Strange XML file behaviour
I trained the svm classifier using the following code and it gave me wrong classification and when i looked at the saved xml file, i found strange contents. Only one vector is in the xml file and the...
View ArticlePublish SIFT or SURF at playstore?
Hi, I've search everywhere about this. Can I publish my application that's using SURF or SIFT detector at Google playstore? If I should pay for the license, do you know who to contact or the official...
View Articlein android, onCameraFrame never been invoked again
In my android app, I use openCV as eye tracking input. in the same activity, I set media player as the surface view to play a video. after media player running, the onCameraFrame never being invoked...
View ArticleHello every one , i am currently working on a project in android i need to...
I am working on a project where i have to identify the distance between an object may be that can be a vehical and i have to count distance between the mobile and that object how should i do that?
View Articlejava.lang.NullPointerException when I use HOGDescriptor.compute(frame,...
I'm trying compute `HOGDescriptor` from a frame on android with openCV 3.2.0. Before I have made it in python and it's working. When I use it on android i have error:> E/AndroidRuntime: FATAL...
View ArticleGet person from image
Hello Community, I have a requirement for Android App that if a user select an image from gallery or take a photo from camera, and if there is a person in that image it only returns the person image...
View ArticleAndroid Opencv EM Fatal Error
I'm trying to use **EM::predict2(sample, probs)** to predict if a pixel is part of a leaf or not; however, I'm getting the error:> CvException> [org.opencv.core.CvException:>...
View ArticleIs it possible to send as a parameter the number of features to detect in SURF?
I need to detect 200 features for several images to process. FeatureDetector featureDetector = FeatureDetector.create (FeatureDetector.SURF);
View ArticleAndroid Canny problem No implementation found
Hi, I am trying to modify application "Second sight" from the book Android Application Programming with OpenCV 3 first camera (app works fine ). (Android 7.0 OpenCV 3.3 ) I am using...
View Article/ libc: Fatal signal 11 (SIGSEGV), code 1, fault addr 0x0 in tid 17552
I am using OpenCV 2.4.11 in Android Studio and when using SURF it shows me A / libc: Fatal signal 11 (SIGSEGV), code 1, fault addr 0x0 in tid 17552 Why it happens? FeatureDetector fD =...
View ArticleDNN performance on mobile platforms
Hi, I'm in the process of deciding whether to run my tensorflow model on iOS and Android using OpenCV's dnn module vs directly with tensorflow. Advantage using OpenCV would be that I don't need an...
View Articlelibopencv_java3 library not found
I have downloaded the opencv sdk which contains libraries for all architectures except x86_64 I needed libopencv_java3.so file for x86_64 which is used in...
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