Laugh detection with Matlab

Instructions

demo.m takes an image using your webcam and tells you if your smiling.
mouthDetector.m searches for a mouth. Shows some approches for feature extraction and segmentation (local threshold).
mouthExport.m Finds mouth and exports its image as black & white. Can be later classified using smileIdentifier.m.
smileIdentifier.m Classify mouth / smile using Principal Component Analysis.
FaceFinder.m Example for finding faces using skin tone segmentation.

Name		Name	Last commit message	Last commit date
Latest commit History 28 Commits
experiments		experiments
images		images
lib		lib
.gitignore		.gitignore
FaceFinder.m		FaceFinder.m
FaceFinderMatlab.m		FaceFinderMatlab.m
FaceIdentifier.m		FaceIdentifier.m
MouthFinder.m		MouthFinder.m
README.md		README.md
TrainMouthDetector.m		TrainMouthDetector.m
demo.m		demo.m
detectMouth.m		detectMouth.m
image_resize.m		image_resize.m
laughDetector.xml		laughDetector.xml
local_threshold.m		local_threshold.m
mouthDetector.m		mouthDetector.m
mouthExport.m		mouthExport.m
plots.m		plots.m
positiveInstances.mat		positiveInstances.mat
smileIdentifier.m		smileIdentifier.m