WO2013117085A1 - 实现录像检索的方法、设备和系统 - Google Patents

实现录像检索的方法、设备和系统 Download PDF

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Publication number
WO2013117085A1
WO2013117085A1 PCT/CN2012/080319 CN2012080319W WO2013117085A1 WO 2013117085 A1 WO2013117085 A1 WO 2013117085A1 CN 2012080319 W CN2012080319 W CN 2012080319W WO 2013117085 A1 WO2013117085 A1 WO 2013117085A1
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WO
WIPO (PCT)
Prior art keywords
alarm
video
event
recording
bookmark
Prior art date
Application number
PCT/CN2012/080319
Other languages
English (en)
French (fr)
Inventor
王峰
Original Assignee
华为技术有限公司
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
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP12868100.4A priority Critical patent/EP2717564B1/en
Priority to EP19209909.1A priority patent/EP3675482A1/en
Publication of WO2013117085A1 publication Critical patent/WO2013117085A1/zh
Priority to US14/140,334 priority patent/US9262899B2/en

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19665—Details related to the storage of video surveillance data
    • G08B13/19671—Addition of non-video data, i.e. metadata, to video stream
    • G08B13/19673—Addition of time stamp, i.e. time metadata, to video stream
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19665—Details related to the storage of video surveillance data
    • G08B13/19671—Addition of non-video data, i.e. metadata, to video stream
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
    • G11B27/322—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier used signal is digitally coded
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19695—Arrangements wherein non-video detectors start video recording or forwarding but do not generate an alarm themselves

Definitions

  • Embodiments of the present invention relate to the field of network video surveillance services, and more particularly, to a method, apparatus, and system for implementing video retrieval.
  • the network video surveillance (NVS, Network Video Surve il lance System) service is a remote video surveillance service based on broadband network.
  • the service uses broadband networks to network distributed and independent image collection points to achieve unified monitoring and unification across regions. Storage, unified management, resource sharing.
  • the video surveillance system In the field of video surveillance, the video surveillance system generates a large number of video recordings every day. When necessary, the monitoring personnel must retrieve valuable surveillance video in a large number of surveillance video files, which will take up a lot of working time of the monitoring personnel. Moreover, since the screen change rate of most surveillance videos is not large, it is easy for the monitor to feel tired when browsing such a screen for a long time.
  • the user can manually generate an event through the client, and the system acquires and cuts the video corresponding to the splicing event according to the time of the event and the camera identifier, and stores the spliced video together with the event for later retrieval.
  • the recorded event is manually generated by the user through the client. If the user does not operate, or the client is not enabled, such an event cannot be generated, and the subsequent retrieval cannot retrieve the video through the event.
  • the system needs to download and cut the spliced video from the recording device according to the data in the event, so that the video that meets the event condition is kept in the system separately, and the processing time is required to download and cut the splicing process, thereby failing to meet the user in time. Search requirements. 3) Using the processing method of downloading and cutting and splicing, the system performance is consumed in the process of cutting and splicing, and the overhead of system computing resources is increased.
  • the embodiment of the invention provides a method, a device and a system for realizing video retrieval, which can solve the problems of low retrieval efficiency, system computing resource overhead and system storage resource overhead existing in the prior art.
  • a method for implementing video retrieval comprising:
  • the alarm event includes a device identifier of the alarm device and an alarm occurrence time; determining a camera identifier according to the device identifier, where the camera identifier is an identifier of a camera that captures a video corresponding to the alarm event, according to the alarm
  • the recording time information of the recording is determined, and the recording bookmark and the recording index of the recording are generated, the recording bookmark includes the camera identifier and the alarm occurrence time, and the recording index includes the recording time information and the location Information about the acquisition of the video;
  • the video bookmark is stored in association with the video index, so that the video bookmark is retrieved according to the camera identifier and/or the alarm occurrence time included in the video bookmark, and the video index associated with the retrieved video bookmark is obtained.
  • an apparatus for implementing video retrieval comprising:
  • An alarm receiving unit configured to receive an alarm event, where the alarm event includes a device identifier of the alarm device and an alarm occurrence time;
  • a video recording bookmark generating unit configured to generate a video recording bookmark corresponding to the alarm event according to the alarm event, where the video recording bookmark includes a camera identifier and the alarm occurrence time, and the camera identifier is determined according to the device identifier.
  • a recording index generating unit configured to generate a recording index of the recording according to the alarm event, where the recording index includes: recording time information and recording acquisition information, where the recording time information is determined according to the alarm occurrence time;
  • a storage unit configured to store the video bookmark and the video index in association.
  • a storage unit configured to store the video bookmark and the video index in association.
  • a system for implementing video retrieval comprising:
  • the first device is configured to send an alarm event to the second device, where the alarm event includes a device identifier of the alarm device and an alarm occurrence time;
  • a second device configured to receive an alarm event sent by the first device, where the alarm event includes a device identifier of the alarm device and an alarm occurrence time; determining a camera identifier according to the device identifier, where the camera identifier is corresponding to the shooting of the alarm event
  • the identification of the camera of the video recording determining the recording time information of the recording according to the alarm occurrence time, generating a recording bookmark and a recording index of the recording, the recording bookmark including the camera identifier and the alarm occurrence time
  • the recording index includes the recording time information and the acquisition information of the recording; storing the recording bookmark and the recording index in association, so as to subsequently retrieve the recording bookmark according to the camera identifier and/or the alarm occurrence time included in the recording bookmark and Obtain the recording index associated with the retrieved video bookmark.
  • a video recording bookmark and a video index of the video corresponding to the alarm event are generated according to the alarm event, and the video bookmark and the video index are stored in association, so as to facilitate subsequent user retrieval.
  • the video recording bookmark corresponding to the alarm event further acquires the related video according to the video acquisition information in the recorded video index associated with the retrieved video bookmark, so that the monitoring personnel can quickly find the required surveillance video from the massive monitoring video, thereby The search cost of the monitoring personnel is reduced, the work efficiency is improved, and the problem of system computing resource overhead and system storage resource overhead existing in the prior art can be avoided.
  • FIG. 1 is a schematic flow chart of a method for implementing video recording retrieval according to Embodiment 1 of the present invention
  • FIG. 1 is a schematic flowchart of a method for implementing video recording retrieval according to Embodiment 1 of the present invention
  • FIG. 3 is a schematic diagram of implementing video recording retrieval according to Embodiment 3 of the present invention
  • FIG. 4 is a schematic structural diagram of a device for implementing video recording retrieval according to Embodiment 4 of the present invention
  • FIG. 5 is a schematic structural diagram of a system for implementing video recording retrieval according to Embodiment 5 of the present invention
  • method 100 includes:
  • the alarm event may be received by receiving an alarm message carrying the alarm event.
  • the alarm can be a stateful alarm or a stateless alarm.
  • a stateful alarm there are two corresponding stateful alarm events, one is an alarm start event, and the other is an alarm end event.
  • the intrusion detection is a stateful alarm, and an object is detected to enter a specific area as an alarm.
  • the start event which detects that the object leaves the specific area, is an alarm end event.
  • a stateless alarm only the corresponding alarm occurrence event is also called a stateless alarm event.
  • the access control alarm is a stateless alarm, and it is detected that the door magnet is forcibly opened as a stateless alarm event.
  • the alarm event further includes indication information indicating that the alarm event is an alarm start event or an alarm end event, and if the alarm event is an alarm start event, The alarm occurrence time is the alarm start time. If the alarm event is an alarm end event, the alarm occurrence time is the alarm end time.
  • the alarm event further includes an alarm state, where the alarm state indicates that the alarm event is a stateful alarm event or a stateless alarm event.
