!! traincascade: So many people run in this issue: Train dataset for temp...
I spent so many hours on this problem. Searching the openCV forum for solutions and also searching in stackoverflow and google. I tried all advices to fix this issue: "Train dataset for temp stage can...
View ArticleHow to use my cpp project on Android ?
Hi guys ! I finally finished a big millestone on my project [here](https://github.com/BenNG/sudoku-recognizer) but it's not 100% finished. I would like to port my project on android (ios ?) and I need...
View ArticleDoes the resolution of an image affect the distortion co-efficients
What parameters does the distortion co-efficients rely on. If I take an image with 2MP and another image with 12MP with the same camera , will the distortion co-efficients change?
View Articlecan't find cv2 in python 3.4 in linux(raspberry pi)
hello i tried to install openCV on a raspberry pi. i used this "howTo" http://www.pyimagesearch.com/2015/07/27/installing-opencv-3-0-for-both-python-2-7-and-python-3-on-your-raspberry-pi-2/ everything...
View ArticleHow to Increase JPG file size?
I'm getting byte image data from native camera, takePicture and pictureCallBack. And using opencv libraries for rotating, croping and resising. I'm using Bitmap.ComptressFormat and FileExportStream to...
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 Articlegaze display
I'm trying to create a line from a pupil into the screen, pointing in the direction where the pupil is pointing. A gaze detector if you will. But for some reason i can only get the line end that...
View ArticleDetection of the ceiling lighting shape
Hello, I'm new to openCV. I'm looking for a solution for the mobile phone front camera to detect which kind of lighting they have in their ceilings. I'm sure openCV is going to help me to achieve...
View Articlemethod of creating positive images
Hi there, I am creating traincascade file for detecting the bird tail, after reading opencv manual, I created positive and negative images as below. - I generate about 4500 negative images from a...
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 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 to use HOG Descriptor ?
I type `cv::HOGDescriptor hog;` but opencv tells me namespace cv has no member HOGDescriptor. How do I know what files I need to include to use HOG ? I am using opencv 3.1
View ArticleHow to use LBP to visualize results ?
How do I use the LBP and how can I visualize its results ? The guide here http://docs.opencv.org/2.4/modules/contrib/doc/facerec/facerec_tutorial.html doesnt show me how to display the images shown in...
View Articlewhich python version should i install on my system and how.
i have install open cv version 2.4.9 and visual studio 2010 X86,i have windows 8 64 bit system , now i want to configure open cv with python i have tried this lib and software...
View ArticleImage Stitching (Java API)
Hi, I'm trying to stitch two images together, using the OpenCV Java API. I have been following this C++ tutorial here http://ramsrigoutham.com/2012/11/22/panorama-image-stitching-in-opencv/ However, I...
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Top natural Remedies For Hair Loss
If you question a product's validity, all you must do is look up a review to find out what the basic. When people have bad experiences with items like this, they might be very vocal about information...
View ArticleDoes exists a list of compatibles cameras with OpenCV
Hi everyone, i start a project to detect and read cars plate, i´m not shure what camera i had to buy to work with Open CV. I dont want to use a web cam. Thank you all for your time.
View ArticleCan OpenCV be utilized to take dimensions of a shipping package
We are trying to simplify the measurements of shipping packages for UPS & Fedex. Can OpenCV use an image to calculate Length Width and Height of a package from an image taken on a Android Device?
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