I'm using a v4l2sink in gstreamer to tee a video stream that I can access in OpenCV. This works when I open the videocapture device and get frames, however at s
I've update from Ubuntu 14.10 to 16.04 yesterday and right now I've tried to run my old python + opencv files but every file with opencv gives the same error:
I'm new to the world of opencv and few days ago I tried to install it. I installed everything and moved the cv2 file from opencv to python 2.7. I tired oving bo
I am going to record video but it's not working public void startRecord() { if (preVideo()) { mRecorder.start(); } isRecording = true; } p
On a Ubuntu 18.04 machine I am trying to use opencv 4.1.2 facedetect in a gstreamer 1.14.5 pipeline but unfortunately the plugin is not installed. I downloaded
I need to normalize the histogram of an image f which mean to applicated an transformation of histogram from image in order to extend the range of value of f to
I'm trying to create a convolution kernel, and the middle is going to be 1.5. Unfortunately I keep running in to ideas on how to do that. I'm trying to create s
Goal and problem I'd like to set up an opencv system to process either HLS streams or RMTP streams, however, I am running into a strange issue regarding a redu
When I run this code: import cv2 image = cv2.imread('screenshoot10.jpg') cv2.imshow('input image', image) gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY) edg
I am training a convolutional neural network, but have a relatively small dataset. So I am implementing techniques to augment it. Now this is the first time i a
I have a fingernail dataset and in these images they have different background colors as below image. I need to covert all those image's background color to on
I am looking for suggestions to make this algorithm run faster. Using C# and EmguCV (a managed wrapper over OpenCV), I am processing images in real-time, adjust
How can I pipe openCV images to ffmpeg (running ffmpeg as a subprocess)? (I am using spyder/anaconda) I am reading frames from a video file and do some process
I have issues comprehending how the filter2D method of the the OpenCV library actually works. The "standard" direct version for small kernel sizes is clear, but
Currently, I am working on an OCR project where I need to read the text off of a label (see example images below). I am running into issues with the image skew
I use python cv2 module to join jpg frames into video, but I can't add audio to it. Is it possible to add audio to video in python without ffmpeg? P.S. Sorry fo
I have a multi-page .pdf (scanned images) containing handwriting I would like to crop and store as new separate images. For example, in the visual below I would
What is the best way to convert RGB image to RGBA in python using opencv? Let's say I have one array with shape (185, 198, 3) - it is RGB and the other is a
I have this image of a statue. I'm trying to find the top, bottom, left, and right most points on the statue. Is there a way to measure the edge of each side
I am new to computer vision and haven't really went through any tutorials on thresholding or blurring or other filters. I am using the below two piece of codes