CN110826511B - Children house congestion detection system and method - Google Patents
Children house congestion detection system and method Download PDFInfo
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- CN110826511B CN110826511B CN201911102214.9A CN201911102214A CN110826511B CN 110826511 B CN110826511 B CN 110826511B CN 201911102214 A CN201911102214 A CN 201911102214A CN 110826511 B CN110826511 B CN 110826511B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/52—Surveillance or monitoring of activities, e.g. for recognising suspicious objects
- G06V20/53—Recognition of crowd images, e.g. recognition of crowd congestion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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Abstract
The invention relates to a children house congestion detection system, comprising: the vehicle body driving device is arranged on the measuring vehicle body and sends out a driving stopping instruction when a house central mark is detected to be arranged right below the vehicle body; the direct-current brushless motor is used for determining whether to continuously provide power for a driving wheel of the vehicle body based on the received instruction; the signal capturing device is used for performing time-sharing multi-view image capturing on the house where the signal capturing device is located when receiving the driving stopping instruction so as to obtain a plurality of view captured images; and the data splicing device splices the image contents of the plurality of view angle capture images to obtain a content splicing image. The invention also relates to a method for detecting the house congestion of the children. The system and the method for detecting the children house congestion are simple in structure, convenient and practical. Whether the house objects are placed too much can be judged according to the number of the non-wall pixel points in the customized image, so that the house congestion state can be reliably judged effectively.
Description
Technical Field
The invention relates to the field of child care, in particular to a system and a method for detecting house congestion of children.
Background
Automatic control means that a certain operating state or parameter of a machine, equipment or production process is automatically operated according to a predetermined rule by an external device or apparatus without direct human involvement. Automatic control is in contrast to manual control concepts.
The research of the automatic control technology is beneficial to freeing human from complex, dangerous and fussy working environment and greatly improving the control efficiency. Automatic control is a branch of engineering science. It involves automatic influence on the dynamic system using feedback principles to bring the output value close to what we want. From a process point of view, it is based on mathematical system theory. What we call automatic control today is a branch of the theory of control that arose in the middle of the twentieth century. The underlying conclusions are presented by norbert wiener, ludaff kalman.
Disclosure of Invention
In order to solve the related technical problems in the related field, the invention provides a children house congestion detection system and a method, which can identify whether each pixel point in a customized image is a wall pixel point or a non-wall pixel point based on the distribution range of wall brightness values, and determine that the current house is in a congestion state when the area occupied by the non-wall pixel points in the customized image is greater than or equal to a preset percentage threshold; wherein the house center mark is also introduced to perform detection of a house congestion state when presence of the house center mark is detected directly below the moving measuring car body, thereby improving accuracy of the detection data.
According to an aspect of the present invention, there is provided a child house congestion detection system, the system comprising:
the vehicle body driving device is arranged on the measuring vehicle body and used for sending a driving stopping instruction when a house central mark is detected to exist under the vehicle body, and otherwise, sending a driving continuing instruction;
the direct current brushless motor is connected with the vehicle body driving equipment and used for determining whether to continuously provide power for a driving wheel of the vehicle body based on the received instruction;
the signal capturing device is arranged on the measuring vehicle body, connected with the vehicle body driving device and used for performing time-sharing multi-view image capturing on the house where the signal capturing device is located when the driving stopping instruction is received so as to obtain a plurality of view captured images;
the data splicing device is connected with the signal capturing device and is used for splicing the image contents of the plurality of view angle capturing images to obtain a content splicing image;
the signal capturing device further comprises smoothing and voltage stabilizing units which are respectively connected with imaging units in the signal capturing device, and the imaging units are used for performing photoelectric conversion of images;
the signal capturing device is used for controlling the smooth voltage stabilizing unit corresponding to the imaging unit to enter a working mode from a sleep mode when the output signal of one imaging unit is detected to be suddenly changed so as to realize the smooth voltage stabilizing processing of the output signal of the imaging unit;
the signal capturing device is also used for controlling the smooth voltage stabilizing unit corresponding to the imaging unit to enter the sleep mode from the working mode when the output signal of one imaging unit is not subjected to sudden change;
the signal capturing device further comprises signal detection units, each signal detection unit is connected with one imaging unit;
the pixel identification equipment is connected with the data splicing equipment and used for identifying whether each pixel point in the content spliced image is a wall pixel point or a non-wall pixel point based on the distribution range of the brightness value of the wall;
and the quantity analysis equipment is connected with the pixel identification equipment and is used for sending a house congestion signal when the area occupied by the non-wall pixel points in the content splicing image is greater than or equal to a preset percentage threshold value.
