How to determine the similarity of face images?
Hi everyone,
I have 3 face images of a person with different facial expressions namely sad, happy and shocked. They all have different backgrounds and lighting environments.
Now I captured a photo of the same person by using the webcam.
- How can I determine which facial expression is that photo corresponds to?
- What transformations or filters should be applied to the images before the matching is done?
Thanks a lot!