CN112309065A - Alert sound prompting method and device, storage medium and electronic equipment - Google Patents
Alert sound prompting method and device, storage medium and electronic equipment Download PDFInfo
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- 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
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Abstract
The embodiment of the application discloses a warning sound prompting method and device, a storage medium and electronic equipment. The method is performed by a camera, and comprises the following steps: acquiring an image, and determining whether an early warning trigger event exists in the image; if yes, determining a target warning sound type according to the early warning trigger event; wherein the target alert sound type is one of at least two alert sound types; and prompting the early warning trigger event by adopting the target warning tone type. By executing the scheme, the early warning analysis can be carried out on the real-time condition of the monitoring range through the camera, and different warning sound prompting modes are adopted aiming at different early warning events, so that the safety prompting effect on the monitoring range can be improved.
Description
Technical Field
The embodiment of the application relates to the technical field of security monitoring, in particular to a warning sound prompting method and device, a storage medium and electronic equipment.
Background
With the rapid development of the technology level, security monitoring equipment has been widely used in various locations. The method has the characteristics of real-time performance and traceability, and is applied to various aspects of public safety, social supervision, scene monitoring and the like.
Traditional security monitoring equipment, such as a camera, often has the functions of image acquisition and sound input. However, in some fields, such as the banks of tourist sites and under the feet of mountains, the location of the user often needs to be monitored in real time due to potential risks. The traditional monitoring mode usually adopts physical monitoring, manual monitoring and the like. Physical monitoring is that warning lines are set in dangerous areas to play a role in prompting, and manual monitoring needs special personnel to supervise in real time.
Therefore, whether physical monitoring or manual monitoring is adopted, much manpower and material resources are needed to be consumed to manage, control and maintain, and the condition that monitoring is not timely enough exists.
Disclosure of Invention
The embodiment of the application provides a warning sound prompting method and device, a storage medium and electronic equipment, which can realize the effects of real-time monitoring and prompting.
In a first aspect, an embodiment of the present application provides a warning sound prompting method, where the method is executed by a camera, and the method includes:
acquiring an image, and determining whether an early warning trigger event exists in the image;
if yes, determining a target warning sound type according to the early warning trigger event; wherein the target alert sound type is one of at least two alert sound types;
and prompting the early warning trigger event by adopting the target warning tone type.
Further, the determining whether the image information has an early warning trigger event includes:
identifying whether a target object exists in at least two prompt regions in the image; wherein the at least two prompt regions are pre-partitioned;
and if so, determining that the image information has an early warning trigger event.
Further, determining a target alert tone type according to the early warning trigger event includes:
determining a position of the target object in the image;
determining a prompt area where the target object is located according to the position;
and determining the target alert sound type according to the prompt region where the target object is located and the predetermined association relationship between the prompt region and the alert sound type.
Further, before determining the target alert tone type according to the early warning trigger event, the method further comprises:
determining priorities of at least two prompt regions in the image;
correspondingly, determining the type of the target warning tone according to the early warning trigger event comprises the following steps:
determining a position of the target object in the image;
determining a prompt area where the target object is located according to the position;
and if the prompt zone in which the target object is located comprises at least two prompt zones, determining the target alert sound type according to the priorities of the at least two prompt zones and the predetermined association relationship between the prompt zones and the alert sound types.
Further, after determining the priorities of at least two prompt regions in the image, the method further comprises:
determining that the area with high priority is a high-alert-level area and the area with low priority is a low-alert-level area;
correspondingly, if the prompt zone where the target object is located includes at least two prompt zones, determining the target alert sound type according to the priorities of the at least two prompt zones and the predetermined association relationship between the prompt zone and the alert sound type, including:
if the prompting area where the target object is located is a high-warning-level area, a high-frequency alarm sound and a warning sound prompting type of circular broadcast are adopted;
and if the prompting area where the target object is located is a low-alert-level area, adopting an alert sound type of alert sound prompting.
Further, determining whether the image has an early warning trigger event includes:
if the first characteristic and/or the second characteristic exist in the image, determining that an early warning trigger event exists in the image;
correspondingly, determining the type of the target warning tone according to the early warning trigger event comprises the following steps:
if the first characteristic exists in the image, determining that the first warning sound type is a target warning sound type;
and if the second characteristic exists in the image, determining that the second warning sound type is the target warning sound type.
Further, the at least two alert tone types include: a first frequency band warning sound and a second frequency band warning sound;
the frequency range of the first frequency band warning sound is 200Hz-400 Hz;
the frequency range of the second frequency band warning tone is 1KHz-4 KHz.
