WO2013029452A1

WO2013029452A1 - Method, system and mobile terminal for controlling mobile video monitoring

Info

Publication number: WO2013029452A1
Application number: PCT/CN2012/079410
Authority: WO
Inventors: 邓小宁
Original assignee: 中国移动通信集团公司
Priority date: 2011-08-31
Filing date: 2012-07-31
Publication date: 2013-03-07
Also published as: CN102957897B; CN102957897A

Abstract

A method, system and mobile terminal for controlling mobile video monitoring. The method includes: a mobile terminal acquiring a video monitoring picture of a cloud mirror system; detecting location changing information about the mobile terminal by a sensor group, generating a control command according to the location changing information about the mobile terminal, and sending the control command to the cloud mirror system; and adjusting the location thereof according to the control command. Since the control command is generated according to the location changing information about the mobile terminal itself, by way of changing the location of the mobile terminal, a mobile user can control the cloud mirror system, and the direction manipulation of the in-hand mobile terminal by the mobile user is like directly manipulating the camera of the cloud mirror system, which makes it more convenient to control the cloud mirror system.

Description

Control method, system and mobile terminal for mobile video monitoring

This application claims priority to Chinese Patent Application No. 201110255397.5, entitled "Control Method, System and Mobile Terminal for Mobile Video Surveillance", submitted to the Chinese Patent Office on August 31, 2011. The citations are incorporated herein by reference.

Technical field

The present invention relates to the field of mobile communication and video surveillance technologies, and in particular, to a mobile video surveillance control method, system, and mobile terminal.

Background technique

Mobile video surveillance refers to remote control of the cloud mirror system for remote monitoring. The mobile video monitoring system includes a control device and a cloud mirror system, wherein the cloud mirror system includes a pan/tilt controller and a camera, and the control device adjusts the remote monitoring by controlling the position of the pan/tilt controller, for example, controlling the rotation angle of the pan/tilt controller. The field of view.

In a current solution, the control device is a centralized control device of the monitoring center, and the staff of the monitoring center controls the cloud mirror system through the centralized control device. In another current solution, the control device is a mobile terminal, and the mobile user can control the cloud mirror system through the mobile terminal.

At present, in the scheme of controlling the cloud mirror system by using the mobile terminal, the mobile user controls the cloud mirror system by clicking the preset up, down, left, and right buttons on the mobile terminal, and the mobile terminal receives the button operation of the mobile user input. And transmitting, to the cloud mirror system, a corresponding control command for moving up, down, left, and right by a predetermined step, and the cloud mirror system receives the control command, and adjusts the position of the pan/tilt controller according to the control command, thereby adjusting the monitoring range. .

It can be seen that in the current scheme for controlling the cloud mirror system by using the mobile terminal, the mobile terminal can only output the corresponding up, down, left shift, and right shift steps according to the upper, lower, left and right button operations input by the user. The long control command, therefore, requires the user to predetermine which control command is required by the mobile terminal, and what kind of key operation is required according to the control command, and then the key operation can be performed to achieve the purpose of adjusting the monitoring range as expected. It can be seen that the control of the cloud mirror system is not convenient enough.

Summary of the invention

In view of this, the present invention provides a mobile video surveillance control method, system, and mobile terminal. In order to make the control of the cloud mirror system more convenient.

The technical solution of the present invention is specifically implemented as follows:

A method for controlling mobile video surveillance, the method comprising:

The mobile terminal displays a video surveillance screen of the cloud mirror system;

Detecting, by the sensor group, location change information of the mobile terminal, generating a control command according to the location change information of the mobile terminal, and sending the control command to the cloud mirror system;

The cloud mirror system adjusts its position according to the control command.

A control system for mobile video surveillance, the system includes a mobile terminal and a cloud mirror system; the mobile terminal is configured to display a video surveillance screen of the cloud mirror system, and detect a position change information of the mobile terminal by using a sensor group, according to the location Deriving a position change information of the mobile terminal to generate a control command, and sending the control command to the cloud mirror system;

The cloud mirror system is configured to adjust its position according to the control command.

A mobile terminal includes a display module, a sensor group, a command generating unit, and a command sending unit;

The display module is configured to display a video surveillance screen of the cloud mirror system;

The sensor group is configured to detect location change information of the mobile terminal;

The command generating unit is configured to generate a control command according to the location change information of the mobile terminal;

The command sending unit is configured to send the control command to the cloud mirror system.

As can be seen from the above technical solution, in the present invention, the sensor group is used to detect the change of the position of the mobile terminal itself, and the control command is generated according to the position change information of the mobile terminal itself, and the cloud mirror system adjusts its position according to the control command. Since the control command is generated according to the location change information of the mobile terminal itself, the mobile user can control the cloud mirror system by changing the location of the mobile terminal, and the direction manipulation of the mobile terminal in the mobile user opponent is like Direct control of the camera of the cloud mirror system makes the control of the cloud mirror system more convenient.

