How to properly convert a byte array to a matrix?
I've posted a question on Stack Overflow just before the weekend. The gist of it is that I want to change the the bytes from the `onPitctureTaken()` to a OpenCV matrix, but my app freezes when I try to...
View Articlehow can i find my model of KNN
I am a new in Opencv I used Nearest of Opencv to train my app (android app) to detect user activities I already trained my data but unfortunately i couldn't find the generated model of the algorithm...
View Articlemosaicing a sequence of overlapping images
I'm trying to generate a mosaic from a sequence of overlapping images. I thought that a possible approach could be to loop over each image, find matching points and mosaic the first 2 images, then use...
View ArticleReal time Text Detection ?
Hi, I am trying to build an android application which will detect the text from scene in real time and mark the region of the text. Does anyone knows how to get started with this ??
View ArticleLooking for an annotated car database
Hello, I am looking for an annoteded vehicle database as seen by **overhead camera** (from a certain height, at an angle, like from a camera mounted on a lamp post). Most databases that I can find deal...
View ArticleHow's cv::DescriptorMatcher::match working in detail?
I'm looking at some quite confused (at least for me) openCV code and questioning myself how it's working. The question starts...
View ArticleCannot identify device '/dev/video0' - video reading OpenCV 3.1
Hello, I'm trying read the video from a camera connected to my computer using OpenCV. I tried this first test, and I got the following error message : "GStreamer Plugin: Embedded video playback...
View ArticleHow to fill the inner gaps of each part and segment to different parts
I wanted to fill the inner gaps and segment these three points either. I couldn't use morphology methods because like erosion because it makes inner gaps larger. Actually I was thinking of geometry...
View ArticleSVM model fails to load!
Hello, I trained an SVM model and save it in xml file, everythink look good. but when I load the model I print the getvar vaule its equal to 0? The model file looks fine to...
View Article(Best) way to track a circle with a cross inside
Hi, I am currently trying to find a solution on how to track a specific target which looks like this:  It is just a circle with a cross inside. I am using...
View ArticlefindEssentialMat for coplanar points
[this is a copy of a [question I just posted on StackOverflow](http://stackoverflow.com/questions/36844139/opencv-findessentialmat)] I came to a conclusion that OpenCV's findEssentialMat is not...
View Articleopencv with windows form application (Visual Studio 13 GUI) c++
how can I write the following code in windows form application in Visual studio, not QT? I want to make use of GUI and make an interactive application that executes the function on click. I searched...
View ArticleDe qué manera ligar a una mujer el inconveniente número uno en hallar la...
Ya antes de darte el contenido sobre Como Ligar A Una Mujer , hay algo que debes saber y hacer desde el día de hoy si deseas tener lo que realmente te convenga, en materia de mujeres…Una de las...
View ArticleОбщая хроника появления азартных соревнований
Азартные забавы с давних пор выступали незаменимым свойством нашей цивилизации. Свидетельством тому считаются несметные находки историков, в частности, кости, обнаруженные в царской усыпальнице, а...
View Articleopencv different results on win vs linux
I ran the same code on windows and linux. But the results are totally different. First, I used adaboost to learn the model. On win, it runs well. On linux, when training adaboost, there is an error:...
View Articleface recognition using OPENCV in c/c++
hello everyone, i am new in opencv i have just installed opecv for ubuntu 12.04 desktop only and now i have to start in face recognition process can u tell me from where i want to start??
View ArticleHow can I upgrade OpenCV from 3.0 to 3.1?
I am using OpenCV with Python. I need to upgrade my OpenCV from 3.0 to 3.1 (I need the dpm modules insinde opencv_contrib). How can I do this?
View ArticleContour opencv bigger than contour of threshold ?
Threshold image : [C:\fakepath\thresh.png](/upfiles/14616560554974494.png) Contour image: [C:\fakepath\contour.png](/upfiles/14616560954501138.png) This is my code: public class Test1 { public static...
View ArticleTHRES_BINARY & THRES_BINARY_INV border
With image white background and black character foreground + When I use adaptive threshold with thresh_binary_inv then border around character is exact. + When I use adaptive threshold with...
View ArticleMissing feature detectors/descriptors/adapters in OpenCV 3
While transitioning my code to OpenCV 3, I noticed that several feature detectors/descriptors/adaptors are missing from OpenCV 3. Some of those are: - DenseFeatureDetector -...
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