CN111654664A - High-altitude parabolic detection method and system, computer equipment and storage medium - Google Patents
High-altitude parabolic detection method and system, computer equipment and storage medium Download PDFInfo
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- CN111654664A CN111654664A CN202010381770.0A CN202010381770A CN111654664A CN 111654664 A CN111654664 A CN 111654664A CN 202010381770 A CN202010381770 A CN 202010381770A CN 111654664 A CN111654664 A CN 111654664A
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Abstract
The invention discloses a high-altitude parabolic detection method, a high-altitude parabolic detection system, computer equipment and a storage medium, wherein the method comprises the following steps: calibrating a privacy area to be subjected to high-altitude parabolic detection, and receiving an original video stream acquired by a multi-view camera; carrying out privacy processing on the original video stream according to the privacy area to obtain a privacy video stream; performing real-time algorithm detection on the original video stream to obtain a judgment result of the high-altitude parabola; and sending the real-time preview video stream of the high-altitude parabolic detection to the terminal according to the privacy video stream and the original video stream, thereby solving the problems of low privacy safety degree and high cost in the high-altitude parabolic detection method.
Description
Technical Field
The application relates to the technical field of security monitoring, in particular to a high-altitude parabolic detection method, a high-altitude parabolic detection system, computer equipment and a storage medium.
Background
The high-altitude parabolic motion is called 'pain over the city', the high-altitude parabolic motion destroys the living environment, endangers the life safety of people, infringes the legal rights and interests of people, and the management and treatment relationship of the high-altitude parabolic motion is stable in social security. In the related art, in order to solve the high-altitude parabolic tracing problem, a camera of a security system of a building is mostly used for video monitoring, for example, a camera is directly arranged at a far position of the building to continuously shoot and record video for high-altitude parabolic detection; however, the range that a single camera can shoot is limited, if the building is tall and big, the coverage range is also a problem, the cost input and the difficulty of future analysis are increased by adding the camera, the installation engineering quantity is large, and the actual industrialization of the scheme cannot be realized; meanwhile, when a camera is installed for monitoring, the privacy of a user can be invaded.
Aiming at the problems of low privacy safety degree and high cost in a high-altitude parabolic detection method in the related technology, an effective solution is not provided at present.
Disclosure of Invention
The invention provides a high-altitude parabolic detection method, a high-altitude parabolic detection system, a high-altitude parabolic detection computer device and a high-altitude parabolic detection storage medium, which aim to solve at least the problems in the related art.
According to one aspect of the invention, a high altitude parabola detection method is provided, which is characterized by comprising the following steps:
calibrating a privacy area to be subjected to high-altitude parabolic detection, and receiving an original video stream acquired by a multi-view camera;
carrying out privacy processing on the original video stream according to the privacy area to obtain a privacy video stream; performing real-time algorithm detection on the original video stream to obtain a judgment result of the high-altitude parabola;
and sending the high-altitude parabolic detection real-time preview video stream to a terminal according to the private video stream and the original video stream.
In one embodiment, the sending the live preview video stream to the terminal according to the private video stream and the original video stream includes:
verifying the level authority according to the identity information of the user under the condition of receiving the real-time preview instruction; wherein the level authority comprises a first level authority and a second level authority;
under the condition that the level authority is verified to be the first level authority, the privacy video stream is used as the real-time preview video stream and is sent to the terminal for displaying;
and under the condition that the level authority is verified to be the second level authority, the privacy video stream and the original video stream are used as the real-time preview video stream and are sent to a terminal for displaying.
In one embodiment, after the original video stream is subjected to privacy processing according to the privacy area and a private video stream is obtained, the method further includes:
respectively encrypting the private video stream and the original video stream, and acquiring an encrypted private video stream and an encrypted original video stream;
under the condition that the real-time preview instruction is received and the level authority is verified to be the first level authority, the encrypted privacy video stream is sent to the terminal to be displayed;
and under the condition that the level authority is the second level authority, sending the encrypted private video stream and the encrypted original video stream to the terminal for displaying.
