CN106507046B - Alarm information generation method and device - Google Patents

Alarm information generation method and device Download PDF

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Publication number
CN106507046B
CN106507046B CN201610977206.9A CN201610977206A CN106507046B CN 106507046 B CN106507046 B CN 106507046B CN 201610977206 A CN201610977206 A CN 201610977206A CN 106507046 B CN106507046 B CN 106507046B
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China
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sub
information
monitoring
alarm
region
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CN201610977206.9A
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Chinese (zh)
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CN106507046A (en
Inventor
曾上雷
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浙江大华技术股份有限公司
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Priority to CN201610977206.9A priority Critical patent/CN106507046B/en
Publication of CN106507046A publication Critical patent/CN106507046A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed circuit television systems, i.e. systems in which the signal is not broadcast
    • H04N7/181Closed circuit television systems, i.e. systems in which the signal is not broadcast for receiving images from a plurality of remote sources
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/18Actuation by interference with heat, light or radiation of shorter wavelength; Actuation by intruding sources of heat, light or radiation of shorter wavelength
    • G08B13/189Actuation 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
    • G08B13/194Actuation 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
    • G08B13/196Actuation 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
    • G08B13/19602Image analysis to detect motion of the intruder, e.g. by frame subtraction

Abstract

The embodiment of the invention discloses a method and a device for generating alarm information, which are used for solving the problem that specific alarm process information is lacked in the prior art. The method comprises the following steps: acquiring coordinates of a moving object, determining a first monitoring sub-area where the moving object is located according to the coordinates and information of each monitoring sub-area in the current frame, and judging whether a second monitoring sub-area where the object in the previous frame of the current frame is located is not the first monitoring sub-area; and generating first alarm sub-information in the alarm information according to the first time of the current frame. In the embodiment of the invention, in the generation process of the alarm information, the coordinates of the moving object can be obtained, the monitoring sub-area of the moving object is determined, the alarm sub-information comprising the time and the monitoring sub-area is generated, and when the monitoring sub-area where the moving object is located is changed, the alarm sub-information comprising the changed monitoring sub-area of the moving object and the corresponding time is generated. Thereby generating specific alarm process information.

Description

Alarm information generation method and device

Technical Field

The invention relates to the technical field of dynamic inspection alarms, in particular to an alarm information generation method and device.

Background

With the continuous progress of science and technology, the frequency of the used monitoring equipment is more and more, and the monitoring equipment has high requirements in a plurality of fields such as bank systems, railway systems and the like. The monitoring equipment can record the monitoring video, and can generate alarm information and store the alarm video according to the alarm event set by the user. In the field of monitoring, alarm information is very important. With the alarm information and the alarm video, the inspector can determine the dangerous situation only by watching the alarm video according to the alarm information without staring at the monitoring video all the time.

In the prior art, the alarm video only records the starting time, the ending time and the alarm type of an alarm event, so that the alarm information is relatively simple and rough, specific alarm process information is lacked, and the efficiency of inquiring the alarm information is low, and if an inspector is interested in only a partial area, such as an area where a counter in a bank system is located or an area where an ATM device is located, the inspector needs to watch the complete alarm video to determine whether the alarm video contains the interested area, and the alarm video in the interested area refers to which section, so the work efficiency of the inspector is affected by the inquiry mode of the alarm information.

Disclosure of Invention

The invention provides an alarm information generation method and device, which are used for solving the problems that in the prior art, a monitoring area is integrated, alarm information is simple and rough, and specific alarm process information is lacked.

The embodiment of the invention discloses an alarm information generation method, which comprises the following steps:

acquiring coordinates of a moving object when judging that an alarm event is contained in each current frame of a monitoring area acquired by monitoring equipment, wherein the monitoring area comprises a plurality of monitoring sub-areas;

determining a first monitoring sub-region where a moving object is currently located according to the coordinates and information of each monitoring sub-region in the current frame, and judging whether a second monitoring sub-region where the moving object in the previous frame of the current frame is located is the first monitoring sub-region;

if not, generating first alarm sub-information in the alarm information according to the first time of the current frame, wherein the first alarm sub-information comprises the identification information of the first monitoring sub-region and the information that the time of entering the first monitoring sub-region is the first time.

Further, if it is determined that the second monitoring sub-region where the moving object in the previous frame of the current frame is located is the first monitoring sub-region, the method further includes:

and updating second alarm sub-information in the alarm information according to the first time of the current frame, wherein the updated second alarm sub-information comprises the identification information of the first monitoring sub-region and the information that the time of leaving the first monitoring sub-region is the first time.

Further, the generating of the first alarm sub-information in the alarm information according to the first time of the current frame includes:

and generating first alarm sub-information in alarm information according to the first time of the current frame and a second monitoring sub-region in which a moving object in a previous frame of the current frame is located, wherein the first alarm sub-information comprises identification information of the first monitoring sub-region, identification information of a second monitoring sub-region and information of the first time, wherein the time for the second monitoring sub-region to move to the first monitoring sub-region is the time of the first time.

Further, after acquiring the coordinates of the moving object, the method further includes:

saving coordinates of the moving object for the alert event.

Further, when it is determined that the image includes an alarm event, the method further includes:

and saving the monitoring video aiming at the monitoring area.

