Calculate 3D position from stereo Images
Hi, I have two images taken with a stereo-camera setup (calibrated). I detect markers in both images using the aruco contrib module. How can I calculate the 3D position of the markers edges from the...
View ArticleOpenCV convexhull points coordinates
Hello, I'm trying to get all the points coordinates (X and Y position) of a hull which the program finds. For instance, if a rectangular hull is found, all of his bounding points (which are drawn by...
View Articlehow to add image on face detection live video...?
in this question how to add tranparent image in live video detected face ?? and how to set pixal in image....
View Articleimpossible de decode my buffers
I have converted an Android image into an unsigned char* buffer about to use imdecode to store it into a opencv Mat. But it's impossible to correctly show the image. I always have some Access Violation...
View ArticleBackward binary compatibility reports
Where can I find binary compatibility/API changes analysis reports for the OpenCV library?
View ArticleNew sg investigator Info
More and even more jobs require its employees to be effective in excess of 40 hours every week which means late nights with the job. Look at his cellphones address book and caller logs. They don't even...
View ArticleFast and Reliable fees detectives
You needn't accept cheating only to do not be alone. I downloaded a cellular phone monitoring app onto his phone and I saw which he ended up spending his 'work' evenings at restaurants, the theater and...
View ArticleMat and imread memory management
Hey there, I am looking for the "best practice" to save a lot of images of type cv::Mat in the cache. Is it okay if I just push_back them in a vector< Mat > and get back as soon as I need them?...
View Articlehow to retrieve all coordinates of pixels of specific colour in an image.
Hello, I'm new to OpenCV and I'm trying to retrieve the coordinates (preferably in numpy array) of specific colour in my image. I have four different colours in the image and want extract all the four...
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Menjelang kegiatan Bhayangkara Kaca 2016 terakhir melibatkan Arema Cronus...
Madura United mentor, Gomes ÆŠe Oliveira, diterima pemain yang cantik terganggu mental pada rekening sanksi. Jadi, dia berlanjut pada berusaha untuk menghidupkan kembali yang jiwa Bayu Slot â…¾an rekan...
View ArticleLooking for sg private detective
Look to the next installment where we provide advice and hope with the betrayed spouse. I downloaded a cellular telephone monitoring app onto his phone and I saw which he ended up spending his 'work'...
View Articlehire investigators
If everything has not been running nicely and also you feel that your particular marriage is around the brink of ending it, don't stop trying so easily and blame everthing for you. Hire an internet...
View ArticleRead latest live image from webcam, not from queue?
Hi all, I've been running some speed tests of a webcam-based opencv program and I was surprised to find that a bottleneck seems to be due to cap.read() behaviour for live cams. My cpp code runs every...
View ArticleBody detection using haarcascade
I am trying to detect body from images using haar cascades. I am using python code in order to do so, my code is the following: import numpy as np import sys import cv2 body_cascade =...
View ArticleHow to display point data in a visually appealing way?
I have an image where I have identified a points of interest. Each point has an associated 0-100 value with it. I would like to display the data in a manner that would show trends. A couple thoughts I...
View ArticleWhat is the best method to match face features against a database?
## The challenge I'm trying to replicate the experience from this campaign, but in realtime: - http://www.gettyendlesspossibilities.com/ ## What I have now - I'm able to detect faces and (somewhat...
View Articleprogramm freezes when calling cvtColor() or HoughCircles() maybe bug ?
Hi, im new to opencv ... I use Android Studio 2.1.2 and opencv 3.1.0 opencv is running, i checked with static { if (!OpenCVLoader.initDebug()) { Log.d(TAG, "OpenCV not loaded"); } else { Log.d(TAG,...
View ArticleCan't install open cv IOS due to error in "world" modules
Hi the command I ran was this: ./opencv/platforms/ios/build_framework.py ./opencv/build --contrib ./opencv_contrib and the result I get was below: The following build commands failed: CompileC...
View ArticleWhy is ORB algorithm border reflection necessary?
So I'm working on an implementation of OpenCV's ORB keypoint algorithm (not the descriptors, just keypoints). My implmentation produces key points VERY close to the original, but something's a bit off...
View ArticlefindChessboardCorners returing false boolean value?
I am using findChessboardCorners function to find the corners in a chessboard image.  When I am executing the function on this image, I am getting an...
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