In one embodiment, after performing real-time algorithm detection on the original video stream and obtaining a determination result of a high altitude parabola, the method further includes:
under the condition that the high-altitude parabolic motion exists in the original video stream, acquiring a high-altitude parabolic motion moment, intercepting the original video stream within a preset time range of the high-altitude parabolic motion, and uploading the intercepted original video stream to a server for storage; alternatively, the first and second electrodes may be,
and storing the original video stream at the high-altitude parabolic moment as a detection picture, and transmitting the detection picture to the server for storage.
In one embodiment, after performing real-time algorithm detection on the original video stream and obtaining a determination result of a high altitude parabola, the method further includes:
under the condition that the high-altitude parabolic object exists in the original video stream, acquiring a high-altitude parabolic object position according to the original video stream, and marking the high-altitude parabolic object position on the privacy video stream and the original video stream; wherein the high altitude parabolic position comprises a throw position and a projected landing position.
In one embodiment, after performing real-time algorithm detection on the original video stream and obtaining a determination result of a high altitude parabola, the method further includes:
and under the condition that the high altitude parabola is detected to exist in the original video stream, indicating an alarm device to prompt.
In one embodiment, the performing privacy processing on the original video stream according to the privacy area, and acquiring a private video stream includes:
and under the condition of receiving a privacy calibration instruction sent by the terminal, carrying out video shielding and intelligent mosaic processing on the original video stream, and acquiring the privacy video stream.
According to another aspect of the present invention, there is provided a high altitude parabola detection system, comprising: the system comprises a multi-view camera, a main control device and a terminal; the master control device is respectively connected with the multi-view camera and the terminal;
the main control device calibrates a privacy area to be subjected to high altitude parabolic detection, and receives an original video stream acquired by a multi-view camera;
the master control device carries out privacy processing on the original video stream according to the privacy area to obtain a privacy video stream; the main control device carries out real-time algorithm detection on the original video stream to obtain a judgment result of the high altitude parabola;
and the main control device sends the high-altitude parabolic detection real-time preview video stream to a terminal according to the privacy video stream and the original video stream.
In one embodiment, the system further comprises a server;
the main control device acquires a high-altitude parabolic moment under the condition that the high-altitude parabolic moment exists in the original video stream, intercepts the original video stream within a preset range of the high-altitude parabolic moment, and uploads the intercepted original video stream to the server for storage; alternatively, the first and second electrodes may be,
and the main control device stores the original video stream at the high-altitude parabolic moment as a detection picture, and transmits the detection picture to the server for storage.
In one embodiment, the system further comprises an alarm device; the alarm device is connected with the main control device;
the alarm device is used for prompting when the high-altitude parabola is detected to exist in the original video stream.
By the invention, a high altitude parabola detection method, a high altitude parabola detection system, computer equipment and a storage medium are adopted, wherein the method comprises the following steps: calibrating a privacy area to be subjected to high-altitude parabolic detection, and receiving an original video stream acquired by a multi-view camera; carrying out privacy processing on the original video stream according to the privacy area to obtain a privacy video stream; performing real-time algorithm detection on the original video stream to obtain a judgment result of the high-altitude parabola; and sending the real-time preview video stream of the high-altitude parabolic detection to the terminal according to the privacy video stream and the original video stream, thereby solving the problems of low privacy safety degree and high cost in the high-altitude parabolic detection method.
Drawings
Fig. 1 is a first flowchart of a high altitude parabola detection method according to an embodiment of the invention;
FIG. 2 is a first schematic diagram illustrating a multi-view camera inspection according to an embodiment of the present invention;
FIG. 3 is a second schematic diagram of a multi-view camera inspection according to an embodiment of the invention;
FIG. 4 is a second flowchart of a high altitude parabola detection method according to an embodiment of the present invention;
FIG. 5 is a flow chart of a high altitude parabola detection method according to an embodiment of the invention;
FIG. 6 is a fourth flowchart of a high altitude parabola detection method according to an embodiment of the present invention;
FIG. 7 is a block diagram of a high altitude parabola detection system according to an embodiment of the present invention;
FIG. 8 is a block diagram of a high altitude parabola detection system according to an embodiment of the present invention;
FIG. 9 is a block diagram of a high altitude parabola detection system according to an embodiment of the present invention;
fig. 10 is a block diagram of the inside of a computer apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described and illustrated below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments provided in the present application without any inventive step are within the scope of protection of the present application.