According to another aspect of the present invention, there is also provided a children's house congestion detection method, the method including:
using a vehicle body driving device which is arranged on the measuring vehicle body and used for sending a driving stopping instruction when detecting that a house central mark exists under the vehicle body, or sending a driving continuing instruction if the house central mark does not exist under the vehicle body;
the direct-current brushless motor is connected with the vehicle body driving equipment and used for determining whether to continuously provide power for the driving wheels of the vehicle body based on the received instruction;
the signal capturing device is arranged on the measuring vehicle body, connected with the vehicle body driving device and used for performing time-sharing multi-view image capturing on the house where the signal capturing device is located when the driving stopping instruction is received so as to obtain a plurality of view captured images;
using a data stitching device connected with the signal capturing device and used for stitching the image contents of the plurality of view angle capturing images to obtain a content stitching image;
the signal capturing device further comprises smoothing and voltage stabilizing units which are respectively connected with imaging units in the signal capturing device, and the imaging units are used for performing photoelectric conversion of images;
the signal capturing device is used for controlling the smooth voltage stabilizing unit corresponding to the imaging unit to enter a working mode from a sleep mode when the output signal of one imaging unit is detected to be suddenly changed so as to realize the smooth voltage stabilizing processing of the output signal of the imaging unit;
the signal capturing device is also used for controlling the smooth voltage stabilizing unit corresponding to the imaging unit to enter the sleep mode from the working mode when the output signal of one imaging unit is not subjected to sudden change;
the signal capturing device further comprises signal detection units, each signal detection unit is connected with one imaging unit;
using pixel identification equipment, connecting with the data splicing equipment, and identifying whether each pixel point in the content spliced image is a wall pixel point or a non-wall pixel point based on the distribution range of the wall brightness value;
and using a quantity analysis device connected with the pixel identification device and used for sending a house congestion signal when the occupied area of the non-wall pixel points in the content splicing image is greater than or equal to a preset percentage threshold value.
The system and the method for detecting the children house congestion are simple in structure, convenient and practical. Whether the house objects are placed too much can be judged according to the number of the non-wall pixel points in the customized image, so that the house congestion state can be reliably judged effectively.
Therefore, the invention needs to have the following key points:
(1) identifying whether each pixel point in the customized image is a wall pixel point or a non-wall pixel point based on the distribution range of the wall brightness value, and determining that the current house is in a crowded state when the area occupied by the non-wall pixel points in the customized image is greater than or equal to a preset percentage threshold;
(2) the house center mark is introduced to perform detection of a house congestion state when presence of the house center mark is detected directly below the moving measuring car body, thereby improving accuracy of detection data.
Detailed Description
Embodiments of the child house congestion detection system and method of the present invention will be described in detail below.
A direct current motor is a rotating electrical machine that can convert direct current electrical energy into mechanical energy (a direct current motor) or convert mechanical energy into direct current electrical energy (a direct current generator). The motor can realize the mutual conversion of direct current electric energy and mechanical energy. When the motor is used as a motor, the motor is a direct current motor and converts electric energy into mechanical energy; when the generator is operated, the generator is a direct current generator and converts mechanical energy into electric energy.
