CN100364334C - Monitoring system and its method using mobile communication terminal dead angle area - Google Patents
Monitoring system and its method using mobile communication terminal dead angle area Download PDFInfo
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- CN100364334C CN100364334C CNB2004100697939A CN200410069793A CN100364334C CN 100364334 C CN100364334 C CN 100364334C CN B2004100697939 A CNB2004100697939 A CN B2004100697939A CN 200410069793 A CN200410069793 A CN 200410069793A CN 100364334 C CN100364334 C CN 100364334C
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
According to the monitoring system and its method using mobile communication terminal dead angle area, a camera is amounted at a rotatable driving part set at the dead angle area of a transport means, one communicating manner is selected from the close range wire/wireless communicating manners set at the mobile communicating terminal and is connected with a camera driving controller which is used for controlling the driving part and is switched-in camera images, the filmed images mentioned above are displayed at a mobile communicating terminal display screen; once obstacles appear, the camera driving part mentioned above is started-up to change the pointing angle of the camera, and the distance from the obstacle is displayed at the mobile communicating terminal display screen according to the pointing angle to ensure that users can make sure the dead angle area through visions and can grasp the distance to the obstacle. Hence, on the basis of the more specific distance data, the effects of transport means driving safely are obtained.
Description
Technical field
The present invention relates to the portable terminal device technology, design a kind of dead angle area surveillance and method thereof of utilizing communication terminal especially.
Background technology
Along with popularizing of communication terminal, communication terminal market constantly enlarges, thereby makes the exploitation that is provided with multi-purpose communication terminal, has formed scale rapidly.
Especially, high performance control device, mass storage, luxury display screen etc. have all become the basic configuration of common communication terminal, and are provided with camera function, can take pictures and the function of dynamic image also is being in the stage of popularization.And utilize these functions can more convenient processing the personal information of multicapacity more, can also edit and play various multi-medium datas simultaneously.Thus, in order on communication terminal, to realize the storage and the management of these type of countless information, communication terminal is connected on the instrument such as PC and realizes that the situation of data communication increases just gradually.
And many communication terminals of listing all have camera function at present, can be presented at real-time imaging on the screen by this function, and can also utilize multiple powerful controller, the multiple effect of real-time implementation.In addition, camera can be internal or external on the communication terminal, even the terminal of built-in camera has been installed, also can show the image of external camera by communication in upright arrangement.
When the vehicles such as driving or park a car, its maximum problem is checking dead angle area.For veteran driver, when accident such as other object occurring at dead angle area, can be with the ability of skilled driving technology with calm reply, what can be avoided; But as new hand, untimely to checking of dead angle area, cause the situation of serious accident to happen occasionally.
In addition, can not guarantee its visual field when reversing, the part of being blocked by vehicle body can not get confirming road conditions in the time of therefore need previewing reversing.And reversing to park cars be that new hand feels one of the most difficult driving technology.
Thereby, in order to overcome these problems, reflective mirror is being installed on the automobile or is being reversing additional accessory such as sensor installation on automobile rear bumper.But reflective mirror also has its drawback, because it is installed in the driver front, just can not correctly check the back, does not therefore help much when moveing backward or stopping backward.In addition, when utilizing transducer, transducer only limit to inform belong to object in its visual angle and the induction range roughly existence whether, can not confirm its concrete shape of barrier, and can't realize rapid from afar induction near object, so can only under the situation that the utmost point is limited to, carry out the minimum effect that it is collided that prevents.
The best way is in the back of automobile a plurality of cameras to be installed, and the driver confirms the rear situation at driver's seat.Though the price of camera model drops just gradually, does not need how many expenses, in order to observe its image, display need be set in addition, so its cost can increase greatly, and shared volume also can strengthen.Generally can select to be easily mounted on the LCD display (or monitor) on the automobile, but its shared volume in narrow motor space is big, and power consumption can increase also.And the display unit of She Zhiing probably becomes the dangerous structure that the personnel that ride is caused mortal wound when accident takes place in addition.
