CN1621780A - Automobile surrounding condition dynamic supervision method and apparatus based on image processing - Google Patents
Automobile surrounding condition dynamic supervision method and apparatus based on image processing Download PDFInfo
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- CN1621780A CN1621780A CN 200410089462 CN200410089462A CN1621780A CN 1621780 A CN1621780 A CN 1621780A CN 200410089462 CN200410089462 CN 200410089462 CN 200410089462 A CN200410089462 A CN 200410089462A CN 1621780 A CN1621780 A CN 1621780A
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Abstract
The present invention is method and device for monitoring the peripheral status around motor vehicle based on image processing, and relates to image processing technology. The device includes synthesizer, display screen, man-computer interface, DC-DC power source module, video cameras and digital image processing module. Several video cameras are set in different positions inside vehicle to take the images in front of, in back of and beside the vehicle; the image signals are processed in the digital image processing module and synthesized in the synthesizer to obtain image in specific shape, the image in specific shape is then synthesized with the top view image of the vehicle taken and stored in advance to form one bird's eye view of the vehicle, which is shown in the display.
Description
Technical field
The present invention relates to a kind of be used for automobile surrounding condition dynamic supervision based on image process method and device.
Background technology
The safety traffic of motor vehicle is the thing that each driver is concerned about most.The state of vehicle itself can be looked in advance with the vehicle equipment of special use, the vehicle condition in the vehicle ' process, and as the speed of a motor vehicle, water temperature, oil level, general vehicle all can be shown by instrument.But the situation of nearby vehicle is ever-changing in the vehicle ' process, safety in order to ensure driving, the driver is except the road and vehicle of facing the place ahead, also must be by the reflective mirror and the rearview mirror of both sides, understand the vehicle-state at the left and right sides and rear, the driver shakes the head and comes back about must be continually for this reason, has increased the weight of driver's tensity.
Summary of the invention
At the shortcoming that exists in the above-mentioned prior art, technical matters to be solved by this invention provides a kind of method and device of the automobile surrounding condition dynamic supervision based on multi-faceted Flame Image Process and synthetic technology.
In order to solve the problems of the technologies described above, the device according to the automobile surrounding condition dynamic supervision based on multi-faceted Flame Image Process provided by the invention comprises compositor, display screen, man-machine interface, DC-DC power module, several video cameras and Digital Image Processing module; In the forward and backward windshield of automobile, and at least one video camera is set respectively on the left and right reflective mirror, is used to take the state of automobile dead ahead, rear and automobile both sides; All video cameras, Digital Image Processing module and display screen, man-machine interface, compositor are all powered by the DC-DC power module; The picture signal of every video camera is imported compositor respectively and is synthesized processing after the processing of Digital Image Processing module, be that the rectangle diagram picture that obtains of every video camera is through becoming the image of given shape respectively behind the compositor, and overlook figure with this car of taking and store in advance and synthesize processing, form one similar to overlooking the complete effect image of this motor vehicle and surrounding condition thereof in the air, and on display screen, show; This device adopts semiconductor memory, can write down the image that a plurality of video cameras are taken simultaneously, and different according to the length of writing time and requirement are adopted the storage chip of different capabilities.
According to the method for the automobile surrounding condition dynamic supervision based on Flame Image Process provided by the invention, its step is as follows:
The analog video image signals that video camera is taken becomes digital signal through the Digital Image Processing module converts;
Compress digital signal more than 50 times in the Digital Image Processing module;
Picture signal after the Digital Image Processing module will be compressed is stored in the semiconductor memory of the permanent preservation of energy circularly;
The Digital Image Processing module is to the required picture signal of compositor output;
Compositor is with the synthetic secondary complete similar effect image of overlooking that is treated to of the picture signal of each Digital Image Processing module input;
Compositor is overlooked effect image and is shown on display to display output.
The invention has the beneficial effects as follows: owing on display, show the image of surrounding condition, the driver only need face road, vehicle and the display in the place ahead when driving, needn't be by the reflective mirror and the rearview mirror of both sides, understand the vehicle-state at left and right sides and rear, the driver shakes the head and comes back about needn't be continually for this reason, alleviate driver's tensity, guaranteed the safety of driving a vehicle; Particularly owing on display, shown similar in the air from overlooking the complete effect image of this motor vehicle and surrounding condition thereof, the real time status that has in time reflected automobile surrounding, the driver can be come into plain view, need not conversion think deeply, directly the changing condition of automobile surrounding is made rapid reflection.
