Abstract: The method and apparatus for providing motion control signals between a fixed lens static camera and a PTZ camera that includes an adjustable-in-use focal length adapted to provide improved surveillance. In one aspect of the present invention, the improved method and apparatus includes an improved PTZ process in which fuzzy logic based information is utilized to achieve a set of more reliable P/T/Z parameters. In another aspect of the invention, the fixed lens static camera and the PTZ camera are mounted vertically on top of each other. In another aspect of the present invention, there is provided an automatic self-calibration between the fixed lens static camera and the PTZ camera. In another aspect of the present invention, there is provided a cost-effective standalone single board DSP solution.

Abstract: A method for representing audio data in a format that can be merged with video data, where the audio data includes a sequence of audio information elements. The method includes replacing each audio information element in the sequence with a unique corresponding color from a color palette.

Abstract: A method of producing a stream of digital data. The method includes determining a plurality of portions within the stream of digital data, such that a portion of the stream of digital data is encrypted with an encryption key that is capable of being decrypted by a decryption key and the portion including therein another decryption key capable of decrypting a subsequent portion of the stream of digital data, and the subsequent portion of the stream of digital data is encrypted with another encryption key that is capable of being decrypted by the another decryption key. The method also includes transmitting the stream of digital data, including the portion and the subsequent portion.

Abstract: A method of detecting occurrence of an event. The method includes comparing a first compressed frame size to a later compressed frame size to determine the occurrence of an event.

Abstract: The present invention provides a distributed surveillance system that allows for the digital storage of data, as well as the recognition of external patterns obtained in parallel operations. Further, digital data can be stored at different levels of compression, and pattern recognition achieved while the digital data is still in its compressed form.