WO1996002106A1 - Digitally networked video camera - Google Patents

Digitally networked video camera

Info

Publication number
WO1996002106A1
WO1996002106A1 PCT/GB1995/001626 GB9501626W WO1996002106A1 WO 1996002106 A1 WO1996002106 A1 WO 1996002106A1 GB 9501626 W GB9501626 W GB 9501626W WO 1996002106 A1 WO1996002106 A1 WO 1996002106A1
Authority
WO
Grant status
Application
Patent type
Prior art keywords
camera
video
means
digital
signal
Prior art date
Application number
PCT/GB1995/001626
Other languages
French (fr)
Inventor
Oliver Richard Vellacott
Original Assignee
Vision 1 International Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/222Studio circuitry; Studio devices; Studio equipment ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, TV cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/225Television cameras ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/232Devices for controlling television cameras, e.g. remote control; Control of cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, TV cameras, video cameras, camcorders, webcams, camera modules for embedding in, e.g. mobile phones, computers or vehicles
    • H04N5/23203Remote control signaling for cameras or for parts of camera, e.g. between main body and part of camera
    • H04N5/23206Remote control signaling for cameras or for parts of camera, e.g. between main body and part of camera using a network, e.g. internet
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/222Studio circuitry; Studio devices; Studio equipment ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, TV cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/225Television cameras ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/232Devices for controlling television cameras, e.g. remote control; Control of cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, TV cameras, video cameras, camcorders, webcams, camera modules for embedding in, e.g. mobile phones, computers or vehicles

Abstract

A self-contained, digitally networked video camera comprises a housing (30) enclosing a camera module having video image sensor means (36) adapted to generate a video signal, signal processing means (38), including a video signal processor (VSP) which receives a digital video signal from the camera module and a multi-tasking RISC processor, adapted to compress and/or analyse said video signal and to output a digital data signal, and digital interface input/output means (42, 44), such as PCMCIA cards adapted to transmit said digital data signal to an external, digital communications network in accordance with a predetermined communications protocol, such as TCP/IP. The camera may be connected directly to a digital communications network, such as a LAN or WAN, for the transmission of compressed, digital video signals and/or associated data directly to host PC's connected to the network. Audio signals may also be processed.

Description

DIGITALLY NETWORKED VIDEO CAMERA

This invention relates to improvements in video camera apparatus. More particularly, the invention relates to video cameras adapted for direct connection to digital communications networks, and to video cameras which can analyse what they see and/or hear and which can interface directly to digital networks .

In this field it is already known that:

1 Cameras can be interfaced to digital networks via PC's or separate dedicated control units (see, for example, GB-A-2231753; US-A-5237408; WO-A- 90/09717).

2 Videophones can interface directly to some digital networks (WAN - Wide Area Networks) but are unable to perform image analysis or audio analysis for the purpose of detecting specific events and moreover cannot interface directly to Local Area Networks (LAN) .

3 Analysis of images has been carried out within a camera unit (such systems are available from, for example, VLSI Vision Limited of Edinburgh, UK; Intelligent Camera, Image Inspection Limited of Epsom, UK; and MAPP/LAP, IVP, Linkoping, Sweden) but never in conjunction with the ability to interface directly to digital networks .

Known cameras and systems of these types have the disadvantages that:

1 It is often impractical and not cost effective to use a PC or separate control unit to allow a camera to interface to LAN/WAN. This is especially true in circumstances where a PC would not usually be present such as in remote surveillance applications: eg construction site monitoring.

2 Existing surveillance cameras, by transmitting video in analogue form, are severely restricted in quality of transmission and recording, automation of surveillance operations, restrictions on network topologies, ability to cross-reference to other events whose occurrence is reported digitally.

3 Existing cameras which can perform image analysis cannot transmit images and the results of analysis over digital networks, thus severely restricting interpretation of results and integration of cameras with existing digital systems.

Use of digital cameras is almost exclusively oriented around PC's and workstations. The requirement for a host PC for capturing and transmitting video is circumvented by this invention. This is achieved by the integration of the hardware and software previously provided by the combination of a camera and separate computer (PC) into a single, stand-alone surveillance camera unit. The benefits of this are (a) the cost reduction through not requiring a PC to be present and (b) the flexibility achieved by enabling image input to digital networks from locations where PC's cannot be used.

This, combined with the ability to automatically analyse the acquired video and/or audio, within the camera and in real time, allows the automation of a wide range of visual/audio tasks via remote control over digital networks.

