阅读说明：本技术 前方车体预测系统 (Front car body forecasting system ) 是由 梁惠兰 赵晨 于 2018-10-31 设计创作，主要内容包括：本发明涉及一种前方车体预测系统,包括：空调控制主体,包括调节风门、水阀、蒸发器、加热器继电器、风机开关、电位计、伺服电机、水阀开关、放大器、车外温度传感器、车内温度传感器、日照传感器、温度设定手柄和真空箱；光源提取设备,用于将各个待处理区域作为一个整体图案,对整体图案中的各个光源进行提取,以获得其中的各个光源的各个形心位置；车体预测设备,用于基于所述各个光源的各个形心位置匹配出多组光源,每一组光源包括两个形心相近的光源,基于每一组光源中两个光源的两个形心以及两个光源在所述整体图案中的两个景深确定与该组光源对应的车体轮廓。通过本发明,即使在前方强光照明下也能够准确判断出前方车体位置。(The present invention relates to a kind of front car body forecasting systems, it include: airconditioning control main body, including damper, water valve, evaporator, heater relay, fan switch, potentiometer, servo motor, valve switch, amplifier, outside temperature sensor, vehicle interior temperature sensor, sunshine recorder, temperature setting handle and vacuum tank；Light source extract equipment, for extracting, each pending area pattern as a whole to obtain each position of form center of each light source therein to each light source in global pattern；The pre- measurement equipment of car body, multiple sets of light sources is matched for each position of form center based on each light source, every one group of light source includes light source similar in two centroids, and two depth of field of two centroids and two light sources in the global pattern based on two light sources in every one group of light source determine car body profile corresponding with this group of light source.Through the invention, front car body position can be accurately judged under the floodlighting of front.)

1. a kind of front car body forecasting system, which is characterized in that the system comprises:

Airconditioning control main body, including damper, water valve, evaporator, heater relay, fan switch, potentiometer, servo electricity Machine, valve switch, amplifier, outside temperature sensor, vehicle interior temperature sensor, sunshine recorder, temperature setting handle and true Empty van.

2. front car body forecasting system as described in claim 1, it is characterised in that:

In the airconditioning control main body, the output of the setting signal, outside temperature sensor of handle setting is set by temperature The output signal of signal, the output signal of vehicle interior temperature sensor and sunshine recorder is input in the amplifier.

3. front car body forecasting system as claimed in claim 2, it is characterised in that:

In the airconditioning control main body, the amplifier controls the revolution of the servo motor, and the servo motor manipulates institute Damper, the potentiometer, the fan switch and the valve switch are stated to control the temperature in automobile.

4. front car body forecasting system as claimed in claim 3, it is characterised in that:

The sunshine recorder includes photodiode, for solar radiation amount to be converted to voltage signal, the sunshine sensing Device is installed in the top of the instrument board of automobile to receive the irradiation of daylight；

Wherein, the vehicle interior temperature sensor includes ferrite, reed switch and permanent magnet, and the reed switch is in the iron When oxysome temperature is more than setting value, because the ferrite magnetic flux is rapidly reduced and is carried out between closed state and opening state Switching.

5. front car body forecasting system as claimed in claim 4, which is characterized in that the system also includes:

Illuminance sensing equipment is installed in the top of the instrument board of automobile, by photodiode and singlechip group at the light Electric diode generates electric current when receiving light irradiation, and converts electrical current into voltage to be sent to the single-chip microcontroller, the list Piece machine is determining based on the voltage and exports Real-Time Optical illumination；

Car light controls equipment, connect with illuminance sensing equipment and headlight, for receiving the Real-Time Optical illumination, and described When Real-Time Optical illumination is less than or equal to default illuminance threshold value, the headlight is opened；

The car light control equipment is also used to close the vehicle when the Real-Time Optical illumination is greater than the default illuminance threshold value Headlight；

Chinese herbaceous peony picture pick-up device is installed in the top of the instrument board of automobile, for carrying out camera shooting movement towards vehicle front, to obtain It obtains and exports corresponding vehicle front image；

First filter apparatus is installed in the top of the instrument board of automobile, connect with the Chinese herbaceous peony picture pick-up device, for described Vehicle front image executes median filter process, to obtain corresponding first filtering image, and exports the first filtering image；

