CN101996491A - Traffic monitoring system for labeling road section information by using video monitoring presetting bit - Google Patents
Traffic monitoring system for labeling road section information by using video monitoring presetting bit Download PDFInfo
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- CN101996491A CN101996491A CN2010102813094A CN201010281309A CN101996491A CN 101996491 A CN101996491 A CN 101996491A CN 2010102813094 A CN2010102813094 A CN 2010102813094A CN 201010281309 A CN201010281309 A CN 201010281309A CN 101996491 A CN101996491 A CN 101996491A
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Abstract
The invention discloses a traffic monitoring system for labeling road section information by using a video monitoring presetting bit. The system comprises terminal equipment arranged at a monitored crossroad, a control system and a video display device arranged in a monitoring chamber, and a transmission system; the terminal equipment comprises a cradle head with presetting bit function and a camera; the control system comprises a cradle head lens focus control unit, a presetting bit setting unit and a presetting bit calling unit; the traffic monitoring system is also provided with a road section information labeling module, wherein the road section information labeling module comprises a decoder unit, an insert character control unit, a road section information data table unit and a character insert unit; and the insert character control unit comprises an interrupt module. The system solves the technical problem that the traffic video monitoring system with presetting bit function in the prior art cannot realize quick and accurate display of related information such as names of specific road sections and the like so as to affect the monitoring personnel on monitoring the road condition information in time, and is a traffic monitoring system for automatically labeling road section character information.
Description
Technical field
The present invention relates to a kind of video monitoring system, specifically a kind of traffic surveillance and control system that utilizes the video monitoring presetting bit to come marking road section information.
Background technology
Along with the fast development in city, video monitoring system is widely applied in the monitoring of road traffic, safe city.In the monitoring of keeping a lookout of public security of the road traffic video monitoring system that has at home and abroad come into operation, safe city, it all is the video pictures that video monitoring front end equipment is collected, after being superimposed with the location address title that this camera installs, deliver to road traffic, on the display terminal of the Surveillance center that keeps a lookout of public security, understand field conditions fast for the monitor staff.
In the big city, the video acquisition terminal of road traffic, the Surveillance center that keeps a lookout of public security generally all has up to a hundred, even thousands of.When needs monitored some video pictures, the monitor staff though can know this video camera position fast, can not know the title and the orientation of this screen displayed target according to the location name literal of this video pictures stack immediately.Because most of video cameras all need to monitor a plurality of targets, so, only know that the address title of the video pictures video camera installation of current demonstration is not enough, also to know concrete title of target and orientation that the current video picture shows.Like this, when incident takes place, could judge fast shown the getting congestion or the title and the orientation of the objectives during public order incident of picture.
At present, judge the title and the orientation of video pictures display-object, general main by monitor staff's experience and memory.When camera quantity very for a long time, depend merely on monitor staff's experience and memory and can't know fast that current camera gathers target designation and the orientation in the video pictures, also just can not realize rapid reaction.Especially a lot of metropolitan traffic control centers will reflect that all the video pictures of crossing congestion situation sends TV station to, watch for road conditions reporter and vast traveler.Because the video pictures of road traffic monitoring system does not possess highway section title and orientation function that automatic mark video pictures points to, make road conditions reporter and traveler also just can't understand the highway section particular location that blocks up that video pictures shows fast.BTV is in order to address this problem, rely on editorial staff's experience and memory, just on the video pictures that part is used always, adopt human-edited's method, inserted the literal of current video picture trend, can only understand the highway section trend that the partial video picture shows for spectators, not satisfy people and think to understand fast the title of the shown target of all videos picture and the demand in orientation.
In existing video monitoring equipment, the monitor staff generally adopts the front-end equipment with presetting bit function by the watch-dog of opertaing device operating terminal for convenience.Front-end equipment with presetting bit function can store the position parameters such as level angle, vertical angle and camera lens of The Cloud Terrace under the current state in the nonvolatile memory into, can call these parameters rapidly from nonvolatile memory when needing and The Cloud Terrace and camera lens are adjusted to the position of being write down.The operator can be provided with and call presetting bit quickly and easily.The general traffic surveillance and control system with presetting bit function all comprises the watch-dog that is arranged on junction terminal and is arranged on the interior monitoring host computer of Control Room, the staff controls watch-dog such as the The Cloud Terrace and the camera at crossing by the monitoring host computer in the Control Room, makes it to adjust to predefined target location.
