WO2016004765A1 - 用于进行多点视频通讯的方法、设备及系统 - Google Patents

用于进行多点视频通讯的方法、设备及系统 Download PDF

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Publication number
WO2016004765A1
WO2016004765A1 PCT/CN2015/072902 CN2015072902W WO2016004765A1 WO 2016004765 A1 WO2016004765 A1 WO 2016004765A1 CN 2015072902 W CN2015072902 W CN 2015072902W WO 2016004765 A1 WO2016004765 A1 WO 2016004765A1
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WIPO (PCT)
Prior art keywords
image
information
time period
current time
control unit
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PCT/CN2015/072902
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English (en)
French (fr)
Inventor
葛鹏
董建明
孙喆
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP15819617.0A priority Critical patent/EP3057314A4/en
Publication of WO2016004765A1 publication Critical patent/WO2016004765A1/zh
Priority to US15/152,724 priority patent/US20160261828A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
    • H04N7/152—Multipoint control units therefor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16—Human faces, e.g. facial parts, sketches or expressions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/40—Support for services or applications
    • H04L65/403—Arrangements for multi-party communication, e.g. for conferences
    • 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
    • H04N23/61—Control of cameras or camera modules based on recognised objects
    • H04N23/611—Control of cameras or camera modules based on recognised objects where the recognised objects include parts of the human body
    • 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
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
    • H04N7/155—Conference systems involving storage of or access to video conference sessions

Definitions

  • Embodiments of the present invention relate to the field of communications, and more particularly, to a method, apparatus, and system for multipoint video communication.
  • Multi-point video communication is a communication method in which users located in multiple locations use television and/or telephone to hold a conference to transmit sound and/or images in real time. It can also attach signals such as still images, files, and faxes. Users who conduct multi-point video communication can express their opinions on TV and/or telephone, observe the other party's image, movements, expressions, etc., and display real objects, drawings, documents, or words or pictures displayed on the blackboard or whiteboard in real time. Users who participate in multi-point video communication in different locations feel as if they are talking to each other in the same place, so that they can replace the exchanges held on site.
  • each endpoint device faithfully transmits the captured image to a Multipoint Control Unit (MCU), and then the multipoint control unit will The captured image is processed and distributed to other endpoints.
  • MCU Multipoint Control Unit
  • each endpoint device does not effectively distinguish the image content uploaded to the multipoint control unit, the endpoint device often uploads the invalid image to the multipoint control unit, thereby causing transmission resources and resources of the multipoint control unit.
  • the waste is caused by the image display of other endpoint devices causing a defect in the user experience.
  • the present invention provides a method, device, and system for performing multi-point video communication, which enables the image collection target to always exist in an image corresponding to the image information reported by the multi-point control unit, thereby avoiding The system resources are not wasted in the image corresponding to the image information reported by the point control unit.
  • a method for performing multi-point video communication including: determining whether an image acquisition target exists in an image acquisition area within a current time period; if the image acquisition area does not exist in the current time period The acquisition target does not report the image information of the image acquisition area in the current time period to the multi-point control unit.
  • determining whether an image acquisition area has an image acquisition target in a current time period includes: performing detection in the image acquisition area during the current time period, and the detection target of the detection includes the following At least one of the biometric feature and the proximity card, wherein the proximity card stores identification information of an image acquisition target corresponding to the proximity card; if the current time period is not detected in the image acquisition area Detecting the target, determining that the image acquisition area does not have the image acquisition target in the current time period; if the detection target is detected in the image acquisition area during the current time period, determining that the image collection area is in the current time period The image capture target is present in the image.
  • the method further includes: if the image acquisition area has the image acquisition target in the current time period, collecting the image collection area in the current time period And the image information of the collected image acquisition area in the current time period is reported to the multi-point control unit.
  • the image collection target includes a character
  • the method further includes: if the image collection area has a character in the current time period, determining personal information of the character; The personal information of the person is reported to the multipoint control unit, so that the multipoint control unit determines the identity of the person based on the personal information of the person.
  • the personal information includes at least one of the following information: biometric information and identity information.
  • the determining personal information of the character includes: acquiring information stored in a proximity card corresponding to the character, where information stored in the proximity card is used for Identifying the character; determining personal information of the character based on the information stored in the proximity card.
  • the personal information includes identity information
  • determining the personal information of the character includes: acquiring biometric information of the character; and according to the biometric information and personal information A database that determines the identity of the person.
  • the method before the sending the personal information to the multi-point control unit, the method further includes: adding a label to the personal information, where The tag has a corresponding relationship with the collected image information of the image capturing area in the current time period; the sending the personal information to the multi-point control unit includes: adding the added to the multi-point control unit The personal information of the tag is such that the multi-point control unit matches the personal information and the image information according to the correspondence between the tag and the collected image information of the image capturing area in the current time period.
  • the method further includes: if the image acquisition area does not exist in the current time period, the image collection area is not collected at the current time. Image information within the segment.
  • the second aspect provides an apparatus for performing multipoint video communication, including: a determining module, configured to determine whether an image capturing target exists in an image capturing area in a current time period; and a sending module, configured to determine, by the determining module The image acquisition area does not have the image acquisition target in the current time period, and the image information of the image acquisition area in the current time period is not reported to the multi-point control unit.
  • the determining module includes: a detecting unit, configured to perform detection in the image capturing area during the current time period, the detected detecting target includes at least one of the following: biometrics And a proximity card, wherein the proximity card stores identification information of an image acquisition target corresponding to the proximity card; and a determining unit, if the detection unit does not detect any image in the image acquisition area during the current time period Detecting a target, determining that the image acquisition area does not have the image acquisition target within the current time period, and if the detection unit detects at least one detection target in the image acquisition area within the current time period, determining the image acquisition area The image acquisition target exists within the current time period.
  • the device further includes: an image acquisition module, configured to: if the determining module determines that the image collection area has the image collection target in the current time period, and collects The image information of the image acquisition area is in the current time period; the sending module is configured to report the image information of the image collection area collected by the image acquisition module in the current time period to the multi-point control unit.
  • the image collection target includes a character
  • the determining module is further configured to: if the image collection area has a character in the current time period, determine the person of the character
  • the sending module is further configured to report the personal information of the person determined by the determining module to the multi-point control unit, so that the multi-point control unit determines the identity of the person according to the personal information of the person.
  • the personal information includes at least one of the following information: biometric information and identity information.
  • the determining module is specifically configured to acquire information stored in a proximity card corresponding to the character, where the information stored in the proximity card is used to identify the character; The personal information of the person is determined based on the information stored in the proximity card.
  • the personal information includes identity information
  • the determining module is specifically configured to: acquire biometric information of the character, and according to the biometric information and the personal information database, Determine the identity information of the person.
  • the determining module is further configured to: add a label to the personal information before the sending module reports the personal information to the multi-point control unit, where The tag and the collected image collection area have a corresponding relationship between the image information in the current time period; the sending module is specifically configured to send, to the multi-point control unit, the personal information that the determining module adds the tag, so that The personal information and the image information are matched to the multi-point control unit according to the correspondence between the tag and the collected image information of the image capturing area in the current time period.
  • the image acquiring module is further configured to: if the determining module determines that the image capturing area does not have the image capturing target in the current time period, not collecting the image capturing area Image information of the image acquisition area within the current time period.
  • a system for multipoint video communication comprising: a plurality of endpoint devices and a multipoint control unit, wherein each of the plurality of endpoint devices is associated with at least one image acquisition region
  • the first endpoint device of the plurality of endpoint devices is configured to determine whether at least one image acquisition region corresponding to the first endpoint device has an image acquisition target within a current time period, and if the at least one image is collected The first image capturing area in the area does not have the image capturing target in the current time period, and the image information of the first image capturing area in the current time period is not reported to the multi-point control unit.
  • the first endpoint device is further configured to: when determining that the first image collection area has the image collection target in the current time period, collecting the first image collection area at the current time Image information in the segment, and reporting the collected image information of the first image acquisition area in the current time period to the multi-point control unit; the multi-point control unit is configured to receive the image sent by the first endpoint device Information, and transmitting the image information to the second endpoint device.
  • the image acquisition target is further configured to: if it is determined that the first image collection area has a character in the current time period, determine personal information of the character, and send the personal information of the character to the multi-point control unit.
  • the multipoint control unit is further configured to receive the personal information sent by the first endpoint device, determine identity information of the person corresponding to the personal information, and send the identity information of the character to the second endpoint device.
  • the personal information includes biometric information; the multipoint control unit is specifically configured to determine the biometric according to the received biometric information and the personal information database.
  • a fourth aspect provides an apparatus for performing multi-point video communication, including: N sensors and a transmitter, wherein each of the N sensors corresponds to an image acquisition area; a first sensor of the N sensors is configured to determine whether an image acquisition target exists in a first image acquisition area corresponding to the first sensor in a current time period; and the transmitter is configured to determine, if the first sensor determines the first The image acquisition area does not have the image acquisition target in the current time period, and the image information of the first image acquisition area in the current time period is not reported to the multi-point control unit.
  • the device further includes: M cameras, 1 ⁇ N ⁇ M, the first sensor corresponding to at least one of the M cameras, wherein the at least one The first camera is configured to: if the first sensor determines that the first image capturing area has the image capturing target in the current time period, and collect image information of the first image capturing area in the current time period; the transmitter The image information of the first image acquisition area collected by the at least one first camera in the current time period is also reported to the multi-point control unit.
  • the image collection target includes a character
  • the device further includes: a processor, configured to: if the first sensor determines that the first image acquisition area is at the current a person is present in the time period, and the personal information of the person is determined; the transmitter is further configured to report the personal information of the person determined by the processor to the multi-point control unit, so that the multi-point control unit is based on the personal information of the person Determine the identity of the character.
  • the at least one first camera is further configured to: if the first sensor determines that the first image collection area has the image collection target in the current time period And not acquiring image information of the first image acquisition area in the current time period.
  • the method, device and system for performing multi-point video communication determine whether an image acquisition target exists in an image acquisition area within a current time period, and And if the image acquisition area does not have the image acquisition target in the current time period, the image information of the image acquisition area in the current time period is not reported to the multi-point control unit, and the report can be reported to the multi-point control unit.
  • the image acquisition target always exists in the image corresponding to the image information, avoiding waste of system resources caused by the absence of the image collection target in the image corresponding to the image information reported by the multi-point control unit, thereby saving system resources and Reduce the load on the multipoint control unit and enhance the overall performance of the multipoint video communication system.
  • FIG. 1 is a schematic diagram of an example of an application scenario according to an embodiment of the present invention.
  • FIG. 2 is a schematic flowchart of a method for performing multipoint video communication according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart of a method for performing multipoint video communication according to another embodiment of the present invention.
  • FIG. 4 is a schematic flowchart of a method for performing multipoint video communication according to still another embodiment of the present invention.
  • FIG. 5 is a schematic block diagram of an apparatus for performing multipoint video communication according to an embodiment of the present invention.
  • FIG. 6 is a schematic block diagram of an apparatus for performing multipoint video communication according to another embodiment of the present invention.
  • FIG. 7 shows an example of an apparatus for performing multipoint video communication provided by an embodiment of the present invention.
  • the communication system 100 includes: a plurality of endpoint devices 101 and a multipoint control unit 102, wherein each of the plurality of endpoint devices 101 can include a camera and a transmitter, and the camera is configured to collect image collection corresponding to the camera. Image information of the area, the transmitter is configured to send image information collected by the camera to the multipoint control unit 102; correspondingly, the multipoint control unit 102 receives an image sent by each of the plurality of endpoint devices 101 The information is sent to the other endpoint device 101 by the received image information transmitted by the endpoint device 101.
  • the endpoint device 101 receives the image information transmitted by the multipoint control unit 102 and can present the image information through the display of the endpoint device 101.