Filter apparatus again is connect with the first filter apparatus, for when receiving the first filtering image, to described First filtering image executes the processing of field mean filter, to obtain filtering image again；

Pixel analytical equipment is connect with the filter apparatus again, for each of filtering image picture again Vegetarian refreshments carries out the luminance gradient value analysis of all directions, to be more than gradient value threshold value there are the luminance gradient value of a direction When, determine the pixel for variation pixel；

Data statistics equipment is connect with the pixel analytical equipment, for will change pixel quantity in unit image area The image-region to transfinite exports each pending area in the filtering image again as pending area；

Light source extract equipment is connect with the data statistics equipment, is used for each pending area as a whole Pattern extracts each light source in the global pattern, to obtain each position of form center of each light source therein；

The pre- measurement equipment of car body is connect with the light source extract equipment, for each position of form center based on each light source Allot multiple sets of light sources, every one group of light source includes light source similar in two centroids, and two based on two light sources in every one group of light source Two depth of field of centroid and two light sources in the global pattern determine car body profile corresponding with this group of light source；

Overlapping display equipment, is arranged in the instrument board of automobile, connects with the pre- measurement equipment of the car body and the Chinese herbaceous peony picture pick-up device It connects, for receiving the corresponding multiple car body profiles of multiple sets of light sources of the pre- measurement equipment output of the car body and receiving the vapour The multiple car body profile is added on the vehicle front image and shows by front side image.

6. front car body forecasting system as claimed in claim 5, it is characterised in that:

The luminance gradient value analysis that all directions are carried out to the pixel of each of filtering image again includes: to obtain institute The each brightness value for stating the pixel of all directions of neighborhood of pixel points, each pixel based on each direction it is each bright Angle value determines the luminance gradient value of corresponding direction.

7. front car body forecasting system as claimed in claim 6, it is characterised in that:

The numerical value of the data statistics equipment selection unit image area is based on the real-time resolution of the filtering image again, institute The real-time resolution for stating filtering image again is higher, and the numerical value of the data statistics equipment selection unit image area is bigger.

8. front car body forecasting system as claimed in claim 7, it is characterised in that:

The pixel analytical equipment includes image receiving unit, brightness extraction unit, gradient extraction unit and pixel judgement Unit.

9. front car body forecasting system as claimed in claim 8, it is characterised in that:

In the pixel analytical equipment, the brightness extraction unit is mentioned with described image receiving unit and the gradient respectively Unit is taken to connect, the pixel judging unit is connect with the gradient extraction unit.

Technical field

The present invention relates to vehicle early warning field more particularly to a kind of front car body forecasting systems.

Background technique

Driving auxiliary is imaged using superpower stabilization, and image is apparent, for the requirement for meeting the mobile operating condition of the machine, is owned in machine Hardware and connector are all made of vibrationproof and consolidation process.Professional anti-seismic structure design, provides machine superpower buffering and antidetonation Property protection effectively solve the impact and vibration problems of vehicle in conjunction with electronics antidetonation and software anti-seismic technology.Video uses amendment type MJPEG+ compressed format, high-resolution support 30FPS to make video recording speed.Video file can be by connecting DVD, and navigator is independent aobvious Show device real-time display.Support four road synchronized video recordings, recording, storage, film playback and real-time display function.In driving process, manipulation side Just, can be according to the state of enforcement, picture required for automatically switching, (when such as vehicle is turned right, LCD shows that image only shows that right side is taken the photograph The picture enrolled as head.) image switching can also be forced.Using battery power supply or vehicle-mounted power supply, sophistication processing is real Low-power consumption is showed.It is backed up using the machine USB interface, is played out, backed up or collected evidence by computer USB interface.

Summary of the invention

In order to solve in the prior art under the strong illumination of front, driver can not determine the specific position of each car body in front The technical issues of setting, the present invention provides a kind of front car body forecasting systems, will change pixel in unit image area in image The image-region that point quantity transfinites has saved time and the power consumption of subsequent processing as pending area；Meanwhile also introducing light source Extract equipment, for being carried out to each light source in the global pattern by each pending area pattern as a whole It extracts, to obtain each position of form center of each light source therein, and the pre- measurement equipment of car body is introduced, for based on described each Each position of form center of light source matches multiple sets of light sources, and every one group of light source includes light source similar in two centroids, is based on each group The determination of two depth of field and this group of light source of two centroids of two light sources and two light sources in the global pattern in light source Corresponding car body profile, to can also predict accurately front vehicle for driver in the case where the floodlighting of front Body position.