In Chinese patent literature CN2845059Y, a kind of combined pre-warning monitoring system is disclosed, comprise The Cloud Terrace equipment and camera, described camera is arranged on the described The Cloud Terrace equipment, described The Cloud Terrace device storage has the presetting bit setting, described presetting bit is provided for setting the monitoring position of described camera, also comprise the front end watch-dog, described front end watch-dog is connected with at least one The Cloud Terrace, described front end watch-dog is used to adjust the presetting bit setting of described The Cloud Terrace equipment, and described The Cloud Terrace equipment changes the guarded region of described camera according to adjusted described presetting bit setting.In this technical scheme, The Cloud Terrace equipment all has the presetting bit function, and when The Cloud Terrace equipment receives presetting bit when order is set, The Cloud Terrace equipment is adjusted camera, makes the camera head monitor picture transfer to the guarded region that sets in advance.Like this, just can be provided with in advance scope to be monitored by presetting bit, needs directly call when monitoring and get final product.But, the title mark is not carried out in the highway section of monitoring in this technical scheme, can not in time obtain the information in the highway section that shows in use according to video pictures, also need manually to judge, not only accuracy is not high, and increased staff's work difficulty and workload, of paramount importancely be monitor staff's can't determine fast to block up title in highway section.
Summary of the invention
For this reason, technical matters to be solved by this invention is that the traffic video monitoring system with presetting bit function of the prior art can't fast, in time show the relevant informations such as title in concrete highway section, influence the problem that the monitor staff in time monitors traffic information, thereby propose a kind ofly to utilize the video monitoring presetting bit to come the traffic surveillance and control system of marking road section information in time, fast.
For solving the problems of the technologies described above, the invention provides a kind of traffic surveillance and control system that utilizes the video monitoring presetting bit to come marking road section information, comprise the terminal device that is arranged on the monitoring crossing, be arranged on control system and video display devices and transmission system in the Control Room;
Described terminal device comprises The Cloud Terrace and the camera with presetting bit function, the setting that is connected with described The Cloud Terrace of described camera, and described The Cloud Terrace receives the steering order that described control system transmits through described transmission system and decodes, and drives described camera rotation;
Described control system comprises that The Cloud Terrace lens focus control module, presetting bit are provided with unit and presetting bit call unit, described The Cloud Terrace lens focus control module control The Cloud Terrace drives the camera rotation, and the focal length of regulating camera lens that picture is shown is complete, described presetting bit is provided with the presetting bit function that unit and described presetting bit call unit are realized described The Cloud Terrace;
It is characterized in that:
Also be provided with the road section information labeling module in the described Control Room, described road section information labeling module comprises that decoder element, insertion character control module, road section information tables of data unit and character insert the unit, described decoder element and described insertion character control module are to being connected, described insertion character control module inserts the unit with described road section information tables of data unit and described character and is connected, described character inserts the unit and is connected with described video display devices, wherein:
Described decoder element is connected with described control system by described transmission system, receive the steering order that described control system sends and decode, and the output interrupt instruction is given and is inserted the character control module;
Described road section information tables of data unit is used to store presetting bit code and corresponding road section information literal thereof;
Described character inserts the unit road section information literal that receives is inserted on the video pictures that terminal device collects, and is transferred to described video display devices then and shows;
Described insertion character control module comprises at least two interrupt modules that can call,
Character inserts interrupt module, and character insertion unit sent in the road section information literal that the presetting bit code that comprises in the transfer instruction that comes with the decoder element transmission in the road section information tables of data is complementary;
Blank character inserts interrupt module, according to the decoded instruction of decoder element character is sent in blank character and inserts the unit.
Described insertion character control module also comprises the initialization interrupt module, and presetting bit code and its corresponding highway section title are write in the described road section information tables of data.
