WO2001041428A1 - Personality-based intelligent camera system - Google Patents
Personality-based intelligent camera system Download PDFInfo
- Publication number
- WO2001041428A1 WO2001041428A1 PCT/EP2000/011296 EP0011296W WO0141428A1 WO 2001041428 A1 WO2001041428 A1 WO 2001041428A1 EP 0011296 W EP0011296 W EP 0011296W WO 0141428 A1 WO0141428 A1 WO 0141428A1
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- WO
- WIPO (PCT)
- Prior art keywords
- camera
- features
- representation
- camera system
- controllable
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/695—Control of camera direction for changing a field of view, e.g. pan, tilt or based on tracking of objects
Definitions
- the present invention relates generally to the field of video signal processing, and more particularly to camera systems for use in video conferencing and other applications.
- Pan-tilt- zoom (PTZ) cameras suitable for tracking a person or other object of interest are an important aspect of many video-camera-based systems such as video conferencing systems and video surveillance systems.
- PTZ pan-tilt- zoom
- video conferencing systems it is often desirable to frame the head and shoulders of a particular conference participant in the resultant output video signal
- video surveillance system it may be desirable to frame the entire body of, e.g., a person entering or leaving a restricted area monitored by the system.
- Intelligent camera systems that can be controlled by the content of the resulting video or audio signals are also known. A significant problem with conventional intelligent camera systems is that such systems generally to not provide an adequate user interface.
- the invention provides a personality-based camera system that includes an anthropomo ⁇ hic representation, e.g., a creature-like representation, having controllable facial features associated therewith.
- an anthropomo ⁇ hic representation e.g., a creature-like representation, having controllable facial features associated therewith.
- the features of the anthropomo ⁇ hic representation are controlled to provide a user interface with a camera embedded in or otherwise associated with the representation.
- the features are controlled such that particular configurations of the features are indicative of an operating state of the camera system.
- the camera may be, e.g., a zoom camera embedded in an eye or other feature of the representation.
- the representation includes a head and a body
- the controllable features are facial features, e.g., a controllable pair of eyebrows, a controllable pair of eyelids, and a controllable mouth.
- the controllable features may be implemented using, e.g., mechanical motor controls or screen-based animation controls.
- Pan and tilt controls are also provided for the head of the anthropomo ⁇ hic representation, such that the embedded camera has pan, tilt and zoom capability.
- the controllable features of the anthropomo ⁇ hic representation are adjusted in accordance with an interaction protocol which specifies particular configurations of the features for corresponding operating states of the camera system.
- the camera associated with the anthropomo ⁇ hic representation controls and negotiates the interaction with the user.
- Additional cameras which cover activity in the corresponding room, e.g., for video presence applications, may be configured to operate independently of the anthropomo ⁇ hic camera, thereby allowing the functions of user interface and content coverage to be separated.
- the invention controls the features of the anthropomo ⁇ hic representation in an intelligent manner so as to facilitate human interaction with the personality-based camera system.
- the anthropomo ⁇ hic representation provides a user interface that is natural and easy to understand.
- FIG. 1 is a block diagram of a general implementation of a personality-based intelligent camera system in accordance with an illustrative embodiment of the invention.
- FIG. 2 is a block diagram of a more specific implementation of the personality-based intelligent camera system of FIG. 1.
- FIG. 3 is a block diagram of an exemplary alternative implementation of the personality-based camera system of FIG. 1.
- FIG. 4 illustrates the outward appearance of an example of a personality-based intelligent camera system in accordance with the invention.
- the present invention provides an improved intelligent camera system in which a camera is embedded in or otherwise associated with a creature-like anthropomo ⁇ hic representation.
- the system is configured to provide control of features of the creature-like device so as to facilitate user interaction with the device.
- the camera system may include the ability to pan, tilt and zoom, and can be used in applications such as home-based video conferencing, video surveillance, input and output for control of appliances or other devices, etc.
