I can not load xml file
Hi. i want write face detection in opencv by c++ (in vs 2012) but i have problem to load xml file.i uploaded xml file in solution project and give relative address to load xml file but can not load...
View Articlehow to save image from mat object
I want to save the image in .jpeg format using th camera inside on camera frame function
View ArticleOpenCV 3.1 in android development
Hi All, I have just started to work on android app development in Android Studio. I have installed Android Studio 2.2, Android SDK and Android NDK, plus OpenCV4Android SDK package as well. Everything...
View ArticleOpenCV4android template matching
Hi. I'm using OpenCV4Android to try out template matching on an android phone. Essentially what I'm doing is taking a picture of some object that I wish to detect, cropping it and saving it as a...
View ArticleCalculating numstages numpos numneg
Hello Everyone, I'm new in to OpenCv and Cascade training. How can I calculate -numstages -numpos -numneg. My .vec file contains 6 positive Samples. And i have 129 negative Images. Can you help me...
View ArticleHow to convert vector to homogenous
I tried converting to Mat but it doesn't work. I don't know how to use vectors because there is not Point4f. This is the error I get if I use matrix input and output of converttohomogenous OpenCV...
View ArticleUninstalling opencv previous version
I have install opencv 2.4 before and now I'm trying to install opencv3, it seems the installation process goes without problem but when I try to get opencv version with cv2.__version__ it still gives...
View Articleopencv3.1.0-dev ?
check this site from openCV its saying the version as "3.1-0-dev" , is this a different version than the one I have installed and if yes where can I download it or is it a matter of just the right...
View ArticleKey-Frame VO Key-Point Data Fusion
I have a key-point based visual odometry routine which accepts as input an RGB-D frame. Successive image are tracked to each other and a cumulative rotation and translation is maintained. In this...
View ArticleHow to use Homebrew to install both OpenCV 2.4 and OpenCV 3.1 for c++...
I need to install OpenCV 2.4 on my Mac for a new c++ project, but I already have OpenCV 3.1 installed for my old c++ projects with Homebrew. Are there any ways to manage the use of two version of...
View Articlecant find 'BackgroundSubtractorMOG2' opencv3.1.0
sorry after closing the previous thread I tested and I can't find the "'BackgroundSubtractorMOG2'" module ? I have the MOG and GMG in the sv2.bgsegm though. [root@hadoop1 scripts]# python Python 3.3.3...
View ArticleHow to compare two contours Translated from one another?
 Hi all, I want to compare two contours & find the hausdorff distance between them to find the similarity between the two contours. When I take...
View ArticleWhy You Should Buy Google +1 Votes, Pinterest And Instagram Followers?
In the snapshot posted Feb. 13, Madonna is photographed by way of back as she dons black lingerie and fishnet tights. Inside of accompanying caption, Madonna explained that she was during editing...
View ArticleHow to convert seven segment numbers into normal numbers?
I want to take a picture of a seven segment number system and want to convert the the reading in that image to numbers. I want to use this numbers for another processing. Please help... Thanks in advance
View ArticleHow to subtracrt one image from another image?
If i subtract one image from another image which are merely same then i want output as 0. plzz..
View ArticleCreate A Www.paypal.com Login You Can Be Proud Of
" This will submit your question to Pay - Pal customer service, and also you should receive a reply within 24-72 hours. Pay - Pal is surely an e-commerce website that one could use to deliver and...
View ArticleMuhoozi Kainerugaba Uganda Fruit
The U.S. has a well toned aviation business, but a lot of countries overseas have a little aviation business that is now general Muhoozi Kainerugaba developing. To start with let's remember that all...
View ArticleChessboard detection fails on fisheye image
I am trying to perform calibration for a fisheye lens using the omnidir module. I am finding that the chessboards are not detected on many of the calibration images. For example, here is an image that...
View ArticleCan't we load an image in binary directly??
We can load an image in grayscale directly right. What about binary. Do we have to convert it into binary after grayscale only??
View ArticleText To speech in openCv using C++
actually this is the first time to post a question on stcakoverflow. I have a question about opencv. right now I am working to develop a program takes an attendance using face detection and face...
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