Described road section information literal comprises highway section title literal and highway section direction literal.
Described transmission system comprises the crossing data transmission unit that is arranged on the centre data transmission unit in the Control Room and is arranged on described monitoring crossing.
A kind of traffic monitoring method of traffic surveillance and control system, it comprises the steps:
1. store presetting bit code and corresponding road section information literal thereof in the road section information tables of data unit in advance, when the position of camera need be adjusted to the target location of having set presetting bit the target highway section is monitored, described presetting bit call unit sends the presetting bit call instruction by described transmission system to described The Cloud Terrace and decoder element, after described The Cloud Terrace receives instruction, rotate to the target location immediately; After described decoder element receives the presetting bit call instruction, decode back transmission interrupt instruction to described insertion character control module, call character and insert interrupt module, insert the unit sending into character with the corresponding road section information literal of described target location code in the described road information tables of data;
2. described character inserts the unit and receives the described road section information literal that described presetting bit call unit is sent into, and with the character of described road section information literal be inserted into described camera collection to image on, deliver to video display devices by the image information of transmission system after then and show described insertion character;
3. working as described The Cloud Terrace lens focus control module controls described The Cloud Terrace and camera by described transmission system, when changing monitored object, described The Cloud Terrace lens focus control module sending controling instruction simultaneously arrives described decoder element, after described decoder element is decoded to described steering order, send interrupt instruction and insert the character control module to described character, call blank character insertion interrupt module character insertion unit sent in blank character, the Word message on the described video pictures disappears.
Described step 1. in, do not store presetting bit code and corresponding road section information literal thereof in the described road section information tables of data unit in advance, utilize described initialization interrupt module to road section information tables of data writing information, detailed process is as follows: control described The Cloud Terrace and camera rotation by The Cloud Terrace lens focus control module, adjust the lens focus of camera simultaneously, make complete the appearing in the video pictures in target location to be monitored, described presetting bit this moment is provided with the unit and sends the presetting bit instruction by described transmission system to described The Cloud Terrace, this target location is provided with the presetting bit code, described presetting bit simultaneously is provided with the unit and sends the presetting bit instruction to described decoder element, after described decoder element receives described presetting bit code, the decoding back sends interrupt instruction to described insertion character control module, thereby call the initialization interrupt module, this presetting bit code and its corresponding road section information literal are write in the described road section information tables of data.
1. or 2. in described step or 3., described transmission system is carried out data transmission by the crossing data transmission unit that is arranged on the described centre data transmission unit in the Control Room and is arranged on the monitoring crossing.
Technique scheme of the present invention has the following advantages compared to existing technology,
(1) traffic surveillance and control system that utilizes the video monitoring presetting bit to come marking road section information of the present invention comprises terminal device, control system, video display devices and transmission system, also comprise the road section information labeling module, described road section information labeling module comprises decoder element, inserts the road section information labeling module that character control module, road section information tables of data unit and character insert the unit composition; Described terminal device comprises The Cloud Terrace and the camera with presetting bit function, and described control system comprises that The Cloud Terrace lens focus control module, presetting bit are provided with unit and presetting bit call unit.When the needs monitoring has been provided with the target highway section of presetting bit, make described decoder element export the presetting bit that interrupt instruction is called described insertion character control module by the presetting bit call unit, character called in the road section information literal of this target location correspondence insert the unit, by described character insert the unit with described road section information literal be inserted into described camera collection to the picture in target highway section in; When making that by The Cloud Terrace lens focus control module the position of described The Cloud Terrace and camera changes, described decoder element sends the blank character insertion interrupt module that interrupt instruction is called described insertion character control module, make blank character send into described character and insert the unit, thereby the Word message on the described video pictures disappears.Use the presetting bit traffic surveillance and control system of automatically marking road section Word message of the present invention, when calling the presetting bit target, can mark automatically target highway section Word message, make the monitor staff when seeing target highway section picture, can see the title and the trend in highway section, road section information is come into plain view, for the monitor staff provides convenience, make it understand road section information fast, have good practical value; Simultaneously, described decoder element calls the interrupt module of described insertion character control module by the mode of interrupt instruction, makes that system response speed is fast, and commanded response is timely, when interrupt instruction takes place, system then stops the program to carry out, responds interruption, response again after need not instruction that waiting system carrying out and finishing, thereby quickened reaction velocity, realized real-time control, and modular design makes that the control system regulations are clear, be convenient to implement; In addition, described traffic surveillance and control system is provided with on the basis of presetting bit supervisory system commonly used, by being connected the road section information labeling module is set with original supervisory system main frame, when having realized presetting bit to the mark of road section information, can realize by original supervisory system, only need add the road section information labeling module, when not needing to change the supervisory system main frame, it is convenient to transform.