It is obvious that the drawings in the following description are only examples or embodiments of the present application, and that it is also possible for a person skilled in the art to apply the present application to other similar contexts on the basis of these drawings without inventive effort. Moreover, it should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the specification. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of ordinary skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments without conflict.
In this embodiment, a method for detecting a high altitude parabola is provided, and fig. 1 is a first flowchart of a method for detecting a high altitude parabola according to an embodiment of the present invention, as shown in fig. 1, the method includes the following steps:
step S102, a privacy area to be subjected to high-altitude parabolic detection is calibrated, and an original video stream acquired by a multi-view camera is received; fig. 2 is a first schematic diagram of a multi-view camera inspection according to an embodiment of the present invention, and fig. 3 is a second schematic diagram of a multi-view camera inspection according to an embodiment of the present invention, as shown in fig. 2 and 3, the multi-view camera 32 performs real-time stitching on the captured images of the residential floors (170-180 ° viewing angle), wherein the residential floors are directly opposite to the multi-view camera 32.
Step S104, carrying out privacy processing on the original video stream according to the privacy area to obtain a privacy video stream; performing real-time algorithm detection on the original video stream to obtain a judgment result of the high-altitude parabola; when the multi-view camera 32 recognizes the resident floor, the automatic privacy calibration is performed first: logically dividing the region, wherein the right floor is a privacy region; and then, processing the privacy area of the original video stream through a physical channel, such as coding the original video stream.
In addition, high-altitude parabolic detection is performed through another physical channel, for example, two adjacent frames of images in the original data stream are subtracted by a frame difference method, a foreground background is separated, then a space model is established for a high-altitude parabolic detection algorithm, and whether a foreground target is a high-altitude parabolic object is judged in real time according to the space model.
And step S106, sending the real-time preview video stream of the high-altitude parabolic detection to the terminal according to the private video stream and the original video stream, without the need of checking by manually playing back a video by a user.
In the related art, the high-altitude parabolic detection and monitoring are easy to violate the privacy security of residents, but in the embodiment of the invention, through the steps S102 to S106, the original data stream acquired by the multi-view camera 32 is subjected to multi-path processing, aiming at automatic calibration, automatic privacy processing is carried out according to the calibration result through one path of code stream, and high-altitude parabolic detection is carried out through the other path of code stream, so that the effective combined application of intelligent service and privacy security combination is promoted in the novel intelligent community monitoring industry solution; meanwhile, the multi-view camera 32 is used for replacing a plurality of groups of cameras to realize high-altitude parabolic detection, so that construction is more convenient, and cost is effectively reduced, thereby solving the problems of low privacy safety degree and high cost in the high-altitude parabolic detection method.
In an embodiment, a method for detecting a high altitude parabola is provided, and fig. 4 is a second flowchart of a method for detecting a high altitude parabola according to an embodiment of the present invention, as shown in fig. 4, the method further includes the following steps:
step S402, verifying the level authority according to the identity information of the user acquired by the terminal under the condition of receiving the real-time preview instruction; wherein the level authority comprises a first level authority and a second level authority; comparing the identity information with a stored preset user authority setting file so as to determine the level authority of the user; the preset user authority setting file comprises the level authority to which the preset user belongs, after the identity information is received, the identity information is inquired in the preset user authority setting file, and the level authority of the user is determined.
Step S404, under the condition that the level authority is verified to be the first level authority, if the user is a common user, the privacy video stream is used as the real-time preview video stream and is sent to the terminal for displaying; that is, the user can only see the private coded video stream during live preview.
Step S406, when the level authority is verified as the second level authority, it indicates that the user is a high-level user, and the privacy video stream and the original video stream are sent to the terminal as the real-time preview video stream for displaying, so that the user can pre-switch to view the original video stream during real-time preview.
Through the steps S402 to S406, the user privacy authentication design of the multi-path code stream service is realized and the privacy safety degree of the high-altitude parabolic detection method is further improved by verifying the level authority of the user identity information, determining the video stream which can be previewed by the user in real time according to the level authority of the user and proposing the video privacy data encryption management mode for the first time in the aspect of safety evidence obtaining.
