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Shape Transformers and Interfaces 2

Hey, s.th. in this Shape Transformer Interface seems to be buggy. Maybe also see my [former Question](http://answers.opencv.org/question/69384/shape-transformers-and-interfaces/) The following code...

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Remove all background and show only words for OCR

So I am currently working on OCR with tesseract-ocr, the problem it does not recognize the words with a green background. So I need to do pre-processing by making the background completely white and...

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Getting NCV assertion failed error NCV stat=28

![image description](/upfiles/1443797527902358.png) ![image description](/upfiles/14437873097625542.png) Kindly help with this error, I am not able to detect any videos as its crashing at the start.

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how I can generate opencv-300.jar by install opencv3.0.0 on centos.

I followed the instructions on the user guides to install opencv3.0.0 on centos, I installed successfully finally,but I can't find opencv-300.jar anywhere in my system. Did anyone meet this problem?

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LBPH FaceRecognizer Chi-Square distance

I’m using the LBPHFaceRecognizer and I understand from reviewing bug 3514 that the correct Chi-Square distance should be CV_COMP_CHISQR_ALT. However, the only Chi-Square distance available in the...

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Fail to link ippcoremt.lib with OpenCV provided library ippicvmt.lib

Hi, I am using Visual Studio 2015 community edition. My application are using Intel IPP 8.2.3 so I have to link with ippcoremt.lib. After upgrade to OpenCV 3.0 I need to link to the library...

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cv2.imread() cannot read gifs

I installed OpenCV 3 using Homebrew and linked it to my Python installation. I'm following through this basic tutorial:...

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HSV Thresholding Difference between ImageJ and OpenCV

I use ImageJ before using OpenCV functions because in ImageJ I can use their interactive HSV thresholding tool to get the HSV parameters I want to threshold using OpenCV functions. After using ImageJ...

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GOPro Wifi compatibility with opencv 3.0.0

I heard from many sources that OPENCV does not work well with video live feed. However, I came across this link https://gist.github.com/GOROman/6248503 cv::VideoCapture cap(...

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Livefeed video is not moving

I am using the TS351 and RC305 Vtx set with EasyCap capture card to transmit the video i captured back to the computer for processing. However the video in the video window always stop after some time....

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svm : create a new instance

I am a novice to the opecv 3.0- SVM. Facing the following problem. Thanks in advance for the help. How can I create a new SVM instance? Can I use the 'new' operator in C++? If I use Ptr mysvm1 = new...

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SVM derived class

I am trying to create a derived class from the Opencv3.0 SVM in the following way and I get an error. Can anyone suggest a solution for this? Thanks in advance. class MyClass: public SVM { ----- } int...

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cv2.findContours error: (-215) step[dims-1] == (size_t)CV_ELEM_SIZE(flags) in...

i tried to find contours for image it make error i using python 2.7 openCV 2.4.7,2.4.11 my code is ------------ import cv2 import numpy as np img = cv2.imread('star.jpg',0) ret,thresh =...

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Detect red pimples on face using openCV

How can I detect and count how many red pimples there is on people faces using openCV(C++). For example this face has approximately 23 pimples: ![image description](/upfiles/14438798293787401.jpg)

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Issue in compiling and importing opencv 3.0 in python

Hi, I am a beginner to openCV and am trying to use python-openCV 3.0 . I performed the following steps to to import and use opencv in python. I am using python 2.7 , 32-bit on windows 64-bit operating...

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Texture Matching using LBP/H? C++

I have a question about LBPs, but firstly let me explain what I am trying to do. I am trying to match coins using LBPs. I have an input coin and I want to compare it with other coins and see if the...

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Informative websites related to OpenCV

i think it will be useful if we add links of informative websites related to OpenCV here. Lets create a list together. - **C ++** - http://www.bogotobogo.com - https://github.com/MasteringOpenCV/code -...

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Face recognition using haar classifier:How to train and compare with stored...

Hi friends I'm gonna create a simple face recognizer. In fact I can detect the face using haar classifier, but I want to compare it with a stored image in my file in order to determine that the...

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Trained model for OpenCV structured edge detection

Hi, Does anyone have a working trained model for this OpenCV implementation? I used the provided script to convert the model downloaded from https://github.com/pdollar/edges, but it seems that it does...

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What is "convexityDefects" in opencv ?

Hi , i am implementing a hand recognition system using opencv , i found that i must be using "convexityDefects" : what i have understand from this page documentation :...

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