Further, the first frequency band warning tone is first content; the second frequency band warning tone is second content.
In a second aspect, an embodiment of the present application provides a warning sound prompting apparatus, where the apparatus is configured at a camera, and the apparatus includes:
the early warning trigger event identification module is used for acquiring an image and determining whether an early warning trigger event exists in the image;
the target alert sound type determination module is used for determining the type of a target alert sound according to the early warning trigger event if the early warning trigger event identification module identifies that the target alert sound type exists; wherein the target alert sound type is one of at least two alert sound types;
and the prompting module is used for prompting the early warning trigger event by adopting the target warning tone type.
In a third aspect, an embodiment of the present application provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements a method for prompting an alert sound according to an embodiment of the present application.
In a fourth aspect, an embodiment of the present application provides an electronic device, which includes a memory, a processor, and a computer program stored on the memory and executable on the processor, where the processor implements the alert sound prompting method according to the embodiment of the present application when executing the computer program.
According to the technical scheme provided by the embodiment of the application, the method is executed by the camera, and comprises the following steps: acquiring an image, and determining whether an early warning trigger event exists in the image; if yes, determining a target warning sound type according to the early warning trigger event; wherein the target alert sound type is one of at least two alert sound types; and prompting the early warning trigger event by adopting the target warning tone type. According to the technical scheme, early warning analysis can be carried out on the real-time condition of the monitoring range through the camera, different warning sound prompting modes are adopted according to different early warning events, and therefore the safety prompting effect on the monitoring range can be improved.
Drawings
Fig. 1 is a flowchart of a warning sound prompting method provided in an embodiment of the present application;
fig. 2 is a schematic diagram illustrating a prompt section division provided in an embodiment of the present application;
FIG. 3 is a schematic diagram of another example of a hint zone partition provided by embodiments of the present application;
fig. 4 is a schematic diagram of a frequency response curve of the speaker provided in the present embodiment;
fig. 5 is a schematic flow chart of a prompting method of a warning sound provided in this embodiment;
FIG. 6 is a schematic structural diagram of a warning sound prompting device provided in an embodiment of the present application;
fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures.
Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the steps as a sequential process, many of the steps can be performed in parallel, concurrently or simultaneously. In addition, the order of the steps may be rearranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figure. The processes may correspond to methods, functions, procedures, subroutines, and the like.
Fig. 1 is a flowchart of a warning sound prompting method provided in an embodiment of the present application, where the present embodiment is applicable to a situation of security monitoring, and the method may be executed by a warning sound prompting apparatus provided in an embodiment of the present application, and the apparatus may be implemented by software and/or hardware, and may be integrated in an electronic device such as a camera.
As shown in fig. 1, the alert sound prompting method includes:
and S110, acquiring an image, and determining whether the image has an early warning trigger event.
The camera can be arranged in a corridor, a community, a scenic spot and other areas, and can be used for security protection, image acquisition and the like.
It will be appreciated that the camera may capture images of a scene in real time, form a video stream, and store locally or send to a server for storage. Thus, the camera can acquire images after being powered on.
In addition, the angle of the camera is generally different from 10 degrees to 45 degrees downwards horizontally, the angle of the camera can be adjusted according to a control instruction, the control instruction can be written in the processor of the camera in advance, and therefore the camera can be controlled to move gradually by the camera.
Whether the image has the early warning triggering event can be determined by identifying whether people, vehicles and other objects exist in the image or not. Since the shooting range of the camera is relatively wide, a part of the region may be set as a warning region, and when it is recognized that a person, a car, or other objects exist in the warning region, it may be determined that an early warning trigger event exists.
S120, if the warning event exists, determining the type of a target warning tone according to the warning triggering event; wherein the target alert tone type is one of at least two alert tone types.
Wherein if the early warning trigger event is identified, a type of alert tone may be determined based on the early warning trigger event. The warning sound types are at least two warning sound types, and different warning sound types can be adopted for prompting according to different early warning triggering events. The advantage of setting up like this can distinguish and remind to when the early warning trigger event that important degree and danger degree are different takes place, adopt appropriate mode to remind. It is understood that at least two of the above may include two, and may be more.