  • the multiple endpoint devices 101 may be in different geographical locations or have different network addresses, for example, multiple endpoint devices disposed in different conference rooms, and the like.
  • 1 shows four endpoint devices, namely, endpoint device 1, endpoint device 2, endpoint device 3, and endpoint device 4.
  • the number of endpoint devices is not limited in the embodiment of the present invention.
  • the implementation form of the endpoint device 101 is not limited in the embodiment of the present invention.
  • the endpoint device may be a handheld mobile device or a fixedly set device, and the endpoint device may have a sound and image capture function, a display function, and a function of interacting with the MCU, but the embodiment of the present invention is not limited thereto.
  • the endpoint device 101 when the plurality of endpoint devices 101 are in an on state, image information is always collected, and the collected image information is sent to the multipoint control unit 102, in the process, the endpoint device 101
  • the image information reported by the multi-point control unit 102 may correspond to an invalid image.
  • the image corresponding to the acquired image information has only a background and no image acquisition target, which may cause transmission resources and the multi-point control unit 102.
  • the waste of resources increases the load on the multipoint control unit 102, thereby reducing the overall performance of the multipoint video communication system 100.
  • FIG. 2 is a schematic flowchart of a method 200 for performing multipoint video communication according to an embodiment of the present invention.
  • the method 200 can be performed by a device for performing multipoint video communication (e.g., the endpoint device 101 shown in FIG. 1).
  • the image acquisition target can be preset or determined according to user instructions.
  • the image collection target may include one or more targets, such as a character, a display screen of a projector, a computer screen, various paper media, a photo, and the like, which are not limited by the embodiment of the present invention.
  • the length of the current time period may be preset or determined according to a user instruction, for example, the length of the current time period may be equal to zero, that is, the current time period is specifically the current time; or the current time
  • the length of the interval may be a few seconds or tens of seconds (for example, 10 seconds), which is not limited by the embodiment of the present invention.
  • the device for performing multi-point video communication does not report the image information in the current image capturing area to the multi-point control unit.
  • the device for performing multi-point video communication may collect image information in the image collection area during the current time period, but not report the collected image information to the multi-point control unit; or the The device of the multi-point video communication may not collect the image information of the image capturing area in the current time period and report the image information of the image capturing area in the current time period to the device for performing multi-point video communication.
  • the embodiment of the invention does not limit this.
  • a method for performing multipoint video communication determines whether an image acquisition target exists in an image acquisition area within a current time period, and if the image acquisition area does not exist in the current time period If the target is acquired, the image information of the image acquisition area in the current time period is not reported to the multi-point control unit, so that the image collection target always exists in the image corresponding to the image information reported by the multi-point control unit, thereby avoiding The system resource is wasted due to the absence of the image acquisition target in the image corresponding to the image information reported by the multi-point control unit, thereby saving system resources and reducing the load of the multi-point control unit, and enhancing the overall multipoint video communication system performance.
  • the method 200 further includes:
  • the image acquisition area has the image acquisition target in the current time period, collecting image information of the image acquisition area in the current time period;
  • the collected image information of the image capturing area in the current time period is reported to the multi-point control unit.
  • the device for performing multi-point video communication may correspond to one or more image collection areas.
  • the device for performing multi-point video communication may determine the first of the plurality of image collection areas in S210. Whether the image capturing area has an image capturing target in the current time period, and if the first image capturing area does not have an image capturing target within the current time period, the device for performing multi-point video communication is not in S220. The image information of the first image acquisition area in the current time is reported to the multi-point control unit.
  • the device for performing multi-point video communication may also determine the multiple image collection areas.
  • the The device of the multi-point video communication may collect the image information of the second image capturing area in the current time period, and report the collected image information to the multi-point control unit, but the embodiment of the present invention is not limited thereto.
  • the device for performing multi-point video communication can determine whether the image acquisition area has an image acquisition target in the current time period in various manners.
  • determining whether an image collection area has an image collection target in the current time period including:
  • the detected detection target includes at least one of the following: a biometric feature and a proximity card, wherein the proximity card stores an image acquisition target corresponding to the proximity card Identification information;
  • the detection target is detected in the image acquisition area during the current time period, it is determined that the image acquisition area has the image acquisition target in the current time period.
  • the presence of the detection target can indicate the presence of the image acquisition target.
  • the detection target may be the same as the image collection target, or the detection target is an appendage of the image acquisition target, but the embodiment of the present invention is not limited thereto.
  • the image capturing target includes a character
  • the detecting target may include a biometric feature and/or a proximity card, wherein the proximity card stores identification information of the owner of the proximity card (eg, name, work unit or position, etc.
  • the inductive card may be an IC card or a magnetic card, and the like, and the content included in the detection target and the specific implementation of the content are not limited in the embodiment of the present invention.
  • the device for performing multi-point video communication may detect the presence of the proximity card in the image collection area by using an inductive technology, for example, the near field communication technology (NFC), but the present invention
  • the biometrics may include a face, a voice, a fingerprint, an iris, a retina or a handwriting, and the like
  • the device for performing multi-point video communication may adopt a biometric recognition technology corresponding to a biometric feature.
  • the biometric recognition technology may include facial recognition technology, speaker recognition technology, fingerprint recognition technology, iris recognition technology, retina recognition technology or signature recognition technology, and the like, This embodiment of the present invention does not limit this.
  • the device for performing multipoint video communication may be initially at the current time period The detection is continued until the detection of the existence of the detection target or the current time period is timed out; or the device for performing multi-point video communication can also detect the image acquisition area only at the initial time of the current time period.
  • the embodiment of the present invention does not limit the presence or absence of the detection target in the current time period. If the device for performing multi-point video communication does not detect any detection target within the current time period, the device for performing multi-point video communication determines that the image acquisition area does not have image collection during the current time period.
  • the device for performing multipoint video communication detects at least one detection target within the current time period, for example, detecting the presence of a person and/or a proximity card, the device for performing multipoint video communication It is determined that the image acquisition area does not have an image acquisition target in the current time period, but the embodiment of the present invention is not limited thereto.
  • the method 200 further includes:
  • the personal information of the person is reported to the multipoint control unit, so that the multipoint control unit determines the identity of the person based on the personal information of the person.
  • personal information of a person may include various information related to the person, such as identity information (eg, name, position, work unit or department, etc.), biometric information (eg, speaking information)
  • identity information e.g., name, position, work unit or department, etc.
  • biometric information e.g, speaking information
  • the fingerprint information, the signature information, the retina information, and the like, the personal resume information, and the like are not limited in the embodiment of the present invention.
  • the device for performing multi-point video communication can determine the personal information of the person in various manners.
  • the device for performing multi-point video communication may determine the personal information of the character by acquiring information stored in the character's proximity card.
  • determining the personal information of the character comprises: acquiring information stored in the proximity card corresponding to the character, the information stored in the proximity card is used to identify the character; determining according to the information stored in the proximity card Personal information of the character. That is, the information stored in the proximity card detected in the image collection area is obtained, and the personal information of the person corresponding to the proximity card is determined according to the information.
  • the person corresponding to the proximity card may be the sensor.
  • the owner of the card, or the holder of the card may include the identity information, which is not limited by the embodiment of the present invention.
  • the The device for multi-point video communication can determine the identity of the person corresponding to the biometric based on the detected biometric and personal information database.
  • the personal information reported to the multipoint control unit includes identity information, and correspondingly, determining the personal information of the character includes: acquiring biometric information of the character; and according to the static image information and the personal information database, Determine the identity information of the person.
  • the device for performing multi-point video communication may input the biometric information of the character into the personal information database to determine the person who matches the biometric information and the identity of the person, but the embodiment of the present invention is not limited thereto. .
  • the device for performing multipoint video communication may determine the determined The biometric information is sent to the multipoint control unit, and the multipoint control unit determines the identity of the person corresponding to the biometric information based on the biometric information and the personal information database.
  • the device for performing multi-point video communication may acquire still image information (for example, photographing) of the character, and send the still image information to the multi-point control unit, but the embodiment of the present invention is not limited thereto.
  • the personal information reported by the device for performing multipoint video communication to the multipoint control unit includes the identity information, the multipoint control unit may directly determine the identity corresponding to the identity information, but the embodiment of the present invention is not limited thereto.
  • the device for performing multipoint video communication may separately or jointly send the personal information of the character and the image information of the image collection area collected in the current time period to the multipoint control. unit.
  • the method before the sending the personal information to the multi-point control unit, the method further includes: adding a label to the personal information, wherein the label and the collected image of the image collection area in the current time period are There is a correspondence between the information;
  • the sending the personal information to the multi-point control unit comprises: transmitting the personal information to which the tag is added to the multi-point control unit, so that the multi-point control unit collects the collected image according to the tag.
  • the correspondence between the image information of the region in the current time period matches the personal information and the image information.
  • the device for performing multi-point video communication may only label the personal information, and the label has a correspondence relationship with the image information collected by the image collection area, for example, the label includes the image.
  • the identity information corresponding to the personal information may be determined, and the identity information and the image information are transmitted to other devices (eg, other endpoint devices) that perform video communication.
  • the other device for performing video communication may present the identity information while displaying the image corresponding to the image information, so that the user has a deeper understanding of the information of the remote user, such as the name, while communicating with the remote user. Jobs, organizational relationships, geographic characteristics, etc., thereby improving the efficiency of remote communication and improving the user experience.
  • the device for performing multi-point video communication may separately determine personal information of the plurality of people, and send the personal information to the multi-point control unit.
  • the other device performing video communication can display the identity information of each of the plurality of people while presenting the image.
  • the device for performing multipoint video communication may also determine an intersection of personal information of the plurality of characters, and send the determined personal information of the plurality of characters to the multipoint control unit. The intersection of.
  • the determined personal information of the person in the image collection area includes: “A-R&D project manager-R&D department-Shenzhen” and “B-R&D engineer-R&D department-Shenzhen”, which is used for multi-point video communication
  • the device can report the intersection of personal information of A and B to the multi-point control unit "R&D Department - Shenzhen".
  • the other device for performing video communication may display the intersection of the personal information while presenting the image, but the embodiment of the present invention is not limited thereto.
  • the method further includes: if the image acquisition area does not exist in the current time period, the image information of the image acquisition area in the current time period is not collected.
  • a method for performing multipoint video communication determines whether an image acquisition target exists in an image acquisition area within a current time period, and if the image acquisition area does not exist in the current time period If the target is acquired, the image information of the image acquisition area in the current time period is not reported to the multi-point control unit, so that the image collection target always exists in the image corresponding to the image information reported by the multi-point control unit, thereby avoiding The system resource is wasted due to the absence of the image acquisition target in the image corresponding to the image information reported by the multi-point control unit, thereby saving system resources and reducing the load of the multi-point control unit, and enhancing the overall multipoint video communication system performance.
  • FIG. 3 is a schematic flowchart of a method 300 for performing video communication according to another embodiment of the present invention.
  • the image capturing target includes a person, but the embodiment of the present invention is not limited thereto.
  • the method 300 is applicable to a scenario in which the device for performing video communication is in an unacquired state.
  • the device that performs video communication has just started or does not sense the presence of a person in the image capturing area in the previous time period, but the present invention is implemented. The example is not limited to this.
  • S310 using sensing technology, detects the presence of the proximity card in the image acquisition area.
  • S320b Obtain identity information stored in the proximity card.
  • the identity information may include a name, and optionally, the identity information may further include a position, a work unit, and the like. If the acquisition of the identity information is successful, then S330 and S340 are performed; otherwise, S320b is continued. Optionally, after the device fails to perform S320b, the device may only send the collected image information to the multi-point control unit, and perform S320 again after the preset time interval, where the preset time interval may be several seconds. The embodiment of the present invention does not limit this.