The structure of the direct current motor is composed of a stator and a rotor. The stationary part of the DC motor is called stator, the main function of the stator is to generate magnetic field, and the stator is composed of a base, a main magnetic pole, a commutating pole, an end cover, a bearing, a brush device and the like. The part rotating during operation is called a rotor, mainly used for generating electromagnetic torque and inducing electromotive force, and is a pivot for energy conversion of a direct current motor, so the part is also called an armature and comprises a rotating shaft, an armature iron core, an armature winding, a commutator, a fan and the like.
In the prior art, when people arrange house objects, effective data is lacked for reference, so that the objects are arranged spontaneously and blindly, limited space of a house is wasted due to too few object arrangements, and more seriously, the house is too crowded due to too many object arrangements, and normal work and life of people are influenced.
In order to overcome the defects, the invention builds a system and a method for detecting the house congestion of the children, and can effectively solve the corresponding technical problems.
A child house congestion detection system according to an embodiment of the present invention is shown comprising:
the vehicle body driving device is arranged on the measuring vehicle body and used for sending a driving stopping instruction when a house central mark is detected to exist under the vehicle body, and otherwise, sending a driving continuing instruction;
the direct current brushless motor is connected with the vehicle body driving equipment and used for determining whether to continuously provide power for a driving wheel of the vehicle body based on the received instruction;
the signal capturing device is arranged on the measuring vehicle body, connected with the vehicle body driving device and used for performing time-sharing multi-view image capturing on the house where the signal capturing device is located when the driving stopping instruction is received so as to obtain a plurality of view captured images;
the data splicing device is connected with the signal capturing device and is used for splicing the image contents of the plurality of view angle capturing images to obtain a content splicing image;
the signal capturing device further comprises smoothing and voltage stabilizing units which are respectively connected with imaging units in the signal capturing device, and the imaging units are used for performing photoelectric conversion of images;
the signal capturing device is used for controlling the smooth voltage stabilizing unit corresponding to the imaging unit to enter a working mode from a sleep mode when the output signal of one imaging unit is detected to be suddenly changed so as to realize the smooth voltage stabilizing processing of the output signal of the imaging unit;
the signal capturing device is also used for controlling the smooth voltage stabilizing unit corresponding to the imaging unit to enter the sleep mode from the working mode when the output signal of one imaging unit is not subjected to sudden change;
the signal capturing device further comprises signal detection units, each signal detection unit is connected with one imaging unit;
the pixel identification equipment is connected with the data splicing equipment and used for identifying whether each pixel point in the content spliced image is a wall pixel point or a non-wall pixel point based on the distribution range of the brightness value of the wall;
the quantity analysis equipment is connected with the pixel identification equipment and is used for sending a house congestion signal when the area occupied by the non-wall pixel points in the content splicing image is larger than or equal to a preset percentage threshold value;
the quantity analysis equipment is further used for sending a house loose signal when the area occupied by the non-wall pixel points in the content splicing image is smaller than the preset percentage threshold value;
the house center mark is provided with a pattern with a preset shape and used for marking the position of the house center mark as a house center position;
wherein the vehicle body driving device includes a visual inspection device for performing visual inspection of a pattern shape facing directly below the vehicle body.
Next, a specific configuration of the child house congestion detection system of the present invention will be further described.
The children house congestion detection system further comprises:
the flash lamp controller is positioned on one side of the signal capturing device and used for controlling the on-off of the flash lamp based on the real-time environment brightness;
wherein controlling the flash to turn on and off based on the real-time ambient brightness comprises: and when the real-time environment brightness is less than or equal to the preset brightness threshold value, the flash lamp is turned on.
In the children's house congestion detecting system:
the flash controller controlling the flash to be turned on and off based on the real-time ambient brightness includes: and when the real-time environment brightness is greater than the preset brightness threshold value, the flash lamp is turned off.
In the children's house congestion detecting system:
the flash controller controlling the flash to be turned on and off based on the real-time ambient brightness includes: and when the real-time environment brightness is less than or equal to the preset brightness threshold, turning on the flash lamp and adjusting the flash brightness of the flash lamp according to the real-time environment brightness, wherein the lower the real-time environment brightness is, the higher the flash brightness of the flash lamp is.