In accordance with the present invention there is provided a video camera comprising a housing enclosing video image sensor means adapted to generate a video signal, signal processing means adapted to process said video signal and to output a digital data signal, and digital interface input/output means adapted to transmit said digital data signal to an external, digital communications network in accordance with a predetermined communications protocol.

Preferably, said signal processing means includes a video signal processor (VSP) adapted to perform real- time image compression and/or image analysis on said video signal.

Preferably also, said signal processing means further includes microprocessor means adapted to supervise operation of said VSP and data input/output via said interface means.

Most preferably, said microprocessor means comprises a multi-tasking RISC processor.

Preferably also, said VSP has first memory means associated therewith. Suitably, said first memory means comprises dynamic random access memory.

Preferably also, said microprocessor means has second memory means associated therewith. Suitably, said second memory means comprises static random access memor .

Preferably also, said communications protocol is TCP/IP.

Preferably also, said interface means comprises at least one PCMCIA card.

Preferably also, the camera further includes audio sensor means, said signal processing means being further adapted to process audio signals generated by said audio sensor means.

While further modifications and improvements may be made without departing from the scope of this invention, the following is a description of one or more examples of the invention, with reference to the accompanying drawings in which:

Fig. 1 is a schematic illustration of a video camera in accordance with the invention connected to a digital network such as a LAN or WAN;

Fig. 2 is a schematic block diagram illustrating the hardware architecture of the camera of Fig. 1;

Fig. 3 is a schematic illustration of the one example of the physical configuration of the camera of Fig. 1; and Fig. 4 is a schematic block diagram illustrating the software architecture of the camera of Fig. 1.

The invention relates to a camera which can interface directly to digital networks (such as Local Area Networks (LAN's) or Wide Area Networks (WAN's)) and which can carry out real time image compression and analysis. Via the LAN/WAN it can communicate to one or more PC control stations where the compressed video can be decompressed and displayed and the results of the image analysis viewed and/or recorded in a database.

Fig. 1 illustrates an example of such an arrangement, in which one or more cameras 10 are connected directly to the network 12, to which there are also connected one or more host PC's 14. The camera 10 digitises, compresses and analyses video images of a subject 16, and the images and/or associated analysis results are transmitted via the network 12 for display and/or recordal on the host PC 14.

The hardware architecture of the camera 10 is illustrated in block-diagram form in Fig. 2. As seen in Fig. 2, the digitally-networked camera combines a colour camera 18, including an image sensor and, optionally, audio microphone, with a high performance Video Signal Processor (VSP) 20 and a RISC processor 22. The output video/audio signals from the camera 18 are input to the VSP 20, which is connected to the RISC processor 22. The processor 22 is in turn connected to network interface hardware 24. Both the VSP 20 and RISC processor 22 have memory means associated therewith. In this example, dynamic random access memory (DRAM) 26 is connected to the VSP 20 and static random access memory (SRAM) and programmable read only memory (PROM, preferably Flash EPROM) 28 is connected to the RISC processor 22.

The colour camera 18 may be of the type including an image sensor which directly outputs a digital video signal, or may have an analogue sensor output with separate analogue to digital conversion, or analogue to digital conversion means may be incorporated between an analogue camera and the VSP 20. In any case, the input to the VSP 20 is a digital video signal. The same applies to audio signals from the camera 18, if applicable.

The VSP 20 supports real time image compression and also acts as a highly parallel ALU for real time image analysis. The RISC processor 22 supports a multitasking operating system with built-in networking and communications support, and also supervises the VSP 20. External input/output (i/o) is via the network interface hardware 24; suitably, for example, via two PCMCIA slots, allowing easy interfacing to LAN, WAN, ISDN, wireless communications and mass storage devices. It will be appreciated that digital network interfaces may be provided by means other than PCMCIA-type devices.

The camera also includes a proprietary digital gate array (not shown) , which implements bus bridges between the major functional units of the architecture and contributes to the high integration and low cost of the camera unit.

This entire functionality is integrated within a single camera unit. Fig. 3 shows an example of the physical configuration of such a unit. In Fig. 3, a housing 30 supports the camera optics 32 and encloses the image sensor 34 and associated electronics 36 of the camera 18; a motherboard 38 mounting the VSP 20, RISC processor 22, DRAM 26, SRAM 28 and other associated electronic components; a power supply unit 40; network interface hardware such as type II and type III PCMCIA cards 42, 44; and, possibly, additional, optional audio/video hardware 46. It will be understood that the illustrated physical configuration is given by way of example only and may be varied while still maintaining the essential functionality of the invention.