  • the indication information and the alarm state may be respectively represented by a parameter, or may be represented by the same parameter, and the specific representation manner of the indication information and the alarm state by the same parameter is as follows:
  • the time parameter in the alarm event indicates the time when the alarm event occurs, and the status parameter in the alarm event indicates that the alarm event is a stateful alarm event or a stateless alarm event, and the alarm event is In the case of a status alarm event, the alarm event is used to indicate an alarm start event or an alarm end event.
  • the value of the status parameter is the start, it indicates that the alarm event is an alarm start event of a stateful alarm, and the time indicated by the time parameter is an alarm start time of the alarm corresponding to the alarm event; If the value of the status parameter is the end, the alarm event is an alarm end event of the status alarm, and the time indicated by the time parameter is an alarm end time of the alarm corresponding to the alarm event; If the value is null, the alarm event is a stateless alarm event.
  • the stateful alarm includes a plurality of types of alarms, such as an intrusion detection, a video occlusion, and a motion detection.
  • the statusless alarm includes a plurality of alarm types, such as an access control alarm, a smoke alarm, and a residual detection.
  • the alarm event may further include an alarm type of the alarm corresponding to the alarm event.
  • the alarm device may be an alarm detection device that detects the alarm event, and may be an infrared device, an access control device, or the like.
  • the device identifier of the alarm device is an identifier of the alarm detection device, such as an infrared device identifier, and an access control.
  • the device may be a camera device that captures the alarm event, and the device identifier of the alarm device is an identifier of the camera device, which may be a camera identifier, and the camera identifier is a camera. The identification of the camera to the surveillance video.
  • the alarm event may also be a manual alarm event.
  • a user such as a monitoring person
  • the alarm event may be generated by a manual operation, for example, the user indicates The alarm occurrence time, the input of the alarm event description, and the like
  • the terminal generates an alarm event according to the user operation
  • the device identifier of the alarm device included in the alarm event is a camera identifier
  • the camera identifier is a camera that captures the surveillance video or the surveillance video.
  • the alarm event includes the alarm occurrence time indicated by the user, and the alarm event may further include an alarm type, and the alarm type is a manual alarm.
  • the user can manually generate a stateless alarm event by triggering the alarm.
  • the alarm start event and the alarm end event are respectively triggered by two operations.
  • the alarm start event and the alarm end event may be referred to as a stateful alarm event.
  • the user can also manually generate an alarm event that includes both an alarm start time and an alarm end time, and the alarm event may also be referred to as a stateful alarm event.
  • the video index includes: recording time information and video acquisition information
  • the recording time information is determined according to the alarm occurrence time, and the example implementation process is as follows:
  • the alarm event may be an alarm start event or an alarm end event of a stateful alarm.
  • the alarm event includes the indication information, and the alarm event is determined to be an alarm start event or an alarm end event according to the indication information in the alarm event.
  • the alarm event is an alarm start event, determining the recording time information according to the alarm occurrence time in the alarm event, specifically, determining, according to the alarm occurrence time in the alarm event, the recording start time of the recording,
  • the recording start time may be the alarm occurrence time, or may be a time point earlier than the alarm occurrence time, such as a time point 5 minutes earlier than the alarm occurrence time.
  • the alarm event is an alarm end event, determining an alarm start event that matches the alarm end event, determining, according to the alarm occurrence time in the alarm event, a recording end time of the video corresponding to the alarm end event, and The recording end time is recorded in the recording index generated by the alarm start event, and the recording end time may be an alarm occurrence time of the alarm end event, or may be a time point later than the alarm occurrence time, such as It is later than the time when the alarm occurred for 5 minutes. If the alarm event is a manual alarm event, and the alarm event includes an alarm start time and an alarm end time, determining the recording start time according to the alarm start time and according to the alarm end time. Determine the end time of the recording.
  • the recording start time and the recording end time are determined according to the alarm occurrence time, and the recording start time may be a time earlier than the alarm occurrence time. If the time is earlier than 5 minutes of the alarm occurrence time, the recording end time may be a time point later than the alarm occurrence time, such as a time point 5 minutes later than the alarm occurrence time.
  • the alarm event includes an alarm state
  • the alarm event is determined to be a stateful alarm event or a stateless alarm event according to the alarm state.
  • the information about the recording is used to obtain the information related to the recording of the alarm event, and may be specifically represented by using server location information storing the recording and a storage path of the recording, where the server location information may include a server number and / or server IP address, the storage path can be expressed in the following form: disk number / storage directory / camera number / time directory / video file name.
  • the video index further includes a camera identifier
  • the camera identifier is an identifier of a camera that captures a video corresponding to the alarm event
  • the camera identifier is determined according to a device identifier in the alarm event
  • the association between the device identifier and the camera identifier is configured in the video surveillance system.
  • the camera identified by the camera identifier associated with the device identifier starts to capture the alarm.
  • the method for determining the identifier of the camera may be: acquiring a camera identifier associated with the device identifier in the alarm event according to the device identifier in the alarm event and the association between the configured device identifier and the camera identifier.
  • the camera identifier included in the video bookmark may be a device identifier in the alarm event;
  • the camera identifier included in the video bookmark may also be the device identifier in the alarm event.
  • the video corresponding to the alarm event is not captured before the recording index is created, or the video corresponding to the alarm event being captured is not saved as a video, the video corresponding to the alarm event is captured and saved as a video. . If part of the video media has been recorded and cached before the alarm occurrence time, the video media may also be saved to the video.
  • the recording start time included in the recording index may be the same as the recording start time of the recording, and the recording end time included in the recording index may be the same as the recording end recording time.
  • the recording index may be directly generated without starting the shooting video, and the recording index may include a recording start time later than the recording. At the time of shooting, the recording end included in the recording index may be earlier than the time at which the recording ends.
  • step 130 and the step 120 have no specific sequence.
  • the method of determining the camera identification included in the video bookmark is as described in step 120.
  • the camera identifier included in the video bookmark and the camera identifier included in the video index are the same.
  • the camera identification may be determined in steps 120 and 130, respectively.
  • the camera identifier may be determined in step 120, and the camera identifier is directly added to the video bookmark in step 130; if step 130 is before step 120, The camera identification is determined in step 130, and the camera identification is directly added to the recording index in step 120.
  • the alarm event further includes an alarm type
  • the video bookmark generated according to the alarm event includes the alarm type, so that subsequent users (such as monitoring personnel) can check according to the alarm type. Record the video corresponding to the video bookmark.
  • the video bookmark generated according to the alarm event includes the device identifier, so that a subsequent user (such as a monitoring personnel) retrieves a video corresponding to the video bookmark according to the device identifier.
  • the alarm occurrence time included in the video bookmark is the alarm occurrence time in the alarm event. If the alarm event is a stateless alarm event, the video recording bookmark includes an alarm occurrence time, and the alarm occurrence time in the alarm event is recorded as the alarm occurrence time of the video bookmark.
  • the video bookmark includes two alarm occurrence times, one is an alarm start time, and the other is an alarm end time.
  • the alarm event includes the indication information, and the alarm event is determined to be an alarm start event or an alarm end event according to the indication information in the alarm event. If the alarm event is an alarm start event, the alarm occurrence time in the alarm event is recorded as the alarm start time of the video bookmark, and if the alarm event is an alarm end event, it is determined to match the alarm end event. The alarm start event is determined, and the alarm occurrence time included in the alarm event is determined as an alarm end time, and the alarm end time is recorded into a recording bookmark generated according to the alarm start event. If the alarm event is a manual alarm event, and the alarm event includes an alarm start time and an alarm end time, the alarm start time and the alarm end time are recorded in the recording bookmark.