  • a method for performing multipoint video communication determines whether an image acquisition target exists in an image acquisition area within a current time period, and if the image acquisition area does not exist in the current time period If the target is acquired, the image information of the image acquisition area in the current time period is not reported to the multi-point control unit, so that the image collection target always exists in the image corresponding to the image information reported by the multi-point control unit, thereby avoiding The system resource is wasted due to the absence of the image acquisition target in the image corresponding to the image information reported by the multi-point control unit, thereby saving system resources and reducing the load of the multi-point control unit, and enhancing the overall multipoint video communication system performance.
  • FIG. 4 is a schematic flowchart of a method 400 for performing video communication according to still another embodiment of the present invention.
  • the image capturing target includes a person, but the embodiment of the present invention is not limited thereto.
  • the method 400 is applicable to a scenario in which the device for performing video communication is in an image acquisition state.
  • the personal information may include a still picture taken in real time, or a photo of a certificate, etc., if it is determined that the personal information is successful, S440, S450, and S460 are performed; otherwise, S430b is continued.
  • the device may only send the collected image information to the multi-point control unit, and execute S430b again after the preset time interval, where the preset time interval may be several seconds. The embodiment of the present invention does not limit this.
  • a method for performing multipoint video communication determines whether an image acquisition target exists in an image acquisition area within a current time period, and if the image acquisition area does not exist in the current time period If the target is acquired, the image information of the image acquisition area in the current time period is not reported to the multi-point control unit, so that the image collection target always exists in the image corresponding to the image information reported by the multi-point control unit, thereby avoiding The system resource is wasted due to the absence of the image acquisition target in the image corresponding to the image information reported by the multi-point control unit, thereby saving system resources and reducing the load of the multi-point control unit, and enhancing the overall multipoint video communication system performance.
  • FIG. 3 and FIG. 4 are intended to help those skilled in the art to better understand the embodiments of the present invention and not to limit the scope of the embodiments of the present invention.
  • a person skilled in the art will be able to make various modifications or changes in the embodiments according to the examples of FIG. 3 and FIG. 4, and such modifications or variations are also within the scope of the embodiments of the present invention.
  • a method for performing multipoint video communication according to an embodiment of the present invention is described in detail above with reference to FIG. 1 to FIG. 4, and a description will be given below with reference to FIG. 5 to FIG. Equipment and systems for multi-point video communication.
  • FIG. 5 is a schematic block diagram of an apparatus 500 for performing multipoint video communication according to an embodiment of the present invention.
  • the device 500 includes:
  • a determining module 510 configured to determine whether an image capturing target exists in the image capturing area within a current time period
  • the sending module 520 is configured to: if the determining module 510 determines that the image capturing area does not have the image capturing target in the current time period, not reporting the image information of the image capturing area in the current time period to the multi-point control unit .
  • an apparatus for performing multipoint video communication determines whether an image acquisition target exists in an image acquisition area within a current time period, and if the image acquisition area does not exist in the current time period If the target is acquired, the image information of the image acquisition area in the current time period is not reported to the multi-point control unit, so that the image collection target always exists in the image corresponding to the image information reported by the multi-point control unit, thereby avoiding The system resource is wasted due to the absence of the image acquisition target in the image corresponding to the image information reported by the multi-point control unit, thereby saving system resources and reducing the load of the multi-point control unit, and enhancing the overall multipoint video communication system performance.
  • the determining module 510 includes:
  • a detecting unit configured to perform detection in the image capturing area during the current time period, the detected detecting target includes at least one of the following: a biometric feature and a proximity card, wherein the proximity card stores the proximity card Corresponding image collection target identification information;
  • a determining unit configured to: if the detecting unit does not detect any detection target in the image capturing area during the current time period, determine that the image capturing area does not have the image capturing target within the current time period, and if the detecting The unit detects at least one detection target in the image acquisition area during the current time period, and determines that the image acquisition area has the image acquisition target in the current time period.
  • the device 500 further includes:
  • An image acquisition module configured to: if the determining module 510 determines that the image capturing area has the image capturing target in the current time period, and collect image information of the image capturing area in the current time period;
  • the sending module 520 is further configured to report the image information of the image capturing area collected by the image collecting module in the current time period to the multi-point control unit.
  • the image collection target includes a character
  • the determining module 510 is further configured to: if the image collection area has a character in the current time period, determine personal information of the character;
  • the sending module 520 is further configured to report the personal information of the person determined by the determining module 510 to the multi-point control unit, so that the multi-point control unit determines the identity of the person according to the personal information of the person.
  • the personal information comprises at least one of the following information: biometric information and identity information.
  • the determining module 510 is specifically configured to acquire information stored in a proximity card corresponding to the character, where information stored in the proximity card is used to identify the character; Information that identifies the person's personal information.
  • the personal information includes identity information
  • the determining module 510 is specifically configured to: acquire biometric information of the character, and determine the character according to the biometric information and the personal information database. Identity information.
  • the determining module 510 is further configured to: add a label to the personal information before the sending module 520 reports the personal information to the multi-point control unit, where the label is collected
  • the image collection area has a corresponding relationship between the image information in the current time period
  • the sending module 520 is specifically configured to send, to the multi-point control unit, the personal information that the determining module 510 adds the tag, so that the multi-point control unit is configured according to the tag and the collected image capturing area.
  • the correspondence between the image information in the current time period matches the personal information and the image information.
  • the image acquisition module is further configured to: if the determining module 510 determines that the image capturing area does not have the image capturing target within the current time period, not collecting the image capturing area at the current Image information within the time period.
  • the apparatus 500 for performing multipoint video communication according to an embodiment of the present invention may correspond to an execution body of a method for performing multipoint video communication according to an embodiment of the present invention, and is used in a device 500 for performing multipoint video communication.
  • the above and other operations and/or functions of the respective modules are respectively implemented in order to implement the respective processes of the respective methods in FIG. 2 to FIG. 4, and are not described herein again for brevity.
  • an apparatus for performing multipoint video communication determines whether an image acquisition target exists in a current time period by an image acquisition area, and if the image acquisition area If the image acquisition target does not exist in the current time period, the image information of the image acquisition area in the current time period is not reported to the multi-point control unit, and the image corresponding to the image information reported by the multi-point control unit can be caused.
  • the image acquisition target always exists in the system to avoid waste of system resources caused by the absence of the image collection target in the image corresponding to the image information reported by the multi-point control unit, thereby saving system resources and reducing the multi-point control unit. Load, enhance the overall performance of multi-point video communication systems.
  • an embodiment of the present invention further provides a system 600 for performing multipoint video communication.
  • the architecture of the system 600 for performing multipoint video communication is similar to the multipoint video communication system shown in FIG.
  • the system 600 includes a plurality of endpoint devices 601 and a multipoint control unit 602, wherein each of the plurality of endpoint devices 601 corresponds to at least one image acquisition region,
  • the first endpoint device 601 of the plurality of endpoint devices 601 is configured to determine whether at least one image acquisition region corresponding to the first endpoint device 601 has an image acquisition target within a current time period, and if the at least one image The first image acquisition area in the collection area does not have the image acquisition target in the current time period, and the image information of the first image acquisition area in the current time period is not reported to the multi-point control unit 602.
  • the first endpoint device 601 is further configured to: if it is determined that the first image collection area has the image collection target in the current time period, collecting the first image collection area at the current Image information in the time period, and reporting the collected image information of the first image collection area in the current time period to the multi-point control unit 602;
  • the multipoint control unit 602 is configured to receive image information sent by the first endpoint device 601, and send the image information from the first endpoint device 601 to the second endpoint device 601.
  • the multi-point control unit 602 may directly send the image information to the second endpoint device after receiving the image information sent by the first endpoint device 601, or may process the image information and then The second endpoint device sends the image information, which is not limited by the embodiment of the present invention.
  • the multi-point control unit 602 may actively send image information from the first endpoint device to the second device, where the second endpoint device may be the first one of the plurality of endpoint devices.
  • the endpoint device other than the endpoint device; or the multipoint control unit 602 may receive the request message of the second endpoint device, where the request message is used to request image information of the first endpoint device, and accordingly, the The multipoint control unit 602 sends the image information from the first endpoint device to the second endpoint device according to the request message, and the second endpoint device may be the multiple endpoints.
  • Any of the devices in the device may be a first endpoint device or a device other than the first endpoint device, which is not limited in this embodiment of the present invention.
  • the image collection target includes a character
  • the first endpoint device 601 is further configured to: if the first image collection area is determined to have a character in the current time period, determine the character Personal information, and send the personal information of the person to the multipoint control unit 602;
  • the multipoint control unit 602 is further configured to receive the personal information sent by the first endpoint device 601, determine the identity of the person corresponding to the personal information, and send the identity of the person to the second endpoint device 601. information.
  • the multipoint control unit 602 can directly determine the identity information of the person; and if the personal information includes biometric information, the multipoint control unit 602 can The personal information database is input to determine the identity information of the person corresponding to the biometric information, but the embodiment of the present invention is not limited thereto.
  • the multipoint control unit may send image information and identity information corresponding to the first endpoint device to the second endpoint device, so that the second endpoint device can simultaneously present the image in the first endpoint device to the user. And the identity information of the characters in the image, thereby improving the user experience.
  • the personal information includes biometric information
  • the multipoint control unit 602 is configured to determine, according to the received biometric information and the personal information database, the biometric information corresponding to the biometric information. Identity information of the characters.
  • an apparatus for performing multipoint video communication determines whether an image acquisition target exists in an image acquisition area within a current time period, and if the image acquisition area does not exist in the current time period If the target is acquired, the image information of the image acquisition area in the current time period is not reported to the multi-point control unit, so that the image collection target always exists in the image corresponding to the image information reported by the multi-point control unit, thereby avoiding The system resource is wasted due to the absence of the image acquisition target in the image corresponding to the image information reported by the multi-point control unit, thereby saving system resources and reducing the load of the multi-point control unit, and enhancing the overall multipoint video communication system performance.
  • FIG. 6 is an apparatus 700 for performing multipoint video communication according to another embodiment of the present invention.
  • the device 700 includes: N sensors 710 and a transmitter 720, wherein each of the N sensors 710 senses The 710 corresponds to an image acquisition area;
  • the first sensor 710 of the N inductors 710 is used to determine the first sensor 710 Whether there is an image acquisition target in the corresponding first image acquisition area in the current time period;
  • the transmitter 720 is configured to: if the first sensor 710 determines that the first image capturing area does not have the image capturing target in the current time period, and not report the first image capturing area to the current time in the current time. Image information within the segment.
  • the device further includes: M cameras, 1 ⁇ N ⁇ M, the first sensor 710 corresponds to at least one of the M cameras, wherein
  • the at least one first camera is configured to: if the first sensor 710 determines that the first image capturing area has the image capturing target in the current time period, and collect image information of the first image capturing area in the current time period ;
  • the transmitter 720 is further configured to report the image information of the first image capturing area collected by the at least one first camera in the current time period to the multi-point control unit.
  • Each of the M cameras corresponds to one sensor 710, and the corresponding camera and sensor correspond to the same image capturing area, for example, the first sensor 710 and the at least one first camera correspond to The first image acquisition area.
  • the at least one first camera may always collect image information of the first image capturing area, and the transmitter 720 determines the first image capturing area only at the first sensor 710.
  • the image information of the first image capturing area collected by the at least one first camera in the current time period is sent to the multi-point control unit.
  • the at least one first camera may also collect the first image only when the first sensor 710 determines that the first image capturing area has an image capturing target within a current time period. The image information of the area in the current time period is acquired.
  • the at least one first camera is further configured to: if the first sensor 710 determines that the first image capturing area has the image capturing target in the current time period, not collecting the first image capturing area at the current time Image information within the segment.
