Top "Roi" questions

Region Of Interest, a region of an image on which algorithms are executed on.

How to copy a image region using opencv in python?

I am trying to implement a license plate recognition software using the ideas from http://iamabhik.wordpress.com/category/opencv/. …

python image opencv image-processing roi
Copy an cv::Mat inside a ROI of another one

I need to copy a cv::Mat image (source) to an ROI of another (Destination) cv::Mat image. I found …

c++ opencv copy roi
Region of Interest opencv python

I am trying to get a region of an image (ROI) using opencv python. The version of opencv used is 2.4.3. …

python image opencv image-processing roi
OpenCV C++, getting Region Of Interest (ROI) using cv::Mat

I'm very new to OpenCV (started using it two days ago), I'm trying to cut a hand image from a …

c++ opencv roi
crop and Save ROI as new image in OpenCV 2.4.2 using cv::Mat

Working on Face Detection and Recognition, and after successfully detecting a face, I just want to crop the face and …

opencv crop face-detection roi
OpenCV displaying 2 images adjacently in the same window

I am trying to display 2 images horizontally adjacent to each other in the same window using OpenCV. I have tried …

image-processing opencv roi
OpenCV: howto use mask parameter for feature point detection (SURF)

I want to limit a SurfFeatureDetector to a set of regions (mask). For a test I define only a single …

c++ opencv feature-detection surf roi
openCV AdaptiveThreshold versus Otsu Threshold. ROI

I'm tried to use both of the methods but it seems like Adaptive threshold seems to be giving a better …

c++ opencv threshold roi adaptive-threshold
Using ROI in MATLAB

I have a final project in MATLAB and I need help. I build a GUI and display an image using …

matlab roi
opencv/python: Draw image over a webcam stream

Hey everyone I'm trying to make a game using my webcam where I need some objects to fall down the …

python opencv numpy webcam roi