In one embodiment, after obtaining the private video stream, the method further comprises the steps of:
step S502, the privacy video stream and the original video stream are respectively encrypted, and an encrypted privacy video stream and an encrypted original video stream are obtained; the encryption of the video stream can be directly encrypted through matrix transform scrambling; or, the compressed video stream may be encrypted by using a modern cryptosystem such as a data Encryption Algorithm (DEA for short), an Advanced Encryption Standard (AES for short), an RSA Encryption Algorithm, and a chaotic cipher; it will be appreciated that the encryption process may be performed by other techniques.
Step S504, under the condition that the real-time preview instruction is received and the level authority is verified to be the first level authority, the encrypted privacy video stream is sent to the terminal to be displayed; and under the condition that the level authority is the second level authority, sending the encrypted private video stream and the encrypted original video stream to the terminal for displaying.
Through the steps S502 to S504, the video stream detected at high altitude is encrypted, so that video leakage caused by illegal authorized access of video information or incomplete video caused by tampering and destruction is avoided, and the privacy security of the high altitude detection method is further improved.
In one embodiment, after obtaining the determination result of the high altitude parabola, the method further comprises the following steps:
step S602, acquiring a high-altitude parabolic moment when detecting that the high-altitude parabolic exists in the original video stream, intercepting the original video stream within a preset time range of the high-altitude parabolic moment, and uploading the intercepted original video stream to a server for storage; or storing the original video stream at the high-altitude parabolic moment as a detection picture, and uploading the detection picture to the server for storage; through step S602, the original video stream with the high-altitude parabolic record detected is subjected to video storage and detail snapshot, so that the user can query and analyze the high-altitude parabolic record after the incident.
In one embodiment, after obtaining the determination result of the high altitude parabola, the method further comprises the following steps:
step S702, under the condition that the high-altitude parabolic object exists in the original video stream, acquiring a high-altitude parabolic object position according to the original video stream, and marking the high-altitude parabolic object position on the privacy video stream and the original video stream; the throwing position and the expected landing position of the high-altitude parabola are calculated and obtained according to the current position height of the high-altitude parabola in the original video stream, so that a user can conveniently master the specific situation of the high-altitude parabola and take countermeasures.
In an embodiment, a high altitude parabola detection method is provided, and fig. 5 is a flowchart three of the high altitude parabola detection method according to the embodiment of the present invention, as shown in fig. 5, the method further includes the following steps:
step S802, when detecting that the high altitude parabola exists in the original video stream, indicating an alarm device to prompt; wherein, the alarm device can be a loudspeaker, an alarm lamp, a display or other acousto-optic devices; the main control device sends an alarm instruction to the alarm device when detecting the high-altitude parabolic object; the alarm device can prompt the user according to the object throwing time and the object throwing position at the high altitude in the alarm indication, so that the user can timely acquire the object throwing condition at the high altitude of the detected residential floor, the crowd can be timely evacuated when the object throwing at the high altitude occurs, and the property or personal safety of residents is effectively prevented from being damaged.
In an embodiment, a high altitude parabola detection method is provided, and fig. 6 is a fourth flowchart of the high altitude parabola detection method according to the embodiment of the present invention, as shown in fig. 6, the method includes the following steps:
step S902, under the condition of receiving the privacy calibration instruction sent by the terminal, performing video shielding and intelligent mosaic processing on the original video stream, and acquiring the privacy video stream; the privacy coding is performed on the privacy area in the original video stream, for example, human body recognition is performed on the original video stream, video blocking or intelligent mosaic processing is performed on the recognized human body automatically, and therefore automatic privacy calibration of the original video stream is achieved.
It should be understood that, although the steps in the flowcharts of fig. 2, 4 to 6 are shown in sequence as indicated by the arrows, the steps are not necessarily performed in sequence as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 2, 4 through 6 may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of performing the sub-steps or stages is not necessarily sequential, but may be performed alternately or alternatingly with other steps or at least some of the sub-steps or stages of other steps.
In the present embodiment, a high altitude parabolic detection system is provided, and fig. 7 is a block diagram of a high altitude parabolic detection system according to an embodiment of the present invention, as shown in fig. 7, the system includes a multi-view camera 32, a main control device 72, and a terminal 74; wherein, the main control device 72 is respectively connected with the multi-view camera 32 and the terminal 74;
the master control device 72 calibrates a privacy area to be subjected to high altitude parabolic detection, and receives an original video stream acquired by the multi-view camera 32;
the main control device 72 performs privacy processing on the original video stream according to the privacy area to obtain a privacy video stream; the main control device 72 performs real-time algorithm detection on the original video stream to obtain a judgment result of the high altitude parabola;
the master control device 72 sends the real-time preview video stream of the high altitude parabolic detection to the terminal 74 according to the private video stream and the original video stream.
