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Windows Compilation mtx not std

hi, i'm trying to install the OpenCV on windows 7 but I'm reaching an error which says mutex and thread is not a member of std. I've downloaded both opencv and it's contribs and unzipped them in the...

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image reading error

error: ..\..\..\..\opencv\modules\imgproc\src\color.cpp:3739: error: (-215) scn == 3 || scn == 4 in function cv::cvtColor Help me out.

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NoneType attribute error, no object shape & omxplayer unable to play video

Hello, I'm trying to get the following working # import the necessary packages from __future__ import print_function from imutils.video import VideoStream import numpy as np import argparse import...

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i cannot use python opencv

when i type import cv2,error occurs like this : ** ImportError: /usr/local/lib/python2.7/dist-packages/cv2.so: undefined symbol:_Z13pyopencv_fromIN2cv4MatxIdLi4ELi4EEEEP7_objectRKT_...

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How to solve this error ?error:...

import numpy as np import cv2 import thread, winsound face_cascade =...

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Non-ASCII character '\xa0' in file

Hi I am a starter in Python and Opencv. I have tried for this code blow for opening a avi file: Code: import cv vidFile = cv.CaptureFromFile("C:\test1.avi") nFrames = int(cv.GetCaptureProperty(...

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Error Python Opencv

Hey, i have a small error "Corrupt JPEG data: premature end of data segment" i don't what is that, My language is Python 3.5

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Distance from camera to object.. The error increasing linearly!

I compute the distance from an object (Chessboard) using OpenCV and my camera parameters following those steps: 1- findChessboardCorners 2- solvePnP 3- ->Distance from the translation vector given...

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Build error Open CV3.2 with Extra Libs.

Hi all, I have a problem to build OpenCV with Extra Libs. OS: Win 7 OpenCV: 3.2 Compile: VS2013 After set path of extra modules in OPENCV_EXTRA_MODULES_PATH, click "configure" The error messages are...

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Error opencv: "there is no opencv_world320.dll on the computer"

Hi everybody! Recently I decided to install the opencv 3.2.0 library in vs 2012, found the installation instructions did everything as it is written in it. But when I try to start the program, I get...

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OpenCV Java Face Trainer Core Dump Error

>> package mainpackage; import>> java.io.File; import>> java.io.FilenameFilter; import>> java.io.IOException; import>> java.nio.IntBuffer; import>>...

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Key-Frame VO Key-Point Data Fusion

I have a key-point based visual odometry routine which accepts as input an RGB-D frame. Successive image are tracked to each other and a cumulative rotation and translation is maintained. In this...

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Error using cv::cuda::StreamAccessor::wrapStream

I am trying to build some third party code that uses the CUDA modules. I am down to one last unresolved external symbol error. Yay! This one, though, i am stuck with. All the cuda code is in a lib,...

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perspectiveTransform Error handler

I use http://docs.opencv.org/trunk/d7/dff/tutorial_feature_homography.html , but i changed SURF to SIFT, but it doesn't matter. Everything works good, but there are one problem: it hasn't error...

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During startap, gives an error in console

Hi. I wrote the program code. The compliler does not give error, but the console throws the following error: terminate called after throwing an instance of 'std::logic_error' what():...

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dft function

I am using the dft function (tried with both real and complex input.... where imaginary part was set to zero). The output of the dft is in a compressed format. 1) how do I convert this into the...

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Error with stereocalibrate function in python

Hi all ! I have a problem with the stereocalibrate function in python although calibrateCamera works well with the same structure of data (e.g. list of numpy arrays). The error is a system error : "...

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ALL_BUILD error when building OpenCV from source

Hello all I am trying to build the latest OpenCV which i downloaded from Github with Visual Studio 2013 on a Windows 7 64-bit machine using cmake GUI.The build options i am using are; - WITH_CUDA: ON...

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why did nvcc report errors in imgproc.hpp?

I wrote a small application which can get information from the camera and process the images with Open Cv functions. There are three files in my project: camera_detect.cu, detecting_functions.cu and...

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Java wrappers for dnn module - missing protobuf headers?

Dear OpenCV team, need your help. I'm trying to generate java wrappers for dnn module. I was able to overcome some of the issues but this one is really cumbersome. I get the following exception during...

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