  • the alarm event includes an alarm state
  • the alarm event is determined to be a stateful alarm event or a stateless alarm event according to the alarm state.
  • An example implementation process for determining an alarm start event that matches the alarm end event in steps 120 and 130 is as follows:
  • an alarm start event corresponding to the alarm end event is matched according to the alarm detection device identifier, the alarm occurrence time, the alarm type, and the indication information in the alarm end event, for example, an alarm event that satisfies the following condition is used as the alarm End event matching event start event: 1
  • the alarm event is an alarm start event; 2 the alarm detection device identifier corresponding to the alarm event is the same as the alarm detection device identifier corresponding to the alarm end event; 3 the alarm type of the alarm event is the same as the alarm type of the alarm end event 4
  • the alarm event is the latest one of all events that meet the above three conditions that occurred before the alarm end event occurred.
  • the alarm events generated for generating the video bookmark and the video index may be recorded and matched in the recorded alarm events.
  • the alarm event and the video generated according to the alarm event are also recorded.
  • the association relationship between the bookmark, the alarm event and the recording index generated according to the alarm event, after matching the alarm start event matching the alarm end event, according to the alarm event and the event generated according to the alarm event And the recording index generated according to the alarm start event is obtained, and the recording index generated according to the alarm start event is obtained according to an association relationship between the alarm event and the recording index generated according to the alarm event.
  • the video index can be obtained according to the association relationship between the video bookmark and the video index generated according to the alarm start event.
  • the video bookmark can be obtained according to the association relationship between the video index and the video bookmark generated according to the alarm start event.
  • An alarm start event matching the alarm end event may be determined in both step 120 and step 130 in accordance with the example implementation described above.
  • step 120 is before step 130, in step 120, according to the above indication
  • the example implementation process determines an alarm start event that matches the alarm end event, and the alarm start event determined in step 120 is directly used as the alarm start event matched by the alarm end event in step 130; if step 130 is in step 120
  • the alarm start event that matches the alarm end event may be determined in step 130 according to the above example implementation process, and the alarm start event determined in step 130 is directly used as the alarm matching the alarm end event in step 120. Start event.
  • the recording bookmark is associated with the recording index, and specifically, the identifier is assigned to the recording index, and the identifier of the recording index is included in the recording bookmark; specifically, the video cable may be directly clicked)
  • the data in the data other than the camera identifier is used as a part of the video bookmark.
  • the video bookmark and the video index are separately assigned identifiers, and the identifier of the video bookmark and the identifier of the video index are recorded. connection relation.
  • FIG. 2 is a schematic flow chart of a method for implementing video retrieval according to Embodiment 2 of the present invention.
  • method 200 includes:
  • the retrieval conditions specifically include camera identification, and/or alarm time information, and/or alarm type, and/or alarm device identification, and/or video bookmark identification.
  • the search condition is a camera identifier, which is used to retrieve a video captured by the camera identified by the camera identifier;
  • the search condition is alarm time information, and the alarm time information may be a time period, Retrieving a video corresponding to an alarm event occurring in the alarm time period;
  • the search condition is an alarm type, and is used for retrieving a video corresponding to an alarm event whose alarm type is the alarm type;
  • the retrieval condition is an alarm device identifier, and is used for searching
  • the alarm device identifies a video corresponding to the alarm event generated by the identified device, and the video bookmark identifier is used to obtain a video corresponding to the video bookmark identified by the video bookmark identifier.
  • the video bookmark and the video index are returned.
  • the recording message indicates that the recording condition does not satisfy the retrieval condition; the recording bookmark and the recording bookmark may have more than one recording index.
  • the terminal that initiates the search request displays the video index information on the screen of the terminal, and the subsequent terminal may obtain the video according to the video acquisition information included in the video index, and the terminal may automatically obtain the video.
  • the recording start time included in the recording index starts to play the recording, and stops the playing of the recording at the recording end time included in the recording index, and may also mark the recording start time and the recording on the playback progress bar of the recording. The end time of the recording.
  • Embodiment 2 of the present invention can be combined with Embodiment 1 of the present invention.
  • Embodiment 3 of the present invention proposes an apparatus for realizing video retrieval for implementing the above method for realizing video retrieval.
  • the device 1000 for implementing video retrieval includes the following units:
  • the alarm receiving unit 1010 is configured to receive an alarm event, where the alarm event includes a device identifier of the alarm device and an alarm occurrence time;
  • the recording index generating unit 1020 is configured to generate a recording index of the recording corresponding to the alarm event according to the alarm event, where the recording index includes: recording time information and recording acquisition information, and is further used for The recording time information is determined according to the alarm occurrence time.
  • the recording index generating unit For the specific function implementation of the recording index generating unit, refer to step 120 of Embodiment 1 of the present invention.
  • the video bookmark generating unit 1030 is configured to generate a video recording bookmark corresponding to the alarm event according to the alarm event, where the video bookmark includes a camera identifier and the alarm occurrence time, and the camera identifier is determined according to the device identifier.
  • the video recording bookmark generating unit For the specific function of the video recording bookmark generating unit, refer to step 130 of Embodiment 1 of the present invention.
  • the storage unit 1040 is configured to associate the video bookmark with the video index, and the specific function of the storage unit is implemented in step 140 of Embodiment 1 of the present invention.
  • the alarm event further includes indication information indicating that the alarm event is an alarm start event or an alarm end event;
  • the recording index generating unit is further configured to: determine, according to the indication information, that the alarm event is an alarm end event, and determine an alarm start event that matches the alarm end event, and is further used to generate an alarm according to the alarm event.
  • the occurrence time determines the recording end time of the recording corresponding to the alarm end event, and records the recording end time in the recording index generated according to the alarm start event.
  • the recording bookmark generating unit is further configured to: determine, according to the indication information, that the alarm event is an alarm end event, and determine an alarm start event that matches the alarm end event, and is also used to alarm the alarm end event The occurrence time is recorded in the recording bookmark generated based on the alarm start event.
  • the alarm receiving unit sends the received alarm event to the recording index generating unit, and acquires a recording index generated by the recording index generating unit according to the alarm event from the recording index generating unit, and the alarm event is generated.
  • the recording index is sent to the recording bookmark generating unit, the recording bookmark generating unit generates a recording bookmark according to the alarm event, and sends the recording index and the recording bookmark to the storage unit, where the storage unit The recording index and the recording bookmark are stored in association.
  • Embodiment 4 of the present invention proposes an apparatus for realizing video retrieval for implementing the above method for realizing video retrieval.
  • the device 1100 for implementing video retrieval includes the following units:
  • the retrieval interface unit 1110 is configured to receive a recording retrieval request, where the recording retrieval request includes a retrieval condition, where the retrieval condition specifically includes a camera identifier, and/or a time period, and/or an alarm type, and/or an alarm device identifier, And/or recording bookmark identification;
  • a search unit 1120 configured to search for a recorded bookmark that satisfies the search condition in the stored video bookmark, and obtain a video index associated with the video bookmark by using the video bookmark that satisfies the search condition; the search interface unit is further used for Returns the video index.
  • Embodiment 4 of the present invention can be combined with Embodiment 3 of the present invention.
  • the apparatus for realizing video retrieval described in Embodiment 3 or 4 of the present invention can be realized by electronic hardware, or a combination of computer software and electronic hardware. If implemented by a combination of computer software and electronic hardware, specifically, it may be implemented by running a computer program on a computer, and running the computer program on a computer may implement the method of Embodiment 1 or 2 of the present invention.
  • the computer includes, but is not limited to, a PC, a server, a PAD, a notebook portable.