The RISC processor 22 supervises the execution of image processing and/or compression functions performed by the VSP 20. The RISC processor 22 also supports a real-time operating system (RTOS) . The software architecture of the camera is illustrated schematically in Fig 4. This allows genuine multitasking, which is essential in the environment. In parallel, the RISC processor 22 supervises video capture, compression, image processing, audio capture and analysis, and PCMCIA i/o. Context switches must be accomplished within a guaranteed time for this to be effective. Normal multitasking facilities are provided, such as message passing, mailboxes, preemptive/round-robin/time-slice scheduling, interrupt handling, etc.

Various communication protocol stacks may be supported by the RTOS. Preferably, TCP/IP is implemented as the high level network communications protocol. This allows each camera to be assigned a unique internet address and simplifies communications between cameras, and between cameras and host PC's, across multiple heterogeneous networks . The advantages of the invention and/or the ways in which the disadvantages of previously known arrangements are overcome, include the following.

1. General

The Digitally-networked Camera is designed for real time video capture, compression, analysis and transmission in circumstances where it is either impractical or not cost effective to use a host PC. Since the camera operates stand-alone it can be plugged directly into computer networks or deployed remotely in the field using wireless communications.

2. Security & Surveillance

The digitally-networked camera contains the total functionality required for analogue-networked surveillance systems to migrate to digitally-networked systems. Real-time video/audio compression allows continuous transmission over existing LAN's without significant degradation in LAN performance.

Since the Digitally-networked Camera performs real time image processing, specific events can be detected and reported to personnel. This will dramatically raise the effectiveness of surveillance. The audio option can be used to assist in detection of certain security events including shrieks, breaking of glass, etc.

Thus, the invention allows semi-automation of security surveillance systems . This has the potential to significantly improve the cost-effectiveness of such systems.

3. Traffic monitoring The Digitally-networked Camera can be programmed to analyse traffic speeds, congestion, vehicle numberplates, etc and can directly report these statistics and/or compressed video to a control centre via a WAN, eg an ISDN/phone line.

4. Video-Conferencing

The Digitally-networked Camera can participate in PC- based video conferences, transmitting compressed video from locations where PC's cannot be used, such as construction sites (wireless LAN) and factory shop floors.

5. Industrial Inspection & Process Control

The invention allows automation of industrial inspection, integrated with existing LAN's for communication of inspection results to controller PC's and control of cameras from PC's.

6. Miscellaneous

The wide range of PCMCIA cards available allows a diverse range of applications to be addressed. For example, to match images captured remotely with the location at which they were captured it is possible to use a GPS receiver card to let the camera get a fix on the position of capture. This might be combined with a cellular comms card to transmit the picture+location immediately back to base.

Improvements and modifications may be incorporated without departing from the scope of the invention as defined in the Claims appended hereto.

Claims

Claims
1. A video camera comprising a housing enclosing video image sensor means adapted to generate a video signal, signal processing means adapted to process said video signal and to output a digital data signal, and digital interface input/output means adapted to transmit said digital data signal to an external, digital communications network in accordance with a predetermined communications protocol.
2. A video camera as claimed in Claim 1, wherein said signal processing means includes a video signal processor (VSP) adapted to perform real-time image compression and/or image analysis on said video signal.
3. A video camera as claimed in Claim 2, wherein said signal processing means further includes microprocessor means adapted to supervise operation of said VSP and data input/output via said interface means .
4. A video camera as claimed in Claim 3, wherein said microprocessor means comprises a multi-tasking RISC processor.
5. A video camera as claimed in Claim 2, wherein said VSP has first memory means associated therewith.
6. A video camera as claimed in Claim 5, wherein said first memory means comprises dynamic random access memory.
7. A video camera as claimed in Claim 3, wherein said microprocessor means has second memory means associated therewith.
8. A video camera as claimed in Claim 7, wherein said second memory means comprises static random access memory and programmable read only memory.
9. A video camera as claimed in Claim 1, wherein said communications protocol is TCP/IP.
10. A video camera as claimed in Claim 1, wherein said interface means comprises at least one PCMCIA card.
11. A video camera as claimed in Claim 1, further including audio sensor means, wherein said signal processing means is further adapted to process audio signals generated by said audio sensor means.
PCT/GB1995/001626 1994-07-09 1995-07-10 Digitally networked video camera WO1996002106A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9413870A GB9413870D0 (en) 1994-07-09 1994-07-09 Digitally-networked active-vision camera
GB9413870.8 1994-07-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9604702A GB9604702D0 (en) 1994-07-09 1995-07-10 Digitally networked video camera

