect and recognize faces from the frame read through CV2 VideoCapture. For de… Read more Mtcnn_face_detection_alignment Lagging In Ip Camera, Convention Behind Opencv Cv2 Videocapture Frame Matrix

These are the things I tried but nothing seems to work yet pip install opencv-python OR python -m … Read more I Can't Install Opencv For Python On Windows After Trying Out Almost Everything

Im usign python and opencv to get a image from the webcam, and I want to know how to draw a circle … Read more Draw A Circle Over Image Opencv

I want to upload an image on Google Cloud Storage from a python script. This is my code: from oauth… Read more How To Upload A Bytes Image On Google Cloud Storage From A Python Script

I am working on ubuntu 16.04 and using a USB 2.0 webcam. I want to decrease the frame rate somehow … Read more How To Decrease Frame Rate Of Usb Webcam 2.0 Using Opencv Python

I was trying to normalize a simple numpy array a as follows: a = np.ones((3,3)) cv2.normalize(a) … Read more Normalizing While Keeping The Value Of 'dst' As An Empty Array

Hi I have a set of images of size 200x200 and I want to divide these images into 10 blocks of size … Read more Divide Images Into Blocks And Compare Each Corresponding Block

Edit Anybody with a similar problem - I found another SO answer here with a great python solution t… Read more Layer Image With Opacity Over The Top Of Another Image. - Opencv

Can someone please tell me what is wrong with this code? I keep on getting a NoneType error. I am t… Read more Attributeerror: 'nonetype' Object Has No Attribute 'ravel'

I'm trying to threshold an image using Otsu's method in Opencv: Although when I threshol… Read more Otsu's Method Thresholding Making A 'shroud'