  • the system of the computer includes a processor, a memory.
  • the memory is for storing a computer program, the computer program comprising computer operating instructions.
  • the computer operating instructions include computer operating instructions for implementing the functions of the various units of the apparatus for implementing video retrieval as set forth in Embodiment 3 or 4 of the present invention.
  • the memory is specifically a volatile memory.
  • the computer program for executing the memory storage, specifically for executing the computer operation instructions included in the computer program, to implement the functions of each unit of the device for realizing recording retrieval proposed in Embodiment 3 or 4 of the present invention .
  • the main processor that is, a central processing unit (CPU)
  • CPU central processing unit
  • Embodiment 5 of the present invention proposes a system for realizing video retrieval for implementing the above method for realizing video retrieval.
  • the system for implementing video search includes:
  • the first device 1210 is configured to send an alarm event to the second device, where the alarm event includes a device identifier of the alarm device and an alarm occurrence time.
  • An example implementation process of the first device is as described in step 110 of Embodiment 1 of the present invention.
  • the second device 1220 is specifically the device described in Embodiment 3.
  • Embodiment 6 of the present invention proposes a system for realizing video retrieval for implementing the above method for realizing video retrieval.
  • the system for implementing video retrieval includes:
  • the third device 1310 is configured to send a video search request to the fourth device, and display the video index information to the third device screen after receiving the returned video index; Inventive Example 2 is described.
  • the fourth device 1320 is specifically the device described in Embodiment 4.
  • Embodiment 6 of the present invention can be combined with Embodiment 5 of the present invention.
  • Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the various examples described in connection with the embodiments disclosed herein can be implemented in a combination of electronic hardware or computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods for implementing the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present invention.
  • the disclosed apparatus and method can be implemented in other ways.
  • the device embodiments described above are only schematic.
  • 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 coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical or otherwise.
  • the components displayed for the unit may or may not be physical units, ie may be located in one place, or may be distributed over multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • 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 functions, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium.
  • the technical solution of the present invention which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a removable 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. .

Abstract

本发明实施例公开了一种实现录像检索的方法、设备和系统。该方法包括：接收告警事件，所述告警事件包括告警设备的设备标识和告警发生时间；根据所述告警事件生成所述告警事件对应的录像的录像索引，所述录像索引包括，录像时间信息和录像获取信息；根据所述告警事件生成所述告警事件对应的录像的录像书签，所述录像书签包括摄像头标识和所述告警发生时间。通过本发明实施例，当发生告警事件时，根据所述告警事件生成所述告警事件对应的录像的录像书签和录像索引，并将所述录像书签和所述录像索引关联存储，便于后续用户检索告警事件对应的录像的录像书签并根据检索出的录像书签关联的录像索引中的录像获取信息获取相关录像，使得监控人员方便地从海量的监控录像中快速寻找到所需的监控录像，从而降低监控人员的检索成本，提高工作效率。

Description

实现录 索的方法、 设备和系统 本申请要求于 2012 年 2 月 10 日提交中国专利局、 申请号为 201210030077.4, 发明名称为"实现录像检索的方法、 设备和系统"的中国专利 申请的优先权， 在先申请文件的内容通过引用结合在本申请中。
