Add my face recognition in rails app

I have one app where i have a scaffold with a register of peoples with photo, but for me search if the people have your datas registered in my system i need use face recognition for read face in web camera and read the photos of database and if search the people return your personal datas, how i can make this in rails ??? Im begginer with rails.
I need to implement this as soon as possible in my system, but I couldn't find anything on the internet very specific.

Thanks for the help. https://one2step.net

I am not a very literate person on the subject but a colleague at work did the following in the security system where we are working if I am not wrong I think it is an AJAX system, the fact is that it has a face and movement registration, but what What he does is that each time a new visitor enters, he asks for his name and age and with that he creates a record for anyone who requests his data wants to delete them or needs to be given their information with those two data they do it the truth then I ask that about rails but so far he has made the job easier.