Top "Feature-detection" questions

Feature detection is a process in computer vision that aims to find visual features within the image with particular desirable properties.

Detecting IE11 using CSS Capability/Feature Detection

IE10+ no longer supports browser detection tags to identify a browser. For detecting IE10 I am using JavaScript and a …

internet-explorer-11 sample feature-detection
Improve matching of feature points with OpenCV

I want to match feature points in stereo images. I've already found and extracted the feature points with different algorithms …

c++ opencv matching feature-detection
Extracting HoG Features using OpenCV

I am trying to extract features using OpenCV's HoG API, however I can't seem to find the API that allow …

opencv computer-vision feature-detection object-recognition feature-extraction
HTML 5 input type=“date” not working in Firefox

I am using HTML5 <input type="date" />, which works fine in Chrome and I get the calendar popup …

javascript html firefox feature-detection
A good approach for detecting lines in an image?

I've written some code that uses OpenCV libraries to detect white lines painted on grass. I need someone's opinion on …

opencv image-processing feature-detection edge-detection hough-transform
OpenCV - find bounding box of largest blob in binary image

What is the most efficient way to find the bounding box of the largest blob in a binary image using …

opencv image-processing feature-detection
Implementing a Harris corner detector

I am implementing a Harris corner detector for educational purposes but I'm stuck at the harris response part. Basically, what …

algorithm matlab computer-vision feature-detection corner-detection
What is a feature descriptor in image processing (algorithm or description)?

I get often confused with the meaning of the term descriptor in the context of image features. Is a descriptor …

image-processing computer-vision feature-detection feature-extraction
Are there any fast alternatives to SURF and SIFT for scale-invariant feature extraction?

SURF is patented, as is SIFT. ORB and BRIEF are not patented, but their features are not scale-invariant, seriously limiting …

opencv computer-vision feature-detection feature-extraction
What is the difference between feature detection and descriptor extraction?

Does anyone know the difference between feature detection and descriptor extraction in OpenCV 2.3? I understand that the latter is required …

image-processing opencv computer-vision feature-detection feature-extraction