Publications (1)

Publication Number Publication Date
WO1996002106A1 true true WO1996002106A1 (en) 1996-01-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1995/001626 WO1996002106A1 (en) 1994-07-09 1995-07-10 Digitally networked video camera

Country Status (2)

Country Link
GB (1) GB9413870D0 (en)
WO (1) WO1996002106A1 (en)

Cited By (31)

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EP0809397A1 (en) * 1996-05-24 1997-11-26 Thomson Broadcast Systems Digital video camera with constant bitrate and transmission system using this camera
EP0821522A2 (en) * 1996-07-23 1998-01-28 Canon Kabushiki Kaisha Camera control apparatus and method
WO1998049835A1 (en) * 1997-04-30 1998-11-05 Winnov, L., P. Video and audio interface for a computer
EP0909070A2 (en) * 1997-09-12 1999-04-14 Matsushita Electric Industrial Co., Ltd. Virtual web server for concurrently displaying data coming from a plurality of servers in a single browser window
EP0913674A1 (en) * 1997-10-31 1999-05-06 Gretag-Macbeth AG Computer controlled measuring device
WO1999048276A1 (en) * 1998-03-18 1999-09-23 Flashpoint Technology, Inc. Digital image capture device
FR2778050A1 (en) * 1998-04-22 1999-10-29 Time & Space Tech Co Ltd visualization system allowing communication on the Internet, and Control Method
WO1999059332A1 (en) * 1998-05-08 1999-11-18 Baxall Security Limited An improved high resolution video camera
DE19855154A1 (en) * 1998-11-30 2000-06-08 Christian Haart Electronic device for internet transmission of video signals has video interface, processor and modem in common housing for loading video information onto home web page of selected internet web site
EP1025696A1 (en) * 1997-09-04 2000-08-09 Discovery Communications, Inc. Apparatus for video access and control over computer network, including image correction
WO2001019076A1 (en) * 1999-09-02 2001-03-15 Vitronic Dr.-Ing. Stein Bildverareitungssysteme Gmbh Circuit for generating image data for a pc and an appropriate data transfer method
WO2001031919A1 (en) * 1999-10-27 2001-05-03 Electronics For Imaging, Inc. Portable conference center
WO2001041438A1 (en) * 1999-12-02 2001-06-07 Madge Networks Limited Video communication system
GB2357648A (en) * 1999-12-21 2001-06-27 Heping He Portable internet-camcorder
WO2001076233A1 (en) * 2000-03-30 2001-10-11 Genex Technologies, Inc. Method and apparatus for omnidirectional imaging
WO2002009060A2 (en) * 2000-07-26 2002-01-31 Livewave, Inc. Methods and systems for networked camera control
WO2002023291A2 (en) * 2000-09-13 2002-03-21 Nextengine, Inc. Digital imaging system having distribution controlled over a distributed network
US6469737B1 (en) 1996-07-23 2002-10-22 Canon Kabushiki Kaisha Image-sensing server and control method and storage medium therefor
US6484195B1 (en) 1996-07-23 2002-11-19 Canon Kabushiki Kaisha Server, terminal and control methods for transmitting real-time images over the internet
EP1130913A3 (en) * 2000-02-24 2003-10-22 Sony Corporation Image capturing apparatus and method, and recording medium therefor
DE10301457A1 (en) * 2003-01-10 2004-07-29 Vcs Video Communication Systems Ag Recording method for video / audio data
US6856407B2 (en) 2000-09-13 2005-02-15 Nextengine, Inc. Method for depth detection in 3D imaging providing a depth measurement for each unitary group of pixels
DE19808616B4 (en) * 1997-03-12 2006-03-16 Mannesmann Ag Method and system for remote control and information transmission
US7450604B2 (en) 2002-04-20 2008-11-11 Conexant Systems, Inc. Method and apparatus for establishing circuit connections over local area networks with frequency selective impairments
US7783930B2 (en) 2003-01-10 2010-08-24 Robert Bosch Gmbh Recording method for video/audio data
EP2269170A1 (en) * 2008-05-02 2011-01-05 Nokia Corporation Methods, computer program products and apparatus providing improved image capturing
US8970761B2 (en) 1997-07-09 2015-03-03 Flashpoint Technology, Inc. Method and apparatus for correcting aspect ratio in a camera graphical user interface
US8972867B1 (en) 1998-12-31 2015-03-03 Flashpoint Technology, Inc. Method and apparatus for editing heterogeneous media objects in a digital imaging device
US9075136B1 (en) 1998-03-04 2015-07-07 Gtj Ventures, Llc Vehicle operator and/or occupant information apparatus and method
US9143672B2 (en) 1997-12-04 2015-09-22 Axis Ab Device for sending image data from camera to CCTV network
US9224145B1 (en) 2006-08-30 2015-12-29 Qurio Holdings, Inc. Venue based digital rights using capture device with digital watermarking capability

