Top "Opencv3.0" questions

OpenCV (Open Source Computer Vision) is a library for real time computer vision.

How to convert CvMat* to cv::Mat in OpenCV3.0

In opencv2.4.10 which I used before, conversion from CvMat* to cv::Mat can be done as below. CvMat *src = ...; cv::…

c++ opencv3.0
opencv creat an input text box in a GUI and read it

Just wondering if there is any command in OpenCV to create an input "Text box" or"Edit text box" for …

c++ user-interface textbox opencv3.0 editbox
How to read/write a matrix from a persistent XML/YAML file in OpenCV 3 with python?

I've been trying to read and write matrices to persistent file storage (eg. XML) with anaconda's current cv2 (which I …

python xml opencv persistence opencv3.0
Finding CheckerBoard Points in opencv for any random ChessBoard( pattern size not known)

Well, OpenCv comes with its function findCheckerboardCorners() in C++ which goes like bool findChessboardCorners(InputArray image, Size patternSize, OutputArray corners, …

c++ opencv image-processing computer-vision opencv3.0
Convert a single color with cvtColor

I have a color that I want to convert to a different color space. Is it possible to use cvtColor …

c++ opencv opencv3.0
opencv clahe parameters explanation

I would like to know proper explanation of the clahe parameters i.e clipLimit and tileGridSize. and how does clipLimit …

c++ opencv opencv3.0
Opencv detect changes between two photos taken by different time

We have one original image / photo of the item. (ie sculpture). Time to time we are taking new photos of …

opencv image-processing opencv3.0 opencv3.1
OpenCV 3 Tracker won't work after reinitialization

I have issue using OpenCV 3 tracking module for tracking. It behaves same, either I use interface class (cv::Tracker) or …

initialization tracking opencv3.0
Maintaining code compatibility between OpenCV 2 and OpenCV 3

My library currently uses OpenCV 2. Now, I am trying to compile the library to use OpenCV 3. It seems that some …

c++ opencv opencv3.0
OpenCV AttributeError module 'cv2.cv2' has no attribute 'Tracker_create'

I have tried to run this code but get an Attribute Error. Any help would be greatly appreciated. import cv2 …

python python-3.x opencv opencv3.0 cv2