Questions tagged [opencv]
OpenCV (Open Source Computer Vision) is a library for real time computer vision. When using this tag, please add a language specific tag (python, c++, ...), if relevant.
opencv
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EmguCV/OpenCV Image addition/subtraction
I am using EmguCV and am trying to subtract 2 images to create a filter similar to AForge .NET's MoveTowards filter.
This is what my slightly modified version from the above URL tries to do. Given 2 ...
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OpenCV matrix access produces EXC_BAD_ACCESS
When I run the following program with scalefactory higher than 1.5, the program throws an EXC_BAD_ACCESS.
The program scales an image.
#include <iostream>
#include <OpenCV/cv.h>
#include &...
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how to configure opencv 1.2 in visual c++?
i am trying to do a project in visual c++ using opencv library of version 1.2. but i cannot proceed forward due to the difficulty in configuring opencv 1.2 in vc++.please anybody help me....
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Where can I find these libraries to install in Ubuntu 8.10?
Here is some information saying some libraries are needed to build OpenCV for programming:
-- checking for module 'libunicap'
-- package 'libunicap' not found
-- checking for module 'libucil'
-- ...
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Visual Studio 2008 .exe problem
I wrote a program and when I compile and run it in Microsoft Visual Studio 2008 it works.
I learned that there is an exe file in the projects folder. I found in "project name"->debug folder. When I ...
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OpenCV K-Means (kmeans2)
I'm using Opencv's K-means implementation to cluster a large set of 8-dimensional vectors. They cluster fine, but I can't find any way to see the prototypes created by the clustering process. Is this ...
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How do I create an OpenCV image from a PIL image?
I want to do some image processing with OpenCV (in Python), but I have to start with a PIL Image object, so I can't use the cvLoadImage() call, since that takes a filename.
This recipe (adapted ...
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Searching a C++ Vector<custom_class> for the first/last occurence of a value
I'm trying to work out the best method to search a vector of type "Tracklet" (a class I have built myself) to find the first and last occurrence of a given value for one of its variables. For example, ...
- 6,023
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OpenCV Multi-Threaded Thread Message
I am writing a program using .Net 3.5 and OpenCV 1.1. I have multiple threads that need to get an image variables from the web camera on my computer, the problem being I get memory violation errors ...
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Adding libraries to Visual Studio problem
Can someone link me a good guide for using libraries in a c or c++ project?
Right now I'm trying to add OpenCV to a newly created project. I've added all the directories I can think of in "Project ...
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About installing the open cv library
sir,
I have tried my level best to install open cv library 2.2.0 version.but it has'nt suceeded
it shows that errors in linking the library hughigh,
whether we wanted to insatll the ipp library prior ...
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OpenCV Multi-thread call
I have made a program that has two threads, soon to be three, that is trying to get an image from a web cam from both threads at the same time. Is there a way to do this or is there a better way to do ...
- 7,565
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Threading with .NET and OpenCV?
I am having trouble getting a thread to work with OpenCV. The problem is with the ThreadStart() part of my code.
public ref class circles
{
public:
static void circleFind(bool isPhoto, ...
- 7,565
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OpenCV Grid Area
I want to find the non-white area of an image from a camera using OpenCV. I can already find circles using images from my web cam. I want to make a grid or something so I can determine the percent of ...
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opnecv tracking dots
i want to put dots to cordinates to a video frame which i determine and track them like opencv sample "lk demo"
i didnt understand the sample. which functions put the dots and track them
thanks for ...
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