System and method of processing audio/video data in a remote monitoring system

• US 20030215218A1
• Filed: 05/14/2002
• Published: 11/20/2003
• Est. Priority Date: 05/14/2002
• Status: Abandoned Application

• Current Assignee: Intelligent Digital System, LLC
• Original Assignee: Intelligent Digital Systems LLC (Visual Management Systems, Inc.)
• Inventors: Chang, Hosung
• Application Number:
  US10/145,058
• Publication Number:
  US 20030215218A1
• Time in Patent Office: Days
• US Class Current: 386/96
• CPC Class Codes: G08B 13/1961 Movement detection not involving frame subtraction, e.g. motion detection on the basis of luminance changes in the image
• CPC Class Codes: G08B 13/19645 Multiple cameras, each having view on one of a plurality of scenes, e.g. multiple cameras for multi-room surveillance or for tracking an object by view hand-over
• CPC Class Codes: G08B 13/19669 Event triggers storage or change of storage policy
• CPC Class Codes: G08B 13/19693 using multiple video sources viewed on a single or compound screen
• CPC Class Codes: H04N 5/76 Television signal recording
• CPC Class Codes: H04N 5/77 between a recording apparatus and a television camera
• CPC Class Codes: H04N 7/181 for receiving images from a plurality of remote sources
• CPC Class Codes: H04N 9/8042 involving data reduction

Abstract

A system and method are provided for processing audio/video (A/V) data provided from multiple A/V sources. The system includes A/V data capture devices for receiving the A/V data, each of which receives A/V data from a predetermined number of A/V sources; drivers for driving output data of the A/V data capture devices for a first set of application programs, each of the drivers receiving output data from corresponding one of the A/V data capture devices and being associated with corresponding one of the first set of application programs; virtual drivers for driving input data for a second set of application programs, each of the virtual drivers being associated with corresponding one of the second set of application programs; and a channel mapping unit for mapping data from the drivers into the virtual drivers.

Claims

1. A system for processing video data provided from a plurality of video sources, comprising:

a plurality of video data capture devices for receiving the video data, each of the video data capture devices receiving video data from a predetermined number of video sources;

a plurality of video drivers for driving output data of the video data capture devices for a first set of application programs, each of the video drivers receiving output data from corresponding one of the video data capture devices and being associated with corresponding one of the first set of application programs;

a plurality of virtual video drivers for driving input data for a second set of application programs, each of the virtual video drivers being associated with corresponding one of the second set of application programs; and

a video channel mapping unit for mapping data from the plurality of video drivers into the plurality of virtual video drivers.

2. The system of claim 1, wherein the plurality of video sources are interconnected to a local area network.

3. The system of claim 2, further including a plurality of remote video sources which are located remotely from the system via a communication network.

4. The system of claim 3, wherein the communication network includes a global computer network.

5. The system of claim 3, wherein the remote video sources include remotely located digital video recorders (DVRs) providing live and recorded video data.

6. The system of claim 3, wherein the video channel mapping unit maps data from the plurality of video drivers and the plurality of remote video sources into the plurality of virtual drivers.

7. The system of claim 1, further including:

a plurality of audio sources for providing audio data;

a plurality of audio data capture devices for receiving the audio data, each of the audio data capture devices receiving audio data from a predetermined number of audio sources;

a plurality of audio drivers for driving output data of the audio data capture devices for the first set of application programs, each of the audio drivers receiving output data from corresponding one of the audio data capture devices and being associated with corresponding one of the first set of application programs;

a plurality of virtual audio drivers for driving input data for the second set of application programs, each of the virtual audio drivers being associated with corresponding one of the second set of application programs; and

an audio channel mapping unit for mapping data from the plurality of audio drivers into the plurality of virtual audio drivers.

8. The system of claim 7, wherein the plurality of video sources and the plurality of audio sources are combined to form a plurality of audio and video (A/V) sources for generating A/V data.

9. The system of claim 8, wherein the plurality of video data capture devices and the plurality of audio data capture devices are combined to form a plurality of A/V data capture devices for receiving the A/V data from the plurality of A/V sources.

10. The system of claim 9, wherein the plurality of video data capture devices process the A/V data at a speed of about 150 frames per second.

11. The system of claim 9, wherein the plurality of virtual video drivers and the plurality of virtual audio drivers are combined to form a plurality of virtual A/V drivers each of which drives input A/V data to be processed in accordance with corresponding one of the second set of application programs.

12. The system of claim 11, wherein the video channel mapping unit and the audio channel mapping unit are combined to form an A/V channel mapping unit for mapping data from the plurality of A/V drivers into the plurality of virtual A/V drivers.

13. The system of claim 12, wherein the number of the A/V data capture devices varies from one (1) to five (5).

14. The system of claim 13, wherein the number of the A/V sources associated with each of the A/V data capture devices varies from one (1) to sixteen (16).

15. The system of claim 14, wherein the number of the virtual drivers varies from one (1) to forty-eight (48).

16. The system of claim 12, further including a plurality of remote audio sources for providing audio data to the A/V channel mapping unit, each of the remote audio sources being combined with corresponding one of the remote video sources to form a remote A/V source.

17. The system of claim 12, wherein the plurality of A/V data capture devices each have an analog-to-digital (AID) convert function for converting analog A/V signals from the plurality of A/V sources into digital A/V data provided to the plurality of A/V drivers.

18. A method for processing audio and video (A/V) data provided from various A/V sources, comprising the steps of:

providing physical local channels for transmitting A/V data provided from local A/V sources, each of the physical local channels transmitting A/V data from corresponding one of the local A/V sources;

providing logical channels virtually created in association with various application programs, each of the logical channels driving input data to be processed in accordance with corresponding one of the various application programs; and

mapping the physical local channels into the logical channels such that A/V data transmitted via each of the physical local channels is provided as input data to corresponding one or more of the logical channels.

19. The method of claim 18, wherein the step of providing physical local channels includes:

capturing analog A/V signals of at least one object or event using the various A/V sources; and

converting the analog A/V signals into digital A/V data.

20. The method of claim 18, wherein the number of the logical channels varies depending on the number of the various application programs.

21. The method of claim 18, wherein the various application programs associated with the logical channels include at least one application program for displaying A/V data in an A/V display unit.

22. The method of claim 18, further including providing physical remote channels for transmitting A/V data provided from remote A/V sources via a communication network including a global computer network.

23. The method of claim 22, wherein the mapping step includes mapping the physical remote channels into the logical channels such that A/V data transmitted via each of the physical remote channels is provided as input data to corresponding one or more of the logical channels.