Code experiments related to computer vision & cinema posts on my blog at tylerhenry.com.
Mostly using OpenCV and openFrameworks.
Contains Histogrid class: uses OpenCV calcHist to generate histograms for subsections of an ofImage. Written in openFrameworks v.9.0 / XCode 7
uses addons: ofxCv and ofxOpenCv
Updated, more complete SIFT implementation than SIFTtest (see below).
Written in openFrameworks v.9.0 / XCode 7
uses addons: ofxCv and ofxOpenCv
Related tutorial
SIFT Implementation in OpenFrameworks, Part 3
Updates over SIFTtest:
- SIFT implementation placed inside SIFTMatcher class
- added keypoint filter to sort out good keypoint matches
- added homography transformation to
calculate 3D warp of query image to train img
First test of SIFT algorithm to match features between two images.
Written in openFrameworks v.9.0 / XCode 7
uses addons: ofxCv and ofxOpenCv
Related tutorial
SIFT Implementation in OpenFrameworks, Part 2
Intro tutorials
Test of optical flow analysis using Farneback algorithm from OpenCV (through ofxCv) Written in openFrameworks v.9.0 / XCode 7
uses addons: ofxCv, ofxOpenCv and ofxGui
Display local motion in video as a flow field, and also:
- average motion per frame (red line in video center)
- average motion per clip (red line on left)
- track of average motion per clip (blue dot and path)
** Related tutorial**