技术领域
本发明实施例涉及网络视频监控业务领域， 并且更具体地， 涉及一种实 现录像检索的方法、 设备和系统。
背景技术
网络视频监控 ( NVS , Network Video Surve i l lance Sys tem ) 业务是基 于宽带网的远程视频监控业务， 该业务利用宽带网络将分散、 独立的图像釆 集点进行联网， 实现跨地域的统一监控、 统一存储、 统一管理、 资源共享。
在视频监控领域中， 视频监控系统每天都会产生大量的录像， 当有需要 时， 监控人员必须在海量的监控录像文件中检索出有价值的监控录像， 这将 占用监控人员大量的工作时间。 并且， 由于大多数监控录像的画面变化率并 不大， 长时间浏览这样的画面， 容易让监控人员产生疲劳感。
在现有技术中， 用户可以通过客户端手动生成事件， 系统根据事件的时 间和摄像机标识获取并剪切拼接事件对应的录像， 并将拼接的录像与事件一 同存储起来， 以供事后检索。
该现有技术至少存在以下技术缺陷：
1)录像的事件是用户通过客户端手动生成的， 如果用户没有操作， 或者 客户端没有开启， 则无法生成这样的事件， 后续检索时也就无法通过事件来 检索录像。
2)系统需要根据事件中的数据从录像设备中下载并剪切拼接录像， 以便 将符合事件条件的录像单独保持在系统中， 下载、 以及剪切拼接过程需要处 理时间， 从而导致无法及时满足用户的检索要求。 3)釆用下载、 剪切拼接的处理方式， 在剪切和拼接过程中消耗了系统性 能， 增加了系统计算资源的开销。
4)下载后的录像与原录像保存了双份， 增加了系统存储资源的开销。 发明内容
本发明实施例提供一种实现录像检索的方法、 设备和系统， 可以解决现 有技术存在的检索效率低下、 系统计算资源开销和系统存储资源开销较大的 问题。
一方面， 提供了一种实现录像检索的方法， 所述方法包括：
接收告警事件， 所述告警事件包括告警设备的设备标识和告警发生时间； 根据所述设备标识确定摄像头标识， 所述摄像头标识为拍摄所述告警事 件对应的录像的摄像头的标识， 根据所述告警发生时间确定所述录像的录像 时间信息， 生成所述录像的录像书签和录像索引， 所述录像书签包括所述摄 像头标识和所述告警发生时间， 所述录像索引包括所述录像时间信息和所述 录像的获取信息；
将所述录像书签和所述录像索引关联存储， 以便于后续根据录像书签包 括的摄像头标识和 /或告警发生时间检索录像书签并获取检索出的录像书签 关联的录像索引。
另一方面， 提供了一种实现录像检索的设备， 所述设备包括：
告警接收单元， 用于接收告警事件， 所述告警事件包括告警设备的设备 标识和告警发生时间；
录像书签生成单元， 用于根据所述告警事件生成所述告警事件对应的录 像的录像书签， 所述录像书签包括摄像头标识和所述告警发生时间， 所述摄 像头标识为根据所述设备标识确定的拍摄所述录像的摄像头的标识；
录像索引生成单元， 用于根据所述告警事件生成所述录像的录像索引，所 述录像索引包括，录像时间信息和录像获取信息， 所述录像时间信息是根据所 述告警发生时间确定的； 存储单元， 用于将所述录像书签和所述录像索引关联存储。
存储单元， 用于将所述录像书签和所述录像索引关联存储。
另一方面， 提供了一种实现录像检索的系统， 所述系统包括：
第一设备， 用于将告警事件发送给第二设备， 所述告警事件包括告警设 备的设备标识和告警发生时间；
第二设备， 用于接收第一设备发送的告警事件， 所述告警事件包括告警 设备的设备标识和告警发生时间； 根据所述设备标识确定摄像头标识， 所述 摄像头标识为拍摄所述告警事件对应的录像的摄像头的标识， 根据所述告警 发生时间确定所述录像的录像时间信息， 生成所述录像的录像书签和录像索 引， 所述录像书签包括所述摄像头标识和所述告警发生时间， 所述录像索引 包括所述录像时间信息和所述录像的获取信息； 将所述录像书签和所述录像 索引关联存储， 以便于后续根据录像书签包括的摄像头标识和 /或告警发生时 间检索录像书签并获取检索出的录像书签关联的录像索引。 通过本发明实施例， 当发生告警事件时， 根据所述告警事件生成所述告 警事件对应的录像的录像书签和录像索引， 并将所述录像书签和所述录像索 引关联存储， 便于后续用户检索告警事件对应的录像的录像书签并进一步根 据检索出的录像书签关联的录像索引中的录像获取信息获取相关录像， 使得 监控人员方便地从海量的监控录像中快速寻找到所需的监控录像， 从而降低 监控人员的检索成本， 提高工作效率， 并且可以避免现有技术存在的系统计 算资源开销和系统存储资源开销较大的问题。
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， 下面描述中的附图 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 1提供的实现录像检索的方法流程示意图； 图 1是本发明实施例 1提供的实现录像检索的方法流程示意图； 图 3是本发明实施例 3提供的实现录像检索的设备示意结构图； 图 4是本发明实施例 4提供的实现录像检索的设备示意结构图； 图 5是本发明实施例 5提供的实现录像检索的系统结构示意图； 图 6是本发明实施例 6提供的实现录像检索的系统结构示意图。
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一部分实施例， 而不是 全部的实施例。 基于本发明中的实施例， 本领域普通技术人员在没有作出创 造性劳动前提下所获得的所有其他实施例， 都属于本发明保护的范围。
图 1是本发明实施例 1提供的实现录像检索的方法流程示意图。 如图 1 所示， 方法 100包括：
110: 接收告警事件， 所述告警事件包括告警设备的设备标识和告警发生 时间
具体可以为， 通过接收携带所述告警事件的告警消息接收所述告警事件。 告警可以是有状态告警， 也可以是无状态告警。 对于有状态告警， 具有 对应的两种有状态告警事件， 一种是告警开始事件， 另一种是告警结束事件， 如， 入侵检测是一种有状态告警， 检测到物体进入特定的区域为告警开始事 件， 检测到该物体离开该特定的区域则为告警结束事件。 对于无状态告警， 只有对应的告警发生事件， 又称无状态告警事件， 如， 门禁告警是一种无状 态告警， 检测到门磁被强行打开为无状态告警事件。
优选地， 如果所述告警为有状态告警， 所述告警事件还包括用于表示所 述告警事件为告警开始事件或告警结束事件的指示信息， 如果所述告警事件 为告警开始事件， 则所述告警发生时间为告警开始时间， 如果所述告警事件 为告警结束事件， 则所述告警发生时间为告警结束时间。 优选地， 所述告警事件还包括告警状态， 所述告警状态表示所述告警事 件为有状态告警事件或无状态告警事件。
所述指示信息和所述告警状态可以分别通过一个参数来表示， 也可以通 过同一个参数来表示， 通过同一个参数表示所述指示信息和所述告警状态的 具体表示方式如下：
通过所述告警事件中的时间参数表示所述告警事件发生的时间， 通过所 述告警事件中的状态参数表示所述告警事件为有状态告警事件或无状态告警 事件并在所述告警事件为有状态告警事件的情况下用于指示所述告警事件为 告警开始事件或告警结束事件。 例如， 如果所述状态参数的值为开始， 则表 示， 所述告警事件为有状态告警的告警开始事件， 所述时间参数表示的时间 为所述告警事件对应的告警的告警开始时间； 如果所述状态参数的值为结束， 则表示， 所述告警事件为有状态告警的告警结束事件， 所述时间参数表示的 时间为所述告警事件对应的告警的告警结束时间； 如果所述状态参数的值为 空， 则表示， 所述告警事件为无状态告警事件。
所述有状态告警， 包括入侵检测、 视频遮挡、 移动侦测等多种告警类型， 所述无状态告警， 包括门禁告警、 烟感告警、 遗留物检测等多种告警类型。
优选地， 所述告警事件还可以包括所述告警事件对应的告警的告警类型。 所述告警设备， 可以为检测到所述告警事件的告警检测设备， 具体可以 为红外设备、 门禁设备等， 所述告警设备的设备标识为所述告警检测设备的 标识， 如红外设备标识、 门禁设备标识； 所述告警设备还可以为拍摄到发生 所述告警事件的摄相机设备， 所述告警设备的设备标识为所述摄相机设备的 标识， 具体可以为摄像头标识， 所述摄像头标识为拍摄到所述监控录像的摄 像头的标识。
