OpenCV Camshift's tracking window going out of the bounds while tracking a face
void camshift_face(cv::VideoCapture& video) { //Dlib's front face detector dlib::frontal_face_detector detector = dlib::get_frontal_face_detector(); std::string...
View Articlewhen is use the 'Vector' Command, it breaks my code evrytime. Is there any...
Example, Using the command 'vector circles;' breaks the code in the below program #include "opencv2/highgui/highgui.hpp" #include "opencv2/imgproc/imgproc.hpp" #include #include using namespace cv;...
View ArticleHomography Backprojection
Does anyone have any links to tutorials about backprojection and how it can be used to remove outliers when matching features from two different images?
View Articlehow to solved proxy attandance or buddy punching infront of camera?
Hello Everyone, finally i have complete the small sample project on image based recognition using all source material present on this site this is very helpfull to me for understanding and clearing my...
View ArticleHow to solve this error? "AttributeError: 'module' object has no attribute...
I am trying to run the following code: import cv2 import numpy as np img = cv2.imread('images/input.png') num_rows, num_cols = img.shape[:2] translation_matrix = np.float32([[1, 0, 70], [0, 1, 110]])...
View ArticleHow to solve this cvtColor() error? "cv2.error:...
I am trying to run the following code: import numpy as np import cv2 cap = cv2.VideoCapture(0) while(True): # capture frame-by-frame ret, frame = cap.read() # our operation on frame come here gray =...
View Articlewould like to think, is that they force improbable
he motivation behind why most eating methodologies fizzle, as we would like to think, is that they force improbable limitations on how you carry on with your life. Some promoter eating huge amounts of...
View ArticleThe Best Instagram Support
So, you have educated in one or more complementary or alternative therapies and are employing a therapy space or have established one up someplace appropriate in your house. Now, you will want a return...
View ArticleSFM::reconstruct reference paper (from contrib module)
From contrib module, I am using "sfm::reconstruct" to do reconstruction from 2D matches of several frames. [(code I am talking...
View ArticleCopy image using Rect() and copyTo()
I followed the tutorial about dft and it worked. But I tried to remake it to a class. Small changes I did. In the tutorial the are the square if images swapped and I do not want them to be swapped. I...
View ArticledetectMultiScale and HaarDetectObjects
Hello all help me, I took the code from https://github.com/FaceDetect/SURF-Face-Detection there's a problem in line 17 . I have changed "cv.CascadeClassifier.detectMultiScale" but it's still the same,...
View ArticleMeaning of Output of Artificial Neural Network
I have successfully trained ANN. I have tested it with one of the training sample as shown below and it gives me two outputs:- Mat_ output; float out = ann->predict(hists.row(8), output); cout...
View ArticleTrain dataset for temp stage can not be filled
I know that there are other posts asking about the same problem (I read many of them...), but even so I couldn't train the cascade. this is the command I used: opencv_traincascade -data cascade -vec...
View ArticleHow to use opencv in mac eclipse?
I did everything according to the website.I downloaded the files from git repository,build it using cmake, make -j8 and make install but eclipse IDE requires jar files. In mac,only dylib files are...
View ArticleCannot rotate warpAffine character in license plate?
I warpAffine license plate before segmentation but cannot correct incline character. opencv_core.RotatedRect rr = opencv_imgproc.minAreaRect(currentPlate.countor); opencv_core.Point[] pt =...
View ArticleObject recognition performance with ORB
I have a sample project where I am trying to recognize, and draw a box around, a circuit board. Ideally I want the result to be something close to this: https://www.youtube.com/watch?v=-ZNYoL8rzPY I'm...
View ArticleQT 'emit': undeclared identifier error after included
I'm using OpenCV with QT and trying to implement facial recognition but as soon as I include `` from the "contrib" branch, QT complains about `error: C2065: 'emit': undeclared identifier`. I've tried...
View ArticleBackgroundSubtractorMOG2 errors in java
I'm using BackgroundSubtractorMOG2 bmog=org.opencv.video.Video.createBackgroundSubtractorMOG2(100, 30, false) in my java code for detecting movements in a video. Though it shows the movements i get the...
View ArticleHow to read memory-based FileStorage? (OpenCV 3.1)
In OpenCV 3.1, it's either broken or I'm using it wrong. Can anyone either tell me what I'm doing wrong or confirm that it's broken? My code: cv::FileStorage fsWrite("my_tree", cv::FileStorage::WRITE +...
View ArticleFace Detection/ Recognition [OpenCV 3.1.0 With Qt]
Im having a bit of a slow start with openCV and have had some difficulties setting it up and integrating with Qt but am finally in the clear . I would like to know how to detect face in openCV using...
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