identifier "FaceRecognizer" is undefined OpenCV 3.0.0
Hi Friends I need to use the following code via OpenCV 3.0.0 but it's not accepted by compiler and this error appears, In fact, when I use OpenCV 2.4 it doesn't appear and it can be detected. I don't...
View ArticleWhat classifier and algorithm would you use to detect the cars in this image?
Exactly as the title says, I'm trying to detect the cars in this image. What detector/classifier would work best?
View ArticleKalman filter compile error
ı found a kalman tutorial from http://opencvexamples.blogspot.com/2014/01/kalman-filter-implementation-tracking.html when ı build this codes, VS 2012 gives me **error C2100: illegal indirection** about...
View ArticleDocumentation - KeyPoint class
Hi, I have a question about the documentation of the KeyPoint class. see files: - core/include/opencv2/core/types.hpp - core/src/opencv2/core/types.cpp Background: i was looking for a way to convert...
View ArticleImage Transformer (Fourier Transform App for Android)
This application (Image Transformer) is created using Qt and OpenCV for Android and it is intended to be used by image processing and machine vision enthusiasts, researchers and university students...
View ArticleError in Opencv stitching project
(/upfiles/14449968823861101.jpg) I'm building the Opencv stitching project by adding the...
View ArticleInformative 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 -...
View ArticleFindContours() application has stopped working
Hi,i am using opencv3.0 on Microsoft Visual Studio2013 .I used a lot of function from opencv but when i call findcontours() application crash .I need some help about how can i solve this.Thank you.
View ArticleSVM model fails to load in Android Application
I have a problem with load() method in SVM module. For example if I run code: try { Uri uri = Uri.fromFile(new File("file:///android_asset/SVM_Bills.xml")); mySvm.load(uri.getPath()); int in =...
View ArticleOpencv 3.0 hog.cpp sample code crashing at gpu_hog->detectMultiScale(gpu_img,...
Hi there, I am running opencv 3.0's sample code hog.cpp for people detection, using the GPU. (the CPU part crashes for me). when I run the sample code, the code compiles, but when I run it, it crashes...
View ArticleHow do I interpret the information in the location output matrix from...
This may be a stupid question, but when I run cuda::findMinMaxLoc it produces a 1x2 32FC1 Mat for "location". Apparently this somehow contains information about the locations of the min and the max,...
View ArticleWhat is the gpu::DisparityBilateralFilter based on?
According to the OpenCV documentation, the DisparityBilateralFilter is based on the following paper: Q. Yang, L. Wang, and N. Ahuja. A constant-space belief propagation algorithm for stereo matching....
View Articleabout houghcircles
if its gauranteed youll always have a single large blob and nothing else in a binary image, can you use houghcircles to determine how much like a circle that 1 large blob is? what would be the best...
View Articlehow to install opencv python in windows xp?
how to create PYTHONPATH and add libraries.
View Articlecannot create StereoBM object
I am trying to get disparity maps from a pair of webcams when I try to initialize a StereoBM object using one of these StereoBM sbm; //or StereoBM sbm(); //or StereoBM sbm(BASIC_PRESET, 16*5, 21); it...
View Articlemingw error with python bindings
Hi there, How can I solve this error while making OpenCV3? build/x86/mingw/modules/python2/pyopencv_generated_ns_reg.h:1429: error too many initializers for 'ConstDef'...
View ArticleFAST Response is 0
I am using 2.4.10 and the FAST keypoint response is always 0. Is this fixed in later releases? Additionally, If one were attempting to economize resources and improve matching, it would be prudent to...
View ArticleRigid body motion or 3D Transformation
I have a set of 3D points in camera space and I wish to transform them to world space. I have R and t for my camera. I can make my own transformation matrix [R|t] and gemm this with a matrix of my 3D...
View Articleapproach to face detection in video (variable sizes and 3/4 turns)?
Hi All, I'm wondering if there are any available cascades trained for video? I'm looking for the way to blur multiple faces on a video and struggling with making it work with cascades that come with...
View ArticleStitching class in OpenCV-Python bindings?
Hi, is stitching class yet part of the OpenCV-Python binding? I have been trying to look for it in Python bindings for OpenCV2.X and OpenCV3 as well but very less has been documented about that. Did...
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