Also have,,,, also can't observe its correct distance even barrier occurred because of being difficult to tackle the variation of surrounding environment if utilize display or the monitor of developing as general service; And camera is provided with angle and fixes, and can only check the barrier in the local field, can not observe the situation of barrier beyond its angle.
As mentioned above, in order to eliminate the dead angle area that occurs when driving a conveyance, dwindled its regional extent in the past, at this moment, existed the problem that to tackle the back bursty state by reflective mirror is installed; If the high price transducer is installed, also can only monitor that in its working range and accuracy whether inductor exists, therefore have the problem of extremely low utility ratio.In addition, if utilize camera to check dead angle area, expensive display must be installed in addition, and along with the setting angle of camera, its monitoring range is restricted, also exist can't confirm and barrier between the difficult problem of distance.
Summary of the invention
Consider as above problem, the invention provides a kind of dead angle area surveillance and method thereof of utilizing communication terminal, its purpose is: on the rotatable drive division of the dead angle area setting of the vehicles camera has been installed, in the closely wired or wireless communication modes of communication terminal, take a kind of mode, connect the above-mentioned drive division of control, and the camera driving governor of access filmed image, simultaneously above-mentioned filmed image is presented on the communication terminal display screen; In case barrier occurs, just above-mentioned camera drive division is started, the orientation angle that changes camera is followed the trail of barrier, and to the user show corresponding to point to the angle, barrier present position distance.
In order to reach as above above-mentioned purpose, technical scheme of the present invention is:
A kind of dead angle area surveillance of utilizing communication terminal is characterized in that: the camera section that produces image data; Be arranged on the dead angle area place of the vehicles, and support above-mentioned camera section, adjust the drive division of above-mentioned camera orientation angle simultaneously according to extraneous control signal; Connect image from above-mentioned camera section, and control the camera drive control part of above-mentioned drive division action according to extraneous control signal; With above-mentioned camera drive control part with closely have/one of wireless communication mode is connected, the image of camera is presented on the picture, and control the orientation angle that above-mentioned camera drive control part changes above-mentioned camera, distance between monitoring and the barrier simultaneously, and be presented at communication terminal on the picture.
Above-mentioned drive division is characterized in that: can make above-mentioned camera one towards on fixing angle rotation.
Simultaneously, also comprise several stages in its operating process of the present invention, it is characterized in that: for the position that makes camera has certain initial angle, it is carried out initialization, and the image that above-mentioned camera provides is exported to the stage of communication terminal display screen; When above-mentioned angle is found barrier, according to fixing angle and desired location, calculate and barrier between distance after, this result is presented at stage of communication terminal display screen; Change after the above-mentioned camera orientation angle by set angle, wait for the stage of finding above-mentioned barrier; When in the setting-up time of regulation, not finding barrier, above-mentioned camera orientation angle by after rightabout changes before this, is detected the stage of barrier again; Along with finding above-mentioned barrier once more, indicate its distance again, and change its camera orientation angle, the stage of this process repeatedly once more.
And the distance between the above-mentioned barrier is found start position according to camera orientation angle and barrier, calculates or read the stage of the value acquisition of having calculated and having stored.
As mentioned above, useful result of the present invention is that the present invention utilizes the dead angle area surveillance and the method thereof of communication terminal, on the rotatable drive division of the dead angle area setting of the vehicles, camera has been installed, in the closely wired or wireless communication modes of communication terminal, take a kind of mode, connect the above-mentioned drive division of control, and the camera driving governor of access filmed image, simultaneously above-mentioned filmed image is presented on the communication terminal display screen; In case barrier occurs, just above-mentioned camera drive division is started, the orientation angle that changes camera is confirmed under the different orientation angle and the distance between the barrier, and be presented on the communication terminal display screen, thereby allow the user use the visual confirmation dead angle area, can also know simultaneously and barrier between distance, therefore under this situation, have the effect of the safe driving vehicles based on more concrete distance perspective.