The embodiment of the invention discloses an alarm information query method, which comprises the following steps:

receiving an alarm information query request sent by a user, wherein the alarm information query request carries identification information of a monitoring sub-region to be queried, and a monitoring region corresponding to monitoring equipment comprises a plurality of monitoring sub-regions;

inquiring alarm sub-information containing identification information of the monitoring sub-region according to each piece of alarm sub-information contained in the generated alarm information, wherein the alarm sub-information contains time information corresponding to the monitoring sub-region;

and displaying the inquired alarm sub-information.

Further, the displaying the queried alarm sub-information includes:

and displaying the inquired alarm sub-information and coordinates of the moving object stored aiming at the alarm event corresponding to the alarm sub-information.

The embodiment of the invention discloses an alarm information generating device, which comprises:

the system comprises an acquisition module, a judgment module and a display module, wherein the acquisition module is used for acquiring the coordinates of a moving object when judging that each current frame of a monitoring area acquired by monitoring equipment contains an alarm event, and the monitoring area contains a plurality of monitoring sub-areas;

the judging module is used for determining a first monitoring sub-region where a moving object is located currently according to the coordinates and the information of each monitoring sub-region in the current frame, and judging whether a second monitoring sub-region where the moving object in the previous frame of the current frame is located is the first monitoring sub-region;

and the generating module is used for generating first alarm sub-information in the alarm information according to the first time of the current frame when the result of the judging module is negative, wherein the first alarm sub-information comprises the identification information of the first monitoring sub-region and the information that the time of entering the first monitoring sub-region is the first time.

Further, when the judgment result of the judgment module is yes, the generation module is further configured to update second warning sub-information in the warning information according to the first time of the current frame, where the updated second warning sub-information includes the identification information of the first monitoring sub-region, and the time when the second warning sub-information leaves the first monitoring sub-region is the information of the first time.

Further, the generating module is specifically configured to generate first warning sub information in warning information according to the first time of the current frame and a second monitoring sub area where a moving object in a previous frame of the current frame is located, where the first warning sub information includes identification information of the first monitoring sub area, identification information of a second monitoring sub area, and information that a time when the second monitoring sub area moves to the first monitoring sub area is the first time.

Further, the apparatus further comprises:

and the first storage module is used for storing the coordinates of the moving object aiming at the alarm event after the coordinates of the moving object are obtained.

Further, the apparatus further comprises:

and the second storage module is used for aiming at the monitoring video of the monitoring area when the image is judged to contain the alarm event.

The embodiment of the invention discloses an alarm information inquiry device, which comprises:

the monitoring device comprises a receiving module, a sending module and a processing module, wherein the receiving module is used for receiving an alarm information query request sent by a user, the alarm information query request carries identification information of a monitoring sub-region to be queried, and the monitoring region corresponding to the monitoring device comprises a plurality of monitoring sub-regions;

the query module is used for querying alarm sub-information containing identification information of the monitoring sub-region according to each piece of alarm sub-information contained in the generated alarm information, wherein the alarm sub-information contains time information corresponding to the monitoring sub-region;

and the display module is used for displaying the inquired alarm sub-information.

Further, the display module is specifically configured to display the queried alarm sub-information and coordinates of the moving object stored for the alarm event corresponding to the alarm sub-information.

The embodiment of the invention discloses a method and a device for generating alarm information, wherein the method comprises the following steps: acquiring coordinates of a moving object when judging that an alarm event is contained in each current frame of a monitoring area acquired by monitoring equipment, wherein the monitoring area comprises a plurality of monitoring sub-areas; determining a first monitoring sub-region where a moving object is currently located according to the coordinates and information of each monitoring sub-region in the current frame, and judging whether a second monitoring sub-region where the moving object in the previous frame of the current frame is located is the first monitoring sub-region; if not, generating first alarm sub-information in the alarm information according to the first time of the current frame, wherein the first alarm sub-information comprises the identification information of the first monitoring sub-region and the information that the time of entering the first monitoring sub-region is the first time. Because each monitoring area comprises a plurality of monitoring sub-areas in the embodiment of the invention, in the generation process of the alarm information, the coordinates of the moving object can be obtained, the monitoring sub-area where the moving object is located is determined according to the obtained coordinates, the alarm sub-information which comprises the time and the identification information of the monitoring sub-area is generated, and when the monitoring sub-area where the moving object is located is changed, the alarm sub-information which comprises the identification information of the monitoring sub-area after the moving object is changed and the corresponding time is generated. Thereby generating specific alarm process information.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1A is a schematic diagram of an alarm information generating process provided in embodiment 1 of the present invention;

fig. 1B is a method for monitoring area image block segmentation according to an embodiment of the present invention;

fig. 2A is an identification information diagram of a monitoring sub-area where coordinates of a moving object are located according to an embodiment of the present invention;

fig. 2B is a schematic diagram of an alarm information query process provided in embodiment 5 of the present invention;

fig. 3 is a structural diagram of an alarm information query device according to embodiment 7 of the present invention;

fig. 4 is a structural diagram of an alarm information query device according to embodiment 8 of the present invention;

fig. 5 is a structural diagram of an alarm information query device according to embodiment 9 of the present invention.

Detailed Description

In order to generate specific alarm process information, the embodiment of the invention provides an alarm information query method and device.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

fig. 1A is a schematic diagram of an alarm information generating process provided in embodiment 1 of the present invention, where the process includes the following steps:

s101: the method comprises the steps of obtaining coordinates of a moving object when judging that an alarm event is contained in each current frame of a monitoring area collected by monitoring equipment, wherein the monitoring area comprises a plurality of monitoring sub-areas.

In the embodiment of the present invention, the method for generating alarm information may be applied to a monitoring device, and the monitoring device may be a Network Video Recorder (NVR), a network camera (IPC), or other devices.

