my first android app going involve front facing camera, , facial expression recognition. did lot of research, yet couldn't find android libraries involve facial expression recognition. want measure reactions.
i'm thinking must have been done somewhere in app, can point research in right direction? if not in android, perhaps may know of library can port over?
i'd suggest getting android opencv port working first step.
due real-time requirements image processing, of face detection/recognition code you're going see in c++. many systems may use opencv base and/or can cobble reasonable solution opencv's many low-level functions.
the cvcamera sample in there showing how jni/ndk interop works on android can helpful interfacing other code.
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