Through the above embodiment, the main control device 72 performs multi-path processing on the original data stream acquired by the multi-view camera 32, and the main control device 72 performs automatic privacy processing according to a calibration result through one path of code stream and performs high-altitude parabolic detection through the other path of code stream for automatic calibration, thereby realizing effective combined application of intelligent service and privacy security combination in a novel intelligent community monitoring industry solution; meanwhile, the multi-view camera 32 is used for replacing a plurality of groups of cameras to realize high-altitude parabolic detection, so that construction is more convenient, and cost is effectively reduced, thereby solving the problems of low privacy safety degree and high cost in the high-altitude parabolic detection method.
In one embodiment, the main control device 72 is further configured to verify the level authority according to the identity information of the user in the case of receiving the real-time preview instruction sent by the terminal 74; wherein the level authority comprises a first level authority and a second level authority;
when the level authority is the first level authority, the main control device 72 takes the private video stream as the live preview video stream, and sends the live preview video stream to the terminal 74 for display;
when the level authority is the second level authority, the main control device 72 sends the privacy video stream and the original video stream as the live preview video stream to the terminal 74 for display.
In one embodiment, the master control device 72 is further configured to perform encryption processing on the private video stream and the original video stream, respectively, and obtain an encrypted private video stream and an encrypted original video stream;
the main control device 72 sends the encrypted private video stream to the terminal 74 for display when receiving the real-time preview instruction and verifying that the level authority is the first level authority;
if the level authority is the second level authority, the main control device 72 sends the encrypted private video stream and the encrypted original video stream to the terminal 74 for display.
In one embodiment, a high altitude parabolic detection system is provided, fig. 8 is a block diagram of a high altitude parabolic detection system according to an embodiment of the present invention, as shown in fig. 8, the system further includes a server 82; the master control device 72 is connected to the server 82 via a network.
The main control device 72 acquires a high-altitude parabolic moment when detecting that a high-altitude parabolic exists in the original video stream, intercepts the original video stream within a preset range of the high-altitude parabolic moment, and uploads the intercepted original video stream to the server 82 for storage; alternatively, the master control device 72 saves the original video stream at the high altitude parabolic time as a detected picture, and stores 82 the detected picture in the server.
In one embodiment, the master control device 72 is further configured to, in a case that it is detected that the high altitude parabola exists in the original video stream, obtain a high altitude parabola position from the original video stream, and mark the high altitude parabola position on the private video stream and the original video stream; wherein the high altitude parabolic position comprises a throwing position and a predicted landing position.
In one embodiment, a high altitude parabolic detection system is provided, fig. 9 is a block diagram of a high altitude parabolic detection system according to an embodiment of the present invention, as shown in fig. 9, the system further includes an alarm device 92; the alarm device 92 is connected with the main control device 72;
the alert means 92 is arranged to prompt in case the high altitude parabola is detected to be present in the original video stream.
In one embodiment, the master control device 72 is further configured to perform video occlusion and smart mosaic processing on the original video stream and obtain the private video stream, in case of receiving the privacy calibration instruction sent by the terminal 74.
In one embodiment, a computer device is provided, and the computer device may be a terminal, and fig. 10 is a structural diagram of the inside of the computer device according to the embodiment of the present invention, as shown in fig. 10. The computer device includes a processor, a memory, a network interface, a display screen, and an input device connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement a method of detecting a high altitude parabola. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on the shell of the computer equipment, an external keyboard, a touch pad or a mouse and the like.
Those skilled in the art will appreciate that the architecture shown in fig. 10 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is provided, which includes a memory, a processor, and a computer program stored on the memory and executable on the processor, and the processor executes the computer program to implement the steps of the high altitude parabola detection method provided by the above embodiments.