The monitoring device divides the monitoring area into a plurality of monitoring sub-areas according to a set method for the monitoring area, and stores identification information of each monitoring sub-area, wherein the identification information can be the name of the monitoring area, a unique serial number and the like, and other information of the monitoring sub-areas, such as range information, area type, important monitoring area or non-important monitoring area, safety level and the like, is also stored in the monitoring device. The identification information of each monitoring sub-area is matched with the logic area, so that the method is more consistent with a field scene and is easy to understand.

Since the installation position of the monitoring device for monitoring each monitoring area is fixed, the image of the monitoring area acquired by the monitoring device is also fixed. Therefore, when each monitoring sub-region is determined, the image can be divided into a plurality of monitoring sub-regions according to the image of the monitoring region acquired by the monitoring equipment.

For example, a plurality of monitoring sub-regions may be divided by a block division method, specifically, the image of the entire monitoring region may be divided in a balanced manner, the transverse coordinate x of the image may be divided in equal portions, the longitudinal coordinate y of the image may be divided in equal portions, x and y may be equal or different, so that the image of the entire monitoring region is divided into x × y small blocks, each of the small blocks may be one monitoring sub-region, of course, the monitoring sub-region may also be a combination of the plurality of small blocks, and the small blocks forming the monitoring sub-region may be adjacent small blocks or may not be adjacent small blocks. And the size of each monitoring subarea after division can be the same or different.

As shown in fig. 1B, in the block division method, the horizontal coordinate 10 of the image of the entire monitoring area is divided into equal parts, and the vertical coordinate 8 is divided into equal parts, so that the image of the entire monitoring area is divided into 8 × 10 — 80 small blocks, and a plurality of small blocks are combined to form four monitoring sub-areas, thereby dividing the monitoring area into a monitoring sub-area 1, a monitoring sub-area 2, a monitoring sub-area 3, and a monitoring sub-area 4.

Or, when the monitoring area is divided, the coordinates of each monitoring sub-area to be divided may be input into the monitoring device for the specific scene of the monitoring area, for example, when the monitoring sub-area is a rectangular area, the coordinates may be the coordinates of four vertices of the rectangular area, or the monitoring area may be divided by the operation of sliding a mouse in the image of the monitoring area, for example, when the monitoring area includes a building, the area in front of the building may be divided into one or more monitoring sub-areas. The monitoring sub-region may be rectangular or circular, or may be irregular. As long as the monitoring device maintains information for each monitored sub-area and is able to identify it.

The monitoring equipment judges whether the current frame contains an alarm event or not aiming at each current frame of the collected monitoring area, and if so, the monitoring equipment acquires the coordinates of the moving object according to the pixel points in each current frame contained in the collected alarm event. The acquired coordinates of the moving object may be coordinates of a central point of the moving object or coordinates of a non-central point of the moving object. For example, when a face image appears in the monitoring device, the monitoring device determines an alarm event, determines whether the image contains the face image or not for each frame of the collected monitoring area, determines the alarm event when the image contains the face image, and acquires coordinates of a moving object for each current frame contained in the alarm event. The process of judging whether the image contains the alarm event by the monitoring equipment belongs to the prior art, and the process is not described in detail in the embodiment of the invention.

S102: and determining a first monitoring sub-region where the moving object is currently located according to the coordinates and the information of each monitoring sub-region in the current frame, and judging whether a second monitoring sub-region where the moving object in the previous frame of the current frame is located is the first monitoring sub-region.

The monitoring equipment stores the range information of each monitoring sub-region, and when an alarm event occurs, the monitoring equipment determines a first monitoring sub-region where the moving object is currently located according to the coordinates of the moving object and the stored range information of each monitoring sub-region, and judges whether the first monitoring sub-region where the moving object in the current frame is located is the same as a second monitoring sub-region where the moving object in the previous frame in the current frame is located.

S103: if not, generating first alarm sub-information in the alarm information according to the first time of the current frame, wherein the first alarm sub-information comprises the identification information of the first monitoring sub-region and the information that the time of entering the first monitoring sub-region is the first time.

And if the first monitoring sub-region where the moving object in the current frame is located is judged to be different from the second monitoring sub-region where the moving object in the previous frame of the current frame is located according to the coordinates of the moving object, generating first alarm sub-information in the alarm information.

After the monitoring device identifies the first monitoring sub-region where the moving object is located in the current frame according to the coordinates of the moving object, the information of the first monitoring sub-region is stored for the current frame, so that whether alarm sub-information needs to be generated or not can be judged after the next frame is obtained. Therefore, when the monitoring device acquires the video frame again, the video frame is used as the current frame to judge the monitoring sub-region, and whether the video frame is the same as the stored first monitoring sub-region or not is identified, so that whether the first alarm sub-information is generated or not is determined. For example, the monitoring device identifies that a first monitoring sub-region where a moving object is located in the current frame is an a region according to coordinates of the moving object, stores information of the a region for the current frame, and when the monitoring device acquires a video frame again, takes the video frame as the current frame, determines that the monitoring sub-region where the moving object is located in the current frame is a B region, and determines whether the B region is the same as the stored a region, thereby determining whether to generate first warning sub-information. If the area a is different from the area B, the information of the monitored sub-area saved for the current frame is updated to the area B for subsequent identification, and if the area a is the same as the area B, the identification information of the monitored sub-area where the moving object of the current frame is currently saved is not updated.

