I wanna install opencv with the vcpkg. But I as I search for opencv with : vcpkg search opencv and see this output opencv 4.8.0 ...

I'm new to opencv and I try to generate a video file from a set a jpg pictures. This works fine if I use ffmpeg : ffmpeg -y -r 60 -i capture.%d.jpg -c...

I am implementing a real-time image segmentation solution in Python, with OpenCV for video capture and frame processing. The goal is to segment specif...

I try to run the first example of opencv with Visual Studio 2022, which is given on opencv's doc page, but it always return the WARN: can't open/read ...

I'm using the SimpleBlobDetector C++ OpenCV code as an example for finding blobs. Since I want to know the value of each search criteria of the blob (...

In Python 3.7 I read an png image with opencv and convert it to an jpg image stream. How can I determine the number of bytes of the stream? image=cv2....

I used OpenCV and yolov8 to detect instance segment with webcam. Currently, I'm working on detect and find the specific point from detect object throu...

I would like help with using OpenCV for Android (Git: https://github.com/CarlosHe/OpenCV-Android-Firemonkey), Contours example. I don't know how can I...

I have a image with only text(always in white color) in it and i want to copy the text from it to another image. Below is the image with logo and imag...

I have the following image: I want to detect the edge of the document placed on the table in the image. I tried the following code (the earlier appro...

I am attempting to detect an ArUco marker on my image, but OpenCV is not detecting the marker. I believe it may potentially be because of low resoluti...

i know this question has been asked before but i can't understand their explanation. i am completely new to coding , help if you can. here is my file ...

I want to compress image in-memory using python. Using this code from answer https://stackoverflow.com/a/40768705 I expect that changing "quality para...

I have set of images taken from right side of object like image1. I need to rotate it about vertical axis and change it tobe like image2. Is that af...

I want to use OpenCV in Python to apply a specific threshold to a grayscale image in a similar manner to OpenCV's cv2.THRESH_TOZERO, but with the par...

I would like to calculate the intensity of I(x,y)/Io(x,y). First, I read my images using rawpy because I have .nef files (Nikon raw). Then I use openc...

Sorry, the original image cannot be uploaded due to some security reasons. The following is a schematic diagram: original image： my goal： Current si...

I have the following sample image: where I am trying to locate the coords of the four corners of the inner scanned map image like: i have tried with...

I have two cameras and a coordinate system defined by stickers placed on my floor. I'm attempting to use an opencv stereo camera setup to calibrate ea...

I'm using org.openpnp:opencv:4.7.0-0 in a Java maven project (Java version 17.0.6+10-LTS) and I'm loading the library as recommended for Java > 12 via...

I want to start a new project in C++ with Bazel. To build OpenCV I want to use foreign_rules_cc. I have followed some tutorials, but I have not been a...

I am working on an Android app where I am already using OpenCV, I got a model which is in onnx format from YOLOv8 after conversion. Here is the output...

the problem I'm facing currently is related to my code which is being developed to follow a black line. Currently my code function by creating a conto...

Using optical flow, I am trying to detect the motion of a coil attached to a motor. When the motor starts, coil runs smoothly but sometimes it starts ...

I'm trying to use opencv to perform subsequent image transformations. I have an image that I want to both rotate and translate while keeping the overa...