Face Recognition System

Database:
Use AWS S3 to store pictures and use dynomaDB store the output of the match result.

Face Recognition Api:
 version1: AWS Rekognition   
 version2: Face Compare
 
 Server: Lambda
 
Others: Api Gateway


Client End:
1)Client can post their pictures to AWS S3 as the source pics they want to match to.
2)Client can use a camera on the phone to take a picture and match the pics in database.

Server End:
Use the AWS Face Compare to compare the source pic and the pic user uploaded. It will return the simility as the compare result 
which is between 0-100. Th higher, the better.
We set a filter to similit. If the result is samller than 50. Sys will set it to 0 which means doesn't match.