When the current frame is the first frame of the alarm event, the last frame of the current frame does not exist, the monitoring equipment cannot acquire information of the monitoring sub-region, and the monitoring sub-region can be considered to be absent, but the monitoring equipment can determine the first monitoring sub-region where the moving object is located according to the coordinates of the moving object in the current frame, and the first monitoring sub-region is different from the monitoring sub-region where the moving object is determined to be absent in the last frame of the current frame, so that first alarm sub-information in the alarm information is generated; if the current frame is not the first frame of the alarm event, the identification information of the second monitoring sub-region where the moving object is located, which is determined according to the previous frame of the current frame, is stored in the monitoring device, so that whether the first monitoring sub-region where the moving object is located in the current frame is the same as the second monitoring sub-region where the moving object is located in the previous frame of the current frame can be determined, and whether the first alarm sub-information in the alarm information is generated or not can be determined.

When judging that a first monitoring sub-region where a moving object in the current frame is located is different from a second monitoring sub-region where a moving object in a previous frame of the current frame is located, the monitoring equipment generates first alarm sub-information in alarm information, wherein the first alarm sub-information comprises identification information of the first monitoring sub-region and information of the first time when the moving object enters the first monitoring sub-region.

When the current frame is the first frame of the alarm event, and the first monitoring sub-region where the coordinates of the moving object in the current frame are located is the first monitoring sub-region where the alarm event occurs, and the moving object initially appears, specifically, as shown in fig. 2A, for example, if the identification information of the first monitoring sub-region where the coordinates of the moving object are located is the inbound route a region, the first monitoring sub-region where the moving object is located is the identification information of the monitoring sub-region where the moving object initially appears in the alarm event, which is the inbound route a region.

The monitoring device generates first alarm sub-information including information that the time of entering the first monitoring sub-region is the first time and identification information of the first monitoring sub-region in the alarm information according to the first time 09:15:10 of the current frame, for example, the alarm sub-information is: [09:15:10] into [ area A of garden entry ], and [09:15:10] [ move alarm generation ] [ object m1] into [ area A of garden entry ].

When the current frame is not the first frame of the alarm event, the identification information of the second monitoring sub-region where the moving object is located, which is determined according to the previous frame of the current frame, is stored in the monitoring equipment, the first monitoring sub-region where the coordinates of the moving object in the current frame are located is different from the second monitoring sub-region where the moving object in the previous frame of the current frame is located, and the first alarm sub-information in the alarm information is generated.

Specifically, as shown in fig. 2A, for example, the identification information of the first monitoring sub-area where the moving object is located may be a development building doorway B area, and the monitoring device stores the identification information of the second monitoring sub-area where the moving object is located, which is determined according to the previous frame of the current frame, as an inbound route a area. The monitoring device generates first alarm sub-information, which includes information that the time of entering the first monitoring sub-region is the first time and identification information of the first monitoring sub-region, in the alarm information according to the first time 09:16:15 of the current frame, for example, the alarm sub-information is [09:16:15] entering [ development building doorway B region ], although the alarm sub-information may also include other contents, for example, a type corresponding to an alarm event, identification information of a moving object, a state corresponding to the alarm sub-information, and the like, for example, the generated alarm sub-information may be [09:16:15] [ object m1] entering [ development building doorway B region ].

Because each monitoring area comprises a plurality of monitoring sub-areas in the embodiment of the invention, in the generation process of the alarm information, the coordinates of the moving object can be obtained, the monitoring sub-area where the moving object is located is determined according to the obtained coordinates, the alarm sub-information which comprises the time and the identification information of the monitoring sub-area is generated, and when the monitoring sub-area where the moving object is located is changed, the alarm sub-information which comprises the identification information of the monitoring sub-area after the moving object is changed and the corresponding time is generated. Thereby generating specific alarm process information.

Example 2:

if the first monitoring sub-region where the moving object in the current frame is located is different from the second monitoring sub-region where the moving object in the previous frame of the current frame is located, the first time of the current frame may be regarded as the time for leaving the second monitoring sub-region, but in order to accurately determine the staying time of the moving object in each monitoring sub-region, in an embodiment of the present invention, if it is determined that the second monitoring sub-region where the moving object in the previous frame of the current frame is located is the first monitoring sub-region, the method further includes:

and updating second alarm sub-information in the alarm information according to the first time of the current frame, wherein the updated second alarm sub-information comprises the identification information of the first monitoring sub-region and the information that the time of leaving the first monitoring sub-region is the first time.

In the embodiment of the present invention, when the monitoring device generates the first warning sub-information, the monitoring device may generate information that includes identification information of a first monitoring sub-region where a moving object in a current frame is located and information that a time of entering the first monitoring sub-region is a first time of the current frame, and when the monitoring device generates one first warning sub-information, the monitoring device generates a second warning sub-information corresponding to the first warning sub-information by default, where the second warning sub-information includes identification information of the first monitoring sub-region and information of a time of leaving the first monitoring sub-region.

Every time the monitoring equipment acquires a current frame, whether a first monitoring sub-region where a moving object in the current frame is located is the same as a second monitoring sub-region where the moving object in the previous frame of the stored current frame is located is judged, if yes, second alarm sub-information in the alarm information can be updated, the identification information of the first monitoring region cannot be changed, and the time for leaving the first monitoring sub-region is updated. And when the monitoring equipment judges that the second monitoring sub-region and the first monitoring sub-region are the same monitoring sub-region, updating the time of leaving the first monitoring sub-region in the second alarm sub-information to the first time of the current frame. When the monitoring device determines that the second monitoring sub-region is different from the first monitoring sub-region, the second warning sub-information may not be updated.