(2) the present invention utilizes the video monitoring presetting bit to come the traffic surveillance and control system of marking road section information, when presetting bit is carried out in the target location of required demonstration, by presetting bit the unit transmitting control commands is set, the output interrupt instruction was given described insertion character control module after described decoder element received described control command, call the initialization interrupt module of described insertion character control module, described presetting bit code and road section information literal are stored in the described road section information tables of data unit, the monitor staff can edit the highway section name information of described target location correspondence like this, after the reconstruction of highway section, can in time upgrade, make things convenient for the management of road section information data it;
(3) traffic surveillance and control system that utilizes the video monitoring presetting bit to come marking road section information of the present invention, described road section information literal comprises highway section title literal and highway section direction literal, also required road section information can be set as required, suit measures to local conditions, simple and practical.
Description of drawings
For the easier quilt of content of the present invention is clearly understood, below according to a particular embodiment of the invention and in conjunction with the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the system architecture topological diagram that utilizes the traffic surveillance and control system that the video monitoring presetting bit comes marking road section information of the present invention;
Fig. 2 is the system architecture topological diagram that utilizes the video monitoring presetting bit to come another embodiment of traffic surveillance and control system of marking road section information of the present invention;
Fig. 3 is the traffic surveillance and control system initialize routine block diagram that utilizes the video monitoring presetting bit to come marking road section information of the present invention;
Fig. 4 is that the label character of the traffic surveillance and control system that the video monitoring presetting bit comes marking road section information that utilizes of the present invention is handled main program block diagram.
Embodiment
Fig. 1 has provided the traffic surveillance and control system that utilizes the video monitoring presetting bit to come marking road section information of the present invention, comprises the terminal device that is arranged on the monitoring crossing, is arranged on control system and video display devices and transmission system in the Control Room.Described terminal device comprises The Cloud Terrace and the camera with presetting bit function; Described control system comprises that The Cloud Terrace lens focus control module, presetting bit are provided with unit and presetting bit call unit, and described control system is arranged in the monitoring host computer; Described traffic surveillance and control system also is provided with the road section information labeling module in described Control Room, described road section information labeling module comprises that decoder element, insertion character control module, road section information tables of data unit and character insert the unit; Described insertion character control module comprises two interrupt modules that can call, and interrupt module one inserts interrupt module for character and interrupt module two inserts interrupt module for blank character, calls corresponding module according to the interrupt instruction that described decoder element transmission comes.Wherein, the setting that is connected with described The Cloud Terrace of described camera, described The Cloud Terrace receives the steering order that described control system transmits through described transmission system and decodes, and drives described camera rotation; Described The Cloud Terrace lens focus control module control The Cloud Terrace drives described camera rotation, and it is complete that the lens focus of regulating described camera simultaneously makes that picture shows; Described presetting bit is provided with the presetting bit function that unit and described presetting bit call unit are realized described The Cloud Terrace; Described decoder element is connected with transmission system, receiving the steering order that described control system sends decodes, and send interrupt instruction to described insertion character control module, described decoder element is when receiving different instructions, come transmitting control commands to give described insertion character control module by the form of interrupting, thereby transfer two modules, interrupt 1, interrupt 2 for calling blank character insertion interrupt module for calling character insertion interrupt module; Store presetting bit code and corresponding road section information literal thereof in the described road section information tables of data unit; Described character inserts the unit road section information literal that receives is inserted on the video pictures that terminal device collects, and is transferred to described video display devices then and shows.In described insertion character control module, the road section information literal that described character insertion interrupt module is complementary the presetting bit code that comprises in the transfer instruction that comes with the decoder element transmission in the road section information tables of data unit is sent into character and is inserted the unit; Described blank character inserts interrupt module and according to the decoded instruction of decoder element character insertion unit is sent in blank character.