According to an aspect of the present invention, a kind of front car body forecasting system is provided, the system comprises:

Airconditioning control main body, including damper, water valve, evaporator, heater relay, fan switch, potentiometer, watch Take motor, valve switch, amplifier, outside temperature sensor, vehicle interior temperature sensor, sunshine recorder, temperature setting handle And vacuum tank.

More specifically, in the front car body forecasting system: in the airconditioning control main body, setting hand by temperature Setting signal, the output signal of outside temperature sensor, the output signal of vehicle interior temperature sensor and the sunshine of handle setting pass The output signal of sensor is input in the amplifier.

More specifically, in the front car body forecasting system: in the airconditioning control main body, the amplifier control The revolution of the servo motor, the servo motor manipulate the damper, the potentiometer, the fan switch and described Valve switch is to control the temperature in automobile.

More specifically, in the front car body forecasting system: the sunshine recorder includes photodiode, and being used for will Solar radiation amount is converted to voltage signal, and the sunshine recorder is installed in the top of the instrument board of automobile to receive daylight Irradiation；Wherein, the vehicle interior temperature sensor includes ferrite, reed switch and permanent magnet, and the reed switch is described When ferrite temperature is more than setting value, because the ferrite magnetic flux rapidly reduces and carry out closed state and opening state it Between switching.

More specifically, in the front car body forecasting system, further includes:

Illuminance sensing equipment is installed in the top of the instrument board of automobile, by photodiode and singlechip group at institute It states photodiode and generates electric current when receiving light irradiation, and convert electrical current into voltage to be sent to the single-chip microcontroller, institute Single-chip microcontroller is stated based on the voltage determination and exports Real-Time Optical illumination；Car light controls equipment, with illuminance sensing equipment and Chinese herbaceous peony Lamp connection is opened for receiving the Real-Time Optical illumination, and when the Real-Time Optical illumination is less than or equal to default illuminance threshold value The headlight；The car light control equipment is also used to close when the Real-Time Optical illumination is greater than the default illuminance threshold value Close the headlight；Chinese herbaceous peony picture pick-up device is installed in the top of the instrument board of automobile, for being imaged towards vehicle front Movement, to obtain and export corresponding vehicle front image；First filter apparatus is installed in the top of the instrument board of automobile, It is connect with the Chinese herbaceous peony picture pick-up device, it is corresponding first to obtain for executing median filter process to the vehicle front image Secondary filtering image, and export the first filtering image；Filter apparatus again is connect with the first filter apparatus, is used for When receiving the first filtering image, mean filter processing in field is executed to the first filtering image, to be filtered again Wave image；Pixel analytical equipment is connect with the filter apparatus again, for described each of filtering image again Pixel carries out the luminance gradient value analysis of all directions, to be more than gradient value threshold value there are the luminance gradient value of a direction When, determine the pixel for variation pixel；Data statistics equipment is connect with the pixel analytical equipment, and being used for will be single The image-region that variation pixel quantity transfinites in bit image area exports the filtering image again as pending area In each pending area；Light source extract equipment is connect with the data statistics equipment, is used for each pending district Domain pattern as a whole, extracts each light source in the global pattern, to obtain each light source therein Each position of form center；The pre- measurement equipment of car body is connect with the light source extract equipment, for each shape based on each light source Heart location matches go out multiple sets of light sources, and every one group of light source includes light source similar in two centroids, based on two light in every one group of light source Two depth of field of two centroids in source and two light sources in the global pattern determine car body wheel corresponding with this group of light source It is wide；Overlapping display equipment, is arranged in the instrument board of automobile, connects with the pre- measurement equipment of the car body and the Chinese herbaceous peony picture pick-up device It connects, for receiving the corresponding multiple car body profiles of multiple sets of light sources of the pre- measurement equipment output of the car body and receiving the vapour The multiple car body profile is added on the vehicle front image and shows by front side image.

More specifically, in the front car body forecasting system: to each of filtering image pixel again The luminance gradient value analysis of progress all directions includes: each bright of the pixel for all directions for obtaining the neighborhood of pixel points Angle value determines the luminance gradient value of corresponding direction based on each brightness value of each pixel in each direction.