As shown in fig. 2A, for example, the identification information of the first monitoring sub-region where the coordinates of the moving object of the current frame are located is an area of the circle-in channel a, the second monitoring sub-region where the moving object of the previous frame of the stored current frame is located is also the first monitoring sub-region, that is, the area of the circle-in channel a, when the monitoring device acquires the current frame, it is determined that the first monitoring sub-region where the coordinates of the moving object of the current frame are located and the second monitoring sub-region where the moving object of the previous frame of the stored current frame is located are the same monitoring sub-region, and then the time in the second warning sub-information is updated to the first time of the current frame. For example, the time of the previous frame of the current frame is 09:16:13, the generated second warning sub information may be [09:16:13] [ object m1] leaving [ enter into the garden channel a region ], the first time of the current frame is 09:16:14, when the coordinates of the moving object in the current frame are obtained through monitoring, the second warning sub information may be updated, and the updated second warning sub information may be [09:16:13] [ object m1] leaving [ enter into the garden channel a region ].

Because the time for the object to move away from the monitoring sub-region is recorded in each piece of alarm sub-information in the embodiment of the invention, when the detector searches the corresponding alarm sub-information, the video of the interested region can be accurately acquired according to the time recorded in the alarm sub-information, thereby improving the working efficiency of the detector.

Example 3:

in order to make the generated sub-alarm information more complete, on the basis of the above embodiment, in an embodiment of the present invention, the generating the first sub-alarm information in the alarm information according to the first time of the current frame includes:

and generating first alarm sub-information in alarm information according to the first time of the current frame and a second monitoring sub-region in which a moving object in a previous frame of the current frame is located, wherein the first alarm sub-information comprises identification information of the first monitoring sub-region, identification information of a second monitoring sub-region and information of the first time, wherein the time for the second monitoring sub-region to move to the first monitoring sub-region is the time of the first time.

In the implementation of the present invention, when the current frame is not the first frame of the alarm event, the first monitoring sub-region where the coordinates of the moving object in the current frame are located is different from the second monitoring sub-region where the moving object in the last frame of the saved current frame is located, and the first alarm sub-information in the alarm information is generated. Specifically, as shown in fig. 2A, for example, the identification information of the first monitoring sub-area where the coordinates of the moving object in the current frame are located is a development building doorway B area, the identification information of the second monitoring sub-area where the moving object in the previous frame of the current frame is located, which is stored in the monitoring device, is an entry circle access a area, and the time for moving from the second monitoring sub-area to the first monitoring sub-area is 09:16:15, then the alarm sub-information may be generated as [09:16:15] moving from [ entry circle access a area ] to [ development building doorway B area ]. Of course, the alarm sub-information may also include other contents, such as the type corresponding to the alarm event, the identification information of the moving object, and the state corresponding to the alarm sub-information, etc., for example, the generated alarm sub-information may be [09:16:15] [ object m1] moving from [ enter garden path a area ] to [ develop building doorway B area ].

The identification information of the first monitoring sub-area where the coordinates of the moving object in the current frame are located is a right main corridor D area, the identification information of the second monitoring sub-area where the moving object in the previous frame of the current frame is located, which is stored in the monitoring device, is a development building doorway B area, and the time for moving from the second monitoring sub-area to the first monitoring sub-area is the first time 9:17:30, then alarm sub-information may be generated as [9:17:30] moving from [ development building doorway B area ] to [ right main corridor D area ]. Of course, the alarm sub-information may also include other contents, such as the type corresponding to the alarm event, the identification information of the moving object, and the state corresponding to the alarm sub-information, etc., for example, the generated alarm sub-information may be [9:17:30] [ object m1] moving from [ development building doorway B area ] to [ right main doorway D area ].

The identification information of the first monitoring sub-area where the coordinates of the moving object in the current frame are located is an administrative building doorway C area, the identification information of the second monitoring sub-area where the moving object in the previous frame of the current frame is located, which is stored in the monitoring device, is a right main aisle D area, and the time for moving from the second monitoring sub-area to the first monitoring sub-area is the first time 9:18:00, then it may be generated that the alarm sub-information is [9:18:00] [ object m1] moves from [ right main aisle D area ] to [ administrative building doorway C area ].

Because the time of moving an object from one monitoring sub-region to another monitoring sub-region is recorded in each piece of alarm sub-information in the embodiment of the invention, when a detector searches the corresponding alarm sub-information, the video of the region of interest of the detector can be accurately acquired according to the time recorded in the alarm sub-information, thereby improving the working efficiency of the detector.

The monitoring equipment updates second warning sub-information generated according to the coordinates of the moving object in the previous frame of the current frame when judging that the first monitoring sub-region where the coordinates of the moving object in the current frame are located is the same as the second monitoring sub-region where the moving object in the previous frame of the current frame stored in the monitoring equipment is located every time, the time of leaving the first monitoring sub-region in the second warning sub-information is updated to be the first time of the current frame, and when the monitoring equipment acquires the coordinates of the moving object in the last current frame of the warning event, the time of the second warning sub-information updated by the monitoring equipment is the ending time of the warning event. And the coordinate of the moving object in the last current frame is the last coordinate of the alarm event. As shown in fig. 2A, the identification information of the monitoring sub-area where the last coordinate in the moving object letting-off coordinates is located is an administrative building doorway C area, the time of the current frame corresponding to the last coordinate is 09:18:20, and the generated warning sub-information may be [09:18:20] leaving [ the administrative building doorway C area ]. Of course, the alarm sub-information may also include other contents, such as a type corresponding to the alarm event, identification information of the moving object, a state corresponding to the alarm sub-information, and the like, and for example, the generated alarm sub-information may be: [09:18:20] [ end of movement alarm ] [ object m1] disappears in [ area C of doorway of administrative building ].

