OpenCV multi-threading frames on Android
I am doing some work with OpenCV on Android. My code was all on the Java interface and its performance was very bad, so I implemented almost all the image processing with JNI. So on Java I have:...
View ArticleChoose The Correct Mini Fridge For Your Needs
Best Worldwide Cafe in Denver: The Dish Bistro 400 E 20th Ave, Denver, CO, 80205 (303) 863-7473 - The motto of The Dish Bistro is "Delicious Comfort Meals.with a Passport." This motto sums up what you...
View ArticleTale Borne Hack Cheat Personal trainer Device Tips Gems Gold Android IOS...
Mobile Strike Hack is the initial title to be posted by a business contacted Impressive Battle. Do not ever worry for being disallowed, Mobile Strike War and Unity Hack V6.20 consist of anti...
View ArticleNon-rectangular face extraction with openCV
Using this code I can get a rectangle of a face: std::vector faces; //-- Detect faces face_cascade.detectMultiScale( frame_gray, faces, 1.1, 2, 0|CASCADE_SCALE_IMAGE, Size(200, 200) ); How can I get...
View ArticleCholesky function in opencv
Hi, I want to have cholski decomposition of a matrix. In opencv doc is [here](http://docs.opencv.org/3.1.0/db/de0/group__core__utils.html#gac8d860b8a49bf2ed304b1c82acb916e5) and I think [this...
View Article3.1 build for "armeabi-v7a with NEON" fails
On my OSX machine I added -DANDROID_ABI="armeabi-v7a with NEON" to the cmake command in platforms/scripts/cmake_android_arm.sh When I now execute make -j5 in build_android_arm directory I get...
View Articlehow to get camera frame whitout showing it on activity windows
Hi, So a got a problem with the use of "implements CvCameraViewListener2". If anderstoud that we need to setContentView of the activity if not we cannot get the frame on onCameraFrame. My probleme is...
View ArticleDetect faces more accurately in ~180 degree fisheye camera image by...
With a fisheye lens that's about 180 degrees, the goal is to help ensure the best accuracy in detecting the presence of faces (especially near the edges) by first undistorting the image. I understand...
View ArticleUsing opencv c++ code in android studio
I want to use the following automatic white balance function http://docs.opencv.org/3.0-last-rst/modules/xphoto/doc/whitebalance.html But I am new to android and I don't know how to convert it to use...
View ArticleLong exit from program (long runtime exit). after save SVM opencv it is take...
I used SVM in OpenCV 3.x and after save SVM, the program takes long time to exit: Ptr td1 = TrainData::create(trainingDataMat, ROW_SAMPLE, labelsMat); svm->trainAuto(td1); cout << " save svm"...
View ArticleCan't make CameraGLSurfaceView works on Android
Hi, I'm trying to run the example from this link: https://github.com/opencv/opencv/tree/master/samples/android/tutorial-4-opencl The project compiles fine, but when i run the application on my Sony...
View ArticleCamera exposure returning -6.0 regardless of actual exposure
The following code always prints -6.0 regardless of if the camera is pointing at something bright or something dark. Any ideas why it's doing this and how to fix it? I tried the laptop-integrated Dell...
View Articleface detection improve
first i want know how much face angles change, haarcascade can detect faces?(because that seems haarcascade is very sensitive to angle) i want real time detect faces to 20 degree maximum and if no...
View ArticleHow can I find the max distance in multiple points
How can I find the max distance in multiple points? The result should be including the two points and the distance. Is there a function to do this in opencv OR I have to implement one by my own?
View ArticleParameters in the cv2.calcOpticalFlowFarneback() function
Hello, I'm currently working on tracking objects and I've been reading tutorials like this: [Optical...
View Articlecap_vfw no more working on win10 / opencv3
since migrating to win10, CAP_VFW seems no more working. i still get a dialog box, prompting to choose a camera, but VideoCapture(-1); or VideoCapture(0|CAP_VFW); does not open. can anyone side this /...
View ArticleGetting errors while detecting circle
**I want to detect blue circles and it's center from the video captured using my webcam. That's why I formed the following code given below: (I am using OpenCV 3.1.0 and PyCharm as an IDE and Anaconda...
View ArticleWhat would be the best detectors for retail packaging on Android?
Given a set of packaging matches that numbered few enough to be completely downloaded to the Android device, what would be a good approach for detection / classification? My first thought was...
View Articleopencv-2.4.13 compilation failed in openSUSE Leap42.1 64 bit
Hello! I was installing opencv-2.4.13 in openSUSE Leap42.1 64 bit. The "make" operation stalled at 63% for "utils+Converters-jdoc.java" showing error > [ 63%] Generating utils+Converters-jdoc.java,...
View Articlecmake error for opencv-3.1.0
Hello! I was trying to make opencv-3.1.0 in openSUSE Leap 42.1 64 bit. While I was making cmake, I found an error reporting: > -- ICV: Downloading ippicv_linux_20151201.tgz... CMake Error at...
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