More specifically, in the front car body forecasting system: the data statistics equipment selection unit image area Real-time resolution of the numerical value based on the filtering image again, the real-time resolution of the filtering image again is higher, the number The numerical value of equipment selection unit image area is bigger according to statistics.

More specifically, in the front car body forecasting system: the pixel analytical equipment include image receiving unit, Brightness extraction unit, gradient extraction unit and pixel judging unit.

More specifically, in the front car body forecasting system: in the pixel analytical equipment, the brightness is extracted Unit is connect with described image receiving unit and the gradient extraction unit respectively, the pixel judging unit and the gradient Extraction unit connection.

Detailed description of the invention

Embodiment of the present invention is described below with reference to attached drawing, in which:

Fig. 1 is the operative scenario schematic diagram according to the front car body forecasting system shown in embodiment of the present invention.

Specific embodiment

The embodiment of front car body forecasting system of the invention is described in detail below with reference to accompanying drawings.

When smooth road is braked, wheel can skid automobile, or even make direction out of control.Equally, automobile adds in starting or suddenly When fast, driving wheel is also possible to skid, and direction out of control can be also made in the smooth roads such as ice and snow and goes out danger, and driving auxiliary relies on When electronic sensor detects driven wheel speed lower than driving wheel, a signal will be issued, the duration of ignition is adjusted, reduces valve Aperture reduces throttle, downshift or brake wheel, so that wheel be made no longer to skid.

Riding Stability of Automobile can be improved in driving auxiliary, improves acceleration, improves climbing capacity.Wheel speed on axle passes Sensor, and connect with car running computer, it constantly monitors each wheel speed, when low speed finds to skid, is issued immediately to car running computer Instruction commands drop engine speed or transmission gear down-shift, so that slip wheel is no longer skidded, prevent whipping to lose control of one's vehicle.

In order to overcome above-mentioned deficiency, the present invention has built a kind of front car body forecasting system, can effectively solve the problem that corresponding Technical problem.

Fig. 1 is the operative scenario schematic diagram according to the front car body forecasting system shown in embodiment of the present invention, black side Frame represents each car body of the traveling on road, the system comprises:

Airconditioning control main body, including damper, water valve, evaporator, heater relay, fan switch, potentiometer, watch Take motor, valve switch, amplifier, outside temperature sensor, vehicle interior temperature sensor, sunshine recorder, temperature setting handle And vacuum tank.

Then, continue that the specific structure of front car body forecasting system of the invention is further detailed.

In the front car body forecasting system: in the airconditioning control main body, setting handle setting by temperature Setting signal, the output signal of outside temperature sensor, the output signal of vehicle interior temperature sensor and sunshine recorder it is defeated Signal is input in the amplifier out.

In the front car body forecasting system: in the airconditioning control main body, the amplifier controls the servo The revolution of motor, the servo motor manipulate the damper, the potentiometer, the fan switch and the valve switch To control the temperature in automobile.

In the front car body forecasting system: the sunshine recorder includes photodiode, is used for solar radiation Amount is converted to voltage signal, and the sunshine recorder is installed in the top of the instrument board of automobile to receive the irradiation of daylight；

Wherein, the vehicle interior temperature sensor includes ferrite, reed switch and permanent magnet, and the reed switch is in institute When stating ferrite temperature more than setting value, because the ferrite magnetic flux rapidly reduces and carries out closed state and opening state Between switching.

In the front car body forecasting system, further includes:

Illuminance sensing equipment is installed in the top of the instrument board of automobile, by photodiode and singlechip group at institute It states photodiode and generates electric current when receiving light irradiation, and convert electrical current into voltage to be sent to the single-chip microcontroller, institute Single-chip microcontroller is stated based on the voltage determination and exports Real-Time Optical illumination；

Car light controls equipment, connect with illuminance sensing equipment and headlight, for receiving the Real-Time Optical illumination, and When the Real-Time Optical illumination is less than or equal to default illuminance threshold value, the headlight is opened；

The car light control equipment is also used to close institute when the Real-Time Optical illumination is greater than the default illuminance threshold value State headlight；

Chinese herbaceous peony picture pick-up device is installed in the top of the instrument board of automobile, for carrying out camera shooting movement towards vehicle front, To obtain and export corresponding vehicle front image；