- System software executed by a computer or other processor-based device associated with the camera system is used to determine what actions the camera system makes as appropriate for a given application.
- the camera system may include conventional tracking capabilities in order to keep a speaker or other object of interest in the video frame, e.g., using multimodal input to attempt to keep the most interesting activity in the frame at all times.
- the invention provides a significantly improved user interface that is able to guide users in a natural and intuitive way toward the best way of interacting with the system.
- the camera system is less threatening to users, and such users are therefore more likely to speak to or otherwise interact with it.
- a camera system may be given a dog-like personality in accordance with the invention, such that users will be more likely to speak and interact with it as if it were a dog.
- on/off state may be indicated by eyes shut, camera zoom by eyes squinting or wide open, searching by eyes moving back and forth rapidly, confusion by a rotation of the eyes, comprehension by a head nod, etc.
- Many other states of expression that map well from known emotions to internal states of the system can also be used.
- the system may be configured to provide consistency in the sense that once a particular form of interaction is learned by the user, it should work essentially the same way each time. Appropriate feedback may be provided to ensure that the user understands that the system is indeed behaving consistently.
- FIG. 1 shows a personality-based intelligent camera system 100 in accordance with an illustrative embodiment of the invention.
- the system 100 includes a zoom camera 102 which is controlled by a camera controller 104.
- the camera 102 is associated with a particular anthropomo ⁇ hic representation, e.g.. a creature-like representation having certain general features, e.g., a head with pan and tilt capability and having facial features such as brows, a mouth and eyelids.
- the creature may be human, animal, alien, insect, etc.
- the camera 102 may be embedded in, mounted on or otherwise affixed to the anthropomo ⁇ hic representation, e.g., forming at least part of an eye or other element of the representation.
- the invention allows such features to be controlled in an intelligent manner so as to facilitate human interaction with the personality-based camera system 100.
- the anthropomo ⁇ hic representation provides a user interface that is natural and easy to understand.
- the camera 102 generates an analog video signal that is supplied as an input to an analog-to-digital (ND) converter 106.
- the A/D converter 106 converts the analog video signal from the camera 102 to a digital video signal that is suitable for processing by a set of system software 108.
- the system software 108 generates camera control commands that are supplied to the camera controller 104 and used in generating appropriate camera adjustment signals for application to the camera 102.
- the system software 108 also generates motor control commands that are applied to a motor controller 1 10.
- the motor controller 1 10 generates motor movement signals for head control motor(s) 112 and facial feature motor(s) 114. These motors 112 and 114 control physical movement of the head and facial features, respectively, of the above-noted anthropomo ⁇ hic representation associated with the camera 102.
- FIG. 2 shows a personality-based intelligent camera system 200 that represents a more specific implementation of the FIG. 1 system.
- the system 200 includes a zoom camera 202, a camera controller 204, an A/D converter 206, system software 208 and a motor controller 210.
- the camera 202 generates an analog video signal that is supplied to A/D converter 206 for conversion to a digital video signal.
- the digital video signal is supplied to system software 208, which generates appropriate camera control commands for application to camera controller 204.
- the system software 208 also generates motor control commands that are applied to motor controller 210.
- the zoom camera 202 is embedded in a head 215 of a particular anthropomo ⁇ hic representation, e.g., a human-like, animal-like or other creaturelike representation.
- the camera may be a part of an eye or other element of the anthropomo ⁇ hic representation.
- a number or facial features including a pair of eyebrows 221, 222, a pair of eyelids 223, 224, and a mouth 225.
- the head 215 pans and tilts in the directions shown.
- the eyebrows 221, 222 tilt and move up or down in the direction of the arrows.
- the eyelids 223, 224 open and close, and the mouth has a single degree of freedom, allowing the center of the lips to rise in a frown, or to drop in a smile.