In an actual scene, if an early warning trigger event is detected, the warning sound is directly broadcast, because the broadcast warning sound is mostly human voice, such as 'warning region, please leave as soon as possible', 'water depth danger, attention safety', and 'high danger, do not climb', etc., the low frequency band with the maximum amplitude is distributed between 200Hz-400Hz, according to the frequency response curve of the loudspeaker, the sound pressure level parameter characteristic of the low frequency band loudspeaker is relatively poorer than that of the medium frequency band (1KHz-4KHz), and moreover, the human ear is more sensitive to the medium and high frequency sounds. If the environment is noisy, the warning sound actively emitted by the camera may not be heard by the invading people, vehicles and objects, and the warning and deterrent effects cannot be achieved. Thus, one or more additional alert tone types may be employed, which may be in the mid-range, to be prompted by a sound more readily heard by the human ear. Through such setting, can improve the warning effect of alert sound.
In this scheme, optionally, determining the type of the target alert tone according to the early warning trigger event includes:
determining a position of the target object in the image;
determining a prompt area where the target object is located according to the position;
and determining the target alert sound type according to the prompt region where the target object is located and the predetermined association relationship between the prompt region and the alert sound type.
The position of the target object in the image may be determined by determining the distribution of the pixel points of the target object based on the target object identification of the image. After the location is determined, the cueing area in which the target image is located may be determined. The prompt area can be used for prompting one dangerous event or a plurality of dangerous events. For example, in a scenic spot, if the right side of an image captured by a camera is under the feet of a mountain, the person is easy to climb and get hurt. And the left side is at the edge of the waterfall, personnel need to be reminded of wading dangers. In this case, the cueing areas are set for different hazardous events.
In another case, different prompt areas may be set for a dangerous event. The closer to deep water locations in lake waters, the higher the risk level. Therefore, different indication areas can be set according to the deep water position and the shallow water position from the lake water.
Fig. 2 is a schematic diagram of prompt area division according to an embodiment of the present application. As shown in fig. 2, the upper left area is a warning area (such as a river, a lake, a high place, etc.), the middle area is a warning driving area, and the right and lower areas are warning indication areas. If the intruder moves from the second position to the first position, when the intruder enters the warning driving area, the high-frequency alarm sound is preferably called, the transmission distance and the penetrating effect of the high-frequency alarm sound are guaranteed, and a stronger warning fright and driving effect is achieved; after the broadcast is finished, if the intruder moves back to the second position from the first position, the alarm ring sound is played again, for example, the alarm area is called to leave as soon as possible until the intruder completely leaves.
Fig. 3 is a schematic diagram of another prompt area division provided in the embodiment of the present application. As shown in fig. 3, the upper left area is a warning area (e.g., river, lake, high, etc.), the middle left area is a warning driving area, the middle right area is a warning presentation area, and the right area is a normal area. If the intruder appears in the third position (namely, the normal area) first, the broadcast is not carried out. If the intruder moves from the third position to the second position, when the intruder enters the warning prompting area, the warning sound is directly broadcasted, such as 'warning area, please leave as soon as possible'.
It will be appreciated that if the position and orientation of the camera is fixed, the corresponding division can be made at the sensor photosurface.
On the basis of the above technical solution, optionally, before determining the type of the target alert tone according to the early warning trigger event, the method further includes:
determining priorities of at least two prompt regions in the image;
correspondingly, determining the type of the target warning tone according to the early warning trigger event comprises the following steps:
determining a position of the target object in the image;
determining a prompt area where the target object is located according to the position;
and if the prompt zone in which the target object is located comprises at least two prompt zones, determining the target alert sound type according to the priorities of the at least two prompt zones and the predetermined association relationship between the prompt zones and the alert sound types.
Wherein, the warning area in the above example can be larger than the warning driving area, and the warning driving area is larger than the warning prompting area. In the actual judgment process, whether an intruder exists in the warning area can be preferentially judged, if not, the warning driving area is judged, and if not, the warning prompt area is judged. The advantage that sets up like this carries out priority suggestion to the personnel that the potential safety hazard is the highest, when reaching timely suggestion, can also guarantee the effect to the reasonable supervision of personnel in the whole monitoring range.
Compared with the prior art, the image area can be divided by combining the sensor pixel points of the camera, the area can be divided accurately to each pixel point, and the accuracy of the whole divided area is higher. Moreover, only the front-end camera is required to divide the image area, and the rear-end equipment is not required to be combined. Therefore, the whole solution has the advantages of low total cost, small occupied area and convenient installation and debugging. Besides, people, vehicles and objects can be identified, and different warning sound sources can be played.