  • the image collection target includes a character
  • the device further includes: a processor, configured to: if the first sensor 710 determines that the first image collection area is in the current time period of memory In the character, determine the personal information of the character;
  • the transmitter 720 is further configured to report the personal information of the person determined by the processor to the multipoint control unit, so that the multipoint control unit determines the identity of the person according to the personal information of the person.
  • the number of the at least one first camera may be one, that is, the first sensor 710 corresponds to one camera, but the embodiment of the present invention is not limited thereto.
  • the first sensor 710 is specifically configured to perform detection in the first image collection area during the current time period, where the detected detection target includes at least one of the following: a creature a feature and a proximity card, wherein the proximity card stores identification information of an image collection target corresponding to the proximity card;
  • the detection target is not detected in the first image collection area during the current time period, determining that the first image acquisition area does not exist in the current time period;
  • the detection target is detected in the first image acquisition area during the current time period, it is determined that the first image acquisition area has the image collection target in the current time period.
  • the processor may be specifically configured to acquire information stored in the proximity card corresponding to the character, where the information stored in the proximity card is used to identify the a character; and determining personal information of the character based on the information stored in the proximity card.
  • the processor may be further configured to detect a biometric and personal information database in the first image collection area according to the first sensor 710. The identity information of the person corresponding to the biometric is determined. If the processor 720 cannot determine the identity of the person corresponding to the biometric, for example, the device 700 does not include the personal information database, the transmitter 720 can also be configured to send the first sensor 710 to the multipoint control unit. Biometric information, and the multi-point control unit determines the identity information of the person based on the biometric information.
  • the processor is further configured to add a label to at least one of the following objects, that is, the image information collected by the at least one first camera and the person determined by the first sensor 710
  • the personal information, the transmitter 720 is specifically configured to send the image information and/or personal information with the label added to the multi-point control unit, so that the multi-point control unit can match the image information and the personal information according to the label, and
  • the image information and the personal information corresponding to the first sensor 710 are distinguished from the image information and the personal information corresponding to the other sensors 710, but the embodiment of the present invention is not limited thereto.
  • an apparatus for performing multipoint video communication determines whether an image acquisition target exists in an image acquisition area within a current time period, and if the image acquisition area does not exist in the current time period If the target is acquired, the image information of the image acquisition area in the current time period is not reported to the multi-point control unit, so that the image collection target always exists in the image corresponding to the image information reported by the multi-point control unit, thereby avoiding Due to the multipoint control list
  • the image corresponding to the image information reported by the meta-report does not have the waste of system resources caused by the image acquisition target, thereby saving system resources and reducing the load of the multi-point control unit, and enhancing the overall performance of the multi-point video communication system.
  • FIG. 7 shows an example of an apparatus 800 for performing multipoint video communication provided by an embodiment of the present invention.
  • the device 800 includes a plurality of cameras 801, a plurality of displays 802, and a plurality of sensors 803.
  • the plurality of displays 802 are configured to display an image corresponding to the image information sent by the multi-point control unit, or display an image corresponding to the image information sent by the multi-point control unit, and corresponding to the image information. Identity information, but embodiments of the present invention are not limited thereto.
  • association relationship describing the associated object indicates that there may be three relationships.
  • a and/or B may indicate that A exists separately, and A and B exist simultaneously, and B cases exist alone.
  • the character / in this paper generally indicates that the contextual object is an OR relationship.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, or an electrical, mechanical or other form of connection.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the embodiments of the present invention.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • the technical solution of the present invention contributes in essence or to the prior art, or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium.
  • a number of instructions are included to cause a computer device (which may be a personal computer, a multipoint control unit, or a network device, etc.) to perform all or part of the steps of the methods of the various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