- the particular state of a given set of facial features is indicative of a particular state of the camera system. For example, eyelids shut could represent the system being in an off state, eyebrows up could represent a request for input from a user, etc. It should be emphasized that this particular arrangement of features in exemplary only, and numerous other arrangements could of course be used.
- the motor controller 210 supplies motor movement signals to a set of six motors 230, 232, 234, 236, 238 and 230 to control the operation of the head 215 and its associated facial features.
- FIG. 3 shows a personality-based intelligent camera system 300 that represents a possible alternative implementation of the FIG. 1 system.
- the system 300 includes a zoom camera 302, a camera controller 304, an A/D converter 306, system software 308 and a motor controller 310.
- the camera 302 generates an analog video signal that is supplied to A/D converter 306 for conversion to a digital video signal.
- the digital video signal is supplied to system software 308, which generates appropriate camera control commands for application to camera controller 304.
- the system software 308 also generates motor control commands that are applied to motor controller 310.
- the motor controller 210 in this embodiment provides motor movement signals to head control motor(s) 312 that controls the physical movement, e.g., pan and tilt, of a head 316 of a particular anthropomo ⁇ hic representation.
- the camera 302 may be embedded in or otherwise associated with the head 316 or other suitable portion of this anthropomo ⁇ hic representation.
- the anthropomo ⁇ hic representation includes a liquid crystal display (LCD) screen 318 for providing facial feature animation.
- the screen 318 may be mounted on or otherwise associated with the head 316, and may be configured to provide feature animation similar to that provided by the mechanical motor-based controls described in conjunction with system 200 of FIG. 2.
- the system software 308 provides screen graphics commands to an LCD screen driver 314, and the driver 314 generates corresponding LCD pixel control signals for providing the desired animation on the screen 318.
- FIG. 4 shows an example of the outward appearance of a personality-based intelligent camera system 400 in accordance with an illustrative embodiment of the invention.
- the outward appearance of the system 400 is an anthropomo ⁇ hic representation of a human, animal or other creature having a head 415 and a body 417.
- Associated with the head 415 are a number of facial features, including eyebrows 421, 422, eyelids 423, 424 and a mouth 425.
- the head 415 and associated facial features may be controlled using, e.g., the motor-based control techniques described in conjunction with FIG. 2, the screen-based control techniques described in conjunction with FIG. 3, or a combination of these and other control techniques.
- a zoom camera such as camera 102, 202 or 302 in the previously-described embodiments, may be embedded, mounted or otherwise installed in any desired location on the anthropomo ⁇ hic representation, e.g., as part of an eye or other feature of the head 415, on the body 417, or in any other location. For this example, it will be assumed that the zoom camera is embedded in one of the eyes of the head 415.
- the system 400 also includes a 7 head-mounted indicator 430, and a pair of side-mounted cameras 432, 434 with corresponding indicators 436, 438.
- the side-mounted cameras 432, 434 are also referred to herein as "video presence" cameras.
- Video presence expands the concept of videoconferencing.
- Traditional videoconferencing generally suggests a communication-based interaction where one set of participants is trying to talk to another set of participants across an audio/video link.
- Video presence expands that concept to include any activity that uses the audio/video link to try to create a sense of "being present" at a remote location. This can include such activities as: L A party where half the participants are at one end of the link and half at the other.
- video presence concept as used herein can include any other type of activity, normally thought to be outside the definition of video conferencing, for which the audio/video link could be used.
- each of the indicators 430, 436 and 438 may be, e.g., a suitable light source that is configured to provide indicator information to a user.
- indicator lights may be illuminated or extinguished based on particular states of the system 400, e.g., indicators 430, 436 and 438 may be illuminated when the corresponding head-based and side-mounted cameras, respectively, are operating, and extinguished when these cameras are off.
- the FIG. 4 system thus includes multiple cameras, with the creature-like anthropomo ⁇ hic representation configured with an embedded camera in its head and two mounted cameras that appear to be "held” by the creature-like representation.
- the embedded camera functions as the personality-based camera
- the other cameras function as conventional tracking cameras for following speakers or other objects of interest.