DRAWINGS

1 is a flow chart of a control method for mobile video monitoring provided by the present invention;

2 is a schematic diagram showing the composition of a control system of a mobile monitoring system provided by the present invention;

3 is a structural diagram of a mobile terminal provided by the present invention; 4 is a timing diagram of a mobile terminal generating a control command.

detailed description

The above described objects, features and advantages of the present invention will become more apparent from the aspects of the appended claims.

The invention makes the control of the cloud mirror system more convenient by improving the generation manner of the control command. 1 is a flow chart of a control method for mobile video monitoring provided by the present invention.

As shown in Figure 1, the method includes:

Step 101: The mobile terminal displays a video surveillance screen of the cloud mirror system.

Step 102: The mobile terminal detects location change information of the mobile terminal by using a sensor group. Step 103: The mobile terminal generates a control command according to the location change information.

Step 104: The mobile terminal sends the control command to the cloud mirror system.

Step 105: The cloud mirror system adjusts its position according to the control command.

In the present invention, the sensor group is used to detect the change in the position of the mobile terminal itself, and the control command is generated based on the position change information of the mobile terminal itself, and the cloud mirror system adjusts its position according to the control command. Since the control command is generated according to the location change information of the mobile terminal itself, the mobile user can control the cloud mirror system by changing the location of the mobile terminal, and the direction manipulation of the mobile terminal in the mobile user opponent is like Direct control of the camera of the cloud mirror system makes the control of the cloud mirror system more convenient.

The mobile terminal may generate any one or more of the following three manners according to the location change information of the mobile terminal:

In the first method, the mobile terminal acquires the initial position of the cloud mirror system, determines the target absolute position information of the cloud mirror system according to the initial position of the cloud mirror system and the position change information of the mobile terminal, and carries the target absolute position information in the control command; Correspondingly, the cloud mirror system adjusts the position of the cloud mirror system to the target absolute position according to the target absolute position information carried in the control command.

In a second mode, the mobile terminal carries the location change information of the mobile terminal in the control command. Correspondingly, the cloud mirror system determines the cloud mirror according to the initial position of the mobile camera and the position change information carried in the control command. The absolute position of the target of the system, the position of the cloud mirror system itself is adjusted to the absolute position of the target.

In mode 2, the cloud mirror system needs to be changed according to its initial position and position in the control command. Information, determine the absolute position of the target, and then adjust its position to the absolute position of the target. In a third mode, the mobile terminal carries the location change information of the mobile terminal in the control command. Correspondingly, the cloud mirror system adjusts the location of the cloud mirror system according to the location change information carried in the control command.

In mode 3, the cloud mirror system does not need to determine the absolute position of the target, but only needs to adjust the relative position based on the current position based on the position change information in the control command.

The position change information may include: a change angle of the deflection angle of the mobile terminal in the horizontal plane, and/or a change angle of the deflection angle in the vertical plane, and/or a change value of the deflection angle in the axial direction.

The target absolute position may include: a deflection angle of the cloud mirror system at a horizontal plane, and/or a deflection angle at a vertical plane, and/or an angle of rotation in the axial direction.

When the cloud mirror system is controlled by the above method provided by the present invention, the mobile user views the monitoring image on the mobile terminal, adjusts the monitoring range of the cloud mirror system by adjusting the position of the mobile terminal, and can greatly facilitate the user to the cloud mirror system. control. However, in some cases, this may also occur: When adjusting the location of the mobile terminal to a certain location, it may be difficult to continue to adjust the location of the mobile terminal. In this case, it is desirable to re-adjust the mobile terminal to The initial position or other convenient location, and keep the position of the cloud mirror system unchanged, and then continue to adjust the position of the cloud mirror system by adjusting the position of the mobile terminal. In response to this situation, the present invention proposes:

In the above method provided by the present invention, the method further includes: the mobile terminal receiving the position adjustment start command and the position adjustment pause command. Accordingly, generating the control command based on the position change information of the mobile terminal may include generating a control command based on the position change information detected between the received position adjustment start command and the position adjustment pause command.

It can be seen that the mobile video monitoring method of the present invention utilizes a sensor group such as an acceleration sensor and a magnetic field sensing sensor in the mobile terminal to acquire position change information of the mobile terminal itself, and generates corresponding control commands according to the position information of the mobile terminal itself for control. The position of the cloud mirror system is adjusted accordingly. A monitoring screen is displayed on the mobile terminal side. Since the mobile terminal can generate a corresponding control command according to the position change information of the mobile terminal, the mobile user can control the position of the cloud mirror system by controlling the position of the mobile terminal, thereby greatly improving the control. Experience, reduce the threshold of cloud mirror system control, ergonomic design, and make the observer's field of view and the camera field of the cloud mirror system change in real time, users can obtain strong immersive virtual reality effects. According to the method shown in FIG. 1, the present invention also provides a corresponding control system and a mobile terminal. For details, please refer to FIG. 2 to FIG. 4.