In the present embodiment, described road section information literal comprises that highway section title literal and highway section move towards literal, and the Word message of landmark building etc. also can be set as required.
The described traffic surveillance and control system that utilizes the video monitoring presetting bit to come marking road section information of present embodiment, its course of work is as follows:
1. in described road section information tables of data, store presetting bit code and its corresponding highway section Word message in advance, when the position of camera need be adjusted to the target location of having set presetting bit the target highway section is monitored, described presetting bit call unit sends the presetting bit call instruction by described transmission system to described The Cloud Terrace and decoder element, after described The Cloud Terrace receives the instruction of described presetting bit call unit, rotate to the target location immediately; After described decoder element receives the presetting bit call instruction, the decoding back sends interrupt instruction to described insertion character control module, call character and insert interrupt module, insert the unit sending into character with the corresponding road section information literal of described target location code in the described road information tables of data;
2. described character inserts the unit and receives the described road section information literal that described presetting bit call unit is sent into, and with the character of described road section information literal be inserted into described camera collection to image on, deliver to video display devices by the image information of transmission system after then and show described insertion character;
3. working as described The Cloud Terrace lens focus control module controls described The Cloud Terrace and camera by described transmission system, when changing monitored object, described The Cloud Terrace lens focus control module sending controling instruction simultaneously arrives described decoder element, after described decoder element is decoded to described steering order, send interrupt instruction to described insertion character control module, call blank character and insert interrupt module, character sent in blank character insert the unit, the Word message on the described video pictures disappears.
Embodiment 2
As present embodiment can conversion embodiment, described insertion character control module also comprises interrupt module three initialization modules, so can be in advance not to any data of described road section information tables of data stored, but carry out the input of data by described initialization module, when presetting bit is provided with, for the ease of showing, in Control Room, be provided with the initialization interface.In addition, described transmission system comprises the crossing data transmission unit that is arranged on the centre data transmission unit in the Control Room and is arranged on described monitoring crossing, as shown in Figure 2.
Present embodiment is described to utilize the course of work of video monitoring system of presetting bit marking road section information as follows:
1. control described The Cloud Terrace and camera rotation by The Cloud Terrace lens focus control module, make complete the appearing in the video pictures in target location to be monitored, simultaneously the lens focus of described camera is regulated, after making that camera position is adjusted, the image of being gathered can be presented on the described video display devices clearly, described presetting bit this moment is provided with the unit and sends the presetting bit instruction by centre data transmission unit that is arranged on Control Room and the crossing data transmission unit that is arranged on the monitoring crossing to described The Cloud Terrace, this target location is provided with the presetting bit code, described presetting bit simultaneously is provided with the unit and sends the presetting bit instruction to described decoder element, after described decoder element receives described presetting bit code, output interrupts giving described insertion character control module, thereby call the initialization interrupt module, this presetting bit code and its corresponding road section information literal are write in the described road section information tables of data, can come input data information by the mode that ejects the initialization interface herein;
2. when the position of camera need be adjusted to the target location of having set presetting bit the target highway section is monitored, described presetting bit call unit sends the presetting bit call instruction by centre data transmission unit that is arranged on Control Room and the crossing data transmission unit that is arranged on the monitoring crossing to described The Cloud Terrace and decoder element, after described The Cloud Terrace receives the instruction of described presetting bit call unit, rotate to the target location immediately; After described decoder element receives the presetting bit call instruction, output interrupts giving described insertion character control module, call character and insert interrupt module, insert the unit sending into character with the corresponding road section information literal of described target location code in the described road information tables of data;
3. described character inserts the unit and receives the described road section information literal that described presetting bit call unit is sent into, and with the character of described road section information literal be inserted into described camera collection to image on, deliver to video display devices by the image information of transmission system after then and show described insertion character;
4. working as described The Cloud Terrace lens focus control module controls described The Cloud Terrace and camera by centre data transmission unit that is arranged on Control Room and the crossing data transmission unit that is arranged on the monitoring crossing, when changing monitored object, by the lens focus control module lens focus of described camera is regulated, make the image of being gathered to be presented on the described video display devices clearly, described The Cloud Terrace lens focus control module arrives described decoder element by centre data transmission unit that is arranged on Control Room and the crossing data transmission unit sending controling instruction that is arranged on the monitoring crossing simultaneously, after described decoder element is decoded to described steering order, output is interrupted described character and is inserted the character control module, call blank character and insert interrupt module, character sent in blank character insert the unit, the Word message on the described video pictures disappears.
