Reduce reprojection error from computed Homography
Hello, I am computing the Homography between two images and using that to estimate the change in camera pose. 1. The images are being taken by a camera rotating about the z-axis(or a purely rotating...
View ArticleVideocapture in opencv 3.0.0 is not reading the video
Hi, I am using opencv 3.0.0 on ubuntu 16.04 with python 2.7.12 in virtual environment. When I am writing the following program, import cv2 import os.path import numpy as np print...
View ArticleCamera pose (pitch, roll, yaw) from observing ceiling from two different...
Until now I was using AR Markers for estimating the angles of my camera mounted on a robot. But I believe there is enough information in corners matched between two images of a planar ceiling taken...
View ArticlePolyscience Smoking Gun ‘Its Full Name Is Bong, James Bong'
Bong Gun dan Hae Bin hampir saja tertangkap ketika bersama di ruang loker, tapi Yeon Yi menyelamatkan mereka. Hae Bin datang ke pertandinga bola Bong Gun dan setelah itu mereka makan malam di rumah...
View ArticleOpenCv2.4.13 + Aruco
Hello, I have problem to compile OpenCv with Aruco 2.0.13, i'ts my first time to use Cmake.! So I put link to Aruco in "Source code", and link to build folder. Configure to VS 2013 WIN64 with Specify...
View ArticleErrors on compiling OpenCV on MacOS Sierra
Good evening guys, I am having an error when I execute the command make -j4 on my terminal. The error is the following: /Users/lucadigiammarino/opencv/modules/videoio/src/cap_qtkit.mm:46:9: fatal...
View ArticleCan anybody provide a nice tutorial on StereoBM class in c++
I want a tutorial right form the basics of dispairity and also what are the various parameters in opencv related to same .
View ArticleMissing aruco contrib functionality when building OpenCV 3.1.0
I'm building OpenCV with contrib, both checked out to 3.1.0, and I'm ensuring the aruco module is built with `-DBUILD_opencv_aruco=ON`. After building and installing, the aruco module seems to be...
View ArticleMethod of 10bit operation
I am going to display UHD 10bit Image on Monitor using Visual Studio 2010 (C++, Unicode Mode), OpenCV 2.4.10 Version. lplImage Structure : pCvMainImage = cvCreateImage(cvSize(3840, 2160),...
View ArticleVideoCapture is not working after building opencv 3.1 in Java
In the first I want to say that if I use OpenCV pre-built JAR and .dll file it works great with out any problem. I downloaded the latest version of needed software and tools for building the OpenCV...
View ArticleCorrelation Implementation
I want to basically write code from scratch to do correlation on a given image with a kernel(without using filter2d function). I am trying to find a general way of correlating image with kernel( mxm...
View Articlegetting rvec wrong pose estimation fails
I'm using the function solvePnP to estimate the pose of my robot by visual markers. Some times I get wrong results in two consecutives frames. In the file problem.cpp you can see one of these results....
View ArticleIs it a good task for a classifier? Result with too many false positives.
These last days I've been working on training a classifier to find some patterns on images. Specifically, those red and blue auras in the next image (however they can take another random color):...
View Articlehow to configuration opencv to visual studio 2010 on windows 64 bit
I want to ask how the configuration OpenCV to visual studio 2010 in Windows 64bit? and every time I enter sourcode always error continues, what was wrong configuration or how? thanks regards 