The children house congestion detection system further comprises:
and the GPS positioning device is arranged at one side of the signal acquisition device and is used for providing the current GPS position of the signal acquisition device.
The method for detecting the house congestion of the children according to the embodiment of the invention comprises the following steps:
using a vehicle body driving device which is arranged on the measuring vehicle body and used for sending a driving stopping instruction when detecting that a house central mark exists under the vehicle body, or sending a driving continuing instruction if the house central mark does not exist under the vehicle body;
the direct-current brushless motor is connected with the vehicle body driving equipment and used for determining whether to continuously provide power for the driving wheels of the vehicle body based on the received instruction;
the signal capturing device is arranged on the measuring vehicle body, connected with the vehicle body driving device and used for performing time-sharing multi-view image capturing on the house where the signal capturing device is located when the driving stopping instruction is received so as to obtain a plurality of view captured images;
using a data stitching device connected with the signal capturing device and used for stitching the image contents of the plurality of view angle capturing images to obtain a content stitching image;
the signal capturing device further comprises smoothing and voltage stabilizing units which are respectively connected with imaging units in the signal capturing device, and the imaging units are used for performing photoelectric conversion of images;
the signal capturing device is used for controlling the smooth voltage stabilizing unit corresponding to the imaging unit to enter a working mode from a sleep mode when the output signal of one imaging unit is detected to be suddenly changed so as to realize the smooth voltage stabilizing processing of the output signal of the imaging unit;
the signal capturing device is also used for controlling the smooth voltage stabilizing unit corresponding to the imaging unit to enter the sleep mode from the working mode when the output signal of one imaging unit is not subjected to sudden change;
the signal capturing device further comprises signal detection units, each signal detection unit is connected with one imaging unit;
using pixel identification equipment, connecting with the data splicing equipment, and identifying whether each pixel point in the content spliced image is a wall pixel point or a non-wall pixel point based on the distribution range of the wall brightness value;
the using quantity analysis equipment is connected with the pixel identification equipment and is used for sending a house congestion signal when the area occupied by the non-wall pixel points in the content splicing image is larger than or equal to a preset percentage threshold value;
the quantity analysis equipment is further used for sending a house loose signal when the area occupied by the non-wall pixel points in the content splicing image is smaller than the preset percentage threshold value;
the house center mark is provided with a pattern with a preset shape and used for marking the position of the house center mark as a house center position;
wherein the vehicle body driving device includes a visual inspection device for performing visual inspection of a pattern shape facing directly below the vehicle body.
Next, the specific steps of the child house congestion detection method of the present invention will be further described.
The children house congestion detection method may further include:
using a flash lamp controller, located at one side of the signal capturing device, for controlling the on-off of the flash lamp based on the real-time environment brightness;
wherein controlling the flash to turn on and off based on the real-time ambient brightness comprises: and when the real-time environment brightness is less than or equal to the preset brightness threshold value, the flash lamp is turned on.
The children house congestion detection method comprises the following steps:
the flash controller controlling the flash to be turned on and off based on the real-time ambient brightness includes: and when the real-time environment brightness is greater than the preset brightness threshold value, the flash lamp is turned off.
The children house congestion detection method comprises the following steps:
the flash controller controlling the flash to be turned on and off based on the real-time ambient brightness includes: and when the real-time environment brightness is less than or equal to the preset brightness threshold, turning on the flash lamp and adjusting the flash brightness of the flash lamp according to the real-time environment brightness, wherein the lower the real-time environment brightness is, the higher the flash brightness of the flash lamp is.
In the method for detecting the house congestion of the children, the method further comprises the following steps:
the GPS positioning device is used and arranged at one side of the signal acquisition device and used for providing the current GPS position of the signal acquisition device.