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Abstract

本发明公开了一种用于进行多点视频通讯的方法、设备及系统，该方法包括：确定图像釆集区域在当前时间段内是否存在图像釆集目标；若该图像釆集区域在该当前时间段内不存在该图像釆集目标，不向多点控制单元上报该图像釆集区域在该当前时间段内的图像信息。本发明公开的于进行多点视频通讯的方法、设备及系统，能够使得向该多点控制单元上报的图像信息所对应的图像中总是存在该图像釆集目标，避免由于向该多点控制单元上报的图像信息所对应的图像中不存在图像釆集目标而造成的系统资源的浪费，从而节约系统资源并且降低多点控制单元的负荷，增强多点视频通讯系统的整体性能。

Description

用于进行多点视频通讯的方法、设备及系统
本申请要求于2014年7月8日提交中国专利局、申请号为201410322999.1、发明名称为“用于进行多点视频通讯的方法、设备及系统”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明实施例涉及通信领域，并且更具体地，涉及用于进行多点视频通讯的方法、设备及系统。
背景技术
多点视频通讯是一种分别位于多个地点的用户采用电视和/或电话举行会议，以实时传送声音和/或图像的通信方式。它同时还可以附加静止图像、文件、传真等信号的传送。进行多点视频通讯的用户可以通过电视和/或电话发表意见，同时观察对方的形象、动作、表情等，并能实时展示实物、图纸、文件、或者显示在黑板、白板上的字或图，使得在不同地点参加多点视频通讯的用户感到如同和对方在同地点进行交谈，从而可以代替现场举行的交流。
在现有技术中，参与多点视频通讯的用户分布在不同的端点，每一个端点设备如实地把拍摄图像传送到多点控制单元(Multipoint Control Unit，MCU)，再由该多点控制单元将该拍摄图像进行处理并分发到其他端点。然而，由于每一个端点设备对其向多点控制单元上传的图像内容没有进行有效性区分，导致端点设备往往把无效图像上传至该多点控制单元，从而造成传输资源以及多点控制单元的资源的浪费，并且使得其他端点设备的图像显示造成用户体验上的缺陷。
发明内容
本发明提供了一种用于进行多点视频通讯的方法、设备及系统，能够使得向该多点控制单元上报的图像信息所对应的图像中总是存在该图像采集目标，避免由于向该多点控制单元上报的图像信息所对应的图像中不存在图像采集目标而造成的系统资源的浪费。
第一方面，提供了一种用于进行多点视频通讯的方法，包括：确定图像采集区域在当前时间段内是否存在图像采集目标；若该图像采集区域在该当前时间段内不存在该图像采集目标，不向多点控制单元上报该图像采集区域在该当前时间段内的图像信息。
在第一种可能的实现方式中，该确定图像采集区域在当前时间段内是否存在图像采集目标，包括：在该当前时间段内，在该图像采集区域进行检测，该检测的检测目标包括下列中的至少一项：生物特征和感应卡，其中，该感应卡存储有与该感应卡相对应的图像采集目标的标识信息；若在该当前时间段内，未在该图像采集区域检测到该检测目标，确定该图像采集区域在该当前时间段内不存在该图像采集目标；若在该当前时间段内，在该图像采集区域检测到该检测目标，确定该图像采集区域在该当前时间段内存在该图像采集目标。
结合上述可能的实现方式，在第二种可能的实现方式中，该方法还包括：若该图像采集区域在该当前时间段内存在该图像采集目标，采集该图像采集区域在该当前时间段内的图像信息；向该多点控制单元上报采集到的该图像采集区域在该当前时间段内的图像信息。
结合上述可能的实现方式，在第三种可能的实现方式中，该图像采集目标包括人物，该方法还包括：若该图像采集区域在该当前时间段内存在人物，确定该人物的个人信息；向该多点控制单元上报该人物的个人信息，以便于该多点控制单元根据该人物的个人信息确定该人物的身份。
结合上述可能的实现方式，在第四种可能的实现方式中，该个人信息包括下列信息中的至少一项：生物特征信息和身份信息。
结合上述可能的实现方式，在第五种可能的实现方式中，该确定该人物的个人信息，包括：获取与该人物相对应的感应卡内存储的信息，该感应卡内存储的信息用于标识该人物；根据该感应卡内存储的信息，确定该人物的个人信息。
结合上述可能的实现方式，在第六种可能的实现方式中，该个人信息包括身份信息，该确定该人物的个人信息，包括：获取该人物的生物特征信息；根据该生物特征信息和个人信息数据库，确定该人物的身份信息。
结合上述可能的实现方式，在第七种可能的实现方式中，在该向该多点控制单元发送该个人信息之前，该方法还包括：为该个人信息添加标签，其 中，该标签与采集到的该图像采集区域在该当前时间段内的图像信息之间存在对应关系；该向该多点控制单元发送该个人信息，包括：向该多点控制单元发送添加了该标签的该个人信息，以便于该多点控制单元根据该标签与采集到的该图像采集区域在该当前时间段内的图像信息之间的对应关系匹配该个人信息和该图像信息。
结合上述可能的实现方式，在第八种可能的实现方式中，该方法还包括：若该图像采集区域在该当前时间段内不存在该图像采集目标，不采集该图像采集区域在该当前时间段内的图像信息。
第二方面，提供了一种用于进行多点视频通讯的设备，包括：确定模块，用于确定图像采集区域在当前时间段内是否存在图像采集目标；发送模块，用于若该确定模块确定该图像采集区域在该当前时间段内不存在该图像采集目标，不向该多点控制单元上报该图像采集区域在该当前时间段内的图像信息。
在第一种可能的实现方式中，该确定模块包括：检测单元，用于在该当前时间段内，在该图像采集区域进行检测，该检测的检测目标包括下列中的至少一项：生物特征和感应卡，其中，该感应卡存储有与该感应卡相对应的图像采集目标的标识信息；确定单元，用于若该检测单元在该当前时间段内，未在该图像采集区域检测到任何检测目标，确定该图像采集区域在该当前时间段内不存在该图像采集目标，以及若该检测单元在该当前时间段内，在该图像采集区域检测到至少一个检测目标，确定该图像采集区域在该当前时间段内存在该图像采集目标。
结合上述可能的实现方式，在第二种可能的实现方式中，该设备还包括：图像采集模块，用于若该确定模块确定该图像采集区域在该当前时间段内存在该图像采集目标，采集该图像采集区域在该当前时间段内的图像信息；该发送模块具体用于向该多点控制单元上报该图像采集模块采集到的该图像采集区域在该当前时间段内的图像信息。
结合上述可能的实现方式，在第三种可能的实现方式中，该图像采集目标包括人物，该确定模块还用于：若该图像采集区域在该当前时间段内存在人物，确定该人物的个人信息；该发送模块还用于向该多点控制单元上报该确定模块确定的该人物的个人信息，以便于该多点控制单元根据该人物的个人信息确定该人物的身份。
结合上述可能的实现方式，在第四种可能的实现方式中，该个人信息包括下列信息中的至少一项：生物特征信息和身份信息。
结合上述可能的实现方式，在第五种可能的实现方式中，该确定模块具体用于获取与该人物相对应的感应卡内存储的信息，该感应卡内存储的信息用于标识该人物；根据该感应卡内存储的信息，确定该人物的个人信息。
结合上述可能的实现方式，在第六种可能的实现方式中，该个人信息包括身份信息，该确定模块具体用于：获取该人物的生物特征信息，以及根据该生物特征信息和个人信息数据库，确定该人物的身份信息。
结合上述可能的实现方式，在第七种可能的实现方式中，该确定模块还用于：在该发送模块向该多点控制单元上报该个人信息之前，为该个人信息添加标签，其中，该标签与采集到的该图像采集区域在该当前时间段内的图像信息之间存在对应关系；该发送模块具体用于向该多点控制单元发送该确定模块添加了该标签的该个人信息，以便于该多点控制单元根据该标签与采集到的该图像采集区域在该当前时间段内的图像信息之间的对应关系匹配该个人信息和该图像信息。
结合上述可能的实现方式，在第八种可能的实现方式中，该图像采集模块还用于：若该确定模块确定该图像采集区域在该当前时间段内不存在该图像采集目标，不采集该图像采集区域在该当前时间段内的图像信息。
第三方面，提供了一种用于进行多点视频通讯的系统，包括：多个端点设备和多点控制单元，其中，该多个端点设备中的每个端点设备与至少一个图像采集区域相对应，该多个端点设备中的第一端点设备用于确定与该第一端点设备相对应的至少一个图像采集区域在当前时间段内是否存在图像采集目标，并且若该至少一个图像采集区域中的第一图像采集区域在该当前时间段内不存在该图像采集目标，不向该多点控制单元上报该第一图像采集区域在该当前时间段内的图像信息。
在第一种可能的实现方式中，该第一端点设备还用于若确定该第一图像采集区域在该当前时间段内存在该图像采集目标，采集该第一图像采集区域在该当前时间段内的图像信息，并向该多点控制单元上报采集到的该第一图像采集区域在该当前时间段内的图像信息；该多点控制单元用于接收该第一端点设备发送的图像信息，以及向第二端点设备发送该图像信息。
结合上述可能的实现方式，在第二种可能的实现方式中，该图像采集目 标包括人物，该第一端点设备还用于若确定该第一图像采集区域在该当前时间段内存在人物，确定该人物的个人信息，并向该多点控制单元发送该人物的个人信息；该多点控制单元还用于接收该第一端点设备发送的该个人信息，确定该个人信息对应的人物的身份信息，以及向该第二端点设备发送该人物的身份信息。
结合上述可能的实现方式，在第三种可能的实现方式中，该个人信息包括生物特征信息；该多点控制单元具体用于根据接收到的该生物特征信息和个人信息数据库，确定该生物特征信息所对应的人物的身份信息。
第四方面，提供了一种用于进行多点视频通讯的设备，包括：N个感应器和发送器，其中，该N个感应器中的每个感应器与一个图像采集区域相对应；该N个感应器中的第一感应器用于确定与该第一感应器相对应的第一图像采集区域在当前时间段内是否存在图像采集目标；该发送器用于若该第一感应器确定该第一图像采集区域在该当前时间段内不存在该图像采集目标，不向多点控制单元上报该第一图像采集区域在该当前时间段内的图像信息。
在第一种可能的实现方式中，该设备还包括：M个摄像头，1≤N≤M，该第一感应器与该M个摄像头中的至少一个第一摄像头相对应，其中，该至少一个第一摄像头用于若该第一感应器确定该第一图像采集区域在该当前时间段内存在该图像采集目标，采集该第一图像采集区域在该当前时间段内的图像信息；该发送器还用于向该多点控制单元上报该至少一个第一摄像头采集到的该第一图像采集区域在该当前时间段内的图像信息。
结合上述可能的实现方式，在第二种可能的实现方式中，该图像采集目标包括人物，该设备还包括：处理器，用于若该第一感应器确定该第一图像采集区域在该当前时间段内存在人物，确定该人物的个人信息；该发送器还用于向该多点控制单元上报该处理器确定的该人物的个人信息，以便于该多点控制单元根据该人物的个人信息确定该人物的身份。
结合上述可能的实现方式，在第三种可能的实现方式中，该至少一个第一摄像头还用于若该第一感应器确定该第一图像采集区域在该当前时间段内存在该图像采集目标，不采集该第一图像采集区域在该当前时间段内的图像信息。
基于上述技术方案，本发明提供的用于进行多点视频通讯的方法、设备及系统，通过确定图像采集区域在当前时间段内是否存在图像采集目标，并 且若该图像采集区域在该当前时间段内不存在该图像采集目标，则不向多点控制单元上报该图像采集区域在该当前时间段的图像信息，能够使得向该多点控制单元上报的图像信息所对应的图像中总是存在该图像采集目标，避免由于向该多点控制单元上报的图像信息所对应的图像中不存在图像采集目标而造成的系统资源的浪费，从而节约系统资源并且降低多点控制单元的负荷，增强多点视频通讯系统的整体性能。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对本发明实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面所描述的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明实施例的应用场景示例的示意图。
图2是本发明实施例提供的用于进行多点视频通讯的方法的示意性流程图。
图3是本发明另一实施例提供的用于进行多点视频通讯的方法的示意性流程图。
图4是本发明再一实施例提供的用于进行多点视频通讯的方法的示意性流程图。
图5是本发明实施例提供的用于进行多点视频通讯的设备的示意性框图。
图6是本发明另一实施例提供的用于进行多点视频通讯的设备的示意性框图。
图7示出了本发明实施例提供的用于进行多点视频通讯的设备的示例。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明的一部分实施例，而不是全部实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例，都应属于本发明保护的范围。
图1是本发明实施例的应用场景示例的示意图，如图1所示，多点视频 通讯系统100包括：多个端点设备101和多点控制单元102，其中，该多个端点设备101中的每个端点设备101可以包括摄像头和发送器，摄像头用于采集与该摄像头对应的图像采集区域的图像信息，该发送器用于向该多点控制单元102发送该摄像头采集到的图像信息；相应地，该多点控制单元102接收该多个端点设备101中的每个端点设备发送的图像信息，并将接收到的一个端点设备101发送的图像信息发送至其它端点设备101。该端点设备101接收该多点控制单元102发送的图像信息，并可以通过该端点设备101的显示器呈现该图像信息。
在本发明实施例中，该多个端点设备101可以分别处于不同的地理位置或者具有不同的网络地址，例如，设置于不同会议室的多个端点设备，等等，其中，为了便于描述，图1示出了四个端点设备，即端点设备1、端点设备2、端点设备3和端点设备4，但本发明实施例对端点设备的数量不做限定。此外，本发明实施例对端点设备101的实现形式也不做限定。例如，该端点设备可以是手持移动设备或者固定设置的设备，该端点设备可以具有声音和图像采集功能、显示功能以及与MCU之间进行交互的功能，但本发明实施例不限于此。