For the ease of understanding technical solutions according to the invention better, the terminal device of selected below official garden bridge circuit mouth carries out automatically marking road section information and presetting bit setting to it, and its concrete implementation process is as follows:
Suppose the video frequency terminal apparatus that selects official garden bridge circuit mouth, require south, north to the West 2nd Ring Road, the picture of 8 targets such as safety main road and Chegongzhuang Dajie carries out title, the orientation literal marks automatically.
1. initialization procedure
The monitor staff adjusts the position of described The Cloud Terrace by The Cloud Terrace lens focus control module in Surveillance center, adjust the angle of camera, simultaneously the focal length of camera lens is regulated, when the crossing, target Xizhimen that will monitor intactly appears in the video pictures, the monitor staff becomes presetting bit code 01 by the presetting bit call unit with this Target Setting; And the output data form is that the data of S01 are to junction terminal equipment; The decoder element of junction terminal is when receiving the S01 formatted data simultaneously, send immediately and interrupt 1 request instruction, the system master routine of making enters and interrupts 1, call module one initialization module that inserts the character control module, this presetting bit code 01 is write in the target azimuth name data table automatically, and target azimuth name data table ejected on the initialization interface of Surveillance center, after pointing out the literal of the target of monitor staff with correspondence " Xizhimen " and orientation " north " literal to write in the target azimuth name data table simultaneously, with the complement mark set.
In like manner title, orientation and the presetting bit code with all the other 7 targets writes in the target azimuth name data table successively.
Table 1 target azimuth name data table
| The presetting bit code | Target designation | The orientation |
| 01 | Xizhimen | North |
| 02 | Official's bridge | North |
| 03 | The Ping'an Street | East |
| 04 | Bank of Communications | East |
| 05 | The Temple of Moon bridge | South |
| 06 | The Temple of Moon north bridge | South |
| 07 | The printing house | The west |
| 08 | Gift scholar crossing | The west |
So far, initialization procedure finishes.
2. label character processing procedure
When the monitor staff in Surveillance center by the presetting bit call unit when to call presetting bit be 01 target, as long as when system is in presetting bit and calls state, input presetting bit code 01, system's master routine makes an immediate response and interrupts 2; Perhaps the monitor staff is directly on the operating terminal interface, and clicking needs the target that monitors in the target azimuth name data table, and system's master routine makes an immediate response and interrupts 2.The module two of described insertion character control module is called in interruption 2, the presetting bit code D01 that is associated is dealt into the crossing surveillance equipment, make it point to " Xizhimen " target immediately, and character called in monitored object " Xizhimen " and orientation " north " literal insert the unit, generation has the video pictures of " Xizhimen " literal and orientation " north " literal, has realized the function of automatic mark target designation, orientation literal.
When the monitor staff passes through The Cloud Terrace lens focus control module in Surveillance center, send when changing current camera position or camera lens instruction, system's master routine makes an immediate response and interrupts 3, call the module three of described insertion character control module, character called in blank character insert the unit, generation does not have the video pictures of target designation literal and orientation literal, has guaranteed to change in video camera or lens focus position when causing being monitored target and changing, and the video pictures literal can disappear immediately.Said process as shown in Figure 3, Figure 4.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change are still among the protection domain of the invention.