Description of drawings
Fig. 1 is the block diagram of relevant embodiment of the invention structure;
Fig. 2 is the concept map of explanation embodiment of the invention working method;
Fig. 3 is the concept map of explanation embodiment of the invention working method;
Fig. 4 is the operational flowchart of the relevant embodiment of the invention.
The explanation * * of * accompanying drawing major part
10: communication terminal 11: display screen
12: image processing portion 13: control part
14: Near Field Communication portion 20: the camera driving governor
21: control part 22: Near Field Communication portion
23: drive division and camera interface 30: drive division
40: camera section 50: barrier
Embodiment
Following reference is the accompanying drawing of the appended embodiment of the present invention as above, is elaborated.
Fig. 1 is the block diagram of relevant embodiment of the invention structure, is made of following components, comprising: support camera section 40 as shown in the figure and change the drive division 30 of above-mentioned camera section 40 orientation angle according to outer signals; Be connected and control the camera drive division 20 of above-mentioned drive division 30 with above-mentioned camera section 40 and drive division 30; The communication terminal 10 that connects above-mentioned camera drive division 20.
Above-mentioned camera section 40 preferably can become video conversion the camera of data-signal, especially, adopt similar with the communication terminal external camera, as to have tandem data transmitting function camera, will be sent to communication terminal 10 to above-mentioned camera section 40 images by camera drive control part 20.
Above-mentioned drive division 30 support above-mentioned camera section 40 and on the position that is set towards the direction of regulation, adjust the orientation angle of above-mentioned camera section 40.Above-mentioned drive division 30 utilizes the drive unit that can adjust above-mentioned camera section 40 angles by certain angle unit, and its control signal by above-mentioned camera drive control part 20 drives.
Above-mentioned camera drive control part 20 as shown in the figure, its inside is made of following components, and multiple structure is provided: the Near Field Communication portion 22 that is connected with wired or wireless communication modes closely with above-mentioned communication terminal 10; Can generate the communication terminal 10 camera orientation angle change signal that the above-mentioned Near Field Communication of processing portion 22 receives, and supply with the control part 21 of above-mentioned drive division 30 control signals; Above-mentioned camera section 40 signal of video signal are offered the Near Field Communication portion 22 that is connected with above-mentioned communication terminal 10, drive division and the camera section interface 23 that the while offers above-mentioned control part 21 control signals above-mentioned drive division 30.Above-mentioned Near Field Communication portion 22 can be the wire communication pattern that is connected with communication terminal 10 PORT COM (socket portion), also can be to support bluetooth, infrared-ray communication, wireless wireless short-distance communication modes such as (RF).And according to circumstances, above-mentioned camera section 40 signal of video signal can directly offer the headset terminal of above-mentioned communication terminal 10.
Above-mentioned communication terminal 10 can or directly receive above-mentioned camera section 40 images by above-mentioned camera drive control part 20, and in the illustrated embodiment, the Near Field Communication portion 14 of Near Field Communication portion 22 communication modes by supporting corresponding above-mentioned camera drive control part 20, reception is also passed through control part 13, after image processing portion 12 carries out suitable processing, show by display screen 11.Thus, the user can check the rear image by communication terminal.And, can also drive above-mentioned drive division 30 according to the camera orientation angle control command that above-mentioned communication terminal 10 provides, adjust the camera orientation angle by required remote control.
And, the above-mentioned image that is provided, along with the image that inputs to above-mentioned image processing portion 12, its image obtains high-high brightness compensation, therefore can obtain the image of best image quality; Can pass through the appearance of various disorders quality testing method of determining and calculating (for example outline line acquisition method etc.) induction barrier; And calculate barrier and distance between the camera vehicles has been installed to adjust above-mentioned camera section 40 orientation angle.
Change and obstacle detection method by above-mentioned camera section 40 orientation angle, extrapolate barrier and the method for distance between the vehicles of camera has been installed, this is further described with reference to accompanying drawing.
Fig. 2 to Fig. 3 is about barrier in the explanation embodiment of the invention and the concept map of distance method between the vehicles of camera has been installed, a part and the barrier 50 of the vehicles that are provided with drive division 30 and camera section 40 arranged among the figure.