Optionally, after determining the priorities of at least two prompt regions in the image, the method further includes:
determining that the area with high priority is a high-alert-level area and the area with low priority is a low-alert-level area;
correspondingly, if the prompt zone where the target object is located includes at least two prompt zones, determining the target alert sound type according to the priorities of the at least two prompt zones and the predetermined association relationship between the prompt zone and the alert sound type, including:
if the prompting area where the target object is located is a high-warning-level area, a high-frequency alarm sound and a warning sound prompting type of circular broadcast are adopted;
and if the prompting area where the target object is located is a low-alert-level area, adopting an alert sound type of alert sound prompting.
For the high-alert-level area, because the area is closer to the hazard source or has higher risk of danger, a means with a greater deterrent effect needs to be adopted to quickly evacuate the target object. Here, the high-frequency warning sound may be a sound similar to a buzzer sound of a police car, or may be a warning sound having a high-frequency voice content. After the high-frequency alarm sound is played, the warning sound prompt can be played, and the high-frequency alarm sound prompt is continuously played in a circulating mode until the target object leaves the high-warning level area. And for the low-alert level area, the alert sound prompting mode can be directly adopted, so that the prompting function is obtained. By means of the arrangement, different warning sound types can be set according to different areas, and the reminding effect is improved.
And S130, prompting the early warning trigger event by adopting the target warning tone type.
When the target warning sound type is determined, the loudspeaker can be driven through the driving signal to prompt corresponding sound.
In this embodiment, optionally, the at least two alert tone types include: a first frequency band warning sound and a second frequency band warning sound;
the frequency range of the first frequency band warning sound is 200Hz-400 Hz;
the frequency range of the second frequency band warning tone is 1KHz-4 KHz.
Fig. 4 is a schematic diagram of a frequency response curve of the speaker provided in this embodiment. As shown in FIG. 4, the sound pressure level of the high frequency warning sound is 96dB in the frequency range of 1KHz to 4KHz, and is higher than 74dB of 200Hz, and the sound pressure level is higher than 22 dB. The sound pressure level of the high-frequency alarm sound is 96dB compared with 90dB of 400Hz within the frequency range of 1KHz to 4KHz, and the sound pressure level is 6 dB. The greater the difference in sound pressure levels, the greater the difference in loudness of the sound.
Wherein, the first frequency band warning sound is first content; the second frequency band warning tone is second content. For example, the division may be made according to the difference of region names. Such as "alert zone please leave as soon as possible", and "high-risk alert zone, no entry", etc.
For the above two examples, the description may be further supplemented here in the priority order. Fig. 5 is a flowchart illustrating a prompting method of a warning tone according to this embodiment. As shown in fig. 5, the camera is powered on and initialized to determine whether the trigger detection unit is triggered. If the warning is triggered, different warning areas are divided, such as a warning driving area and a warning prompting area. And judging whether an intruder enters the warning driving area or not, if the intruder appears in the warning driving area, preferentially calling a high-frequency alarm sound, ensuring the transmission distance and the penetrating effect of the high-frequency alarm sound, and playing stronger warning fright and driving roles. After the high-frequency alarm sound is broadcast, an alarm ring sound is broadcast again, for example, warning area and please leave as soon as possible. And if the intruder does not appear in the warning driving area, judging whether the intruder enters the warning prompting area or not. If the intruder appears in the warning prompting area, the warning sound is directly broadcasted, namely the warning sound with low frequency, such as 'warning area, please leave as soon as possible'. And if no intruder exists in the warning driving area and the warning prompting area, the broadcast is not carried out.
According to the technical scheme provided by the embodiment of the application, the method is executed by the camera, and comprises the following steps: acquiring an image, and determining whether an early warning trigger event exists in the image; if yes, determining a target warning sound type according to the early warning trigger event; wherein the target alert sound type is one of at least two alert sound types; and prompting the early warning trigger event by adopting the target warning tone type. According to the technical scheme, early warning analysis can be carried out on the real-time condition of the monitoring range through the camera, different warning sound prompting modes are adopted according to different early warning events, and therefore the safety prompting effect on the monitoring range can be improved.
On the basis of the above technical solution, optionally, determining whether the image has an early warning trigger event includes:
if the first characteristic and/or the second characteristic exist in the image, determining that an early warning trigger event exists in the image;
correspondingly, determining the type of the target warning tone according to the early warning trigger event comprises the following steps:
if the first characteristic exists in the image, determining that the first warning sound type is a target warning sound type;
and if the second characteristic exists in the image, determining that the second warning sound type is the target warning sound type.
