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Recent questions tagged opencv

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Problem: Asked few friends but no solution, please help >X error baddrawable invalid pixmap or window parameter 9
asked 1 day ago Sawyer Parviz 13.2k points
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Problem: Need an answer for this >The application was unable to start correctly (0xc0150002)
asked 3 days ago Chi Omega 13.6k points
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Problem: I could not find a version that satisfies the requirement cv2. Help me.
asked 4 days ago Irenka Kiri 17.9k points
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Problem: I have no idea how to fix this, thanks. > Unable to connect to server by using windows powershell remoting
asked May 4 ochena 23.3k points
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Problem: I have already installed CMake by pip install cmake in my VS Code 1.35 and trying to install face_recognition but it still give me a RuntimeError. I'm using 'Python 3.7.3, x32' I also tried to install the dlib by pip install dlib since ... new and really a beginner in using python and tried different suggestions from other questions. Hope that somebody will notice my question. Thank you!
asked May 4 anika11 32.2k points
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Problem: I'm trying to process a video file on the fly using OpenCV 3.4.1 by grabbing each frame, converting to grayscale, then doing Canny edge detection on it. In order to display the images (on the fly as well), I created a Mat class with ... is the difference between these displays? The data is obviously there, as evidenced by the separate windows. Why only the original frame is misbehaving?
asked May 3 muktaa 34.6k points
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Problem: I am new to opencv and python as well as tesseract. Now, I am creating a script that will recognize text from an image. My code works perfectly on black text and white background or white text with black background but not in colored images. ... of codes and methods on image preprocessing via opencv but failed to get the result. Image binarizing, noise reduction, grayscale but no good.
asked May 2 anika11 32.2k points
1 vote
1 answer 8 views
Problem: I am facing a trouble while working on a project using CMake (v2.8.12) .CMake (v2.8.12) gives this error: The c compiler identification is unknown visual studio 2015.
asked May 1 PkGuy 23.5k points
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1 answer 25 views
Problem: I am following this guide to build an optimized version of OpenCV for android: https://medium.com/@tomdeore/opencv-on-android-tiny-with-optimization-enabled-932460acfe38 Step 4: I downloaded OpenCV from Github (https://github.com/opencv/opencv) I run: fabio@fabio-XPS-15 ... contain CMakeLists.txt. Specify --help for usage, or press the help button on the CMake GUI. What am I doing wrong?
asked May 1 muktaa 34.6k points
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1 answer 11 views
Problem: I have this client ovpn file like this client proto udp explicit-exit-notify remote PUBLIC_IP 1194 dev tun resolv-retry infinite nobind persist-key persist-tun remote-cert-tls server verify-x509-name server_2CAzflUWmRFturMk name auth SHA256 auth-nocache cipher AES-128-GCM tls- ... I did to break it. I tried also to reinstall openvpn, but don't know how to fix it and let clients connect
asked Apr 30 ochena 23.3k points
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Problem: I am facing some attribute error while running face recognizing the code. My face detects code run perfectly.But while I try to run the face recognizing code it shows some attribute error. I googled and tried to follow all the steps. I get the ... no attribute 'createLBPHFaceRecognizer' Process finished with exit code 1. I am using Windows platform. python 3.6 version.Thanks in advance.
asked Apr 30 muktaa 34.6k points
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1 answer 3 views
Problem: I encountered an error using the NDK way to compile the source code, I will opencv source code copied to the jni directory, prepared Android.mk and Application.mk as well as the source file. Mk file, compiled the following error, please also Give some advice ... generated. make: *** [/home/jiangc/opencv3.3Ndk/hello-jni/obj/local/armeabi-v7a/objs/opencv/core/src/cuda_host_mem.o] Error 1
asked Apr 26 anika11 32.2k points
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1 answer 6 views
Problem: Hello! I am trying to create a facial recognition program but I have a peculiar error: here is my code: gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY) face_cascade = cv2.CascadeClassifier("lbpcascade_frontalface.xml") faces = face_cascade.detectMultiScale(gray, scaleFactor=1.2, ... the working directory so that shouldn't be an issue if it helps when I enter cv2.__version__ I get '4.0.0'
asked Apr 26 anika11 32.2k points
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Problem: Running the code of linear binary pattern for Adrian. This program runs but gives the following warning: C:\Python27\lib\site-packages\sklearn\svm\base.py:922: ConvergenceWarning: Liblinear failed to converge, increase the number of iterations. "the number of iterations.", ConvergenceWarning I am running python2.7 with opencv3.7, what should I do?
asked Apr 26 anika11 32.2k points
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1 answer 8 views
Problem: When i use Cmake3.8.2 to compile OpenCV(the version of my visual studio is 2017),it always has errors as follows: Compiling the CXX compiler identification source file "CMakeCXXCompilerId.cpp" failed. Compiler: Build flags: Id flags: The output was: The system cannot find ... file . i've been confused for several days and it just doesn't work whatever i try. i'm looking for your help!
asked Apr 26 sumaiya simi 43.9k points
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1 answer 5 views
Problem: Can someone please help fix this > The procedure entry point __gxx_personality_v0 could not be located in the dynamic link library
asked Apr 23 ummeshani 10.8k points
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1 answer 13 views
Problem: Does anyone know the solution of it? So kindly let me know ..the procedure entry point _except1 could not be located
asked Apr 21 Ifra 37.2k points
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1 answer 6 views
Problem: Where can I find haar cascades xml files?
asked Apr 16 sumaiya simi 43.9k points
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1 answer 5 views
Problem: get the following message: unable to start correctly (0xc000001d). Click Accept to finish the application Any idea, please?
asked Apr 12 ummesalma 29.2k points
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1 answer 3 views
Problem: Does anyone know about OpenCV in raspberry pi 3?
asked Apr 11 salim1 60.6k points