First filter apparatus is installed in the top of the instrument board of automobile, connect with the Chinese herbaceous peony picture pick-up device, for pair The vehicle front image executes median filter process, to obtain corresponding first filtering image, and exports the first filtering Image；

Filter apparatus again is connect with the first filter apparatus, right for when receiving the first filtering image The first filtering image executes the processing of field mean filter, to obtain filtering image again；

Pixel analytical equipment is connect with the filter apparatus again, for each in the filtering image again A pixel carries out the luminance gradient value analysis of all directions, to be more than gradient value threshold there are the luminance gradient value of a direction When value, determine the pixel for variation pixel；

Data statistics equipment is connect with the pixel analytical equipment, for will change pixel in unit image area The image-region that quantity transfinites exports each pending area in the filtering image again as pending area；

Light source extract equipment is connect with the data statistics equipment, for using each pending area as one Global pattern extracts each light source in the global pattern, to obtain each centroid position of each light source therein It sets；

The pre- measurement equipment of car body is connect with the light source extract equipment, for each centroid position based on each light source It sets and matches multiple sets of light sources, every one group of light source includes light source similar in two centroids, based on two light sources in every one group of light source Two depth of field of two centroids and two light sources in the global pattern determine car body profile corresponding with this group of light source；

Overlapping display equipment, is arranged in the instrument board of automobile, sets with the pre- measurement equipment of the car body and Chinese herbaceous peony camera shooting Standby connection, for receiving the corresponding multiple car body profiles of multiple sets of light sources of the pre- measurement equipment output of the car body and receiving institute Vehicle front image is stated, the multiple car body profile is added on the vehicle front image and is shown.

In the front car body forecasting system: carrying out each side to the pixel of each of filtering image again To luminance gradient value analysis include: each brightness value for obtaining the pixel of all directions of the neighborhood of pixel points, be based on Each brightness value of each pixel in each direction determines the luminance gradient value of corresponding direction.

In the front car body forecasting system: carrying out each side to the pixel of each of filtering image again To luminance gradient value analysis include: each brightness value for obtaining the pixel of all directions of the neighborhood of pixel points, be based on Each brightness value of each pixel in each direction determines the luminance gradient value of corresponding direction.

In the front car body forecasting system: the pixel analytical equipment includes image receiving unit, brightness extraction Unit, gradient extraction unit and pixel judging unit.

In the front car body forecasting system: in the pixel analytical equipment, the brightness extraction unit difference It is connect with described image receiving unit and the gradient extraction unit, the pixel judging unit and the gradient extraction unit Connection.

In addition, the pre- measurement equipment of car body is dsp chip.According to the requirement of Digital Signal Processing, dsp chip generally has Following main feature: (1) achievable multiplication and a sub-addition within an instruction cycle；(2) program and data space point Open, can simultaneously access instruction and data；(3) there is quick RAM in piece, it usually can be by independent data/address bus in two pieces It accesses simultaneously；(4) there is low overhead or without overhead loop and the hardware supported jumped；(5) quick interrupt processing and Hardware I/O It supports；(6) there are the multiple hardware address generators operated within the monocycle；(7) multiple operations can be executed parallel；(8) it props up Pile line operation is held, makes the operations such as fetching, decoding and execution can be with Overlapped Execution.

Using front car body forecasting system of the invention, it is obstructed for pilot's line of vision under strong illumination in the prior art Technical problem, using the image-region that variation pixel quantity transfinites in unit image area in image as pending area, section The about time of subsequent processing and power consumption；Meanwhile light source extract equipment is also introduced, for using each pending area as one Global pattern extracts each light source in the global pattern, to obtain each centroid position of each light source therein It sets, and introduces the pre- measurement equipment of car body, match multiple sets of light sources for each position of form center based on each light source, it is each Group light source includes light source similar in two centroids, and two centroids and two light sources based on two light sources in every one group of light source exist Two depth of field in the global pattern determine car body profile corresponding with this group of light source, thus the floodlighting of front the case where Under also can for driver predict accurately front car body position；To solve above-mentioned technical problem.

It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention, Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as With the equivalent embodiment of variation.Therefore, anything that does not depart from the technical scheme of the invention are right according to the technical essence of the invention Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection It is interior.