How to read a reference image automatically from the images folder when an input image is given for finding smile detection.

I'm doing my project in smile detection using ELM classification with Sift flow etc.. Since I'm new to this kindly any one help me. Thank you

Answer 1

[Image Analyst]

Check the published articles here: http://www.visionbib.com/bibliography/contentspeople.html#Face%20Recognition,%20Detection,%20Tracking,%20Gesture%20Recognition,%20Fingerprints,%20Biometrics

21.3.6 Facial Expressions and Emotion Analysis and Description
    21.3.6.1 Face Expression Recognition and Analysis, Facial Expression Analysis, Facial Expressions
        21.3.6.1.1 Face Expression Recognition for Human Comupter Interaction
        21.3.6.1.2 Applied Face Expression Recognition, Specific Expressions
        21.3.6.1.3 Three-Dimensional Face Expression Recognition and Analysis
        21.3.6.1.4 Face Action Units for Expressions and Motion Analysis, FAU, FACS
        21.3.6.1.5 Facial Feature Tracking for Expressions
        21.3.6.1.6 Face Expression Recognition from a Single Image 
    21.3.6.2 Emotion Recognition from Face Images
        21.3.6.2.1 Emotion Recognition, from Other Than Faces 
    21.3.6.3 Facial Expressions, Overviews, Surveys, Data

Find a paper, and code it up. I don't have code for any of the papers, but you could ask the authors.