在现有技术中，在该多个端点设备101处于开启状态时，会一直采集图像信息，并向该多点控制单元102发送采集到的图像信息，在此过程中，该端点设备101向该多点控制单元102上报的图像信息可能对应于无效图像，例如，该采集到的图像信息所对应的图像中只有背景而不存在图像采集目标，这样会造成传输资源以及该多点控制单元102的资源的浪费，增加该多点控制单元102的负荷，从而降低该多点视频通讯系统100的整体性能。
图2是本发明实施例提供的用于进行多点视频通讯的方法200的示意性流程图。该方法200可以由用于进行多点视频通讯的设备执行(例如图1所示的端点设备101)。
S210，确定图像采集区域在当前时间段内是否存在图像采集目标。
该图像采集目标可以预先设置或根据用户指令确定。该图像采集目标可以包括一个或多个目标，例如，人物、投影仪的显示屏、计算机屏幕、各种纸介质、照片，等等，本发明实施例对此不做限定。
该当前时间段的长度可以预先设置或根据用户指令确定，例如，该当前时间段的长度可以等于零，即该当前时间段具体为当前时刻；或者该当前时 间段的长度可以为几秒或几十秒(例如10秒)，本发明实施例对此不做限定。
S220，若该图像采集区域在该当前时间段内不存在该图像采集目标，不向多点控制单元上报该图像采集区域在该当前时间段内的图像信息。
如果当前该图像采集区域内不存在该图像采集目标，则该用于进行多点视频通讯的设备不向该多点控制单元上报当前该图像采集区域内的图像信息。具体地，该用于进行多点视频通讯的设备可以在当前时间段内采集该图像采集区域内的图像信息，但是不向该多点控制单元上报采集到的该图像信息；或者该用于进行多点视频通讯的设备可以在当前时间段内不采集该图像采集区域的图像信息并且不向该用于进行多点视频通讯的设备上报该图像采集区域在该当前时间段内的图像信息，本发明实施例对此不做限定。
因此，根据本发明实施例的用于进行多点视频通讯的方法，通过确定图像采集区域在当前时间段内是否存在图像采集目标，并且若该图像采集区域在该当前时间段内不存在该图像采集目标，则不向多点控制单元上报该图像采集区域在该当前时间段的图像信息，能够使得向该多点控制单元上报的图像信息所对应的图像中总是存在该图像采集目标，避免由于向该多点控制单元上报的图像信息所对应的图像中不存在图像采集目标而造成的系统资源的浪费，从而节约系统资源并且降低多点控制单元的负荷，增强多点视频通讯系统的整体性能。
可选地，作为另一实施例，该方法200还包括：
若该图像采集区域在该当前时间段内存在该图像采集目标，采集该图像采集区域在该当前时间段内的图像信息；
向该多点控制单元上报采集到的该图像采集区域在该当前时间段内的图像信息。
在本发明实施例中，该用于进行多点视频通讯的设备可以对应于一个或多个图像采集区域。可选地，如果该用于进行多点视频通讯的设备对应于多个图像采集区域，则在S210中，该用于进行多点视频通讯的设备可以确定该多个图像采集区域中的第一图像采集区域在当前时间段内是否存在图像采集目标，并且若该第一图像采集区域在该当前时间段内不存在图像采集目标，则在S220中，该用于进行多点视频通讯的设备不向该多点控制单元上报该第一图像采集区域在当前时间内的图像信息。可选地，作为另一实施例，在S210中，该用于进行多点视频通讯的设备也可以确定该多个图像采集区 域中的第二图像采集区域内是否存在图像采集目标，并且若该多个图像采集区域中的第二图像采集区域在当前时间段内存在该图像采集目标，则在S220中，该用于进行多点视频通讯的设备可以在当前时间段内采集该第二图像采集区域的图像信息，并向该多点控制单元上报采集到的该图像信息，但本发明实施例不限于此。
在S210中，该用于进行多点视频通讯的设备可以通过多种方式确定该图像采集区域在当前时间段内是否存在图像采集目标。可选地，S210，确定图像采集区域在当前时间段内是否存在图像采集目标，包括：
在该当前时间段内，在该图像采集区域检测，该检测的检测目标包括下列中的至少一项：生物特征和感应卡，其中，该感应卡存储有与该感应卡相对应的图像采集目标的标识信息；
若在该当前时间段内，未在该图像采集区域检测到该检测目标，确定该图像采集区域在该当前时间段内不存在该图像采集目标；
若在该当前时间段内，在该图像采集区域检测到该检测目标，确定该图像采集区域在该当前时间段内存在该图像采集目标。
该检测目标的存在能够指示该图像采集目标的存在。其中，该检测目标可以与该图像采集目标相同，或者该检测目标为该图像采集目标的附属物，但本发明实施例不限于此。以该图像采集目标包括人物为例，该检测目标可以包括生物特征和/或感应卡，其中，该感应卡存储有该感应卡的拥有者的标识信息(例如名字、工作单位或职位，等等)，该感应卡可以为IC卡或磁卡，等等，本发明实施例对该检测目标所包括的内容以及该内容的具体实现均不做限定。
具体地，该用于进行多点视频通讯的设备可以采用感应技术在该图像采集区域内检测感应卡的存在，例如，该感应技术为近场通信技术(Near Field Communication，NFC)，但本发明是实施例不限于此。此外，该生物特征可以包括人脸、声音、指纹、虹膜、视网膜或字迹，等等，相应地，该用于进行多点视频通讯的设备可以采用与一种生物特征相对应的生物特征识别技术在该图像采集区域内检测该生物特征的存在，例如，该生物特征识别技术可以包括面部识别技术，说话人识别技术、指纹识别技术、虹膜识别技术、视网膜识别技术或签字识别技术，等等，本发明实施例对此不做限定。
可选地，该用于进行多点视频通讯的设备可以在该当前时间段的初始时 刻开始一直进行检测，直到检测到该检测目标的存在或者该当前时间段超时；或者，该用于进行多点视频通讯的设备也可以只在当前时间段的初始时刻对该图像采集区域进行检测，来确定该图像采集区域在当前时间段内是否存在检测目标，本发明实施例对此不做限定。如果该用于进行多点视频通讯的设备未在该当前时间段内检测到任何检测目标，则该用于进行多点视频通讯的设备确定该图像采集区域在该当前时间段内不存在图像采集目标；如果该用于进行多点视频通讯的设备在该当前时间段内检测到至少一个检测目标，例如，检测到人物和/或感应卡的存在，则该用于进行多点视频通讯的设备确定该图像采集区域在当前时间段内不存在图像采集目标，但本发明实施例不限于此。
可选地，作为另一实施例，若该图像采集目标包括人物，则该方法200还包括：
若该图像采集区域在该当前时间段内存在人物，确定该人物的个人信息；
向该多点控制单元上报该人物的个人信息，以便于该多点控制单元根据该人物的个人信息确定该人物的身份。
在本发明实施例中，人物的个人信息可以包括与该人物有关的各种信息，例如，身份信息(例如，名字、职位、工作单位或部门，等等)、生物特征信息(例如，说话信息、指纹信息、签字信息、视网膜信息，等等)、个人履历信息，等等，本发明实施例对此不做限定。
在本发明实施例中，该用于进行多点视频通讯的设备可以通过多种方式确定该人物的个人信息。可选地，若上述检测目标包括感应卡，则该用于进行多点视频通讯的设备可以通过获取人物的感应卡内存储的信息确定该人物的个人信息。相应地，该确定该人物的个人信息，包括：获取与该人物相对应的感应卡内存储的信息，该感应卡内存储的信息用于标识该人物；根据该感应卡内存储的信息，确定该人物的个人信息。即获取在该图像采集区域内检测到的感应卡内存储的信息，并根据该信息确定与该感应卡相对应的人物的个人信息，此时，与该感应卡相对应的人物可以为该感应卡的拥有者，或者为该感应卡的持有者，该个人信息可以包括身份信息，本发明实施例对此不做限定。
可选地，作为另一实施例，若上述检测目标包括生物特征，则该用于进 行多点视频通讯的设备可以根据检测到的生物特征和个人信息数据库确定该生物特征对应的人物的身份。此时，该向该多点控制单元上报的个人信息包括身份信息，相应地，该确定该人物的个人信息，包括：获取该人物的生物特征信息；以及根据该静态图像信息和个人信息数据库，确定该人物的身份信息。
具体地，该用于进行多点视频通讯的设备可以将人物的生物特征信息输入个人信息数据库，以确定与该生物特征信息相匹配的人物以及该人物的身份，但本发明实施例不限于此。
可选地，作为另一实施例，如果该用于进行多点视频通讯的设备无法根据人物的生物特征信息确定该人物的身份，则该用于进行多点视频通讯的设备可以将确定的该生物特征信息发送至该多点控制单元，由多点控制单元根据该生物特征信息和个人信息数据库确定该生物特征信息对应的人物的身份。例如，该用于进行多点视频通讯的设备可以获取该人物的静态图像信息(例如拍照)，并将该静态图像信息发送至该多点控制单元，但本发明实施例不限于此。如果该用于进行多点视频通讯的设备向该多点控制单元上报的个人信息包括身份信息，则该多点控制单元可以直接确定该身份信息对应的身份，但本发明实施例不限于此。
在本发明实施例中，该用于进行多点视频通讯的设备可以将该人物的个人信息以及在该当前时间段内采集到的该图像采集区域的图像信息分开或一起发送至该多点控制单元。可选地，在该向该多点控制单元发送该个人信息之前，该方法还包括：为该个人信息添加标签，其中，该标签与采集到的该图像采集区域在该当前时间段内的图像信息之间存在对应关系；
相应地，该向该多点控制单元发送该个人信息，包括：向该多点控制单元发送添加了该标签的该个人信息，以便于该多点控制单元根据该标签与采集到的该图像采集区域在该当前时间段内的图像信息之间的对应关系匹配该个人信息和该图像信息。
作为一个可选实施例，该用于进行多点视频通讯的设备可以只为该个人信息添加标签，并且该标签与该图像采集区域采集到的图像信息具有对应关系，例如，该标签包括该图像信息的标识、该个人信息所对应的图像采集区域的标识、该个人信息所对应的摄像头的标识，等等；可选地，作为另一实施例，该用于进行多点视频通讯的设备也可以同时为该个人信息和该图像信 息添加标签，并且为该个人信息添加的标签与为该图像信息添加的标签相同或具有对应关系，以使得该多点控制单元能够根据该标签匹配该个人信息和图像信息，但本发明实施例不限于此。
该多点控制单元匹配该个人信息和图像信息之后，可以确定与该个人信息相对应的身份信息，并且向其它进行视频通讯的设备(例如其它端点设备)发送该身份信息和图像信息。该其它进行视频通讯的设备可以在显示该图像信息对应的图像的同时呈现该身份信息，以使得用户在跟远端用户交流的同时，对远端用户的信息有更加深刻的了解，例如名字、职务、组织关系、地域特征等等，从而提高远端沟通的效率，提高用户体验。可选地，作为另一实施例，如果在该图像采集区域内存在多个人物，则该用于进行多点视频通讯的设备可以分别确定该多个人的个人信息，并向该多点控制单元发送该多个人中的每个人的个人信息。此时，该其它进行视频通讯的设备上可以在呈现图像的同时显示该多个人中的每个人的身份信息。可选地，作为另一实施例，该用于进行多点视频通讯的设备也可以确定该多个人物的个人信息的交集，并向该多点控制单元发送确定的该多个人物的个人信息的交集。例如，确定的该图像采集区域内的人物的个人信息包括：“A-研发项目经理-研发部-深圳”和“B-研发工程师-研发部-深圳”，则该用于进行多点视频通讯的设备可以向该多点控制单元上报A和B的个人信息的交集“研发部-深圳”。此时，该其他进行视频通讯的设备可以在呈现图像的同时显示该个人信息的交集，但本发明实施例不限于此。
可选地，作为另一实施例，该方法还包括：若该图像采集区域在该当前时间段内不存在该图像采集目标，不采集该图像采集区域在该当前时间段内的图像信息。
因此，根据本发明实施例的用于进行多点视频通讯的方法，通过确定图像采集区域在当前时间段内是否存在图像采集目标，并且若该图像采集区域在该当前时间段内不存在该图像采集目标，则不向多点控制单元上报该图像采集区域在该当前时间段的图像信息，能够使得向该多点控制单元上报的图像信息所对应的图像中总是存在该图像采集目标，避免由于向该多点控制单元上报的图像信息所对应的图像中不存在图像采集目标而造成的系统资源的浪费，从而节约系统资源并且降低多点控制单元的负荷，增强多点视频通讯系统的整体性能。
下面将结合具体例子对本发明实施例提供的进行视频通讯的方法做更详细的说明。图3是本发明另一实施例提供的进行视频通讯的方法300的示意性流程图。为了便于描述，这里假设该图像采集目标包括人物，但本发明实施例不限于此。该方法300适用于该进行视频通讯的设备处于不采集状态的场景，例如，该进行视频通讯的设备刚启动或在上一时间段内未在图像采集区域感应到人物的存在，但本发明实施例不限于此。
S310，采用感应技术，在图像采集区域检测感应卡的存在。
如果未在该图像采集区域内检测到感应卡的存在，则继续执行S310；否则，执行S320a和S320b。
S320a，开始采集该图像采集区域内的图像信息。
S320b，获取该感应卡内存储的身份信息。
该身份信息可以包括姓名，可选地，该身份信息还可以进一步包括职位和工作单位等等。如果获取该身份信息成功，则执行S330和S340；否则，继续执行S320b。其中，可选地，该设备在执行S320b失败后，可以只向该多点控制单元发送采集到的该图像信息，并且在预设时间间隔后再次执行S320，该预设时间间隔可以为几秒或几分钟，本发明实施例对此不做限定。
S330，为该图像信息和该身份信息添加标签。
S340，向多点控制单元发送该添加了标签的图像信息和身份信息。
因此，根据本发明实施例的用于进行多点视频通讯的方法，通过确定图像采集区域在当前时间段内是否存在图像采集目标，并且若该图像采集区域在该当前时间段内不存在该图像采集目标，则不向多点控制单元上报该图像采集区域在该当前时间段的图像信息，能够使得向该多点控制单元上报的图像信息所对应的图像中总是存在该图像采集目标，避免由于向该多点控制单元上报的图像信息所对应的图像中不存在图像采集目标而造成的系统资源的浪费，从而节约系统资源并且降低多点控制单元的负荷，增强多点视频通讯系统的整体性能。