2 is a schematic diagram of the composition of a control system of a mobile monitoring system provided by the present invention.

As shown in FIG. 2, the monitoring system includes a mobile terminal 201 and a cloud mirror system 202.

The mobile terminal 201 is configured to display a video surveillance screen of the cloud mirror system 202, detect location change information of the mobile terminal by using a sensor group, generate a control command according to the location change information of the mobile terminal, and send the control command to the cloud. Mirror system 202.

The cloud mirror system 202 is configured to adjust its position according to the control command.

The mobile terminal 201 is configured to acquire an initial position of the cloud mirror system 202, determine the target absolute position information of the cloud mirror system 202 according to the initial position of the cloud mirror system 202 and the position change information of the mobile terminal, and carry the target absolute position information in the The control command is sent to the cloud mirror system 202.

The cloud mirror system 202 is configured to adjust the position of the cloud mirror system 202 to the target absolute position according to the target absolute position information carried in the control command.

The mobile terminal 201 is configured to carry location change information of the mobile terminal 201 in the control command.

The cloud mirror system 202 is configured to determine an absolute position of the target of the cloud mirror system 202 according to the initial position of the cloud mirror system 202 itself and the position change information carried in the control command, and the position of the cloud mirror system 202 itself Adjust to the absolute position of the target.

The mobile terminal 201 is configured to carry the location change information of the mobile terminal 201 in the control command.

The cloud mirror system 202 is configured to adjust the position of the cloud mirror system 202 itself according to the position change information carried in the control command.

The mobile terminal 201 is configured to receive a position adjustment start command and a position adjustment pause command, generate a control command according to the position change information detected between the received position adjustment start command and the position adjustment pause command, and send the control command to the cloud Mirror system 202.

FIG. 3 is a structural diagram of a mobile terminal provided by the present invention.

As shown in FIG. 3, the mobile terminal includes a display module 301, a sensor group 302, a command generating unit 303, and a command transmitting unit 304.

The display module 301 is configured to display a video surveillance screen of the cloud mirror system. The sensor group 302 is configured to detect location change information of the mobile terminal.

The command generating unit 303 is configured to generate a control command sending unit 304 according to the position change information of the mobile terminal, and send the control command to the cloud mirror system.

The command generating unit 303 may be configured to acquire an initial position of the cloud mirror system, determine target absolute position information of the cloud mirror system according to the initial position of the cloud mirror system and the position change information of the mobile terminal, and carry the target absolute position information in the control. In the command.

The command generating unit 303 can be configured to carry the location change information of the mobile terminal in the control command.

The mobile terminal can also include a position adjustment activation module.

The position adjustment starting module is configured to receive a position adjustment start command and a position adjustment pause command;

The command generating unit 303 is configured to generate a control command according to the position change information detected by the sensor group between the position adjustment start command and the position adjustment pause command received by the position adjustment starting module.

The position change information may include: a change angle of the deflection angle of the mobile terminal in the horizontal plane, and/or a change angle of the deflection angle in the vertical plane, and/or a change value of the deflection angle in the axial direction. The target absolute position may include: a deflection angle of the cloud mirror system at a horizontal plane, and/or a deflection angle at a vertical plane, and/or an angle of rotation in the axial direction.

It can be seen that the sensor group 302 in the mobile terminal can obtain the angular offset parameter of the current mobile terminal in the sphere coordinate in real time, and the command generating unit 303 continuously acquires these parameters and converts it into a camera angle adjustment command recognizable by the cloud mirror system. The sending unit 304 sends the adjustment command to the cloud mirror system to control the actual angle change of the camera. See Figure 4 for the timing diagram of this process.

4 is a timing diagram of a mobile terminal generating a control command. This timing diagram is merely exemplary and is not intended to limit the invention.

As shown in FIG. 4, the following steps are specifically included: Initialization angle (Χ, Υ, Ζ λ Yt, Zt).

Step 5: The command generating unit calculates the angle change value Delta(X, Y, Z) according to the instantaneous angle obtained this time and the instantaneous angle obtained in the previous time.

Step 6, the command generating unit generates a control command recognizable by the cloud mirror system according to the angle change value Delta(X, Y, Z).

Step 7. The command generation unit passes the generated control command to the command sending unit.

Step 8. The command sending unit sends the control command to the cloud mirror system.

