Automatic photography

Details Automatic photography Automatic photography

2006-04-18

2006-04-18

Ometz, David (Department: 2615)

Television

Camera, system and detail

C348S335000

Reexamination Certificate

active

07030909

ABSTRACT:
Automated camera apparatus comprises a head mounted electronic camera1for providing a video signal3representative of an image2viewed by the wearer, video signal processor51arranged to receive said video signal for judging the degree of interest shown by the wearer in a feature in the scene and for providing a related saliency signal12, the means51including image analyser5for identifying the presence of features and their locations relative to a reference position (e.g. the center) in the frame within each of a series of frames in a time window of the video signal, and track analysis means7coupled to the output of said image analyser for analysing the movement of at least one said feature over said series of frames to provide the saliency signal. As shown saliency signals8are provided for each or selected features identified in the scene and are thresholded in circuit9to provide binary signals10, ORed together at11to provide a two-level or binary saliency signal12which is positive for salient features and zero otherwise. The video signal is delayed4, and the end (only) of a positive saliency signal12is delayed13prior to recording15of both signals. The signal12may be derived in real time or from a video recording. Account may be taken of head and/or eye movement.

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