Enabler of self-snapshots/video for devices with rear-cameras
Original Publication Date: 2003-Nov-25
Included in the Prior Art Database: 2003-Nov-25
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The integration of cameras in mobile devices allows a new dimension of interaction capabilities. Pictures and videos can be taken on the road and then sent directly via wireless connections to friends. Camera-enabled devices can be divided into devices including a front camera and devices without a front camera. In this case, the user can view on the display only contents grabbed by the camera situated on the rear side of the terminal. This way, a self-picture/video becomes very difficult to be recorded, since the user cannot be in front of the camera and at the same view the content being recorded. This approach solves the lack of information for the user by indicating if he/she is on the scope of the camera or not. This is done by means of detection of the user's face in the grabbed video sequence. If a face is detected on the video, it will be signaled to the user. For providing this functionality, a special face localization algorithm is used. The detection of the face is connected to a system sound which indicates to the user that he can now press the snapshot button and take the self-picture. If other optical indicators are available on the rear or side of the device, they can be switched on in addition.