CN1921621A - Panorama visible driving ancillary equipment - Google Patents
Panorama visible driving ancillary equipment Download PDFInfo
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- CN1921621A CN1921621A CN 200610113157 CN200610113157A CN1921621A CN 1921621 A CN1921621 A CN 1921621A CN 200610113157 CN200610113157 CN 200610113157 CN 200610113157 A CN200610113157 A CN 200610113157A CN 1921621 A CN1921621 A CN 1921621A
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Abstract
The invention relates to a panoramic visible driving auxiliary device. Wherein, it uses image digit technique and image information processing technique, to provide panoramic visible driving assistance to the driver that displays the panoramic image around the vehicle on the carrier electric display, to effectively control the vehicle motion, to avoid accidence. The invention comprises several cameras (imagers) around the vehicle to shoot environment, image collector for digitizing the image, memory for storing the digit image, the digit image processor, and the carrier display inside the vehicle. The invention uses digit signal processor or general processor with software program to analyze and combine several image signals into the panoramic image to be displayed on the carrier display, to supply environment condition to the driver.
Description
Technical field
The present invention relates to utilize image digitazation technology and Image Information Processing technology that the panorama visible driving ancillary equipment of automobile and surrounding environment thereof is provided for the driver, especially the panoramic picture with automobile and surrounding environment thereof is presented on the vehicle electronics display, make the motion of the more effective Control of Automobile of driver, prevent the generation of collision accident.Belong to technical field of automotive electronics and vehicle security drive technical field.Owing to relate to image digitazation and Image Information Processing, therefore also belong to technical field of information processing simultaneously.
Background technology
Automobile is the main vehicles of modern society, the driver drives a car and travels on various roads, and it advances, retreats or the turning process judges whether that by the external environment condition of driver's observation in visual line of sight meeting people around or object bump fully.In fact, the driver is sitting in driver's cabin can only see limited external environment condition by rotary head and health, and has a lot of blind spots.Often can't see especially and collision accident occurs for lower barrier.
Therefore the field range that how to enlarge the driver becomes the preferred option that can effectively avoid collision accident to take place.A kind of electronic theft-proof anticollision visual system for car has been proposed in number of patent application 94104190.5, the image that employing is installed camera and taken by the switch switching front camera and rear camera in the front and back of automobile, on display, can only show the image of front or the image of back, can not be in a display screen panoramic picture of display automobile and surrounding environment thereof, the expansion of driver's seat is very limited, and switch switches the operation that has also increased the driver simultaneously.A kind of driving ancillary equipment has been proposed in number of patent application 200510087579.0, camera is installed and image prediction is provided in conjunction with rotation direction sensor and detects in the direction of advance distance with barrier by in the place ahead of automobile or oblique the place ahead, the visual field blind spot information of automobile direction of advance can be provided for the driver; But obviously automobile advances, retreat, the blind spot information in the turning process comprises the information of all directions all around, so this technology can't provide panorama image information for the driver.
Problem to be solved by this invention provides the panorama information of automobile in the driver drives vehicle process and surrounding environment thereof, make and do not have any blind spot in the driver drives vehicle process, thereby enlarge driver's the visual field to greatest extent, effectively avoid the generation of the collision accident that occurs in any motions such as automobile advances, retreats, turning.
Summary of the invention
For addressing the above problem, the present invention proposes and utilize a plurality of image informations that are installed on automobile camera collection all around to carry out digitlization, and synthesize a width of cloth through the digital image information that image digitization treatment technology of the present invention obtains each camera and truly reflect the panoramic picture of automobile and surrounding environment thereof and be presented on the Vehicular display device.Panorama visible driving ancillary equipment of the present invention comprises: be installed on around the automobile with a plurality of cameras (image imaging element) of taking environment surrounding automobile, to image carry out digitized image acquisition component, storage digital image information memory unit, carry out the parts that digital image information handles, the vehicle-mounted display unit that is installed on automotive interior.The parts that carry out the digital image information processing can adopt digital signal processor or general processor to cooperate software program is finished becomes a plurality of image informations reflection automobile and external environment condition thereof by numeral panoramic picture.Simultaneously in order to regulate the viewing area of composograph, the angle of each camera can be regulated in certain limit, and by angular transducer the angle information digitlization of camera is handled as the synthetic supplementary of digital picture, realize regulating within the specific limits the visual angle and the scope of the panoramic picture that is presented at Vehicular display device.
Be installed in camera quantity around the automobile among the present invention according to the external form of the size of the angular field of view of camera, automobile and automobile and different, but at automobile a camera arranged respectively all around at least.Each camera photographs the image information of the different directions of motor vehicle environment.Just automobile and surrounding environment thereof are divided into a plurality of image-regions, different cameras is aimed at different zones, then camera is obtained image information and carry out digitlization, and store image storage unit into, by the Digital Image Processing unit image information of these zoness of different is synthesized by program and algorithm and can reflect truly that the panorama image information of automobile and external environment condition thereof is presented on the Vehicular display device.The display message that the driver saw is the whole visual informations in automobile and the surrounding environment certain limit thereof, does not have any blind spot.
