Patent ID: 8934024
Filing Date: 2015-01-13
Classification: H04N

Abstract:
1. A computer-implemented method for streaming a content of a display screen, the method being performed by a mobile device, the method comprising: capturing a video frame including the display screen using a camera of the mobile device; detecting an area within the video frame corresponding to the display screen; processing the video frame based on the detected area, by deskewing a portion of the video frame by changing boundaries of the detected area to unwarp the portion of the video frame; locking coordinates of the detected area in a lock mode to form a reference frame, wherein, during the lock mode, detecting the area within the video frame ceases, changing the boundaries of the detected area no longer changes, and the reference frame is presented as a preview image in a corner of a screen of the mobile device, wherein the method further comprises aligning subsequent frames to the reference frame, and detecting a change in a pose of the camera and, upon the detection of the change in pose, exiting the locked mode and re-detecting an area within the video frame.