Below in conjunction with accompanying drawing enforcement of the present invention is described in further detail.
Description of drawings
Fig. 1 is the orientation synoptic diagram that the camera of an embodiment among the present invention is installed on automobile;
Fig. 2 is the orientation synoptic diagram that the camera of another embodiment is installed on automobile among the present invention;
Fig. 3 is the electrical principle block diagram of apparatus of the present invention.
Embodiment
With reference to shown in Figure 1, in an embodiment of the present invention, No. one video camera 1 is installed on the front windshield, and its visual range is a forward extent 5; No. two video camera 2 is installed on the nearside mirror, and its visual range is a left-hand scope 6; No. three video camera 3 is installed on the right reflective mirror, and its visual range is a dextrad scope 7; No. four video camera 4 is installed on the rear seat windscreen, and its visual range is that the back is to scope 8; The picture signal of every video camera is imported compositor respectively through the processing of Digital Image Processing module and is synthesized processing, it is the shape that image that every video camera obtains becomes 5,6,7,8 zones among Fig. 1 after treatment respectively, and it is synthetic with this car vertical view 9 of taking and store in advance, form as shown in Figure 1 one secondary similar to overlooking the complete effect image of this motor vehicle and surrounding condition thereof in the air, and on display screen, show; Owing to adopt four image mechanism cost devices, form left and right blind area 10,11, device can be according to current road speed, and the parts of images of a certain moment video camera splices before getting.
For dwindling a left side, right blind area, with reference to shown in Figure 2, in another embodiment of the present invention, adopt 5 image mechanism cost devices, a preceding the first from left video camera 12 and a preceding right video camera 13 have replaced a former video camera, be separately positioned on a preceding left side, preceding right both direction, visual range is respectively preceding left-hand scope 14, preceding dextrad scope 15, two complete angulars field of view that cover the dead ahead of video camera, and parts of images has overlappingly, greatly dwindled a left side, right blind area 10,11, other video camera is provided with embodiment with Fig. 1 in the present embodiment, promptly No. two video cameras 2 are installed on the nearside mirror, and its visual range is a left-hand scope 6; No. three video camera 3 is installed on the right reflective mirror, and its visual range is a dextrad scope 7; No. four video camera 4 is installed on the rear seat windscreen, and its visual range is that the back is to scope 8; The picture signal of every video camera is imported compositor respectively through the processing of Digital Image Processing module and is synthesized processing, it is the shape that image that every video camera obtains becomes 14,15,6,7,8 zones among Fig. 2 after treatment respectively, and it is synthetic with this car vertical view 9 of taking and store in advance, form as shown in Figure 2 one secondary similar to overlooking the complete effect image of this motor vehicle and surrounding condition thereof in the air, and on display screen, show.
This device adopts semiconductor memory, can write down the image that a plurality of video cameras are taken simultaneously, and different according to the length of writing time and requirement are adopted the storage chip of different capabilities.This device can be distinguished the original image that each video camera of playback is taken, and reviews former incident and carries out crash analysis.
The electrical principle block diagram of this device as shown in Figure 3, comprise compositor, display screen, man-machine interface, the DC-DC power module, the playback delivery outlet, several video cameras and Digital Image Processing module, wherein all video cameras connect compositor respectively after the Digital Image Processing module, display screen, playback delivery outlet and man-machine interface are connected compositor respectively, and all video cameras, Digital Image Processing module and display screen, playback delivery outlet, man-machine interface, compositor are all powered by the DC-DC power module.
The basic function of the Digital Image Processing module of this device:
Convert analog video image signals to digital signal;
Compress digital signal more than 50 times;
With the picture signal after the compression, be stored in circularly in the semiconductor memory of the permanent preservation of energy;
The required picture signal of output compositor.
The basic function of the compositor of this device is:
The requirement by Fig. 1 or Fig. 2 of the signal of each video camera input is changed, synthesize a pair complete overlook effect image;
The control display is a light signal with electrical signal conversion, the image of clear display;
Man-machine interaction receives the instruction of input, shows the state of work;
According to input instruction, the image that each video camera of energy playback is taken and write down.Therefore compositor has had both the function of controller.
The basic function of the DC-DC power module of this device: the bigger car direct current power supply that will fluctuate is converted to the needed various DC voltage of more stable device.