The position of supposing above-mentioned camera section 40 is A; From above-mentioned camera section 40 positions, can be B with the height point position of vehicles generation actual collision; Will bump barrier 50 positions in place when being C, the virtual right angle triangle that can obtain being represented by dotted lines thus with the above-mentioned vehicles.
Wherein fix the position A of above-mentioned camera section 40 and from above-mentioned camera section 40 positions, can be known fixed, so length A B between the two also be known with the height point of vehicles generation actual collision position (B).And above-mentioned camera section 40 angles are the values by above-mentioned camera section 40 decisions, so this angle (θ 1) also is known.And then extremely the distance (d0) between the actual vehicles outermost that will bump also is known value from above-mentioned B position.Thereby above-mentioned communication terminal 10 is based on the reference range of having imported (AB) and self-defined angle (θ 1), on the start position that is detected from above-mentioned barrier 50, and the distance that obtains between the above-mentioned barrier 50 and the vehicles by following formula 1.
Formula 1:
BC＝Ab?s?tan(θ1)
d1＝BC-d0
By the standoff distance that as above calculating can obtain and barrier 50 detects between the start positions.Simultaneously,, the sensing position of above-mentioned camera section 40 is adjusted downwards, regained an orientation angle (θ 2) and receive image in order to learn the shift position of next barrier.This be for detect above-mentioned barrier 50 gradually near the time method that adopts, by having the camera section 40 of above-mentioned new orientation angle (θ 2), when rediscovering above-mentioned barrier 50, can learn that above-mentioned barrier 50 has arrived the situation of reposition.By repeating such process, just can follow the trail of in barrier 50 risk range whether close user sets, can inform the close state of user class simultaneously like barrier.Usually the distance between barrier 50 can export on the display screen with image, and when interior as if barrier 50 approaching regulation risk ranges, (picture demonstration, alarm etc.) can also send distress signal.
And, because and the distance between the above-mentioned barrier is the value that is obtained by camera section 40 angles of reflection of finding barrier 50 places, so can be in advance through calculating and be stored in the query directory of communication terminal inside, by read that these data are learnt and barrier between distance.
Simultaneously, the change of above-mentioned orientation angle can be implemented automatically by communication terminal, can also detect the start position of finding barrier by user's manual operation, and the distance of this moment can also be confirmed with above-mentioned computational methods.
Though do not show that in the drawings above-mentioned camera drive control part can be arranged on the driver's seat of the vehicles, and can possess the support that can support above-mentioned communication terminal.And if when supporting communication terminal with the mechanics shape, other adds hand-free function, makes it have the advantage of simplifying loaded down with trivial details device on the driver's seat.Thereby, in shape, above-mentioned camera drive control part outward appearance is similar with the hands-free device that supports communication terminal, and its inside can also receive the control command of above-mentioned communication terminal simultaneously, and control the drive division that is used to change camera angle, these additional functions can be realized with built-in mode.At this moment, the distance test that the front is above-mentioned or for detecting the substantive control of drive division that barrier is implemented can be handled on communication terminal.
The present communication terminal that uses, the digital signal handling part that all possesses fully big memory and fast controller and can carry out the high speed image processing if therefore the technical staff has fully understood the present invention, just can be realized above-mentioned functions by the variation program.
Fig. 4 is the operational flowchart of the diagram embodiment of the invention, illustrates the state of upper end installation camera behind the vehicles.
At first, before the test barrier, the image of camera is exported in the picture of communication terminal, and the initialization drive division, make it have initial angle.By these, communication terminal can the criterion of identification orientation angle.Maximum angle when above-mentioned initial angle preferably can be responded in the close predetermined distance of barrier, but the angle of vertical line should be less than 90 degree between its relative camera and the ground.
After this, when drive a conveyance reversing or barrier are close, in a single day communication terminal finds the appearance of barrier, according to corresponding orientation angle, by calculate or the query directory mode obtains and barrier between distance, and be presented on the display screen of communication terminal, make the user learn this result.