In addition, GPS is an abbreviation of Global Positioning System (GPS). GPS started in 1958 a project by the U.S. military, which was put into use in 1964. In the 70 s of the 20 th century, a new generation of satellite positioning system GPS was developed by the United states army, navy, air and the military. The main purpose is to provide real-time, all-weather and global navigation service for three fields of land, sea and air, and is used for some military purposes such as information collection, nuclear explosion monitoring and emergency communication, and through more than 20 years of research and experiment, the satellite constellation of 24 GPS with the global coverage rate as high as 98% is laid out in 300 hundred million dollars, and 1994.
A system for positioning and navigating in real time in the global range by using a GPS positioning satellite is called a global satellite positioning system, which is called GPS for short. The GPS is a satellite navigation system which is developed and established by the American national defense department and has all-round, all-weather, all-time and high-precision, can provide navigation information such as low-cost and high-precision three-dimensional position, speed, precise timing and the like for global users, is an application model of a satellite communication technology in the navigation field, greatly improves the informatization level of the global society, and powerfully promotes the development of digital economy.
Finally, it should be noted that each functional device in the embodiments of the present invention may be integrated into one processing device, or each device may exist alone physically, or two or more devices may be integrated into one device.
The functions, if implemented in the form of software-enabled devices and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A child house congestion detection system, the system comprising:
the vehicle body driving device is arranged on the measuring vehicle body and used for sending a driving stopping instruction when a house central mark is detected to exist under the vehicle body, and otherwise, sending a driving continuing instruction;
the direct current brushless motor is connected with the vehicle body driving equipment and used for determining whether to continuously provide power for a driving wheel of the vehicle body based on the received instruction;
the signal capturing device is arranged on the measuring vehicle body, connected with the vehicle body driving device and used for performing time-sharing multi-view image capturing on the house where the signal capturing device is located when the driving stopping instruction is received so as to obtain a plurality of view captured images;
the data splicing device is connected with the signal capturing device and is used for splicing the image contents of the plurality of view angle capturing images to obtain a content splicing image;
the signal capturing device further comprises smoothing and voltage stabilizing units which are respectively connected with imaging units in the signal capturing device, and the imaging units are used for performing photoelectric conversion of images;
the signal capturing device is used for controlling the smooth voltage stabilizing unit corresponding to the imaging unit to enter a working mode from a sleep mode when the output signal of one imaging unit is detected to be suddenly changed so as to realize the smooth voltage stabilizing processing of the output signal of the imaging unit;
the signal capturing device is also used for controlling the smooth voltage stabilizing unit corresponding to the imaging unit to enter the sleep mode from the working mode when the output signal of one imaging unit is not subjected to sudden change;
the signal capturing device further comprises signal detection units, each signal detection unit is connected with one imaging unit;
the pixel identification equipment is connected with the data splicing equipment and used for identifying whether each pixel point in the content spliced image is a wall pixel point or a non-wall pixel point based on the distribution range of the brightness value of the wall;
the quantity analysis equipment is connected with the pixel identification equipment and is used for sending a house congestion signal when the area occupied by the non-wall pixel points in the content splicing image is larger than or equal to a preset percentage threshold value;
the quantity analysis equipment is further used for sending a house loose signal when the area occupied by the non-wall pixel points in the content splicing image is smaller than the preset percentage threshold value;
the house center mark is provided with a pattern with a preset shape and used for marking the position of the house center mark as a house center position;
wherein the vehicle body driving device includes a visual inspection device for performing visual inspection of a pattern shape facing directly below the vehicle body.
2. The child house congestion detection system of claim 1, wherein the system further comprises:
the flash lamp controller is positioned on one side of the signal capturing device and used for controlling the on-off of the flash lamp based on the real-time environment brightness;
wherein controlling the flash to turn on and off based on the real-time ambient brightness comprises: and when the real-time environment brightness is less than or equal to the preset brightness threshold value, the flash lamp is turned on.
3. The child house congestion detection system of claim 2, wherein:
the flash controller controlling the flash to be turned on and off based on the real-time ambient brightness includes: and when the real-time environment brightness is greater than the preset brightness threshold value, the flash lamp is turned off.