- scenes can be shot in a quasi-professional manner, e.g., one camera zooms in for a tight shot of the speaker, while another camera gets a wide, establishing shot of the room.
- the close-up camera can be moved, allowing for sophisticated direction techniques that mimic live standard television director models.
- the system 400 may include appropriate audio, speech or other processing and generating circuitry, for providing audio, speech or other audibly-perceptible information to the user.
- a conventional sound module may be inco ⁇ orated into the camera system in order to allow for the generation of acknowledging chi ⁇ s, squeaks and other noises.
- the following is an exemplary interaction protocol that may be implemented in the above-described camera system 400 of FIG. 4 or other personality-based intelligent camera system in accordance with the invention. It should be noted that this protocol is designed for use in a video presence or videoconferencing-like application.
- the protocol assumes that a single camera is embedded in an eye of the creature-like representation, and two video presence cameras are mounted on either side, as illustrated in FIG. 4.
- the video presence cameras are assumed to include shutters which can open and close over the camera lenses.
- the camera system interacts with a set-top box which includes a receiver and an LCD display, and a capability for establishing a network connection, e.g., a telephone or Internet connection, for sending and receiving communications with remote devices.
- the set top box receiver LCD display may be used to show textual information that indicates whether video is being recorded, e.g., to a VCR or other storage device, or transmitted to a remote location.
- Audio too low or gesture unrecognized the system shows a confused look and the eyes narrow in a squint. 6. Dialing. When the system is dialing, it displays a waiting behavior. looking up left, then down center, then up right, blinking its eyes when down and center and raising eyebrows. The movement is preferably minimal, but regular, like the ticking of a clock, and may be timed to occur every second on the second.
- the automatic tracking system when the automatic tracking system has detected a pattern in a conversation allows the system to predict where to turn the embedded camera next, the embedded camera turns in that direction before the video presence cameras. This allows for a person off camera to respond to one who is on camera. As soon as the first response occurs, the embedded camera turns to indicate acknowledgement of the response. If the response continues and the second speaker becomes the primary speaker, then the video presence cameras follow shortly thereafter. If the response was just a confirming utterance, the embedded camera returns to the main speaker.
- the video presence cameras may be turned to one side of the room, the device may be receiving commands from a user on the other side of the room.
- the embedded camera is turned to the user in control of the system, and this direction indicates who is in control of the system.
- Overload If, for some reason, the camera system is failing to understand activity in the room, e.g., too much movement, too much dispersed audio, etc., the system can indicate that the user should take control of the camera. In this case, the head “spins" (pans and tilts in coordination), the eyebrows move up and down rapidly.
- Manual Mode In manual mode, the system shows that it is paying close attention to user commands.
- the embedded camera focus of attention is turned toward the controlling user.
- the brows raise slightly, showing interest and attention, and a slight smile is generated.
- a special concentrating noise is generated.
- Pointing One of the capabilities of manual mode is to allow the user to point to something in the room and instruct the camera to follow the pointing.
- the device turns on a bright, focused red light in the head and turns the head toward the suspected pointing location, showing the user controlling the system where the device thinks the camera should be aimed. If this is not correct, the user can then adjust the point, using the feedback to adjust the location.
- the red light turns off and the device gives a slight head nod to show that this is the place the camera will remain.
- the exemplary systems 100, 200, 300 and 400 described above can be used in a wide variety of other applications.
- these systems can be used in video presence and video surveillance applications.
- the invention can be used with image capture devices other than a zoom camera, including, e.g., pan-tilt-zoom (PTZ) cameras.
- PTZ pan-tilt-zoom
- the term "camera” as used herein is therefore intended to include any type of image capture device which can be used in conjunction with a personality-based system.
- elements or groups of elements of the exemplar ⁇ ' camera systems described above may represent corresponding elements of an otherwise conventional computer, set-top box, etc., as well as portions or combinations of these and other processing devices.