Step 3 - Step 8 is a timed loop process to continuously control the cloud mirror system. It can be seen that with the present invention, the direction manipulation of the mobile terminal in the user's opponent is as convenient as directly controlling the remote camera, and the monitoring experience will be greatly enhanced.

It should be noted that the method, system and mobile terminal provided by the above embodiments of the present invention are applicable to cloud mirror control or similar monitoring system capable of receiving imaging device position or attitude control commands.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalents, improvements, etc., which are made within the spirit and principles of the present invention, should be included in the present invention. Within the scope of protection.

Claims

Rights request

A control method for mobile video surveillance, characterized in that the method comprises:

The cloud mirror system adjusts its position according to the control command.

2. The method according to claim 1, wherein generating a control command according to the location change information of the mobile terminal comprises:

The mobile terminal acquires an initial position of the cloud mirror system, determines an absolute position information of the target of the cloud mirror system according to the initial position of the cloud mirror system and the position change information of the mobile terminal, and carries the target absolute position information in the control command;

Adjusting the position of the cloud mirror system according to the control command includes:

The cloud mirror system adjusts the position of the cloud mirror system to the target absolute position based on the target absolute position information carried in the control command.

The method according to claim 1, wherein the generating the control command according to the location change information of the mobile terminal comprises:

The location change information of the mobile terminal is carried in the control command.

The method according to claim 3, wherein the adjusting the position of the cloud mirror system according to the control command comprises:

The cloud mirror system determines the target absolute position of the cloud mirror system according to its initial position and the position change information carried in the control command, and adjusts the position of the cloud mirror system itself to the target absolute position.

The cloud mirror system adjusts the position of the cloud mirror system itself according to the position change information carried in the control command.

The method according to any one of claims 2 to 5, wherein the position change information comprises: a change angle of a deflection angle of the mobile terminal at a horizontal plane, and/or a change angle of a deflection angle of the vertical plane , and / or the value of the deflection angle in the axial direction.

7. Method according to claim 2 or 4, characterized in that the target absolute position comprises: a deflection angle of the cloud mirror system in the horizontal plane, and/or a deflection angle in the vertical plane, and/or in the axial direction Rotation angle.

The method according to any one of claims 1 to 5, wherein the method further comprises: receiving, by the mobile terminal, a position adjustment start command and a position adjustment suspension command;

The generating the control command according to the position change information of the mobile terminal includes generating a control command based on the position change information detected between the received position adjustment start command and the position adjustment pause command.

9. A control system for mobile video surveillance, characterized in that the system comprises a mobile terminal and a cloud mirror system;

The mobile terminal is configured to display a video surveillance screen of the cloud mirror system, detect location change information of the mobile terminal by using a sensor group, generate a control command according to the location change information of the mobile terminal, and send the control command to the cloud mirror System

10. The system of claim 9 wherein:

The mobile terminal is configured to acquire an initial position of the cloud mirror system, determine an absolute position information of the target of the cloud mirror system according to the initial position of the cloud mirror system and the position change information of the mobile terminal, and carry the target absolute position information in the control command. Issued to the cloud mirror system;

The cloud mirror system is configured to adjust a position of the cloud mirror system to the target absolute position according to target absolute position information carried in the control command.

11. The system of claim 9 wherein:

The mobile terminal is configured to carry location change information of the mobile terminal in the control command;

The cloud mirror system is configured to determine an absolute position of the cloud mirror system according to an initial position of the cloud mirror system itself and position change information carried in the control command, and adjust the position of the cloud mirror system itself to The target absolute position.

12. The system of claim 9 wherein:

The mobile terminal is configured to carry location change information of the mobile terminal in the control command; The cloud mirror system is configured to adjust a position of the cloud mirror system itself according to position change information carried in the control command.

The system according to any one of claims 9 to 12, wherein the mobile terminal is configured to receive a position adjustment start command and a position adjustment pause command, according to the position adjustment start command and position received Adjusting the position change information detected between the pause commands, generating a control command, and sending the control command to the cloud mirror system.

A mobile terminal, comprising: a display module, a sensor group, a command generating unit, and a command sending unit;

15. The mobile terminal of claim 14, wherein

The command generating unit is configured to acquire an initial position of the cloud mirror system, determine an absolute position information of the target of the cloud mirror system according to the initial position of the cloud mirror system and the position change information of the mobile terminal, and carry the target absolute position information in the control In the command.

16. The mobile terminal of claim 14, wherein

The command generating unit is configured to carry location change information of the mobile terminal in the control command.

The mobile terminal according to any one of claims 14 to 16, wherein the mobile terminal further comprises a position adjustment starting module;

The command generating unit is configured to generate a control command according to the position change information detected by the sensor group between the position adjustment start command and the position adjustment pause command received by the position adjustment starting module.