javascript - How to make QR readers recognize my generated QR code? -

i'm researching idea have app , needs ability scan qr codes. i'm totally new qr codes , have been looking online while , can't find answer.

say on app have users, these users can add pictures account , append qr code single picture.

my question is, how generate random qr code users image , how give other users ability scan generated qr code navigates them corresponding image ?

i presume have save qr code kind of server app can connect users can recognize code when scanning.

side note: ill using javascript/html/css code app :)) phonegap compile mobile use

for qr code generation/read can use qrcode generation libraries. ( ex : qrgen zxing)
you can find properties of user uploaded image , use properties generate qr code. (ex: histogram based values)
there should mapping code(property) used generate qrcode , user information. (ex: sqllite datebase)

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