- some or all of the functions of individual elements of the systems 100, 200 and 300 may be combined into a single device.
- one or more of these system elements may be implemented as an application specific integrated circuit (ASIC) or circuit card to be inco ⁇ orated into a computer, television, set-top box or other processing device.
- ASIC application specific integrated circuit
- the system software may be configured to be executed by a microprocessor, central processing unit, microcontroller or any other data processing element that may implemented in the system.
- the systems 100, 200 and 300 may be configured to include an electronic memory, an optical or magnetic disk-based memory, a tape-based memory, as well as combinations or portions of these and other types of storage devices, for use in storage and execution of the corresponding system software.
- the computer or other processing device used for executing the system software may be co-located with the anthropomo ⁇ hic representation and associated camera, or remotely located with signals supplied passed between the camera, motor controller, etc. and the processing device via conventional remote control arrangements.
- the above-described embodiments of the invention are intended to be illustrative only.
- the invention can be used with a wide variety of different creature-like representations with many different combinations of controlled features.
- the invention is also applicable to systems with multiple cameras, systems with PTZ cameras, and systems with other types and arrangements of image capture devices.
- the invention can utilize many different types of techniques to detect and track an object of interest, and to provide feedback to users.
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Abstract
Description
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00983139A EP1157545A1 (en) | 1999-11-29 | 2000-11-10 | Personality-based intelligent camera system |
JP2001541236A JP2003516049A (en) | 1999-11-29 | 2000-11-10 | Personality-based intelligent camera system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US45023099A | 1999-11-29 | 1999-11-29 | |
US09/450,230 | 1999-11-29 |
Publications (1)
Publication Number | Publication Date |
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WO2001041428A1 true WO2001041428A1 (en) | 2001-06-07 |
Family
ID=23787271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2000/011296 WO2001041428A1 (en) | 1999-11-29 | 2000-11-10 | Personality-based intelligent camera system |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1157545A1 (en) |
JP (1) | JP2003516049A (en) |
TW (1) | TW519826B (en) |
WO (1) | WO2001041428A1 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003071788A1 (en) * | 2002-02-25 | 2003-08-28 | Koninklijke Philips Electronics N.V. | Automatically switched camera system with indicator for notifying the next subject of the camera system |
WO2008073283A2 (en) | 2006-12-07 | 2008-06-19 | Sensormatic Electronics Corporation | Video surveillance system having communication acknowledgement nod |
US7705877B2 (en) | 2004-01-28 | 2010-04-27 | Hewlett-Packard Development Company, L.P. | Method and system for display of facial features on nonplanar surfaces |
EP2820840A4 (en) * | 2012-03-02 | 2015-12-30 | H4 Eng Inc | Multifunction automatic video recording device |
US9253376B2 (en) | 2011-12-23 | 2016-02-02 | H4 Engineering, Inc. | Portable video recording system with automatic camera orienting and velocity regulation of the orienting for recording high quality video of a freely moving subject |
US9565349B2 (en) | 2012-03-01 | 2017-02-07 | H4 Engineering, Inc. | Apparatus and method for automatic video recording |
US9723192B1 (en) | 2012-03-02 | 2017-08-01 | H4 Engineering, Inc. | Application dependent video recording device architecture |
CN108490645A (en) * | 2018-06-06 | 2018-09-04 | 仁怀市五马小学 | It is a kind of that there are the glasses for quickly capturing function |