Camera of the present invention be can color image shot the image imaging element, the true visual information of shooting environmental.
Camera of the present invention can adopt the infrared camera with night vision function, guarantees also can obtain at the relatively dimer environment of night environment or light the panoramic picture of environment surrounding automobile.
The automobile that the driver sees and the panoramic picture of surrounding environment thereof make the driver feel to place oneself in the midst of and overlook automobile and surrounding environment thereof outside the automobile, can be the driving ancillary equipment of no any blind spot therefore.
Owing to be installed on the car body all images that camera on the automobile can not obtain automobile itself, but since car body itself can not variation or variation very little.The image of car body can be gathered in advance and store in the system of the present invention, is carrying out taking out the automobile body image information that the car body image information can become the panorama image information that makes up automobile and surrounding environment thereof when image synthesizes.
Description of drawings
Fig. 1 is that panorama visible driving ancillary equipment of the present invention is realized block diagram representation.
Fig. 2 is the principle exemplary plot that 6 cameras are installed on automobile among the present invention.
Embodiment
Below in conjunction with accompanying drawing and exemplifying embodiment technical scheme of the present invention is further described:
Fig. 1 is that panorama visible driving ancillary equipment of the present invention is realized block diagram representation.As shown in Figure 1, panorama visible driving ancillary equipment of the present invention comprises and is installed on around the automobile to take a plurality of cameras (image imaging element) [1a] [1b] [1c] of environment surrounding automobile ... [1n], to image carry out digitized image acquisition component [2], storage digital image information memory unit [3], carry out the parts [4] that digital image information handles, the vehicle-mounted display unit [5] that is installed on automotive interior.In order to adjust the image-region of shooting environmental, for being installed on automobile all around to take a plurality of cameras (image imaging element) [1a] [1b] [1c] of environment surrounding automobile ... [1n], wherein the angle of each camera can be regulated and by depositing in the system of the present invention after the angle information digitlization of angular transducer with camera, as the synthetic supplementary of image.Simultaneously in order to adapt to environment and the realistic colour of reflection environment at night, camera can adopt the coloured image image-forming component with infrared night vision function.Image acquisition component [2] is used for the image analoging signal of each camera is carried out digitlization, become binary digital information and with image digitization information be stored in the storage digital image information memory unit [3] in.The parts [4] that carry out the digital image information processing will be stored in the digital image information of memory unit [3] through computing, analyzing and processing, carry out again synthetic according to the camera camera site multiple image, remove the cross-image information of different cameras, generate the panoramic picture data of width of cloth reflection automobile and surrounding environment thereof, then the panoramic picture data are sent to vehicle-mounted display unit [5] and demonstrate panoramic picture.
In realization example of the present invention, memory unit [3] can adopt the dual-port memory bank, a port of this memory bank connects the real-time storage that image acquisition component [2] realizes the camera original image information, and another port of this memory bank connects the parts [4] that carry out the digital image information processing.Carry out not influencing when parts [4] that digital image information handles are handled original image information the collection of image information like this.For the real-time processing that realizes a plurality of picture signals with synthesize panoramic picture, the parts [4] that carry out the digital image information processing can adopt the higher digital signal processor DSP of performance, also can adopt the high general processor CPU of performance to cooperate the process software of optimizing to finish.
In realization example of the present invention, handle and synthetic panoramic picture in order to show clearly through the parts [4] of Image Information Processing, adopt the high display of resolution as vehicle-mounted display unit [5].
Fig. 2 installs 6 cameras in being on automobile principle exemplary plot.As shown in Figure 2, a camera [7] is installed in front portion at automobile [6], left surface at automobile [6] is installed two cameras [8] and [9], at the rear portion of automobile [6] camera [10] is installed, and at the right flank of automobile [6] two cameras [11] and [12] is installed.With 6 cameras, the number needs of camera will be determined according to the angular field of view of camera, the actual size size of automobile and the external form of automobile in actual use in realization example of the present invention.But,, at front portion, left surface, rear portion, the right flank of automobile a camera is installed respectively at least in order to generate the panoramic picture of automobile and surrounding environment thereof.
In the realization example figure of Fig. 2,6 cameras have been divided into 6 image-regions with environment surrounding automobile, in order to cover whole environment of motor vehicle environment, it is overlapping that 6 captured images of camera exist at boundary, and these overlay informations crop after parts that digital image information handles are handled by carrying out.These 6 cameras obtain image information and add that the automobile body information of storing in advance can generate the vertical view of a width of cloth automobile and surrounding environment thereof by the synthetic processing of image.
Because the panorama visible driving ancillary equipment among the present invention can provide the panorama information of automobile in the driving process and surrounding environment thereof for the driver, make the driver not have any blind spot, thereby enlarge driver's the visual field to greatest extent, effectively avoid the generation of the collision accident that occurs in any motions such as automobile advances, retreats, turning.Simultaneously the driver can obtain the panorama vertical view of automobile and surrounding environment thereof from the Vehicular display device, so the driver do not need rotary head or health just can realize not having visual field blind spot driving, can effectively improve drive safety.
