Distinguishing horse faces
I've built an automatic horse feeder for my horses, and am working on the software for it. The goal is to identify which horse is at the feeder and use that to get how much food to dispense. I've got...
View ArticleShape Transformers and Interfaces
Hi, I was trying to make use of the new Shape Transformers and Interfaces. Unfortunately it doesn't work as expected. To ensure not making any fancy warps and getting strange results cause of that...
View ArticleHow to run faceDetect faster
Hi i'm a newbie in opencv , i want to run the code faceDetect.cpp in sample folder on a raspberry pi 2 overclocked to 1GHZ , i'm using faceDetect.cpp to detect face and eye gaze the program is a little...
View Articlecore.hpp: no such file or directory on Raspberry PI
I am trying to run the following program on a Raspberry Pi using OpenCV but getting a > opencv2/core.hpp: No such file or directory I am compiling using the following command: g++ -o draw draw.cpp...
View ArticleHow to form data for SVM training OpenCV3
I am trying to write utility for training svm classifier for image classification in OpenCV3. But I have Floating point exception (core dumped) error during training process. My main problem is that I...
View ArticlePeculiar observations with Opencv BackGroundSubtractorMOG2 module —...
I am using the BackGroundSubtractionMOG2() from Opencv-3.0.0 inside Python-2.7.x. I am observing something peculiar. That is, when I create the BackGroundSubtraction object and apply it to the first...
View ArticletrainSVM out of memory
Im training the defaultPeopleDetector.yml in windows on the IRNIA data set. Im am using the default settings for trainSVM and the code provided in the example and its throwing an out of memory error....
View ArticleIt can't be treated with a sample program.
I have NVIDIA GeForce GTX 980. I have installed OpenCV-3.0 and configured with WITH_CUDA=(Checked), CUDA_ARCH_BIN=5.2, CUDA_ARCH_PTX=(Blank) by CMake3.3.0 and Visual Studio 2013 Community(64bit). When...
View ArticleAdd book link on OpenCV page
Hi, I'd like to know how to add a book information on OpenCV book pages: http://opencv.org/books.html My information would be the following: "OpenCV 3.0 Computer Vision with Java"...
View ArticleTrainSVM convert_to_ml error
Hi, I am attempting to train the defaultPeopleDetctor for the HOG person C++ example. I get an out of memory error at the convert_to_ml stage. /* * Convert training/testing set to be used by OpenCV...
View Articlelibopencv_hal.a doesn't exist
I'm trying to install iai_kinect2 package on ROS inside catkin_ws. When I **make** catkin_make, I encounter the following error: > CMake Error at>...
View ArticleHow to add light color to original image
Hello, Does anyone know how to color a light red color into the original image source in opencv C++ coding ? The image as below  TQ
View ArticleGet Frame Over RTSP using Opencv and gStreamer
My aim is to get frame from ip camera over rtsp and apply motion detection. I had OpenCV 2.4.9 in my machine and I tried to get frames from the ipcam by using VideoCapture class. But I get "error...
View ArticleKeypoints and Descriptors in SURF
I'm new to openCV i m currently working on stitching algorithm. In step1 the key points are detected using SURF detector, 1)which key points are detected by SURF? 2) the argument uses...
View ArticlefindHomography of 3D point clouds
I'm currently working on an image recognition software. At the moment I'm working with 2D planes and I use "findHomography" with RANSAC to validate the initial feature matches. Next I want to use 3D...
View ArticlefindHomography vs. pnpsolver
In my image recognition software I use ORB features and "findHomography" with RANSAC to validate my initial feature matches made by a Flannindex. With OpenCV 3 I consider to switch to AKAZE features....
View ArticleIs there any method in Java OpenCV can save the video?
Hi All: Can someone help me on saving the video stream from the ip camera into video file in JAVA language?
View ArticleFind angle and rotation of point
hi , i want to find the angle. i find the following code can anyone explain me its meaning. here why p0,p1,p2 are being findout. what is the meaning of (ux*vx + uy*vy) / sqrt((ux*ux + uy*uy)*(vx*vx +...
View ArticleOpencv highgui module in windows 10
Hello. I Built opencv 3.0 master branch from source using cmake and visual studio 2013 community version. Aditional support was enabled for CUDA and VTK. Everything built fine, but when I call...
View ArticleCamera Preview slow on Android OpenCV +possible bottleneck found
So I noticed since a long time and wondered ever since why (on multiple devices) using JavaCameraView (not doing any processing just displaying preview images from camera), the smoothness of the camera...
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