opencv

When executing code from the tutorial: static{ System.loadLibrary(Core.NATIVE_LIBRARY_NAME); } public static void main ... quite clear what to do. Download the system library named *411, or install an older version of OpenCV that has version 410?

You need to install opencv on jupyter On my interpreter via pip, I calmly did it. But there are problems with jupyter. conda ... hours searching for information and I start cursing the one the fact that I accidentally came across this article here it is

The program uses cv2, I work in conda. Recently, everything worked fine, but then this error began to occur. I recently start ... ort module = self._system_import(name, *args, **kwargs) ImportError: DLL load failed: Not found the specified module. '''

You need to put a circle on the image, outside of which the image will change color to grayscale, and inside the circle the c ... = img1-41 ax_1.axis('off') ax_1.imshow(ax_1.Img) Who knows how this can be implemented? The first picture in the image: .

The problem is this. I did facial recognition for example. And then-bang! and knocks out an error. And specifically in the me ... is somewhere inside the library. How to solve it? I did everything according to the example that is everywhere. What's wrong?

Worked with OpenCV in C++, now it's time to do it on android. How to properly connect an old C++ project to JNI?

Hello everyone Periodically, there is a need to recognize the table and extract information from the cells. Tell me, pliz, wh ... threshold(imgray, 127, 255, 0) image, contours, hierarchy = cv2.findContours(thresh, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)

I try to pull out the outline of the object contours from the photo, but I get an error: Ret,thresh = cv2.threshold(img, ... tam = len(contorno) cv2.drawContours(img,contornoGrande.astype('int'),-1,(0,255,0),2) cv2.waitKey() cv2.destroyAllWindows()

What is available? Some array of photos on which there are cables attached to a white stand (one of the copies will be atta ... the stand borders each time. Are there ready-made solutions for such cases? If not, how can this be solved? Photo instance:

Given an image, you need to find the length of the circle on it, I tried to do this using opencv-python by coordinates , but ... h of this arc, please tell me how this can be done using built-in datasets, for example, something like finding the letter C.

Good afternoon, your help is required, you need to determine the color of the shape and the direction of the arrow from 0 to ... cv.drawContours(img, [box], -1, (255, 0, 0), 2) cv.imshow('contours', img) cv.waitKey() cv.destroyAllWindows()

There is a filtered image without unnecessary noise. There are problems with finding the object in the image even on a black ... the coordinates of the object, but the coordinates of the area in which the NON-black color prevails. I hope for your help

I need to go through all the pixels of the image. What libraries can I use to do this?

I'm trying to make a configuration in CMake to try the Surf handle in OpenCV c++, but CMake throws an error calib3d core ... cmake/OpenCVModule.cmake:370 (_assert_uniqueness) modules/CMakeLists.txt:7 (ocv_glob_modules) What could be the problem?

If you perform a Gaussian blur on an image (OpenCV, function - GaussianBlur ()), it will be considered as a binarization of the image? That is, we can say that GaussianBlur () = = binarization? Or not? (sorry for the stupid question)

There is a scan of the document in pdf format. How to recognize text in a certain area of such a document, more precisely, a digital number?

I have writes error: AttributeError: partially initialized module 'cv2' has no attribute 'VideoCapture' (most likely due to a ... cv2.imshow('frame',gray) if cv2.waitKey(1) & 0xFF == ord('q'): break cap.release() cv2.destroyAllWindows()

I need to find out the color of any pixel (let's say in chrome) and for example output it (256.256.256). How can this be implemented?

I make a screenshot using the PIL library of a section of the screen: I need to determine the balance from the screenshot. I ... ptions) If there are simpler solutions, then you can use them (preferably without OOP and browser scripting is not suitable)

I have two programs for recognizing triangles in a photo, but they don't work the way I want them to. The essence of the prog ... utting name of polygon along with the shape cv2.imshow('polygons_detected', img) cv2.waitKey(0) cv2.destroyAllWindows()