The scheme can be suitable for public places such as tourist attractions, hospitals or stations and the like. The first feature may be a feature that a child is present in the picture and an adult accompanies the child. The second feature may be a feature in which a child is present in the picture and no adult companion is present near the child. If the first feature is present, the first alert tone type may be employed as the target alert tone type. Such as "public places please look good at children". If the second feature is present, the second alert tone type may be employed as the target alert tone type. If the high-frequency alarm sound is adopted, the prompt that children need to look after at the current position is given, so that the personnel are reminded to avoid placing the children in public places independently. It should be understood that this solution is only used as an example for explanation, and other solutions having two features and requiring two kinds of prompting tones for prompting may all adopt the technical solutions provided in the embodiments of the present application.
Fig. 6 is a schematic structural diagram of a warning sound prompting device according to an embodiment of the present application. As shown in fig. 6, the apparatus is provided with a camera, and the apparatus includes:
the early warning trigger event recognition module 610 is configured to acquire an image and determine whether an early warning trigger event exists in the image;
a target alert tone type determining module 620, configured to determine a target alert tone type according to the early warning trigger event if the early warning trigger event identifying module 610 identifies that the target alert tone type exists; wherein the target alert sound type is one of at least two alert sound types;
a prompt module 630, configured to prompt the early warning trigger event according to the target alert tone type.
The product can execute the method provided by the embodiment of the application, and has the corresponding functional modules and beneficial effects of the execution method.
Embodiments of the present application also provide a storage medium containing computer-executable instructions, which when executed by a computer processor, perform a method for alerting a warning tone, the method comprising:
acquiring an image, and determining whether an early warning trigger event exists in the image;
if yes, determining a target warning sound type according to the early warning trigger event; wherein the target alert sound type is one of at least two alert sound types;
and prompting the early warning trigger event by adopting the target warning tone type.
Storage medium-any of various types of memory electronics or storage electronics. The term "storage medium" is intended to include: mounting media such as CD-ROM, floppy disk, or tape devices; computer system memory or random access memory such as DRAM, DDR RAM, SRAM, EDO RAM, Lanbas (Rambus) RAM, etc.; non-volatile memory such as flash memory, magnetic media (e.g., hard disk or optical storage); registers or other similar types of memory elements, etc. The storage medium may also include other types of memory or combinations thereof. In addition, the storage medium may be located in the computer system in which the program is executed, or may be located in a different second computer system connected to the computer system through a network (such as the internet). The second computer system may provide the program instructions to the computer for execution. The term "storage medium" may include two or more storage media that may reside in different unknowns (e.g., in different computer systems connected by a network). The storage medium may store program instructions (e.g., embodied as a computer program) that are executable by one or more processors.
Of course, the storage medium provided in the embodiments of the present application contains computer-executable instructions, and the computer-executable instructions are not limited to the alert sound prompting operation described above, and may also perform related operations in the alert sound prompting method provided in any embodiments of the present application.
The embodiment of the application provides electronic equipment, and a warning sound prompting device provided by the embodiment of the application can be integrated in the electronic equipment. Fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the present application. As shown in fig. 7, the present embodiment provides an electronic device 700, which includes: one or more processors 720; the storage device 710 is configured to store one or more programs, and when the one or more programs are executed by the one or more processors 720, the one or more processors 720 implement the alert sound prompting method provided in the embodiment of the present application, the method includes:
acquiring an image, and determining whether an early warning trigger event exists in the image;
if yes, determining a target warning sound type according to the early warning trigger event; wherein the target alert sound type is one of at least two alert sound types;
and prompting the early warning trigger event by adopting the target warning tone type.
Of course, those skilled in the art can understand that the processor 720 also implements the technical solution of the alert tone prompting method provided in any embodiment of the present application.
The electronic device 700 shown in fig. 7 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present application.
As shown in fig. 7, the electronic device 700 includes a processor 720, a storage 710, an input 730, and an output 740; the number of the processors 720 in the electronic device may be one or more, and one processor 720 is taken as an example in fig. 7; the processor 720, the storage device 710, the input device 730, and the output device 740 in the electronic apparatus may be connected by a bus or other means, and are exemplified by a bus 750 in fig. 7.
The storage device 710 is a computer-readable storage medium, and can be used to store software programs, computer-executable programs, and module units, such as program instructions corresponding to the alert sound prompting method in the embodiment of the present application.