图4是本发明再一实施例提供的进行视频通讯的方法400的示意性流程图。为了便于描述，这里假设该图像采集目标包括人物，但本发明实施例不限于此。该方法400适用于该进行视频通讯的设备处于图像采集状态的场景。
S410，采用生物特征识别技术，在图像采集区域检测生物特征的存在。
如果未在该图像采集区域内检测到生物特征的存在，则执行S420；否 则，执行S430a和S430b。
S420，停止采集该图像采集区域内的图像信息，并且停止向多点控制单元上报该图像采集区域的图像信息。
S430a，继续采集该图像采集区域内的图像信息。
S430b，通过检测到的生物特征，确定该生物特征所对应的人物的个人信息。
该个人信息可以包括即时拍摄的静态图片，或者证件照片，等等，如果确定该个人信息成功，则执行S440、S450和S460；否则，继续执行S430b。其中，可选地，该设备在执行S430b失败后，可以只向该多点控制单元发送采集到的该图像信息，并且在预设时间间隔后再次执行S430b，该预设时间间隔可以为几秒或几分钟，本发明实施例对此不做限定。
S440，根据该个人信息和个人信息数据库，确定该人物的身份信息。
S450，为该图像信息和该身份信息添加标签。
S460，向多点控制单元发送该添加了标签的图像信息和身份信息。
因此，根据本发明实施例的用于进行多点视频通讯的方法，通过确定图像采集区域在当前时间段内是否存在图像采集目标，并且若该图像采集区域在该当前时间段内不存在该图像采集目标，则不向多点控制单元上报该图像采集区域在该当前时间段的图像信息，能够使得向该多点控制单元上报的图像信息所对应的图像中总是存在该图像采集目标，避免由于向该多点控制单元上报的图像信息所对应的图像中不存在图像采集目标而造成的系统资源的浪费，从而节约系统资源并且降低多点控制单元的负荷，增强多点视频通讯系统的整体性能。
应注意，图3和图4的这两个例子是为了帮助本领域技术人员更好地理解本发明实施例，而非要限制本发明实施例的范围。本领域技术人员根据所给出的图3和图4的例子，显然可以进行各种等价的修改或变化，这样的修改或变化也落入本发明实施例的范围内。
应理解，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本发明实施例的实施过程构成任何限定。
上文中结合图1至图4，详细描述了根据本发明实施例的用于进行多点视频通讯的方法，下面将结合图5至图7，描述根据本发明实施例的用于进 行多点视频通讯的设备及系统。
图5是本发明实施例提供的用于进行多点视频通讯的设备500的示意性框图。该设备500包括：
确定模块510，用于确定图像采集区域在当前时间段内是否存在图像采集目标；
发送模块520，用于若该确定模块510确定该图像采集区域在该当前时间段内不存在该图像采集目标，不向该多点控制单元上报该图像采集区域在该当前时间段内的图像信息。
因此，根据本发明实施例的用于进行多点视频通讯的设备，通过确定图像采集区域在当前时间段内是否存在图像采集目标，并且若该图像采集区域在该当前时间段内不存在该图像采集目标，则不向多点控制单元上报该图像采集区域在该当前时间段的图像信息，能够使得向该多点控制单元上报的图像信息所对应的图像中总是存在该图像采集目标，避免由于向该多点控制单元上报的图像信息所对应的图像中不存在图像采集目标而造成的系统资源的浪费，从而节约系统资源并且降低多点控制单元的负荷，增强多点视频通讯系统的整体性能。
可选地，该确定模块510包括：
检测单元，用于在该当前时间段内，在该图像采集区域进行检测，该检测的检测目标包括下列中的至少一项：生物特征和感应卡，其中，该感应卡存储有与该感应卡相对应的图像采集目标的标识信息；
确定单元，用于若该检测单元在该当前时间段内，未在该图像采集区域检测到任何检测目标，确定该图像采集区域在该当前时间段内不存在该图像采集目标，以及若该检测单元在该当前时间段内，在该图像采集区域检测到至少一个检测目标，确定该图像采集区域在该当前时间段内存在该图像采集目标。
可选地，作为另一实施例，该设备500还包括：
图像采集模块，用于若该确定模块510确定该图像采集区域在该当前时间段内存在该图像采集目标，采集该图像采集区域在该当前时间段内的图像信息；
相应地，该发送模块520还用于向该多点控制单元上报该图像采集模块采集到的该图像采集区域在该当前时间段内的图像信息。
可选地，作为另一实施例，该图像采集目标包括人物，相应地，该确定模块510还用于：若该图像采集区域在该当前时间段内存在人物，确定该人物的个人信息；
相应地，该发送模块520还用于向该多点控制单元上报该确定模块510确定的该人物的个人信息，以便于该多点控制单元根据该人物的个人信息确定该人物的身份。
可选地，作为一个可选实施例，该个人信息包括下列信息中的至少一项：生物特征信息和身份信息。
可选地，作为另一实施例，该确定模块510具体用于获取与该人物相对应的感应卡内存储的信息，该感应卡内存储的信息用于标识该人物；根据该感应卡内存储的信息，确定该人物的个人信息。
可选地，作为另一实施例，该个人信息包括身份信息，相应地，该确定模块510具体用于：获取该人物的生物特征信息，以及根据该生物特征信息和个人信息数据库，确定该人物的身份信息。
可选地，作为另一实施例，该确定模块510还用于：在该发送模块520向该多点控制单元上报该个人信息之前，为该个人信息添加标签，其中，该标签与采集到的该图像采集区域在该当前时间段内的图像信息之间存在对应关系；
相应地，该发送模块520具体用于向该多点控制单元发送该确定模块510添加了该标签的该个人信息，以便于该多点控制单元根据该标签与采集到的该图像采集区域在该当前时间段内的图像信息之间的对应关系匹配该个人信息和该图像信息。
可选地，作为另一实施例，该图像采集模块还用于：若该确定模块510确定该图像采集区域在该当前时间段内不存在该图像采集目标，不采集该图像采集区域在该当前时间段内的图像信息。
根据本发明实施例的用于进行多点视频通讯的设备500可对应于根据本发明实施例的用于进行多点视频通讯的方法的执行主体，并且用于进行多点视频通讯的设备500中的各个模块的上述和其它操作和/或功能分别为了实现图2至图4中的各个方法的相应流程，为了简洁，在此不再赘述。
因此，根据本发明实施例的用于进行多点视频通讯的设备，通过确定图像采集区域在当前时间段内是否存在图像采集目标，并且若该图像采集区域 在该当前时间段内不存在该图像采集目标，则不向多点控制单元上报该图像采集区域在该当前时间段的图像信息，能够使得向该多点控制单元上报的图像信息所对应的图像中总是存在该图像采集目标，避免由于向该多点控制单元上报的图像信息所对应的图像中不存在图像采集目标而造成的系统资源的浪费，从而节约系统资源并且降低多点控制单元的负荷，增强多点视频通讯系统的整体性能。
此外，本发明实施例还提供了一种用于进行多点视频通讯的系统600，该用于进行多点视频通讯的系统600的架构类似于图1所示的多点视频通讯系统。该系统600包括：多个端点设备601和多点控制单元602，其中，该多个端点设备601中的每个端点设备601与至少一个图像采集区域相对应，
该多个端点设备601中的第一端点设备601用于确定与该第一端点设备601相对应的至少一个图像采集区域在当前时间段内是否存在图像采集目标，并且若该至少一个图像采集区域中的第一图像采集区域在该当前时间段内不存在该图像采集目标，不向该多点控制单元602上报该第一图像采集区域在该当前时间段内的图像信息。
可选地，作为另一实施例，该第一端点设备601还用于若确定该第一图像采集区域在该当前时间段内存在该图像采集目标，采集该第一图像采集区域在该当前时间段内的图像信息，并向该多点控制单元602上报采集到的该第一图像采集区域在该当前时间段内的图像信息；
相应地，该多点控制单元602用于接收该第一端点设备601发送的图像信息，以及向第二端点设备601发送来自于该第一端点设备601的该图像信息。
其中，该多点控制单元602可以在接收到该第一端点设备601发送的图像信息后，直接向该第二端点设备发送该图像信息，也可以对该图像信息进行处理之后再向该第二端点设备发送该图像信息，本发明实施例对此不做限定。可选地，该多点控制单元602可以主动向该第二设备发送来自于该第一端点设备的图像信息，此时，该第二端点设备可以为该多个端点设备中除该第一端点设备之外的其它端点设备；或者，该多点控制单元602也可以接收该第二端点设备的请求消息，该请求消息用于请求该第一端点设备的图像信息，相应地，该多点控制单元602根据该请求消息向该第二端点设备发送来自于该第一端点设备的图像信息，此时，该第二端点设备可以为该多个端点 设备中的任意端点设备，即可以为第一端点设备或者为除该第一端点设备之外的其它设备，本发明实施例对此不做限定。
可选地，作为另一实施例，该图像采集目标包括人物，相应地，该第一端点设备601还用于若确定该第一图像采集区域在该当前时间段内存在人物，确定该人物的个人信息，并向该多点控制单元602发送该人物的个人信息；
相应地，该多点控制单元602还用于接收该第一端点设备601发送的该个人信息，确定该个人信息所对应的人物的身份，以及向该第二端点设备601发送该人物的身份信息。
具体地，若该个人信息包括身份信息，则该多点控制单元602可以直接确定该人物的身份信息；而若该个人信息包括生物特征信息，则该多点控制单元602可以将该生物特征信息输入个人信息数据库，以确定该生物特征信息对应的人物的身份信息，但本发明实施例不限于此。该多点控制单元可以向该第二端点设备发送与该第一端点设备相对应的图像信息和身份信息，以使得该第二端点设备可以同时向用户呈现该第一端点设备中的图像以及图像中的人物的身份信息，从而提高用户体验。
可选地，作为另一实施例，该个人信息包括生物特征信息，相应地，该多点控制单元602具体用于根据接收到的该生物特征信息和个人信息数据库，确定该生物特征信息所对应的人物的身份信息。
因此，根据本发明实施例的用于进行多点视频通讯的设备，通过确定图像采集区域在当前时间段内是否存在图像采集目标，并且若该图像采集区域在该当前时间段内不存在该图像采集目标，则不向多点控制单元上报该图像采集区域在该当前时间段的图像信息，能够使得向该多点控制单元上报的图像信息所对应的图像中总是存在该图像采集目标，避免由于向该多点控制单元上报的图像信息所对应的图像中不存在图像采集目标而造成的系统资源的浪费，从而节约系统资源并且降低多点控制单元的负荷，增强多点视频通讯系统的整体性能。
图6是本发明另一实施例提供的用于进行多点视频通讯的设备700，该设备700包括：N个感应器710和发送器720，其中，该N个感应器710中的每个感应器710与一个图像采集区域相对应；
该N个感应器710中的第一感应器710用于确定与该第一感应器710 相对应的第一图像采集区域在当前时间段内是否存在图像采集目标；
该发送器720用于若该第一感应器710确定该第一图像采集区域在该当前时间段内不存在该图像采集目标，不向多点控制单元上报该第一图像采集区域在该当前时间段内的图像信息。
可选地，作为另一实施例，该设备还包括：M个摄像头，1≤N≤M，该第一感应器710与该M个摄像头中的至少一个第一摄像头相对应，其中，
该至少一个第一摄像头用于若该第一感应器710确定该第一图像采集区域在该当前时间段内存在该图像采集目标，采集该第一图像采集区域在该当前时间段内的图像信息；
该发送器720还用于向该多点控制单元上报该至少一个第一摄像头采集到的该第一图像采集区域在该当前时间段内的图像信息。
该M个摄像头中的每个摄像头与一个感应器710相对应，并且相对应的摄像头和感应器对应于同一个图像采集区域，例如，该第一感应器710和该至少一个第一摄像头对应于第一图像采集区域。
可选地，在本发明实施例中，该至少一个第一摄像头可以一直采集该第一图像采集区域的图像信息，而该发送器720只有在该第一感应器710确定该第一图像采集区域在当前时间段内存在图像采集目标时，才向多点控制单元发送该至少一个第一摄像头采集到的该第一图像采集区域在该当前时间段的图像信息。可选地，作为另一实施例，该至少一个第一摄像头也可以只有在该第一感应器710确定该第一图像采集区域在当前时间段内存在图像采集目标时，才采集该第一图像采集区域在该当前时间段的图像信息。相应地，该至少一个第一摄像头还用于若该第一感应器710确定该第一图像采集区域在该当前时间段内存在该图像采集目标，不采集该第一图像采集区域在该当前时间段内的图像信息。
可选地，作为另一实施例，该图像采集目标包括人物，相应地，该设备还包括：处理器，用于若该第一感应器710确定该第一图像采集区域在该当前时间段内存在人物，确定该人物的个人信息；
该发送器720还用于向该多点控制单元上报该处理器确定的该人物的个人信息，以便于该多点控制单元根据该人物的个人信息确定该人物的身份。
此时，该至少一个第一摄像头的数量可以为一个，即该第一感应器710与一个摄像头相对应，但本发明实施例不限于此。
可选地，作为另一实施例，该第一感应器710具体用于在该当前时间段内，在该第一图像采集区域进行检测，该检测的检测目标包括下列中的至少一项：生物特征和感应卡，其中，该感应卡存储有与该感应卡相对应的图像采集目标的标识信息；
若在该当前时间段内，未在该第一图像采集区域检测到该检测目标，确定该第一图像采集区域在该当前时间段内不存在该图像采集目标；
若在该当前时间段内，在该第一图像采集区域检测到该检测目标，确定该第一图像采集区域在该当前时间段内存在该图像采集目标。
可选地，作为一个实施例，若该检测目标包括感应卡，则该处理器可以具体用于获取与该人物相对应的感应卡内存储的信息，该感应卡内存储的信息用于标识该人物；以及根据该感应卡内存储的信息，确定该人物的个人信息。
可选地，作为另一个实施例，若该检测目标包括生物特征，则该处理器还可以用于根据该第一感应器710在该第一图像采集区域内检测到生物特征和个人信息数据库，确定该生物特征对应的人物的身份信息。如果该处理器720无法确定该生物特征对应的人物的身份，例如，该设备700不包括该个人信息数据库，则该发送器720还可以用于向多点控制单元发送该第一感应器710获取的生物特征信息，并且由该多点控制单元根据该生物特征信息确定人物的身份信息。
