OpenCV Error: Assertion failed (channels () == CV_MAT_CN (dtype)) in copyTo,...
Currently am working on real_time_pose_estimation for 3d objects: 1.successfully compiled and executed model registration 2.when comes to model detection compiling is successful but throwing above run...
View ArticleColacan detection using Opencv for Android
I am trying to detect cola can by using opencv and android. I want to detect which one is cola or fanta or sprite in coke machine. What should I do for detecting cola and fanta?Which steps shoul I...
View ArticleBest method to recognize currency notes
Hi, I am quite new to OpenCV therefore excuse me if I ask silly questions. I am working on an android project to recognize currency notes to help blind people. I have been using Cascade Classifiers....
View ArticleError clahe opencv 3.0 undefined reference to symbol
Hello. Before ask here I tried http://answers.opencv.org/question/46755/first-example-code-error/ but didn't solve the problem. This is the code i'm using: >'#include "opencv2/imgcodecs.hpp">...
View Articlehow can I measure seconds of eyes close/open ?
I am working 'drowsy driving detection systems' .I use python with opencv. But I have a problem.I dont know to measure seconds of eyes close/open. How can I solve this Problem?
View ArticleCaptured frame RGB to YUV and Reverse
I have this code which is a bit of old but it was used to convert RGB to YUV but for me doesn't work, i am using c++ and MVS2013 and opencv to make this happen, i want to capture the RGB frame convert...
View Article[OpenCV]How to get the number of camera
1. How to get the total number of camera? 2. The following is my code, but i find that it will make the memory leak int CvCaptureCAM_DShow::getDeviceCount(){ int deviceNumber = VI.listDevices(true);...
View ArticleIn the sticther class of opencv LOGIN function in the information output where
I think it is log files, but in the folder and did not find the corresponding log file, I would like to know where the output on the content
View ArticleSort detecting object
Hello everybody, I'm really new with OpenCV and I'm trying to sort invoices with logo detection. I have 2 directories : the first one owns logo database and the second one has invoices This is my...
View ArticleIn real_time_pose_estimation( samples given in opencv 3.1.0) no errors but...
1. Registered the 3D textured model of the object to be detected in a .yml file .[keyPoints.png](/upfiles/14818095612197492.png) 2. Storing the 3D information...
View ArticleHow can I connect to an ip camera using java in android eclipse?
Dear users I'm trying to connect to an ip camera using opencv android 2.4 in eclipse. I read some resources but I couldn't find any clear code to do it. can someone help me?
View ArticleopenCV 2.4.9.1 sample creation works but gives error message
Hi everybody, I am currently working on training my own haar classifier. So here is my problem, As I start the creation of the .vec-File, opencv_createssamples prints following error-message: >...
View ArticleHow to start with neural network implementation with Opencv and C++??
I want to train for face Recognition Problem. I want to test it with Neural Network and want to compare it with the result obtained from PCA+SVM. Problem is some how like this:- 2. 4 persons . I have...
View ArticleCannot find Brief DescriptorExtractor OpenCV 3.1
This is my Python code: import cv2 import numpy as np img = cv2.imread('image.jpg') gray= cv2.cvtColor(img,cv2.COLOR_BGR2GRAY) star = cv2.xfeatures2d.StarDetector_create() brief =...
View ArticleHow to add OpenCV as a Python dependencies?
Hi there, I've created a program that relies on OpenCV. What is the best practice for making it a dependancy for my program? Do I simply add OpenCV to the setup.py or would I have to include the C++...
View Articlelinked list iterate within main for loop impacts face processing
Hi everyone. I'm using the following facerecognizer example. http://docs.opencv.org/2.4/modules/contrib/doc/facerec/tutorial/facerec_video_recognition.html Within the for loop in the main() function, i...
View ArticleI want to get the bright area of my picture(opencv3 Blob Detection)
- I am using opencv3, - and I want to "circle" the bright area of the picture I read by using - Blob Detection> Be more specific, I want to "circle"> **the biggest red area.**  any help i'd be glad
View Article