The storage device 710 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal, and the like. Further, the storage 710 may include high speed random access memory and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, storage 710 may further include memory located remotely from processor 720, which may be connected via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input device 730 may be used to receive input numbers, character information, or voice information, and to generate key signal inputs related to user settings and function control of the electronic apparatus. The output device 740 may include a display screen, a speaker, and other electronic devices.
The electronic equipment provided by the embodiment of the application can realize the effects of real-time monitoring and prompting.
The alert sound prompting device, the storage medium and the electronic device provided in the above embodiments may execute the alert sound prompting method provided in any embodiment of the present application, and have corresponding functional modules and beneficial effects for executing the method. For technical details that are not described in detail in the above embodiments, reference may be made to a method for prompting an alert tone provided in any embodiment of the present application.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present application and the technical principles employed. It will be understood by those skilled in the art that the present application is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the application. Therefore, although the present application has been described in more detail with reference to the above embodiments, the present application is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present application, and the scope of the present application is determined by the scope of the appended claims.
Claims (10)
1. A warning sound prompting method is characterized in that the method is executed by a camera, and the method comprises the following steps:
acquiring an image, and determining whether an early warning trigger event exists in the image;
if yes, determining a target warning sound type according to the early warning trigger event; wherein the target alert sound type is one of at least two alert sound types;
and prompting the early warning trigger event by adopting the target warning tone type.
2. The method of claim 1, wherein the determining whether the image has an early warning trigger event comprises:
identifying whether a target object exists in at least two prompt regions in the image; wherein the at least two prompt regions are pre-partitioned;
and if so, determining that the image has an early warning trigger event.
3. The method of claim 2, wherein determining a target alert tone type based on the early warning trigger event comprises:
determining a position of the target object in the image;
determining a prompt area where the target object is located according to the position;
and determining the target alert sound type according to the prompt region where the target object is located and the predetermined association relationship between the prompt region and the alert sound type.
4. The method of claim 3, wherein prior to determining a target alert tone type based on the early warning trigger event, the method further comprises:
determining priorities of at least two prompt regions in the image;
correspondingly, determining the type of the target warning tone according to the early warning trigger event comprises the following steps:
determining a position of the target object in the image;
determining a prompt area where the target object is located according to the position;
and if the prompt zone in which the target object is located comprises at least two prompt zones, determining the target alert sound type according to the priorities of the at least two prompt zones and the predetermined association relationship between the prompt zones and the alert sound types.
5. The method of claim 4, wherein after determining the priority of at least two hinting areas in the image, the method further comprises:
determining that the area with high priority is a high-alert-level area and the area with low priority is a low-alert-level area;
correspondingly, if the prompt zone where the target object is located includes at least two prompt zones, determining the target alert sound type according to the priorities of the at least two prompt zones and the predetermined association relationship between the prompt zone and the alert sound type, including:
if the prompting area where the target object is located is a high-warning-level area, a high-frequency alarm sound and a warning sound prompting type of circular broadcast are adopted;
and if the prompting area where the target object is located is a low-alert-level area, adopting an alert sound type of alert sound prompting.
6. The method of claim 1, wherein determining whether the image has an early warning trigger event comprises:
if the first characteristic and/or the second characteristic exist in the image, determining that an early warning trigger event exists in the image;
correspondingly, determining the type of the target warning tone according to the early warning trigger event comprises the following steps:
if the first characteristic exists in the image, determining that the first warning sound type is a target warning sound type;
and if the second characteristic exists in the image, determining that the second warning sound type is the target warning sound type.
7. The method according to any one of claims 1-6, wherein the at least two alert tone types comprise: a first frequency band warning sound and a second frequency band warning sound;
the frequency range of the first frequency band warning sound is 200Hz-400 Hz;
the frequency range of the second frequency band warning tone is 1KHz-4 KHz.
8. A warning sound prompting device, which is configured on a camera, the device comprising:
the early warning trigger event identification module is used for acquiring an image and determining whether an early warning trigger event exists in the image;
the target alert sound type determination module is used for determining the type of a target alert sound according to the early warning trigger event if the early warning trigger event identification module identifies that the target alert sound type exists; wherein the target alert sound type is one of at least two alert sound types;
and the prompting module is used for prompting the early warning trigger event by adopting the target warning tone type.
9. A computer-readable storage medium on which a computer program is stored, the program, when executed by a processor, implementing the alerting method of an alert tone according to any one of claims 1 to 7.
10. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the alert tone alerting method of any one of claims 1-7 when the computer program is executed by the processor.
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