CN110014431A (en) * | 2017-11-28 | 2019-07-16 | 丰田自动车株式会社 | Communication device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI507028B (en) * | 2010-02-02 | 2015-11-01 | Hon Hai Prec Ind Co Ltd | Controlling system and method for ptz camera, adjusting apparatus for ptz camera including the same |
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US4819076A (en) * | 1987-08-14 | 1989-04-04 | Briggs John A | Dual-camera photographic system |
WO1998051078A1 (en) * | 1997-05-07 | 1998-11-12 | Telbotics Inc. | Teleconferencing robot with swiveling video monitor |
DE19729508A1 (en) * | 1997-07-10 | 1999-01-14 | Dirk Pohl | Communication apparatus especially digital telephone for ISDN |
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2000
- 2000-11-08 TW TW089123616A patent/TW519826B/en not_active IP Right Cessation
- 2000-11-10 WO PCT/EP2000/011296 patent/WO2001041428A1/en not_active Application Discontinuation
- 2000-11-10 EP EP00983139A patent/EP1157545A1/en not_active Withdrawn
- 2000-11-10 JP JP2001541236A patent/JP2003516049A/en active Pending
Patent Citations (3)
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US4819076A (en) * | 1987-08-14 | 1989-04-04 | Briggs John A | Dual-camera photographic system |
WO1998051078A1 (en) * | 1997-05-07 | 1998-11-12 | Telbotics Inc. | Teleconferencing robot with swiveling video monitor |
DE19729508A1 (en) * | 1997-07-10 | 1999-01-14 | Dirk Pohl | Communication apparatus especially digital telephone for ISDN |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6982748B2 (en) | 2002-02-25 | 2006-01-03 | Koninklijke Philips Electronics N.V. | Automatically switched camera system with indicator for notifying the next subject of the camera system |
WO2003071788A1 (en) * | 2002-02-25 | 2003-08-28 | Koninklijke Philips Electronics N.V. | Automatically switched camera system with indicator for notifying the next subject of the camera system |
US7705877B2 (en) | 2004-01-28 | 2010-04-27 | Hewlett-Packard Development Company, L.P. | Method and system for display of facial features on nonplanar surfaces |
WO2008073283A2 (en) | 2006-12-07 | 2008-06-19 | Sensormatic Electronics Corporation | Video surveillance system having communication acknowledgement nod |
WO2008073283A3 (en) * | 2006-12-07 | 2008-09-12 | Sensormatic Electronics Corp | Video surveillance system having communication acknowledgement nod |
AU2007332837B2 (en) * | 2006-12-07 | 2010-11-11 | Sensormatic Electronics, LLC | Video surveillance system having communication acknowledgement nod |
CN101568944B (en) * | 2006-12-07 | 2012-11-28 | 传感电子公司 | Video surveillance system having communication acknowledgement nod |
US8947526B2 (en) | 2006-12-07 | 2015-02-03 | Sensormatic Electronics, LLC | Video surveillance system having communication acknowledgement nod |
US9253376B2 (en) | 2011-12-23 | 2016-02-02 | H4 Engineering, Inc. | Portable video recording system with automatic camera orienting and velocity regulation of the orienting for recording high quality video of a freely moving subject |
US9565349B2 (en) | 2012-03-01 | 2017-02-07 | H4 Engineering, Inc. | Apparatus and method for automatic video recording |
US9800769B2 (en) | 2012-03-01 | 2017-10-24 | H4 Engineering, Inc. | Apparatus and method for automatic video recording |
EP2820840A4 (en) * | 2012-03-02 | 2015-12-30 | H4 Eng Inc | Multifunction automatic video recording device |
US9723192B1 (en) | 2012-03-02 | 2017-08-01 | H4 Engineering, Inc. | Application dependent video recording device architecture |
US9313394B2 (en) | 2012-03-02 | 2016-04-12 | H4 Engineering, Inc. | Waterproof electronic device |
CN110014431A (en) * | 2017-11-28 | 2019-07-16 | 丰田自动车株式会社 | Communication device |
CN108490645A (en) * | 2018-06-06 | 2018-09-04 | 仁怀市五马小学 | It is a kind of that there are the glasses for quickly capturing function |
Also Published As
Publication number | Publication date |
---|---|
EP1157545A1 (en) | 2001-11-28 |
TW519826B (en) | 2003-02-01 |
JP2003516049A (en) | 2003-05-07 |
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