How to detect the Licence plate?
I am trying to detect the number plate in an image. Usually licence plates in my country are black texts with white or yellow background. So, I detect these colors from an image. But my algo gives me...
View ArticleHow can I change the following functions to opencv in java verison
Mat src = imread(argv[1], CV_LOAD_IMAGE_COLOR); Mat padded; int padding = 5; padded.create(src.rows + 2 * padding, src.cols + 2 * padding, src.type()); padded.setTo(Scalar::all(255));...
View ArticleOPenCV Customized issue
Hi all, I have customized opencv 2.4.9 to support extension unit in it. I used the opencv dll's to generate new EmguCV dll's for my project. After generating the exe , its working fine in my PC , i can...
View ArticleReproject3D: Where is exactly the origin of the point cloud?
I am asking which point is the reference point of the Reprojection-Matrix Q or rather the xyz-data. There are to my mind two possible options: 1. The origin of the xyz-data lies in the optical center...
View ArticleOpenCV is built with CUDA but gpu::getCudaEnableDeviceCount() returns 0
Building OpenCV, the cmake output is> General configuration for OpenCV 2.4.11 ===================================== Version control: unknown Platform: Host: Linux 3.13.0-79-generic x86_64 CMake:...
View ArticleVS 2015 C++ imwrite exception 0xC0000005
Dear all, I am new to OpenCV and tried to create a simple opencv application using OpenCV31 under Visual Studio Community 2015. I created a C++ Win32 console application, here is my code: >int...
View ArticleComparing two images if they are the same
I'm trying to compare two images using bfmatcher, however it is not working. The program is about comparing speed limit signs and see given speed limit sign is particular speed limit sign. I have given...
View Article[Solved] Background MOG Substractor unreferenced - OpenCV 3.1.0
Hi , I am here because i do not come up to use a MOG background substractor with OpendCV 3.1.0 I don't know if it is an include probleme or anything else. I followed this official tutorial...
View ArticleUnable to load my first opencv file
$ g++ `pkg-config --libs --cflags opencv` -o cv2 cv2.cpp /tmp/ccuiICVX.o: In function `main': cv2.cpp:(.text+0x23): undefined reference to `cvLoadImage' cv2.cpp:(.text+0x36): undefined reference to...
View ArticleOpenCv with Cuda - (CUDA driver version is insufficient for CUDA runtime...
I am trying to run the CUDA GPU Toolkit 7.5 built with OpenCV 3.1.0 . My graphic card is : Nvidia Quadro FX 5800 . Driver version : 341.92 (Latest available version for the same) Nvidia classifies my...
View ArticleAngle and Scale Invariant template matching code for python
Hello, I found angle and scale invariant template matching code, but not for python language... Have anybody got it? I will be very grateful !
View ArticleIdeal Image Parameters and Features for Object Detection
I'm building a cascade to detect electrical outlets. I've gone through the 3 or so available tutorials, which are helpful. What I haven't found and am still unclear on is what are the ideal traits of...
View ArticleAttributeError: 'module' object has no attribute 'cascadeclassifier'
i was using python with opencv and i was getting error Traceback (most recent call last): File "C:\Python27\sastra", line 5, in face_cascade=cv2.cascadeclassifier('haarcascade_frontalface_default.xml')...
View Articlehaarcascade_eye_tree_eyeglasses seems to be broken
trying to build the example found on http://docs.opencv.org/3.1.0/db/d28/tutorial_cascade_classifier.html#gsc.tab=0 on my Mac OSX opencv 3.1 application hangs when I try to run it using String...
View ArticleWhere's the lib folder in opencv-master?
I'm following a book written for the older version of OpenCV (OpenCV 2 Computer Vision, by PACT) and it tells me to include the lib folder in my Visual Studio 2013 Property Manager when creating a new...
View Articlestatic link fails with "multiple definitions" error
hi there I am trying to compile opencv 3 statically on windows 7 64 bit using MinGW TDM 64 bit version. I use cmake and i check off the "shared" option before I begin the compilation. During...
View ArticleHow to obtain probability estimates from RTrees classifier in OpenCV 3.x?
I am using OpenCV's implementation of [Random Forests](http://docs.opencv.org/master/d0/d65/classcv_1_1ml_1_1RTrees.html#gsc.tab=0) to classify some data. It appears to be working well, but I would...
View Articlerotation rate from image stream(please help)
Hi, I have little experience with OPENCV, but have always been intrigued by it. In the hopes of avoiding any pitfalls, I would like the input of experienced users before I start learning/hacking. My...
View Articledistribution of color in 3d coordinates and diagonal of bounding box
As the title says I want to find the diagonal of bounding box of the ab-plane from an `RGB` to `CIELab` transformed image. I am not really sure how to achieve this but my fist idea is to get the...
View ArticleHow to include OpenCV source code in C++ project to make it portable?
In my C++ project I use (3.1) OpenCV Mat for (only) storing and operating matrices (thus only the **core** module is used). Now I would like to make the code portable: if a user (running Linux or...
View Article