It should be noted last that: above exemplifying embodiment is the unrestricted technical scheme of the present invention in order to explanation only, although the present invention is had been described in detail with reference to above-mentioned example, those skilled in the art is to be understood that: still can make amendment or replacement on an equal basis to the present invention, and replace any modification or the part that do not break away from the spirit and scope of the present invention, and it all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1, a kind of panorama visible driving ancillary equipment is characterized in that comprising at least as lower member:
1) is installed on automobile all around to take a plurality of cameras (image imaging element) of environment surrounding automobile;
2) image is carried out digitized image acquisition component;
3) memory unit of storage digital image information;
4) carry out the parts that digital image information is handled;
5) be installed on the vehicle-mounted display unit of automotive interior.
2, a kind of panorama visible driving ancillary equipment is characterized in that can also comprising in case of necessity as lower member:
1) camera angular transducer parts
2) angular transducer digitlization parts
3, a kind of panorama visible driving ancillary equipment, it is characterized in that, by install around the automobile a plurality of camera collections to image information handle through image digitazation and data image signal and become the panorama image information that can truly represent automobile and surrounding environment thereof, wherein the automobile body image information can be the information of gathering in advance in the memory bank that is stored in panorama visible driving ancillary equipment.
4, a kind of panorama visible driving ancillary equipment is characterized in that panorama image displayed makes the driver feel to place oneself in the midst of and overlooks automobile and surrounding environment thereof outside the automobile, and the panoramic picture of no any blind spot is provided for the driver.
5, a kind of panorama visible driving ancillary equipment, it is characterized in that automobile and surrounding environment thereof are divided into a plurality of image-regions, different cameras is aimed at different zones, the image information that camera is obtained is carried out digitlization then, and store image storage unit into, by the Digital Image Processing unit image information of these zoness of different is synthesized by program and algorithm and can reflect truly that the panorama image information of automobile and external environment condition thereof is presented on the Vehicular display device.
As claim 1 and the described a kind of panorama visible driving ancillary equipment of claim 2, it is characterized in that 6, the described automobile that is installed on has following characteristics with a plurality of cameras (image imaging element) of taking environment surrounding automobile all around:
1) quantity of camera (image imaging element) is relevant with the automobile external form with angular field of view, the automobile dimension size of camera itself, and its requirement is that the camera of being installed can all cover the zone of environmental field in the motor vehicle environment certain distance;
2), at front portion, left surface, rear portion, the right flank of automobile a camera is installed respectively at least in order to generate the panoramic picture of automobile and surrounding environment thereof;
3) for adapt to night environment and the reflection environment realistic colour, camera can adopt the coloured image image-forming component with infrared night vision function;
4) in order to adjust the image-region of shooting environmental, can regulate for the angle that is installed on around the automobile with each camera of taking environment surrounding automobile, can increase described angular transducer and described angular transducer digitlization parts in case of necessity;
7, a kind of panorama visible driving ancillary equipment as claimed in claim 1, it is characterized in that, the memory unit of described storage digital image information had both been stored described being installed on around the automobile with a plurality of cameras (image imaging element) of taking environment surrounding automobile and through described image had been carried out digital image information after the digitized image acquisition component digitlization, also storage is through described synthetic panorama image information of carrying out after the parts Treatment Analysis that digital image information handles, and will synthesize panorama image information and be presented on the described vehicle-mounted display unit that is installed on automotive interior.
8, as claim 1 and the described a kind of panorama visible driving ancillary equipment of claim 2, it is characterized in that, described being installed on around the automobile with the angle of a plurality of cameras (image imaging element) of taking environment surrounding automobile can be regulated and by depositing in the memory unit of described storage digital image information after the angle information digitlization of angular transducer with camera, carries out the parts that digital image information handles and carries out the synthetic supplementary of panoramic picture as described.
9, a kind of panorama visible driving ancillary equipment as claimed in claim 1, it is characterized in that, the described parts that carry out the digital image information processing can adopt the higher digital signal processor DSP of performance, also can adopt high performance general processor CPU to cooperate the process software of optimizing to finish.
10, as claim 1 and the described a kind of panorama visible driving ancillary equipment of claim 2, it is characterized in that, the described parts that carry out the digital image information processing will be stored in the digital image information process computing of the memory unit of described storage digital image information, analyzing and processing, carry out again synthetic according to the camera camera site multiple image, remove the cross-image information of different cameras, generate the panoramic picture data of width of cloth reflection automobile and surrounding environment thereof, then the panoramic picture data are sent to the described vehicle-mounted display unit that is installed on automotive interior and demonstrate panoramic picture; Ought describedly be installed on simultaneously around the automobile and have described angular transducer and described angular transducer digitlization parts with a plurality of cameras (image imaging element) of taking environment surrounding automobile, described carry out parts that digital image information handles when carrying out computing, analyzing and processing with the angle information of camera as supplementary.
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| CN 200610113157 CN1921621A (en) | 2006-09-18 | 2006-09-18 | Panorama visible driving ancillary equipment |
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| CN 200610113157 CN1921621A (en) | 2006-09-18 | 2006-09-18 | Panorama visible driving ancillary equipment |
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