Because the generated alarm sub-information contains the end time of the alarm event, the detection personnel can accurately know the time period of the alarm event, so that other irrelevant alarm videos do not need to be watched, and the working efficiency of the detection personnel is improved.

Example 4:

in order to enable the inspector to know the moving path of the moving object in the alarm event in detail so as to search other areas, on the basis of the above embodiments, in an embodiment of the present invention, after acquiring the coordinates of the moving object, the method further includes:

saving coordinates of the moving object for the alert event.

And the object moving track is quickly displayed according to the stored object coordinates, so that people can more quickly and vividly know the content in the alarm process.

The monitoring equipment can acquire the coordinates of the moving object according to each current frame of the acquired monitoring area, and simultaneously can store the coordinates of the moving object. Therefore, the object moving track can be displayed quickly according to the stored object coordinates. The monitoring equipment can determine and store the current monitoring sub-area of the moving object according to the coordinates of the moving object in each current frame, and simultaneously stores the coordinates corresponding to the monitoring sub-area, so that the track of the object and the monitoring sub-area of the object can be clearly known. And the inspector can more quickly and vividly know the content in the alarm process.

The monitoring device may record the monitoring video 24 hours a day, and in order to save the memory space occupied by the monitoring video, when the monitoring device records the monitoring video, the monitoring device may also record a video of the time when the alarm event occurs, that is, the alarm video, and when it is determined that the image includes the alarm event, on the basis of the above embodiments, the method further includes:

and saving the monitoring video aiming at the monitoring area.

The alarm information is simultaneously associated with the monitoring video, so that the specific alarm process of the monitoring video can be quickly seen.

Example 5:

fig. 2B is a schematic diagram of an alarm information query process provided in an embodiment of the present invention, where the process includes the following steps:

s201: receiving an alarm information query request sent by a user, wherein the alarm information query request carries identification information of a monitoring sub-region to be queried, and a monitoring region corresponding to monitoring equipment comprises a plurality of monitoring sub-regions.

The alarm information query method provided by the embodiment of the invention is applied to monitoring equipment. The monitoring device can be a Network Video Recorder (NVR), a network camera (IPC) or other devices.

The monitoring device may receive an alarm information query request sent by a user, where the alarm information query request carries identification information of a monitoring sub-region to be queried, where the identification information may be a name of the monitoring sub-region and a unique serial number, and the alarm information query request may also carry other information of the monitoring sub-region to be queried, such as range information, region type, a key monitoring region or a non-key monitoring region, a security level, and the like. The identification information and other information of the monitoring sub-area to be queried are stored inside the monitoring device. The monitoring sub-region identification information in the alarm information can be used as a key field to more quickly and accurately position the video to be checked when a user inquires the video.

The monitoring area is the whole area monitored by the monitoring equipment, the monitoring area is divided into at least two sub-areas according to a set method, and the divided sub-areas are the monitoring sub-areas.

S202: and inquiring the alarm sub-information containing the identification information of the monitoring sub-region according to each piece of alarm sub-information contained in the generated alarm information, wherein the alarm sub-information contains time information corresponding to the monitoring sub-region.

The alarm information generated by the monitoring equipment is composed of at least two pieces of alarm sub-information, and each piece of alarm sub-information contains identification information and time information of a monitoring sub-region.

When inquiring the alarm sub-information containing the identification information of the monitoring sub-region, the monitoring equipment inquires the alarm sub-information containing the identification information of the monitoring sub-region according to each piece of alarm sub-information contained in the generated alarm information. The alarm sub-information comprises time information corresponding to the monitoring sub-region. When a user wants to view a certain monitoring sub-region in the whole monitoring region and the corresponding time in the whole alarm event, the alarm sub-information including the monitoring sub-region and the time information can be inquired according to the identification information of the monitoring sub-region, wherein the time information can be the time of entering the monitoring sub-region, the time of leaving the monitoring sub-region, the time of being located in the monitoring sub-region, and the like.

For example, the alarm sub-information included in the alarm information is:

[9:16:15] [ object m1] moving from [ enter garden path A zone ] to [ develop building doorway B zone ];

[09:17:30] [ object m1] moved from [ development building B doorway area ] to [ right main doorway D area ].

When a user wants to check time corresponding to the area B of the development building entrance of the monitoring sub-area, the monitoring device may query, according to the area B of the development building entrance inputted by the user on the query interface, alarm sub-information including identification information of the monitoring sub-area in each piece of alarm sub-information, where the alarm sub-information includes time information corresponding to the monitoring sub-area, that is, time information corresponding to the area B of the development building entrance is 9:16:15 and 09:17:30, and these two times may be times when an object enters and leaves the monitoring sub-area.

S203: and displaying the inquired alarm sub-information.

The monitoring device can display the inquired identification information containing the monitoring sub-region and the time information corresponding to the monitoring sub-region.

Because each monitoring area comprises a plurality of monitoring sub-areas, when in query, a query request carrying identification information of the monitoring sub-areas can be sent, and each piece of alarm sub-information comprises the monitoring sub-areas and corresponding time information, so that the alarm sub-information of the monitoring sub-areas which are interested by a user can be obtained, and corresponding videos can be watched according to the time contained in the alarm sub-information, thereby improving the working efficiency of inspectors.