另外， 所述告警事件还可以是手动告警事件。 当用户 （如监控人员）在 终端上观看实时拍摄的监控视频或已经录制的监控录像时， 如果发现需要生 成告警事件的监控画面， 可以手动操作触发生成告警事件， 如， 用户标示出 告警发生时间、 输入告警事件描述等， 所述终端根据用户操作生成告警事件， 所述告警事件包括的告警设备的设备标识为摄像头标识， 所述摄像头标识为 拍摄所述监控视频或监控录像的摄像头的标识， 所述告警事件包括的告警发 生时间为用户标示出的告警发生时间， 所述告警事件还可以包括告警类型， 所述告警类型为手动告警。 用户可以手动操作触发生成无状态告警事件； 还 可以通过先后两次操作的方式分别触发生成告警开始事件和告警结束事件， 所述告警开始事件和所述告警结束事件可以称为有状态告警事件； 用户还可 以手动操作触发生成同时包含告警开始时间和告警结束时间的告警事件， 所 述告警事件也可以称为有状态告警事件。
120:根据所述告警事件生成所述告警事件对应的录像的录像索引,所述录 像索引包括,录像时间信息和录像获取信息；
具体地， 根据所述告警发生时间确定所述录像时间信息， 示例实施过程 下：
所述告警事件可以为有状态告警的告警开始事件或告警结束事件。 优选 地， 所述告警事件中包括所述指示信息， 根据所述告警事件中的所述指示信 息确定所述告警事件为告警开始事件或告警结束事件。 如果所述告警事件为 告警开始事件， 根据所述告警事件中的告警发生时间确定所述录像时间信息 具体为， 根据所述告警事件中的告警发生时间确定所述录像的录像开始时间， 所述录像开始时间可以为所述告警发生时间， 也可以为早于所述告警发生时 间的一个时间点， 如早于告警发生时间 5 分钟的时间点。 如果所述告警事件 为告警结束事件， 确定与所述告警结束事件匹配的告警开始事件， 根据所述 告警事件中的告警发生时间确定所述告警结束事件对应的录像的录像结束时 间， 并在根据所述告警开始事件生成的录像索引中记录所述录像结束时间， 所述录像结束时间可以为所述告警结束事件的告警发生时间， 也可以为晚于 所述告警发生时间的一个时间点， 如晚于告警发生时间 5分钟的时间点。 如果所述告警事件为手动告警事件， 且所述告警事件包括的告警发生时 间具体为告警开始时间和告警结束时间， 则根据所述告警开始时间确定所述 录像开始时间并根据所述告警结束时间确定所述录像结束时间。
优选地， 如果所述告警事件为无状态告警事件,根据所述告警发生时间确 定所述录像开始时间和所述录像结束时间， 所述录像开始时间可以为早于所 述告警发生时间的一个时间点， 如早于告警发生时间 5 分钟的时间点， 所述 录像结束时间可以为晚于所述告警发生时间的一个时间点， 如晚于告警发生 时间 5分钟的时间点。
优选地，所述告警事件包括告警状态,根据所述告警状态确定所述告警事 件为有状态告警事件或无状态告警事件。
所述录像获取信息为用于获取所述告警事件关联的录像的信息， 具体可 以利用存储所述录像的服务器位置信息和所述录像的存储路径来表示， 所述 服务器位置信息可以包括服务器编号和 /或服务器 IP地址，所述存储路径具体 可以釆用如下形式来表示： 磁盘编号 /存储目录 /摄像机编号 /时间目录 /录像文 件名。
优选地， 所述录像索引还包括摄像头标识， 所述摄像头标识为拍摄所述 告警事件对应的录像的摄像头的标识 , 所述摄像头标识是根据所述告警事件 中的设备标识确定的， 示例实施过程如下：
在视频监控系统中配置了设备标识与摄像头标识的关联关系， 当所述设 备标识所标识的告警设备检测到告警事件时， 所述设备标识关联的摄像头标 识所标识的摄像头会启动拍摄所述告警事件对应的录像。 上述确定所述摄像 头标识的方式具体可以为， 根据所述告警事件中的设备标识和所述配置的设 备标识与摄像头标识的关联关系获取所述告警事件中的设备标识关联的摄像 头标识。
需要说明的是， 如果所述告警事件中的设备标识为摄像头标识， 所述录 像书签包括的摄像头标识可能是所述告警事件中的设备标识； 如果所述告警 为手动告警， 所述录像书签包括的摄像头标识也可能是所述告警事件中的设 备标识。
如果在建立所述录像索引之前并没有拍摄所述告警事件对应的视频， 或 者并没有将正在拍摄的所述告警事件对应的视频保存为录像， 则拍摄并保存 所述告警事件对应的视频为录像。 如果在所述告警发生时间之前已经录制并 緩存了部分视频媒体， 则可以将这部分视频媒体也保存到所述录像中。 所述 录像索引包括的录像开始时间和所述录像开始拍摄的时间可以是一样的， 所 述录像索引包括的录像结束时间和所述录像结束拍摄的时间可以是一样的。
如果在建立所述录像索引之前已经拍摄并保存了所述告警事件对应的录 像， 则无需启动拍摄录像， 直接生成录像索引即可， 所述录像索引包括的录 像开始时间可以晚于所述录像开始拍摄的时间， 所述录像索引包括的录像结 束时间可以早于所述录像结束拍摄的时间。
130: 根据所述告警事件生成所述告警事件对应的录像的录像书签， 所述 录像书签包括摄像头标识和所述告警发生时间；
需要说明的是， 所述步骤 130和所述步骤 120没有特定的先后顺序。 确定所述录像书签包括的摄像头标识的方法如步骤 120所述。
如果所述录像索引包括摄像头标识， 所述录像书签包括的摄像头标识和 所述录像索引包括的摄像头标识是相同的。 可选地， 在步骤 120 和步骤 130 中可以分别确定所述摄像头标识。 可选地， 如果步骤 120在步骤 130之前， 可以在步骤 120中确定所述摄像头标识， 在步骤 130中直接将所述摄像头标 识添加到所述录像书签中； 如果步骤 130在步骤 120之前， 可以在步骤 130 中确定所述摄像头标识， 在步骤 120 中直接将所述摄像头标识添加到所述录 像索引中。
优选地， 所述告警事件还包括告警类型， 根据所述告警事件生成的录像 书签包括所述告警类型， 便于后续用户 （如监控人员）根据所述告警类型检 索所述录像书签对应的录像。
优选地， 根据所述告警事件生成的录像书签包括所述设备标识， 便于后 续用户 （如监控人员）根据所述设备标识检索所述录像书签对应的录像。
所述录像书签包括的告警发生时间为所述告警事件中的告警发生时间。 如果所述告警事件为无状态告警事件， 所述录像书签包括一个告警发生 时间， 将所述告警事件中的告警发生时间记录为所述录像书签的告警发生时 间。
如果所述告警事件为有状态告警事件， 所述录像书签包括两个告警发生 时间， 一个是告警开始时间， 另一个是告警结束时间。 优选地， 所述告警事 件中包括所述指示信息， 根据所述告警事件中的所述指示信息确定所述告警 事件为告警开始事件或告警结束事件。 如果所述告警事件为告警开始事件， 则将所述告警事件中的告警发生时间记录为所述录像书签的告警开始时间， 如果所述告警事件为告警结束事件， 确定与所述告警结束事件匹配的告警开 始事件， 并将所述告警事件包括的告警发生时间确定为告警结束时间， 将所 述告警结束时间记录到根据所述告警开始事件生成的录像书签中。 如果所述 告警事件为手动告警事件， 且所述告警事件包括的告警发生时间具体为告警 开始时间和告警结束时间， 则在所述录像书签中记录所述告警开始时间和所 述告警结束时间。
优选地，所述告警事件包括告警状态,根据所述告警状态确定所述告警事 件为有状态告警事件或无状态告警事件。 步骤 120和步骤 130中确定与所述告警结束事件匹配的告警开始事件的 示例实施过程如下：
根据所述告警结束事件中的告警检测设备标识、 告警发生时间、 告警类 型和指示信息匹配出与所述告警结束事件对应的告警开始事件， 如， 将满足 如下条件的告警事件作为与所述告警结束事件匹配的告警开始事件： 1 所述 告警事件为告警开始事件； 2 所述告警事件对应的告警检测设备标识与所述 告警结束事件对应的告警检测设备标识相同； 3 所述告警事件的告警类型与 所述告警结束事件的告警类型相同； 4 所述告警事件为在发生所述告警结束 事件之前发生的所有满足上述三个条件的事件中发生最晚的一个。
确定与所述告警结束事件匹配的告警开始事件并获取根据所述告警开始 事件生成的录像书签和 /或录像索引的具体方式如下：
可以是， 记录下之前发生的用于生成录像书签和录像索引的所有告警事 件并在记录的所述告警事件中匹配， 优选地， 还记录下所述告警事件与根据 所述告警事件生成的录像书签的关联关系、 所述告警事件与根据所述告警事 件生成的录像索引的关联关系， 匹配到与所述告警结束事件相匹配的告警开 始事件后， 根据告警事件与根据所述告警事件生成的录像书签的关联关系获 取根据所述告警开始事件生成的录像书签， 根据告警事件与根据所述告警事 件生成的录像索引的关联关系获取根据所述告警开始事件生成的录像索引。