In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored, which when executed by a processor implements the steps in the high altitude parabolic detection method provided by the above embodiments.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (12)
1. A method for detecting a high altitude parabola, the method comprising:
calibrating a privacy area to be subjected to high-altitude parabolic detection, and receiving an original video stream acquired by a multi-view camera;
carrying out privacy processing on the original video stream according to the privacy area to obtain a privacy video stream; performing real-time algorithm detection on the original video stream to obtain a judgment result of the high-altitude parabola;
and sending the high-altitude parabolic detection real-time preview video stream to a terminal according to the private video stream and the original video stream.
2. The method of claim 1, wherein sending the live preview video stream to the terminal according to the private video stream and the original video stream comprises:
verifying the level authority according to the identity information of the user under the condition of receiving the real-time preview instruction; wherein the level authority comprises a first level authority and a second level authority;
under the condition that the level authority is verified to be the first level authority, the privacy video stream is used as the real-time preview video stream and is sent to the terminal for displaying;
and under the condition that the level authority is verified to be the second level authority, the privacy video stream and the original video stream are used as the real-time preview video stream and are sent to a terminal for displaying.
3. The method of claim 2, wherein after the original video stream is processed in a privacy mode according to the privacy zone and a private video stream is obtained, the method further comprises:
respectively encrypting the private video stream and the original video stream, and acquiring an encrypted private video stream and an encrypted original video stream;
under the condition that the real-time preview instruction is received and the level authority is verified to be the first level authority, the encrypted privacy video stream is sent to the terminal to be displayed;
and under the condition that the level authority is the second level authority, sending the encrypted private video stream and the encrypted original video stream to the terminal for displaying.
4. The method of claim 1, wherein after the real-time algorithmic detection of the original video stream to obtain the high-altitude parabolic decision result, the method further comprises:
under the condition that the high-altitude parabolic motion exists in the original video stream, acquiring a high-altitude parabolic motion moment, intercepting the original video stream within a preset time range of the high-altitude parabolic motion, and uploading the intercepted original video stream to a server for storage; alternatively, the first and second electrodes may be,
and storing the original video stream at the high-altitude parabolic moment as a detection picture, and transmitting the detection picture to the server for storage.
5. The method of claim 1, wherein after the real-time algorithmic detection of the original video stream to obtain the high-altitude parabolic decision result, the method further comprises:
under the condition that the high-altitude parabolic object exists in the original video stream, acquiring a high-altitude parabolic object position according to the original video stream, and marking the high-altitude parabolic object position on the privacy video stream and the original video stream; wherein the high altitude parabolic position comprises a throw position and a projected landing position.
6. The method of claim 1, wherein after the real-time algorithmic detection of the original video stream to obtain the high-altitude parabolic decision result, the method further comprises:
and under the condition that the high altitude parabola is detected to exist in the original video stream, indicating an alarm device to prompt.
7. The method of claim 1, wherein the privacy processing the original video stream according to the privacy zone, and obtaining a private video stream comprises:
and under the condition of receiving a privacy calibration instruction sent by the terminal, carrying out video shielding and intelligent mosaic processing on the original video stream, and acquiring the privacy video stream.
8. A detection system for high altitude parabolas, the system comprising: the system comprises a multi-view camera, a main control device and a terminal; the master control device is respectively connected with the multi-view camera and the terminal;
the main control device calibrates a privacy area to be subjected to high altitude parabolic detection, and receives an original video stream acquired by a multi-view camera;
the master control device carries out privacy processing on the original video stream according to the privacy area to obtain a privacy video stream; the main control device carries out real-time algorithm detection on the original video stream to obtain a judgment result of the high altitude parabola;
and the main control device sends the high-altitude parabolic detection real-time preview video stream to a terminal according to the privacy video stream and the original video stream.
9. The system of claim 8, further comprising a server;
the main control device acquires a high-altitude parabolic moment under the condition that the high-altitude parabolic moment exists in the original video stream, intercepts the original video stream within a preset range of the high-altitude parabolic moment, and uploads the intercepted original video stream to the server for storage; alternatively, the first and second electrodes may be,
and the main control device stores the original video stream at the high-altitude parabolic moment as a detection picture, and transmits the detection picture to the server for storage.
10. The system of claim 8, further comprising an alarm device; the alarm device is connected with the main control device;
the alarm device is used for prompting when the high-altitude parabola is detected to exist in the original video stream.
11. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the steps of the method of any of claims 1 to 7 are implemented when the computer program is executed by the processor.
12. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 7.
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