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Cited By (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0809397A1 (en) * 1996-05-24 1997-11-26 Thomson Broadcast Systems Digital video camera with constant bitrate and transmission system using this camera
FR2749119A1 (en) * 1996-05-24 1997-11-28 Thomson Broadcast Systems Digital video camera has substantially constant rate and transmission system using such a camera
EP0821522A2 (en) * 1996-07-23 1998-01-28 Canon Kabushiki Kaisha Camera control apparatus and method
US6525761B2 (en) 1996-07-23 2003-02-25 Canon Kabushiki Kaisha Apparatus and method for controlling a camera connected to a network
EP0821522A3 (en) * 1996-07-23 2001-09-12 Canon Kabushiki Kaisha Camera control apparatus and method
US7219365B2 (en) 1996-07-23 2007-05-15 Canon Kabushiki Kaisha Apparatus and method for controlling a camera connected to a network
US6484195B1 (en) 1996-07-23 2002-11-19 Canon Kabushiki Kaisha Server, terminal and control methods for transmitting real-time images over the internet
US7298399B2 (en) 1996-07-23 2007-11-20 Canon Kabushiki Kaisha Apparatus and method for controlling a camera connected to a network
US6469737B1 (en) 1996-07-23 2002-10-22 Canon Kabushiki Kaisha Image-sensing server and control method and storage medium therefor
DE19808616B4 (en) * 1997-03-12 2006-03-16 Mannesmann Ag Method and system for remote control and information transmission
WO1998049835A1 (en) * 1997-04-30 1998-11-05 Winnov, L., P. Video and audio interface for a computer
US8970761B2 (en) 1997-07-09 2015-03-03 Flashpoint Technology, Inc. Method and apparatus for correcting aspect ratio in a camera graphical user interface
EP1025696A1 (en) * 1997-09-04 2000-08-09 Discovery Communications, Inc. Apparatus for video access and control over computer network, including image correction
EP1025696B1 (en) * 1997-09-04 2010-12-08 Comcast IP Holdings I, LLC Apparatus for video access and control over computer network, including image correction
EP0909070A3 (en) * 1997-09-12 2004-09-08 Matsushita Electric Industrial Co., Ltd. Virtual web server for concurrently displaying data coming from a plurality of servers in a single browser window
EP0909070A2 (en) * 1997-09-12 1999-04-14 Matsushita Electric Industrial Co., Ltd. Virtual web server for concurrently displaying data coming from a plurality of servers in a single browser window
US6338030B1 (en) 1997-10-31 2002-01-08 Gretag-Macbeth Ag Processor controlled measuring device
EP0913674A1 (en) * 1997-10-31 1999-05-06 Gretag-Macbeth AG Computer controlled measuring device
US9621778B2 (en) 1997-12-04 2017-04-11 Axis Ab Device for sending image data from camera to CCTV network
US9143672B2 (en) 1997-12-04 2015-09-22 Axis Ab Device for sending image data from camera to CCTV network
US9075136B1 (en) 1998-03-04 2015-07-07 Gtj Ventures, Llc Vehicle operator and/or occupant information apparatus and method
US7222357B2 (en) 1998-03-18 2007-05-22 Fotomedia Technologies, Llc Method and system for hosting a web site on a digital camera
US6567122B1 (en) 1998-03-18 2003-05-20 Ipac Acquisition Subsidiary I Method and system for hosting an internet web site on a digital camera
WO1999048276A1 (en) * 1998-03-18 1999-09-23 Flashpoint Technology, Inc. Digital image capture device
FR2778050A1 (en) * 1998-04-22 1999-10-29 Time & Space Tech Co Ltd visualization system allowing communication on the Internet, and Control Method
WO1999059332A1 (en) * 1998-05-08 1999-11-18 Baxall Security Limited An improved high resolution video camera
DE19855154A1 (en) * 1998-11-30 2000-06-08 Christian Haart Electronic device for internet transmission of video signals has video interface, processor and modem in common housing for loading video information onto home web page of selected internet web site