可以是， 在已经记录的对应于有状态告警事件的、 包括事件开始时间不 包括事件结束事件的录像书签中匹配， 匹配到根据与所述告警结束事件相匹 配的告警开始事件生成的录像书签， 即匹配到了与所述告警结束事件相匹配 的告警开始事件， 然后可以根据所述录像书签与根据所述告警开始事件生成 的录像索引的关联关系获取所述录像索引。
还可以是， 在已经记录的对应于有状态告警事件的、 包括录像开始时间 不包括录像结束时间的录像索引中匹配， 匹配到根据与所述告警结束事件相 匹配的告警开始事件生成的录像索引， 即匹配到了与所述告警结束事件相匹 配的告警开始事件， 然后可以根据所述录像索引与根据所述告警开始事件生 成的录像书签的关联关系获取所述录像书签。
在步骤 120和步骤 130中均可以根据上述示例实施过程确定与所述告警 结束事件匹配的告警开始事件。
可选地， 如果步骤 120在步骤 130之前， 可以在步骤 120中根据上述示 例实施过程确定与所述告警结束事件匹配的告警开始事件， 在步骤 130 中直 接将步骤 120 中确定的所述告警开始事件作为所述告警结束事件匹配的告警 开始事件； 如果步骤 130在步骤 120之前， 可以在步骤 130中根据上述示例 实施过程确定与所述告警结束事件匹配的告警开始事件， 在步骤 120 中直接 将步骤 130 中确定的所述告警开始事件作为所述告警结束事件匹配的告警开 始事件。
140: 将所述录像书签和所述录像索引关联存储， 以便于后续根据录像书 签包括的摄像头标识和 /或告警发生时间检索录像书签并获取检索出的录像书 签关联的录像索引。
将所述录像书签和所述录像索引关联存储， 具体可以为， 为所述录像索 引分配标识， 在所述录像书签中包括所述录像索引的标识； 具体还可以为， 直接将录像索弓 )数据中除了摄像头标识以外的其它数据作为录像书签的一部 分； 具体还可以为， 为所述录像书签和所述录像索引分别分配标识， 并记录 所述录像书签的标识和所述录像索引的标识的关联关系。
需要说明的是， 如果拍摄所述告警事件关联的录像的摄像头不止一个， 则可以针对每个摄像头拍摄的录像分别生成一个录像索引和一个录像书签， 并将所述录像书签和所述录像索引关联存储。 图 2是本发明实施例 2提供的实现录像检索的方法流程示意图。
如图 2所示， 方法 200包括：
210: 接收录像检索请求,所述录像检索请求中包括检索条件
所述检索条件具体包括摄像头标识，和 /或告警时间信息，和 /或告警类型， 和 /或告警设备标识， 和 /或录像书签标识。
检索条件为摄像头标识， 是用于检索所述摄像头标识所标识的摄像头拍 摄的录像； 检索条件为告警时间信息， 所述告警时间信息可以为时间段， 用 于检索在所述告警时间段内发生的告警事件对应的录像； 检索条件为告警类 型， 用于检索告警类型为所述告警类型的告警事件对应的录像； 检索条件为 告警设备标识， 用于检索所述告警设备标识所标识的设备所生成的告警事件 对应的录像； 所述录像书签标识， 用于获取所述录像书签标识所标识的录像 书签对应的录像。
220: 在存储的录像书签中查找满足所述检索条件的录像书签， 利用所述 满足检索条件的录像书签获取所述录像书签关联的录像索引；
230: 返回所述录像索引
优选地， 返回所述录像书签和所述录像索引。
需要说明的是， 如果没有满足所述检索条件的录像书签， 则在返回消息 中指明没有满足所述检索条件的录像； 所述录像书签及所述录像书签关联的 录像索引可以不止一个。
发起检索请求的终端收到所述录像索引后， 将所述录像索引信息展示到 终端屏幕上， 后续终端可以根据所述录像索引包括的录像获取信息获取所述 录像， 所述终端可以自动从所述录像索引包括的录像开始时间开始播放所述 录像， 并在所述录像索引包括的录像结束时间停止播放所述录像， 还可以在 录像的播放进度条上标示出所述录像开始时间和所述录像结束时间。
需要说明的是， 本发明实施例 2可以和本发明实施例 1结合。 根据本发明实施例 1 ,本发明实施例 3提出了用来实现上述一种实现录像 检索的方法的一种实现录像检索的设备。
如图 3所示， 所述实现录像检索的设备 1000包括以下单元：
告警接收单元 1010, 用于接收告警事件， 所述告警事件包括告警设备的 设备标识和告警发生时间；
录像索引生成单元 1020 , 用于根据所述告警事件生成所述告警事件对应 的录像的录像索引,所述录像索引包括,录像时间信息和录像获取信息， 还用于 根据所述告警发生时间确定所述录像时间信息。 所述录像索引生成单元的具 体功能实现参见本发明实施例 1的步骤 120;
录像书签生成单元 1030 , 用于根据所述告警事件生成所述告警事件对应 的录像的录像书签， 所述录像书签包括摄像头标识和所述告警发生时间， 所 述摄像头标识为根据所述设备标识确定的拍摄所述录像的摄像头的标识， 所 述录像书签生成单元的具体功能实现参见本发明实施例 1的步骤 130;
存储单元 1040, 用于将所述录像书签和所述录像索引关联存储， 所述存 储单元的具体功能实现参见本发明实施例 1的步骤 140。
优选地， 所述告警事件还包括用于表示所述告警事件为告警开始事件或 告警结束事件的指示信息；
所述录像索引生成单元还用于， 根据所述指示信息确定所述告警事件为 告警结束事件， 并确定与所述告警结束事件匹配的告警开始事件， 还用于根 据所述告警事件中的告警发生时间确定所述告警结束事件对应的录像的录像 结束时间， 并在根据所述告警开始事件生成的录像索引中记录所述录像结束 时间。
所述录像书签生成单元还用于， 根据所述指示信息确定所述告警事件为 告警结束事件， 并确定与所述告警结束事件匹配的告警开始事件， 还用于将 所述告警结束事件的告警发生时间记录在根据所述告警开始事件生成的录像 书签中。
优选地， 所述告警接收单元将接收到的告警事件发送给录像索引生成单 元， 并从录像索引生成单元获取所述录像索引生成单元根据所述告警事件生 成的录像索引， 并将所述告警事件和所述录像索引发送给录像书签生成单元， 所述录像书签生成单元根据所述告警事件生成录像书签并将所述录像索引和 所述录像书签发送给所述存储单元， 所述存储单元将所述录像索引和所述录 像书签关联存储。 根据本发明实施例 2 ,本发明实施例 4提出了用来实现上述一种实现录像 检索的方法的一种实现录像检索的设备。
如图 4所示， 所述实现录像检索的设备 1100包括以下单元：
检索接口单元 1110, 用于接收录像检索请求， 所述录像检索请求中包括 检索条件，所述检索条件具体包括摄像头标识，和 /或时间段，和 /或告警类型， 和 /或告警设备标识， 和 /或录像书签标识；
检索单元 1120, 用于在存储的录像书签中查找满足所述检索条件的录像 书签， 利用所述满足检索条件的录像书签获取所述录像书签关联的录像索引； 所述检索接口单元， 还用于返回所述录像索引。
需要说明的是， 本发明实施例 4可以和本发明实施例 3结合。 本发明实施例 3或 4所述的实现录像检索的设备能够以电子硬件、 或者 计算机软件和电子硬件的结合来实现。 如果以计算机软件和电子硬件的结合 来实现， 具体地， 可以是通过在计算机上运行计算机程序来实现， 在计算机 上运行所述计算机程序可以实现本发明实施例 1或 2所述的方法。 所述计算 机包括但不限于 PC机、 服务器、 PAD、 笔记本便携机。
所述计算机的系统包括处理器、 存储器。
所述存储器用于存储计算机程序 , 所述计算机程序包括计算机操作指令。 所述计算机操作指令包括用于实现本发明实施例 3或 4提出的实现录像检索 的设备的各个单元的功能的计算机操作指令。 所述存储器具体为易失性存储 器。
所述主处理器用于执行存储器存储的计算机程序， 具体地， 用于执行所 述计算机程序包括的计算机操作指令， 以实现本发明实施例 3或 4提出的实 现录像检索的设备的各个单元的功能。 所述主处理器即中央处理器 （CPU, central processing unit ) , 是计算机核心单元。 根据本发明实施例 1和本发明实施例 3 ,本发明实施例 5提出了用来实现 上述一种实现录像检索的方法的一种实现录像检索的系统。
如图 5所示， 所述实现录像检索的系统包括：
第一设备 1210, 用于将告警事件发送给第二设备， 所述告警事件包括告 警设备的设备标识和告警发生时间。 所述第一设备的示例实现过程如本发明 实施例 1的步骤 110所述。
第二设备 1220, 具体为实施例 3所述的设备。 根据本发明实施例 2 ,本发明实施例 6提出了用来实现上述一种实现录像 检索的方法的一种实现录像检索的系统。
如图 6所示， 所述实现录像检索的系统包括：