If in the setting-up time of regulation, do not detect barrier, barrier might be eliminated or leave this moment, so do not have each other approaching, can be above-mentioned initial position setting critical localisation therefore, and adjust upward with predetermined angular (unit angle).By these, can confirm whether above-mentioned barrier is eliminated or moves away to farther place, reverts to initial condition simultaneously, become and wait for the wait state of finding other barrier.
That detects that above-mentioned barrier obtains in the risk distance that the user sets the time, utilizes the whole bag of tricks to give a warning to the user with its standoff distance.
If after detecting barrier and showing its distance, when confirming that barrier is beyond the risk distance that the user sets, because need to continue its whereabouts of monitoring, so above-mentioned orientation angle is set at critical localisation, and after adjusting downwards with predetermined angular (unit angle), the last stage of barrier to be detected such as return again.
Above-mentioned driving method be relevant barrier and the vehicles near the time situation explanation, appearance and time according to barrier, change its orientation angle, confirm that barrier is near beyond the predetermined distance.If barrier is similar to surrounding environment, when communication terminal was difficult to detect automatically, the user can manual operation detect barrier, and learns resultant distance.
Thereby, use the method for distance between foregoing system of the present invention and test and the barrier, can low-cost high-efficiency ground realize the checking of dead angle area, and can test out distance between reality and the barrier, can realize the driving of safety thus with the automatic or manual mode.
As mentioned above, the present invention utilizes the dead angle area surveillance and the method thereof of communication terminal, on the rotatable drive division of the dead angle area setting of the vehicles, camera has been installed, in the closely wired or wireless communication modes of communication terminal, take a kind of mode, connect the above-mentioned drive division of control, and the camera driving governor of access filmed image, simultaneously above-mentioned filmed image is presented on the communication terminal display screen; In case barrier occurs, just above-mentioned camera drive division is started, the orientation angle that changes camera is confirmed under the different orientation angle and the distance between the barrier, and be presented on the communication terminal display screen, thereby allow the user use the visual confirmation dead angle area, can also know simultaneously and barrier between distance, therefore under this situation, have the effect of the safe driving vehicles based on more concrete distance perspective.
Above embodiment only is used to illustrate the present invention, is not to be used to limit scope of the present invention.
Claims (10)
1. a dead angle area surveillance of utilizing communication terminal is characterized in that, comprising: the camera section that produces image data; Be arranged on the dead angle area place of the vehicles, and support above-mentioned camera section,, adjust the drive division of above-mentioned camera angle simultaneously according to extraneous control signal; Connect image from above-mentioned camera section, and, control the camera drive control part of above-mentioned drive division action according to extraneous control signal; Be connected with one of wired or wireless communication modes closely with above-mentioned camera drive control part, and the image of camera is presented on the picture, control the angle of reflection that above-mentioned camera drive control part changes above-mentioned camera simultaneously, distance between monitoring and the barrier simultaneously, and be presented at communication terminal on the picture.
2. the dead angle area surveillance of utilizing communication terminal according to claim 1 is characterized in that: the image information that the digital tandem data that above-mentioned camera section generation communication terminal can be discerned is formed.
3. the dead angle area surveillance of utilizing communication terminal according to claim 1 is characterized in that: above-mentioned drive division makes above-mentioned camera rotate with fixing angle towards a direction.
4. according to the described dead angle area surveillance of utilizing communication terminal of claim 1, it is characterized in that: above-mentioned camera drive control part, control above-mentioned drive division according to the control signal that is connected with above-mentioned communication terminal FPDP and receive, make above-mentioned camera have required angle, and above-mentioned camera section signal need not conversion, offers the FPDP or the headset terminal of above-mentioned communication terminal.
5. according to the described dead angle area surveillance of utilizing communication terminal of claim 1, it is characterized in that: above-mentioned camera drive division has the cradling function of the above-mentioned communication terminal of physical support.
6. according to the described dead angle area surveillance of utilizing communication terminal of claim 5, it is characterized in that: above-mentioned camera drive control part also has hand-free function.