US8972867B1 (en) 1998-12-31 2015-03-03 Flashpoint Technology, Inc. Method and apparatus for editing heterogeneous media objects in a digital imaging device
WO2001019076A1 (en) * 1999-09-02 2001-03-15 Vitronic Dr.-Ing. Stein Bildverareitungssysteme Gmbh Circuit for generating image data for a pc and an appropriate data transfer method
US6323893B1 (en) 1999-10-27 2001-11-27 Tidenet, Inc. Portable conference center
WO2001031919A1 (en) * 1999-10-27 2001-05-03 Electronics For Imaging, Inc. Portable conference center
WO2001041438A1 (en) * 1999-12-02 2001-06-07 Madge Networks Limited Video communication system
GB2357648A (en) * 1999-12-21 2001-06-27 Heping He Portable internet-camcorder
EP1130913A3 (en) * 2000-02-24 2003-10-22 Sony Corporation Image capturing apparatus and method, and recording medium therefor
US8134605B2 (en) 2000-02-24 2012-03-13 Sony Corporation Apparatus for transmitting an HTML file with a captured or stored image to an electronic device over a network
US7256821B2 (en) 2000-02-24 2007-08-14 Sony Corporation Network compatible image capturing apparatus and method
WO2001076233A1 (en) * 2000-03-30 2001-10-11 Genex Technologies, Inc. Method and apparatus for omnidirectional imaging
WO2002009060A3 (en) * 2000-07-26 2002-06-20 Livewave Inc Methods and systems for networked camera control
US8004561B2 (en) 2000-07-26 2011-08-23 Smiths Detection Inc. Methods and systems for networked camera control
US7199817B2 (en) 2000-07-26 2007-04-03 Smiths Detection Inc. Methods and systems for networked camera control
US9232239B2 (en) 2000-07-26 2016-01-05 Smiths Detection Inc. Methods and systems for networked camera control
WO2002009060A2 (en) * 2000-07-26 2002-01-31 Livewave, Inc. Methods and systems for networked camera control
WO2002023291A2 (en) * 2000-09-13 2002-03-21 Nextengine, Inc. Digital imaging system having distribution controlled over a distributed network
US7358986B1 (en) 2000-09-13 2008-04-15 Nextengine, Inc. Digital imaging system having distribution controlled over a distributed network
US6856407B2 (en) 2000-09-13 2005-02-15 Nextengine, Inc. Method for depth detection in 3D imaging providing a depth measurement for each unitary group of pixels
US7050585B2 (en) 2000-09-13 2006-05-23 Nextengine, Inc. Imaging system monitored or controlled to ensure fidelity of file captured
WO2002023291A3 (en) * 2000-09-13 2002-11-07 Nextengine Inc Digital imaging system having distribution controlled over a distributed network
US7450604B2 (en) 2002-04-20 2008-11-11 Conexant Systems, Inc. Method and apparatus for establishing circuit connections over local area networks with frequency selective impairments
US7852868B2 (en) 2002-04-20 2010-12-14 Conexant Systems, Inc. Method and apparatus for establishing circuit connections over local area networks with frequency selective impairments
DE10301457A1 (en) * 2003-01-10 2004-07-29 Vcs Video Communication Systems Ag Recording method for video / audio data
US7783930B2 (en) 2003-01-10 2010-08-24 Robert Bosch Gmbh Recording method for video/audio data
US8051336B2 (en) 2003-01-10 2011-11-01 Robert Bosch Gmbh Recording method for video/audio data
US9224145B1 (en) 2006-08-30 2015-12-29 Qurio Holdings, Inc. Venue based digital rights using capture device with digital watermarking capability
EP2269170A1 (en) * 2008-05-02 2011-01-05 Nokia Corporation Methods, computer program products and apparatus providing improved image capturing
EP2269170A4 (en) * 2008-05-02 2012-01-11 Nokia Corp Methods, computer program products and apparatus providing improved image capturing

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