OpenCV Q&A Forum - RSS feed

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android app dead

January 27, 2016, 4:27 am

Hello, i ported image processing java code from a java server side to an android project, i also added an opencv android lib to the project. The android project compiles and starts, but the app dies...

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error: cannot find -lippicv

January 27, 2016, 4:13 am

I have tried to create a simple application with QtCreator and was trying to compile the application I have installed opencv 3.1.0. In the compilation it is giving the error. what is the issue. Anyone...

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eye detection area result is bigger than normal

January 27, 2016, 10:15 am

Hi I have a strange eye detection result , the rect around the eyes are very bigger than actual eye region Can you help me to make it normal ? here is what I'm getting ![image...

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Unable to build opencv for iOS using terminal in MacOS System

December 24, 2015, 3:37 am

Until downloading using git is fine, but when I tried to build the opencv I am getting the below error. $user: OpenC cmc1$ python opencv/platforms/ios/build_framework.py ios Executing: ['cmake',...

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Does not work with iOS 9

November 8, 2015, 8:29 am

How to make opencv 3.0 work with iOS 9? Using Xcode 7.1 and El Capitan on iMac. Bitcode enabled or disabled makes no difference. Tried older framework version, which worked in the past. Says it is not...

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compareHist threshold

January 27, 2016, 12:05 pm

Hi at all!!! I'm doing a comparison between two different images but I have a problem to set the threshold for three color: blue, green and red. Could anyone tell me how I set these thresholdes? Below...

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Why You May Not Want To Jump Onto That Midsection Training Bandwagon--...

January 27, 2016, 1:28 pm

If you're searching for your first corset (or Second, or 100th), please visit us, Bodice Connection, for a fantastic option of corsets for waist training! Additionally, you must look into Caring for...

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The Big Data Effect acessível Marketing

January 27, 2016, 1:41 pm

Big data, quite literally, is projected to be the next �big� thing. We're all about big data right now. Big Data is the ocean of data now available to businesses via the social web, machine data and...

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beginner_with_dataset

January 27, 2016, 6:27 pm

Hi, Please I'm asking about dealing with dataset, for example if I have many files with (PGM format) and others xml but speaking frankly I'm still new to the OpenCV so I was wondering how I can deal...

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error_storing contour

January 27, 2016, 9:36 pm

Hi everyone, I'm trying to run the code below but it is not responding it suddenly triggered a breakpoint (I'm running it on x64) so plz can anyone show me the error? do you get the same error? int...

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How to save detected edges in dwg/dxf formats

January 27, 2016, 10:54 pm

After edges has been detected using Open CV-Visual Studio is it possible to save in dwg/dxf format?

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how to improve the accuracy of face recognition

January 28, 2016, 12:42 am

Hi, I want to test the code about face recognition below on the page http://docs.opencv.org/2.4/modules/contrib/doc/facerec/tutorial/facerec_video_recognition.html Compiling was successful. So I made...

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Is PyramidAdaptedFeatureDetector gone in OpenCV 3?

January 28, 2016, 1:09 am

This question was already asked [here](http://stackoverflow.com/q/35003851/807307), but received no answers. I have an OpenCV 2 C++ program which makes use of [`PyramidAdaptedFeatureDetector`][1] (used...

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Are my Points coplanar?

January 28, 2016, 2:14 am

Hi, A while ago I worked on pose estimation. I also asked a question about it to make it work. ([old...

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What is: JavaCPP, JavaCPP Presets, JavaCV, desktop Java

January 28, 2016, 2:31 am

Dear List, What are the main differences between these three libraries? Basically, I want to use an OpenCV Java implementation for pattern recognition in satellit imagery. I am not a computer...

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Earth Mover's distance with specified cost matrix and one column signatures.

January 28, 2016, 6:10 am

It is documented that if I want to use EMD with only weights stored as columns in the signatures I can do that given that I also give a user defined cost matrix. Well, my problem is that it doesn't...

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Output tracked variables into a Text File

January 27, 2016, 4:14 pm

Hello! I'm new to this whole software so if my question has been asked before or has a super obvious answer I'm sorry. I'm using the Open Source Tracking software to track the movement of a zebrafish...

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OpenCV projectPoints jacobian matrix is not correct

January 28, 2016, 5:23 am

We compared the Jacobian matrix coming from projectPoints in OpenCV 2.4.11 against the one we have provided with matlab code (we have written the projection formula exactly based on the OpenCV source...

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Trying to set the width and Height to 3840 X 2160 does not work on some...

January 28, 2016, 8:13 am

I am using INOGENI HDMI to USB3 to capture 4K images from a camera on Windows 7 platform. The application works on some machines and not on others. OpenCV version 249 on Visual studios 2010 The...

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background substraction in near infrared imaging?

January 28, 2016, 8:27 am

Is there any different between the methods for color image?

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