7. dead angle area method for monitoring that utilizes communication terminal, it is characterized in that, following steps have been comprised: for the position that makes camera has certain initial angle, it is carried out initialization, and the image that above-mentioned camera provides is exported to the step of communication terminal display screen; When above-mentioned angle is found barrier, according to fixing angle and desired location, calculate and barrier between distance after, this result is presented at the step of communication terminal display screen; Change after the above-mentioned camera angle by angle is set, wait for the step of finding above-mentioned barrier; When in certain stipulated time, not finding barrier, above-mentioned camera angle by after rightabout changes before this, is detected the step of barrier again; Along with finding above-mentioned barrier once more, indicate its distance again, and change its camera angle once more, repeatedly the step of this process.
8. the dead angle area method for monitoring that utilizes communication terminal according to claim 7, it is characterized in that, also comprise: and the distance between the above-mentioned barrier, find that according to camera angle and barrier the position calculates or read the step that the value having calculated and stored obtains.
9. the dead angle area method for monitoring that utilizes communication terminal according to claim 7, it is characterized in that: the detection of above-mentioned barrier is in the image processing portion of communication terminal, and the detection affirmation of barrier is realized or finished by user's manual operation to the extraction algorithm that breaks the barriers.
10. the dead angle area method for monitoring that utilizes communication terminal according to claim 7 is characterized in that, also comprises: when above-mentioned camera orientation angle reaches the set angle of regulation, provide the step of barrier near warning to the user.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020030080291 | 2003-11-13 | ||
| KR1020030080291A KR100548420B1 (en) | 2003-11-13 | 2003-11-13 | Dead zone monitoring system and method using a mobile communication terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1617588A CN1617588A (en) | 2005-05-18 |
| CN100364334C true CN100364334C (en) | 2008-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100697939A Expired - Fee Related CN100364334C (en) | 2003-11-13 | 2004-07-19 | Monitoring system and its method using mobile communication terminal dead angle area |
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| KR (1) | KR100548420B1 (en) |
| CN (1) | CN100364334C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100453365C (en) * | 2006-03-17 | 2009-01-21 | 财团法人工业技术研究院 | Method and device for rearview mirror assistant controlling of the vehicle |
| KR100741428B1 (en) * | 2006-07-05 | 2007-07-20 | 삼성전자주식회사 | Apparatus method for reminding traffic signal in the handy terminal |
| CN101472147B (en) * | 2007-12-24 | 2011-04-20 | 华晶科技股份有限公司 | Method for displaying filmed image in backing photograph system |
| DE102012200721A1 (en) * | 2012-01-19 | 2013-07-25 | Robert Bosch Gmbh | Method for monitoring a vehicle environment |
| CN105459907B (en) * | 2015-12-15 | 2018-02-02 | 小米科技有限责任公司 | Vehicle security system, blind area monitoring method and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1336734A (en) * | 2000-08-02 | 2002-02-20 | 英业达股份有限公司 | Autotest means for infrared transmission device |
| US6492935B1 (en) * | 1999-09-29 | 2002-12-10 | Fujitsu Ten Limited | Peripheral monitoring sensor |
| CN2545777Y (en) * | 2002-06-17 | 2003-04-16 | 总督电子股份有限公司 | Monitoring system |
-
2003
- 2003-11-13 KR KR1020030080291A patent/KR100548420B1/en not_active IP Right Cessation
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- 2004-07-19 CN CNB2004100697939A patent/CN100364334C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6492935B1 (en) * | 1999-09-29 | 2002-12-10 | Fujitsu Ten Limited | Peripheral monitoring sensor |
| CN1336734A (en) * | 2000-08-02 | 2002-02-20 | 英业达股份有限公司 | Autotest means for infrared transmission device |
| CN2545777Y (en) * | 2002-06-17 | 2003-04-16 | 总督电子股份有限公司 | Monitoring system |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20050046258A (en) | 2005-05-18 |
| CN1617588A (en) | 2005-05-18 |
| KR100548420B1 (en) | 2006-02-02 |
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