Example 6:

the displaying the inquired alarm sub-information comprises the following steps:

and displaying the inquired alarm sub-information and coordinates of the moving object stored aiming at the alarm event corresponding to the alarm sub-information.

When the monitoring device displays the inquired alarm sub-information, the identification information of the monitored sub-region and the time information corresponding to the monitored sub-region in the alarm sub-information can be displayed, and the coordinates of the moving object saved aiming at the alarm event corresponding to the alarm sub-information can be displayed.

Therefore, when the inspector watches the alarm video, the watching time period can be accurately known according to the time information contained in the alarm sub-information inquired by the monitoring equipment, and the coordinates of the moving object of the alarm event corresponding to the alarm sub-information can be displayed when the inspector watches the alarm video of the corresponding time period, so that the inspector can accurately know the motion track of the moving object. When the monitoring device displays the inquired alarm sub-information and the coordinates of the moving object stored for the alarm event corresponding to the alarm sub-information, the coordinates of the inquired time period of the alarm sub-information corresponding to the monitoring sub-region can be displayed, and the coordinates of all the time periods in the whole alarm information can be displayed.

Example 7:

fig. 3 is a structural diagram of an alarm information generating apparatus according to embodiment 7 of the present invention, where the apparatus further includes:

the acquiring module 31 is configured to acquire coordinates of a moving object when it is determined that an alarm event is included in each current frame of a monitoring area acquired by a monitoring device, where the monitoring area includes a plurality of monitoring sub-areas;

a determining module 32, configured to determine, according to the coordinate and information of each monitoring sub-region in the current frame, a first monitoring sub-region where a moving object is currently located, and determine whether a second monitoring sub-region where the moving object in a previous frame of the current frame is located is the first monitoring sub-region;

and a generating module 33, configured to generate, when the result of the determining module 32 is negative, first warning sub-information in the warning information according to the first time of the current frame, where the first warning sub-information includes the identification information of the first monitoring sub-region and information that the time of entering the first monitoring sub-region is the first time.

When the determination result of the determining module 32 is yes, the generating module 33 is further configured to update second warning sub-information in the warning information according to the first time of the current frame, where the updated second warning sub-information includes the identification information of the first monitoring sub-region, and the time when the second warning sub-information leaves the first monitoring sub-region is the information of the first time.

The generating module 33 is specifically configured to generate first warning sub information in warning information according to the first time of the current frame and a second monitoring sub area where a moving object in a previous frame of the current frame is located, where the first warning sub information includes identification information of the first monitoring sub area, identification information of a second monitoring sub area, and information that a time when the second monitoring sub area moves to the first monitoring sub area is the first time.

Example 7:

fig. 4 is a structural diagram of an alarm information generating apparatus according to embodiment 8 of the present invention, and on the basis of the foregoing embodiments, the apparatus further includes:

the first saving module 41 is configured to, after acquiring the coordinates of the moving object, save the coordinates of the moving object for the alarm event.

The device further comprises:

and a second saving module 42, configured to, when it is determined that the image includes an alarm event, target the monitoring video of the monitored area.

Example 9:

fig. 5 is a structural diagram of an alarm information query apparatus according to embodiment 9 of the present invention, which is applied to a monitoring device, and the apparatus includes:

the receiving module 51 is configured to receive an alarm information query request sent by a user, where the alarm information query request carries identification information of a monitoring sub-region to be queried, and a monitoring region corresponding to a monitoring device includes multiple monitoring sub-regions;

the query module 52 is configured to query, according to each piece of alarm sub-information included in the generated alarm information, alarm sub-information including identification information of the monitoring sub-region, where the alarm sub-information includes time information corresponding to the monitoring sub-region;

and the display module 53 is configured to display the queried alarm sub-information.

The display module 53 is specifically configured to display the inquired warning sub-information and coordinates of the moving object stored for the warning event corresponding to the warning sub-information.

The embodiment of the invention discloses a method and a device for generating alarm information, wherein the method comprises the following steps: acquiring coordinates of a moving object when judging that an alarm event is contained in each current frame of a monitoring area acquired by monitoring equipment, wherein the monitoring area comprises a plurality of monitoring sub-areas; determining a first monitoring sub-region where a moving object is currently located according to the coordinates and information of each monitoring sub-region in the current frame, and judging whether a second monitoring sub-region where the moving object in the previous frame of the current frame is located is the first monitoring sub-region; if not, generating first alarm sub-information in the alarm information according to the first time of the current frame, wherein the first alarm sub-information comprises the identification information of the first monitoring sub-region and the information that the time of entering the first monitoring sub-region is the first time. Because each monitoring area comprises a plurality of monitoring sub-areas in the embodiment of the invention, in the generation process of the alarm information, the coordinates of the moving object can be obtained, the monitoring sub-area where the moving object is located is determined according to the obtained coordinates, the alarm sub-information which comprises the time and the identification information of the monitoring sub-area is generated, and when the monitoring sub-area where the moving object is located is changed, the alarm sub-information which comprises the identification information of the monitoring sub-area after the moving object is changed and the corresponding time is generated. Thereby generating specific alarm process information.

For the system/apparatus embodiments, since they are substantially similar to the method embodiments, the description is relatively simple, and reference may be made to some descriptions of the method embodiments for relevant points.