The method of the automobile surrounding condition dynamic supervision based on Flame Image Process provided by the present invention, its step is as follows:
The analog video image signals that video camera is taken becomes digital signal through the Digital Image Processing module converts;
Compress digital signal more than 50 times in the Digital Image Processing module;
Picture signal after the Digital Image Processing module will be compressed is stored in the semiconductor memory of the permanent preservation of energy circularly;
The Digital Image Processing module is to the required picture signal of compositor output;
Compositor is with the synthetic secondary complete effect image of overlooking that is treated to of the picture signal of each Digital Image Processing module input;
Compositor is overlooked effect image and is shown on display to display output.
Claims (3)
1, a kind of device of the automobile surrounding condition dynamic supervision based on Flame Image Process comprises compositor, display screen, man-machine interface, DC-DC power module, several video cameras and Digital Image Processing module; In the forward and backward windshield of automobile, and at least one video camera is set respectively on the left and right reflective mirror, is used to take the state of automobile dead ahead, rear and automobile both sides; All video cameras, Digital Image Processing module and display screen, man-machine interface, compositor are all powered by the DC-DC power module; It is characterized in that, the picture signal of every video camera is imported compositor respectively through the processing of Digital Image Processing module, and overlook figure with this car of taking and store in advance and synthesize processing, form one similar to overlooking the complete effect image of this motor vehicle and surrounding condition thereof in the air, and on display screen, show.
2, the device of the automobile surrounding condition dynamic supervision based on Flame Image Process according to claim 1, it is characterized in that, described device adopts semiconductor memory, can write down the image that a plurality of video cameras are taken simultaneously, different according to the length of writing time and requirement are adopted the storage chip of different capabilities.
3, a kind of method of the automobile surrounding condition dynamic supervision based on Flame Image Process, its step is as follows: the analog video image signals that video camera is taken becomes digital signal through the Digital Image Processing module converts;
Compress digital signal more than 50 times in the Digital Image Processing module;
Picture signal after the Digital Image Processing module will be compressed is stored in the semiconductor memory of the permanent preservation of energy circularly;
The Digital Image Processing module is to the required picture signal of compositor output;
Compositor is with the synthetic secondary complete effect image of overlooking that is treated to of the picture signal of each Digital Image Processing module input;
Compositor is overlooked effect image and is shown on display to display output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410089462 CN1621780A (en) | 2004-12-14 | 2004-12-14 | Automobile surrounding condition dynamic supervision method and apparatus based on image processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410089462 CN1621780A (en) | 2004-12-14 | 2004-12-14 | Automobile surrounding condition dynamic supervision method and apparatus based on image processing |
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| Publication Number | Publication Date |
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| CN1621780A true CN1621780A (en) | 2005-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200410089462 Pending CN1621780A (en) | 2004-12-14 | 2004-12-14 | Automobile surrounding condition dynamic supervision method and apparatus based on image processing |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101902598A (en) * | 2009-04-02 | 2010-12-01 | 通用汽车环球科技运作公司 | Recommended following distance on the full-windscreen head-up display |
| CN102547237A (en) * | 2011-12-23 | 2012-07-04 | 厦门市鼎朔信息技术有限公司 | Dynamic monitoring system based on multiple image acquisition devices |
| US20140152774A1 (en) * | 2011-09-27 | 2014-06-05 | Aisin Seiki Kabushiki Kaisha | Vehicle periphery monitoring device |
-
2004
- 2004-12-14 CN CN 200410089462 patent/CN1621780A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101902598A (en) * | 2009-04-02 | 2010-12-01 | 通用汽车环球科技运作公司 | Recommended following distance on the full-windscreen head-up display |
| CN101902598B (en) * | 2009-04-02 | 2013-12-04 | 通用汽车环球科技运作公司 | Recommended following distance on full-windshield head-up display |
| US20140152774A1 (en) * | 2011-09-27 | 2014-06-05 | Aisin Seiki Kabushiki Kaisha | Vehicle periphery monitoring device |
| CN103988499A (en) * | 2011-09-27 | 2014-08-13 | 爱信精机株式会社 | Vehicle surroundings monitoring device |
| US9467679B2 (en) * | 2011-09-27 | 2016-10-11 | Aisin Seiki Kabushiki Kaisha | Vehicle periphery monitoring device |
| CN103988499B (en) * | 2011-09-27 | 2017-09-26 | 爱信精机株式会社 | Vehicle periphery monitoring apparatus |
| CN102547237A (en) * | 2011-12-23 | 2012-07-04 | 厦门市鼎朔信息技术有限公司 | Dynamic monitoring system based on multiple image acquisition devices |
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