4. The child house congestion detection system of claim 3, wherein:
the flash controller controlling the flash to be turned on and off based on the real-time ambient brightness includes: and when the real-time environment brightness is less than or equal to the preset brightness threshold, turning on the flash lamp and adjusting the flash brightness of the flash lamp according to the real-time environment brightness, wherein the lower the real-time environment brightness is, the higher the flash brightness of the flash lamp is.
5. The child house congestion detection system of claim 4, wherein the system further comprises:
and the GPS positioning device is arranged at one side of the signal acquisition device and is used for providing the current GPS position of the signal acquisition device.
6. A method for detecting congestion in a child's premises, the method comprising:
using a vehicle body driving device which is arranged on the measuring vehicle body and used for sending a driving stopping instruction when detecting that a house central mark exists under the vehicle body, or sending a driving continuing instruction if the house central mark does not exist under the vehicle body;
the direct-current brushless motor is connected with the vehicle body driving equipment and used for determining whether to continuously provide power for the driving wheels of the vehicle body based on the received instruction;
the signal capturing device is arranged on the measuring vehicle body, connected with the vehicle body driving device and used for performing time-sharing multi-view image capturing on the house where the signal capturing device is located when the driving stopping instruction is received so as to obtain a plurality of view captured images;
using a data stitching device connected with the signal capturing device and used for stitching the image contents of the plurality of view angle capturing images to obtain a content stitching image;
the signal capturing device further comprises smoothing and voltage stabilizing units which are respectively connected with imaging units in the signal capturing device, and the imaging units are used for performing photoelectric conversion of images;
the signal capturing device is used for controlling the smooth voltage stabilizing unit corresponding to the imaging unit to enter a working mode from a sleep mode when the output signal of one imaging unit is detected to be suddenly changed so as to realize the smooth voltage stabilizing processing of the output signal of the imaging unit;
the signal capturing device is also used for controlling the smooth voltage stabilizing unit corresponding to the imaging unit to enter the sleep mode from the working mode when the output signal of one imaging unit is not subjected to sudden change;
the signal capturing device further comprises signal detection units, each signal detection unit is connected with one imaging unit;
using pixel identification equipment, connecting with the data splicing equipment, and identifying whether each pixel point in the content spliced image is a wall pixel point or a non-wall pixel point based on the distribution range of the wall brightness value;
the using quantity analysis equipment is connected with the pixel identification equipment and is used for sending a house congestion signal when the area occupied by the non-wall pixel points in the content splicing image is larger than or equal to a preset percentage threshold value;
the quantity analysis equipment is further used for sending a house loose signal when the area occupied by the non-wall pixel points in the content splicing image is smaller than the preset percentage threshold value;
the house center mark is provided with a pattern with a preset shape and used for marking the position of the house center mark as a house center position;
wherein the vehicle body driving device includes a visual inspection device for performing visual inspection of a pattern shape facing directly below the vehicle body.
7. The method of detecting children's house congestion of claim 6, the method further comprising:
using a flash lamp controller, located at one side of the signal capturing device, for controlling the on-off of the flash lamp based on the real-time environment brightness;
wherein controlling the flash to turn on and off based on the real-time ambient brightness comprises: and when the real-time environment brightness is less than or equal to the preset brightness threshold value, the flash lamp is turned on.
8. The children's house congestion detection method of claim 7, wherein:
the flash controller controlling the flash to be turned on and off based on the real-time ambient brightness includes: and when the real-time environment brightness is greater than the preset brightness threshold value, the flash lamp is turned off.
9. The children's house congestion detection method of claim 8, wherein:
the flash controller controlling the flash to be turned on and off based on the real-time ambient brightness includes: and when the real-time environment brightness is less than or equal to the preset brightness threshold, turning on the flash lamp and adjusting the flash brightness of the flash lamp according to the real-time environment brightness, wherein the lower the real-time environment brightness is, the higher the flash brightness of the flash lamp is.
10. The method of detecting children's house congestion of claim 9, the method further comprising:
the GPS positioning device is used and arranged at one side of the signal acquisition device and used for providing the current GPS position of the signal acquisition device.
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