It is to be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or operation from another entity or operation without necessarily requiring or implying any actual such relationship or order between such entities or operations.

As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (12)

1. A method for generating alarm information is characterized in that the method comprises the following steps:
acquiring coordinates of a moving object when judging that an alarm event is contained in each current frame of a monitoring area acquired by monitoring equipment, wherein the monitoring area comprises a plurality of monitoring sub-areas;
determining a first monitoring sub-region where a moving object is currently located according to the coordinates and information of each monitoring sub-region in the current frame, and judging whether a second monitoring sub-region where the moving object in the previous frame of the current frame is located is the first monitoring sub-region;
if not, generating first alarm sub-information in alarm information according to the first time of the current frame, wherein the first alarm sub-information comprises identification information of the first monitoring sub-region and information that the time of entering the first monitoring sub-region is the first time;
wherein, the generating of the first alarm sub-information in the alarm information according to the first time of the current frame includes:
and generating first alarm sub-information in alarm information according to the first time of the current frame and a second monitoring sub-region in which a moving object in a previous frame of the current frame is located, wherein the first alarm sub-information comprises identification information of the first monitoring sub-region, identification information of a second monitoring sub-region and information of the first time, wherein the time for the second monitoring sub-region to move to the first monitoring sub-region is the time of the first time.
2. The method of claim 1, wherein if it is determined that the second monitoring sub-region where the moving object in the previous frame of the current frame is located is the first monitoring sub-region, the method further comprises:
and updating second alarm sub-information in the alarm information according to the first time of the current frame, wherein the updated second alarm sub-information comprises the identification information of the first monitoring sub-region and the information that the time of leaving the first monitoring sub-region is the first time.
3. The method of claim 1, wherein after acquiring the coordinates of the moving object, the method further comprises:
saving coordinates of the moving object for the alert event.
4. The method of claim 1, wherein when it is determined that the current frame contains an alarm event, the method further comprises:
and saving the monitoring video aiming at the monitoring area.
5. An alarm information query method based on the alarm information generation method of any one of claims 1 to 4, the method comprising:
receiving an alarm information query request sent by a user, wherein the alarm information query request carries identification information of a monitoring sub-region to be queried, and a monitoring region corresponding to monitoring equipment comprises a plurality of monitoring sub-regions;
inquiring alarm sub-information containing identification information of the monitoring sub-region according to each piece of alarm sub-information contained in the generated alarm information, wherein the alarm sub-information contains time information corresponding to the monitoring sub-region;
and displaying the inquired alarm sub-information.
6. The method of claim 5, wherein displaying the queried alert sub-information comprises:
and displaying the inquired alarm sub-information and coordinates of the moving object stored aiming at the alarm event corresponding to the alarm sub-information.
7. An alert information generation apparatus, characterized in that the apparatus comprises:
the system comprises an acquisition module, a judgment module and a display module, wherein the acquisition module is used for acquiring the coordinates of a moving object when judging that each current frame of a monitoring area acquired by monitoring equipment contains an alarm event, and the monitoring area contains a plurality of monitoring sub-areas;
the judging module is used for determining a first monitoring sub-region where a moving object is located currently according to the coordinates and the information of each monitoring sub-region in the current frame, and judging whether a second monitoring sub-region where the moving object in the previous frame of the current frame is located is the first monitoring sub-region;
a generating module, configured to generate first warning sub-information in warning information according to the first time of the current frame when the result of the determining module is negative, where the first warning sub-information includes identification information of the first monitoring sub-region and information that the time of entering the first monitoring sub-region is the first time;
the generating module is specifically configured to generate first warning sub-information in warning information according to the first time of the current frame and a second monitoring sub-region where a moving object in a previous frame of the current frame is located, where the first warning sub-information includes identification information of the first monitoring sub-region, identification information of a second monitoring sub-region, and information that a time when the second monitoring sub-region moves to the first monitoring sub-region is the first time.
8. The apparatus according to claim 7, wherein when the determination result of the determining module is yes, the generating module is further configured to update a second warning sub-message in the warning message according to the first time of the current frame, where the updated second warning sub-message includes the identification information of the first monitoring sub-region, and the time when the second warning sub-message leaves the first monitoring sub-region is the information of the first time.
9. The apparatus of claim 7, further comprising:
and the first storage module is used for storing the coordinates of the moving object aiming at the alarm event after the coordinates of the moving object are obtained.
10. The apparatus of claim 7, further comprising:
and the second storage module is used for aiming at the monitoring video of the monitoring area when the current frame is judged to contain the alarm event.
11. An alarm information inquiry apparatus based on the alarm information generating apparatus according to any one of claims 7 to 10, characterized in that the apparatus comprises:
the monitoring device comprises a receiving module, a sending module and a processing module, wherein the receiving module is used for receiving an alarm information query request sent by a user, the alarm information query request carries identification information of a monitoring sub-region to be queried, and the monitoring region corresponding to the monitoring device comprises a plurality of monitoring sub-regions;
the query module is used for querying alarm sub-information containing identification information of the monitoring sub-region according to each piece of alarm sub-information contained in the generated alarm information, wherein the alarm sub-information contains time information corresponding to the monitoring sub-region;
and the display module is used for displaying the inquired alarm sub-information.
12. The apparatus of claim 11, wherein the display module is specifically configured to display the queried alert sub-information and coordinates of the moving object saved for the alert event corresponding to the alert sub-information.
CN201610977206.9A 2016-11-07 2016-11-07 Alarm information generation method and device CN106507046B (en)

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