第三设备 1310, 用于向第四设备发送录像检索请求， 并在收到返回的录 像索引后将所述录像索引信息展示到第三设备屏幕上； 所述第三设备的示例 实现过程如本发明实施例 2所述。
第四设备 1320, 具体为实施例 4所述的设备。
需要说明的是， 本发明实施例 6可以和本发明实施例 5结合。 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描述的各 示例的单元及算法步骤， 能够以电子硬件、 或者计算机软件和电子硬件的结 合来实现。 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。 专业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， 为描述的方便和简洁， 上述描 述的设备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， 所揭露的设备和方法， 可以通过其它的方式实现。 例如， 以上所描述的设备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。 另一点， 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， 设备或单元的间接耦合或通信连 接， 可以是电性或其它的形式。 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， 也可以两个或两个以上单元集成在一个单 元中。
所述功能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， 包括若干指令用以使得一台计算机设备（可以是个人计算机， 服务器， 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（ROM, Read-Only Memory ), 随机存取存储器（RAM, Random Access Memory ),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 想到变化或替换， 都应涵盖在本发明的保护范围之内。 因此， 本发明的保护 范围应所述以权利要求的保护范围为准。

Claims

权 利 要求 书
1. 一种实现录像检索的方法， 其特征在于， 所述方法包括： 接收第一告警事件， 所述第一告警事件包括第一告警设备的设备标识和告 警发生时间； 根据所述设备标识确定摄像头标识， 所述摄像头标识为拍摄所述第一告警 事件对应的录像的摄像头的标识， 根据所述告警发生时间确定所述录像的录像 时间信息， 生成所述录像的录像书签和录像索引， 所述录像书签包括所述摄像 头标识和所述告警发生时间， 所述录像索引包括所述录像时间信息和所述录像 的获取信息； 将所述录像书签和所述录像索引关联存储， 以便于后续根据录像书签包括 的摄像头标识和 /或告警发生时间检索录像书签并获取检索出的录像书签关联 的录像索引。
2. 如权利要求 1所述的方法， 其特征在于， 所述第一告警事件为无状态告警事件； 所述根据所述告警发生时间确定所述录像的录像时间信息， 具体为， 根据 所述告警发生时间确定所述录像的录像开始时间和录像结束时间。
3. 如权利要求 1所述的方法， 其特征在于， 所述第一告警事件还包括用于表示所述第一告警事件为告警开始事件或告 警结束事件的指示信息； 所述根据所述告警发生时间确定所述录像的录像时间信息之前， 还包括， 根据所述指示信息确定所述第一告警事件为告警开始事件； 所述根据所述告警发生时间确定所述录像的录像时间信息， 具体为根据所 述告警发生时间确定所述录像的录像开始时间。
4. 如权利要求 3所述的方法， 其特征在于， 还包括， 接收第二告警事件， 所述第二告警事件包括第二告警设备的设备标识、 告 警发生时间和用于表示所述第二告警事件为告警开始事件或告警结束事件的指 示信息； 根据所述指示信息确定所述第二告警事件为告警结束事件； 确定与所述第二告警事件相匹配的告警开始事件；
根据所述第二告警事件的告警发生时间确定所述第二告警事件对应的录像 的录像结束时间， 将所述录像结束时间记录到根据所述告警开始事件生成的录 像索引中； 根据所述告警开始事件生成的录像书签包括的告警发生时间为告警开始时 间， 将所述第二告警事件包括的告警发生时间确定为告警结束时间， 将所述告 警结束时间记录到根据所述告警开始事件生成的录像书签中。
5. 如权利要求 4所述的方法， 其特征在于， 所述第一告警事件和所述第二告警事件还包括告警类型； 所述确定与所述第二告警事件相匹配的告警开始事件， 具体为， 根据所述 第一告警事件和所述第二告警事件包括的指示信息、 告警设备标识、 告警类型 和告警发生时间匹配出与所述告警结束事件相匹配的告警开始事件。
6. 如权利要求 1所述的方法， 其特征在于， 所述将所述录像书签和所述录像索引关联存储， 具体为， 存储所述录像书签并为所述录像书签分配书签标识， 存储所述录像索引并 为所述录像索引分配索引标识， 记录所述书签标识和所述索引标识的关联关系； 或 存储所述录像索引并为所述录像索引分配标识， 将所述录像索引的标识记 录到所述录像书签中并存储所述录像书签； 或 将所述录像索引包括的录像时间信息和录像获取信息记录到录像书签中并 存储所述录像书签。
7. 如权利要求 1所述的方法， 其特征在于， 所述根据所述设备标识确定摄像头标识， 具体为， 从存储的设备标识和摄 像头标识的关联关系表中获取所述设备标识关联的摄像头标识。
8. 如权利要求 1所述的方法， 其特征在于，
^筮一 _ ^黎盡杜 ^ ^ ^ ^ at ^] ¾ ¾ ^ 标识和 /或告警类型记录到所述告警书签中， 便于后续根据录像书签包括的摄像 头标识、 告警发生时间、 告警设备标识、 告警类型的任意组合检索录像书签并 获取检索出的录像书签关联的录像索引。
9. 如权利要求 1至 8任一所述的方法， 其特征在于， 还包括， 接收录像检索请求，所述录像检索请求中包括检索条件， 所述检索条件具体 包括摄像头标识， 和 /或告警时间信息， 和 /或告警类型， 和 /或告警设备标识， 和 /或录像书签标识； 在存储的录像书签中查找满足所述检索条件的录像书签， 利用所述满足检 索条件的录像书签获取所述录像书签关联的录像索引； 返回所述录像索引。
10. 一种实现录像检索的设备， 其特征在于， 所述设备包括： 告警接收单元， 用于接收告警事件， 所述告警事件包括告警设备的设备标 识和告警发生时间； 录像索引生成单元， 用于根据所述告警事件生成所述告警事件对应的录像 的录像索引，所述录像索引包括，录像时间信息和录像获取信息， 所述录像时间 信息是根据所述告警发生时间确定的； 录像书签生成单元， 用于根据所述告警事件生成所述告警事件对应的录像 的录像书签， 所述录像书签包括摄像头标识和所述告警发生时间， 所述摄像头 标识为根据所述设备标识确定的拍摄所述录像的摄像头的标识； 存储单元， 用于将所述录像书签和所述录像索引关联存储。
11. 如权利要求 10所述的设备， 其特征在于， 所述告警事件还包括用于表示所述告警事件为告警开始事件或告警结束事 件的指示信息； 所述录像书签生成单元还用于， 根据所述指示信息确定所述告警事件为告 警结束事件， 并确定与所述告警结束事件匹配的告警开始事件， 还用于将所述 告警结束事件的告警发生时间记录在根据所述告警开始事件生成的录像书签 中。
12. 如权利要求 10或 11所述的设备， 其特征在于， 所述设备还包括： 检索接口单元， 用于接收录像检索请求， 所述录像检索请求中包括检索条 件， 所述检索条件具体包括摄像头标识， 和 /或告警时间信息， 和 /或告警类型， 和 /或告警设备标识；
检索单元， 用于在存储的录像书签中查找满足所述检索条件的录像书签， 利用所述满足检索条件的录像书签获取所述录像书签关联的录像索引；
所述检索接口单元， 还用于返回所述录像索引。
13. 一种实现录像检索的系统， 其特征在于， 所述系统包括： 第一设备， 用于将告警事件发送给第二设备， 所述告警事件包括告警设备 的设备标识和告警发生时间；
第二设备， 具体为如权利要求 10或 11所述的设备。
14. 如权利要求 13所述的设备， 其特征在于， 所述系统还包括： 第三设备， 用于向第四设备发送录像检索请求， 并在收到所述第四设备返 回的录像索引后将所述录像索引展示到所述第三设备屏幕上；
第四设备， 具体为如权利要求 12所述的设备。
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