可选地，作为另一实施例，该处理器还可以用于为下列对象中的至少一项添加标签，即该至少一个第一摄像头采集到的图像信息和该第一感应器710确定的人物的个人信息，该发送器720具体用于向该多点控制单元发送添加了标签的该图像信息和/或个人信息，这样，该多点控制单元可以根据标签匹配该图像信息和个人信息，并将与该第一感应器710相对应的图像信息和个人信息与其它感应器710相对应的图像信息和个人信息相区分，但本发明实施例不限于此。
因此，根据本发明实施例的用于进行多点视频通讯的设备，通过确定图像采集区域在当前时间段内是否存在图像采集目标，并且若该图像采集区域在该当前时间段内不存在该图像采集目标，则不向多点控制单元上报该图像采集区域在该当前时间段的图像信息，能够使得向该多点控制单元上报的图像信息所对应的图像中总是存在该图像采集目标，避免由于向该多点控制单 元上报的图像信息所对应的图像中不存在图像采集目标而造成的系统资源的浪费，从而节约系统资源并且降低多点控制单元的负荷，增强多点视频通讯系统的整体性能。
图7示出了本发明实施例提供的用于进行多点视频通讯的设备800的一个示例。其中，该设备800包括多个摄像头801、多个显示器802和多个感应器803。该多个摄像头801和该多个感应器803的功能和具体实现可以参照前述实施例，为了简洁，这里不再赘述。该多个显示器802用于显示多点控制单元下发的图像信息所对应的图像，或在显示该多点控制单元下发的图像信息所对应的图像的同时，呈现与该图像信息相对应的身份信息，但本发明实施例不限于此。
应理解，在本发明实施例中，术语和/或仅仅是一种描述关联对象的关联关系，表示可以存在三种关系。例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符/，一般表示前后关联对象是一种或的关系。
本领域普通技术人员可以意识到，结合本文中所公开的实施例中描述的各方法步骤和单元，能够以电子硬件、计算机软件或者二者的结合来实现，为了清楚地说明硬件和软件的可互换性，在上述说明中已经按照功能一般性地描述了各实施例的步骤及组成。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。本领域普通技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本发明的范围。
所属领域的技术人员可以清楚地了解到，为了描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另外，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口、装置或单元的间接耦合或通信连接，也可以是电的，机械的或其它的形式连接。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本发明实施例方案的目的。
另外，在本发明各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以是两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分，或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指示用以使得一台计算机设备(可以是个人计算机，多点控制单元，或者网络设备等)执行本发明各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到各种等效的修改或替换，这些修改或替换都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以权利要求的保护范围为准。

Claims (26)

  1. 一种用于进行多点视频通讯的方法，其特征在于，包括：
    确定图像采集区域在当前时间段内是否存在图像采集目标；
    若所述图像采集区域在所述当前时间段内不存在所述图像采集目标，不向多点控制单元上报所述图像采集区域在所述当前时间段内的图像信息。
  2. 根据权利要求1所述的方法，其特征在于，所述确定图像采集区域在当前时间段内是否存在图像采集目标，包括：
    在所述当前时间段内，在所述图像采集区域进行检测，所述检测的检测目标包括下列中的至少一项：生物特征和感应卡，其中，所述感应卡存储有与所述感应卡相对应的图像采集目标的标识信息；
    若在所述当前时间段内，未在所述图像采集区域检测到所述检测目标，确定所述图像采集区域在所述当前时间段内不存在所述图像采集目标；
    若在所述当前时间段内，在所述图像采集区域检测到所述检测目标，确定所述图像采集区域在所述当前时间段内存在所述图像采集目标。
  3. 根据权利要求1或2所述的方法，其特征在于，所述方法还包括：
    若所述图像采集区域在所述当前时间段内存在所述图像采集目标，采集所述图像采集区域在所述当前时间段内的图像信息；
    向所述多点控制单元上报采集到的所述图像采集区域在所述当前时间段内的图像信息。
  4. 根据权利要求1至3中任一项所述的方法，其特征在于，所述图像采集目标包括人物，所述方法还包括：
    若所述图像采集区域在所述当前时间段内存在人物，确定所述人物的个人信息；
    向所述多点控制单元上报所述人物的个人信息，以便于所述多点控制单元根据所述人物的个人信息确定所述人物的身份。
  5. 根据权利要求4所述的方法，其特征在于，所述个人信息包括下列信息中的至少一项：生物特征信息和身份信息。
  6. 根据权利要求4或5所述的方法，其特征在于，所述确定所述人物的个人信息，包括：
    获取与所述人物相对应的感应卡内存储的信息，所述感应卡内存储的信息用于标识所述人物；
    根据所述感应卡内存储的信息，确定所述人物的个人信息。
  7. 根据权利要求4或5所述的方法，其特征在于，所述个人信息包括身份信息，所述确定所述人物的个人信息，包括：
    获取所述人物的生物特征信息；
    根据所述生物特征信息和个人信息数据库，确定所述人物的身份信息。
  8. 根据权利要求4至7中任一项所述的方法，其特征在于，在所述向所述多点控制单元发送所述个人信息之前，所述方法还包括：
    为所述个人信息添加标签，其中，所述标签与采集到的所述图像采集区域在所述当前时间段内的图像信息之间存在对应关系；
    所述向所述多点控制单元发送所述个人信息，包括：
    向所述多点控制单元发送添加了所述标签的所述个人信息，以便于所述多点控制单元根据所述标签与采集到的所述图像采集区域在所述当前时间段内的图像信息之间的对应关系匹配所述个人信息和所述图像信息。
  9. 根据权利要求1至8中任一项所述的方法，其特征在于，所述方法还包括：
    若所述图像采集区域在所述当前时间段内不存在所述图像采集目标，不采集所述图像采集区域在所述当前时间段内的图像信息。
  10. 一种用于进行多点视频通讯的设备，其特征在于，包括：
    确定模块，用于确定图像采集区域在当前时间段内是否存在图像采集目标；
    发送模块，用于若所述确定模块确定所述图像采集区域在所述当前时间段内不存在所述图像采集目标，不向所述多点控制单元上报所述图像采集区域在所述当前时间段内的图像信息。
  11. 根据权利要求10所述的设备，其特征在于，所述确定模块包括：
    检测单元，用于在所述当前时间段内，在所述图像采集区域进行检测，所述检测的检测目标包括下列中的至少一项：生物特征和感应卡，其中，所述感应卡存储有与所述感应卡相对应的图像采集目标的标识信息；
    确定单元，用于若所述检测单元在所述当前时间段内，未在所述图像采集区域检测到任何检测目标，确定所述图像采集区域在所述当前时间段内不存在所述图像采集目标，以及若所述检测单元在所述当前时间段内，在所述图像采集区域检测到至少一个检测目标，确定所述图像采集区域在所述当前 时间段内存在所述图像采集目标。
  12. 根据权利要求10或11所述的设备，其特征在于，所述设备还包括：
    图像采集模块，用于若所述确定模块确定所述图像采集区域在所述当前时间段内存在所述图像采集目标，采集所述图像采集区域在所述当前时间段内的图像信息；
    所述发送模块具体用于向所述多点控制单元上报所述图像采集模块采集到的所述图像采集区域在所述当前时间段内的图像信息。
  13. 根据权利要求10至12中任一项所述的设备，其特征在于，所述图像采集目标包括人物，
    所述确定模块还用于：若所述图像采集区域在所述当前时间段内存在人物，确定所述人物的个人信息；
    所述发送模块还用于向所述多点控制单元上报所述确定模块确定的所述人物的个人信息，以便于所述多点控制单元根据所述人物的个人信息确定所述人物的身份。
  14. 根据权利要求13所述的设备，其特征在于，所述个人信息包括下列信息中的至少一项：生物特征信息和身份信息。
  15. 根据权利要求13或14所述的设备，其特征在于，所述确定模块具体用于：
    获取与所述人物相对应的感应卡内存储的信息，所述感应卡内存储的信息用于标识所述人物；
    根据所述感应卡内存储的信息，确定所述人物的个人信息。
  16. 根据权利要求13或14所述的设备，其特征在于，所述个人信息包括身份信息，所述确定模块具体用于：获取所述人物的生物特征信息，以及根据所述生物特征信息和个人信息数据库，确定所述人物的身份信息。
  17. 根据权利要求13至16中任一项所述的设备，其特征在于，所述处理模块还用于：在所述发送模块向所述多点控制单元上报所述个人信息之前，为所述个人信息添加标签，其中，所述标签与采集到的所述图像采集区域在所述当前时间段内的图像信息之间存在对应关系；
    所述发送模块具体用于向所述多点控制单元发送所述处理模块添加了所述标签的所述个人信息，以便于所述多点控制单元根据所述标签与采集到的所述图像采集区域在所述当前时间段内的图像信息之间的对应关系匹配 所述个人信息和所述图像信息。
  18. 根据权利要求12所述的设备，其特征在于，所述图像采集模块还用于：若所述确定模块确定所述图像采集区域在所述当前时间段内不存在所述图像采集目标，不采集所述图像采集区域在所述当前时间段内的图像信息。
  19. 一种用于进行多点视频通讯的系统，其特征在于，包括：多个端点设备和多点控制单元，其中，所述多个端点设备中的每个端点设备与至少一个图像采集区域相对应，
    所述多个端点设备中的第一端点设备用于确定与所述第一端点设备相对应的至少一个图像采集区域在当前时间段内是否存在图像采集目标，并且若所述至少一个图像采集区域中的第一图像采集区域在所述当前时间段内不存在所述图像采集目标，不向所述多点控制单元上报所述第一图像采集区域在所述当前时间段内的图像信息。
  20. 根据权利要求19所述的系统，其特征在于，所述第一端点设备还用于若确定所述第一图像采集区域在所述当前时间段内存在所述图像采集目标，采集所述第一图像采集区域在所述当前时间段内的图像信息，并向所述多点控制单元上报采集到的所述第一图像采集区域在所述当前时间段内的图像信息；
    所述多点控制单元用于接收所述第一端点设备发送的图像信息，以及向第二端点设备发送所述图像信息。
  21. 根据权利要求20所述的系统，其特征在于，所述图像采集目标包括人物，所述第一端点设备还用于若确定所述第一图像采集区域在所述当前时间段内存在人物，确定所述人物的个人信息，并向所述多点控制单元发送所述人物的个人信息；
    所述多点控制单元还用于接收所述第一端点设备发送的所述个人信息，确定所述个人信息对应的人物的身份信息，以及向所述第二端点设备发送所述人物的身份信息。
  22. 根据权利要求21所述的系统，其特征在于，所述个人信息包括生物特征信息；
    所述多点控制单元具体用于根据接收到的所述生物特征信息和个人信息数据库，确定所述生物特征信息所对应的人物的身份信息。
  23. 一种用于进行多点视频通讯的设备，其特征在于，包括：N个感应器和发送器，其中，所述N个感应器中的每个感应器与一个图像采集区域相对应；
    所述N个感应器中的第一感应器用于确定与所述第一感应器相对应的第一图像采集区域在当前时间段内是否存在图像采集目标；
    所述发送器用于若所述第一感应器确定所述第一图像采集区域在所述当前时间段内不存在所述图像采集目标，不向多点控制单元上报所述第一图像采集区域在所述当前时间段内的图像信息。
  24. 根据权利要求23所述的设备，其特征在于，所述设备还包括：M个摄像头，1≤N≤M，所述第一感应器与所述M个摄像头中的至少一个第一摄像头相对应，其中，
    所述至少一个第一摄像头用于若所述第一感应器确定所述第一图像采集区域在所述当前时间段内存在所述图像采集目标，采集所述第一图像采集区域在所述当前时间段内的图像信息；
    所述发送器还用于向所述多点控制单元上报所述至少一个第一摄像头采集到的所述第一图像采集区域在所述当前时间段内的图像信息。
  25. 根据权利要求23或24所述的设备，其特征在于，所述图像采集目标包括人物，所述设备还包括：
    处理器，用于若所述第一感应器确定所述第一图像采集区域在所述当前时间段内存在人物，确定所述人物的个人信息；
    所述发送器还用于向所述多点控制单元上报所述处理器确定的所述人物的个人信息，以便于所述多点控制单元根据所述人物的个人信息确定所述人物的身份。
  26. 根据权利要求24所述的设备，其特征在于，所述至少一个第一摄像头还用于若所述第一感应器确定所述第一图像采集区域在所述当前时间段内存在所述图像采集目标，不采集所述第一图像采集区域在所述当前时间段内的图像信息。
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