Claims (7)
1. traffic surveillance and control system that utilizes the video monitoring presetting bit to come marking road section information comprises the terminal device that is arranged on the monitoring crossing, is arranged on control system and video display devices and transmission system in the Control Room;
Described terminal device comprises The Cloud Terrace and the camera with presetting bit function, the setting that is connected with described The Cloud Terrace of described camera, and described The Cloud Terrace receives the steering order that described control system transmits through described transmission system and decodes, and drives described camera rotation;
Described control system comprises that The Cloud Terrace lens focus control module, presetting bit are provided with unit and presetting bit call unit, described The Cloud Terrace lens focus control module control The Cloud Terrace drives the camera rotation, and the focal length of regulating camera lens that picture is shown is complete, described presetting bit is provided with the presetting bit function that unit and described presetting bit call unit are realized described The Cloud Terrace;
It is characterized in that:
Also be provided with the road section information labeling module in the described Control Room, described road section information labeling module comprises that decoder element, insertion character control module, road section information tables of data unit and character insert the unit, described decoder element is connected with described insertion character control module, described insertion character control module inserts the unit with described road section information tables of data unit and described character and is connected, described character inserts the unit and is connected with described video display devices, wherein:
Described decoder element is connected with described control system by described transmission system, receive the steering order that described control system sends and decode, and the output interrupt instruction is given and is inserted the character control module;
Described road section information tables of data unit is used to store presetting bit code and corresponding road section information literal thereof;
Described character inserts the unit road section information literal that receives is inserted on the video pictures that terminal device collects, and is transferred to described video display devices then and shows;
Described insertion character control module comprises at least two interrupt modules that can call,
Character inserts interrupt module, and character insertion unit sent in the road section information literal that the presetting bit code that comprises in the transfer instruction that comes with the decoder element transmission in the road section information tables of data is complementary;
Blank character inserts interrupt module, according to the decoded instruction of decoder element character is sent in blank character and inserts the unit.
2. the traffic surveillance and control system that utilizes the video monitoring presetting bit to come marking road section information according to claim 1, it is characterized in that: described insertion character control module also comprises the initialization interrupt module, and presetting bit code and its corresponding highway section title are write in the described road section information tables of data.
3. the traffic surveillance and control system that utilizes the video monitoring presetting bit to come marking road section information according to claim 1 and 2 is characterized in that: described road section information literal comprises highway section title literal and highway section direction literal.
4. the traffic surveillance and control system that utilizes the video monitoring presetting bit to come marking road section information according to claim 3 is characterized in that: described transmission system comprises the crossing data transmission unit that is arranged on the centre data transmission unit in the Control Room and is arranged on described monitoring crossing.
5. one kind is used the described traffic monitoring method of utilizing the traffic surveillance and control system that the video monitoring presetting bit comes marking road section information of claim 1, and it comprises the steps:
1. in road section information tables of data unit, store presetting bit code and corresponding road section information literal thereof, when the position of camera need be adjusted to the target location of having set presetting bit the target highway section is monitored, described presetting bit call unit sends the presetting bit call instruction by described transmission system to described The Cloud Terrace and decoder element, after described The Cloud Terrace receives instruction, rotate to the target location immediately; After described decoder element receives the presetting bit call instruction, decode back transmission interrupt instruction to described insertion character control module, call character and insert interrupt module, insert the unit sending into character with the corresponding road section information literal of described target location code in the described road information tables of data;
2. described character inserts the unit and receives the described road section information literal that described presetting bit call unit is sent into, and with the character of described road section information literal be inserted into described camera collection to image on, deliver to video display devices by the image information of transmission system after then and show described insertion character;
3. working as described The Cloud Terrace lens focus control module controls described The Cloud Terrace and camera by described transmission system, when changing monitored object, described The Cloud Terrace lens focus control module sending controling instruction simultaneously arrives described decoder element, after described decoder element is decoded to described steering order, send interrupt instruction and insert the character control module to described character, call blank character insertion interrupt module character insertion unit sent in blank character, the Word message on the described video pictures disappears.
6. traffic monitoring method according to claim 5, it is characterized in that, described step 1. in, do not store presetting bit code and corresponding road section information literal thereof in the described road section information tables of data unit in advance, utilize described initialization interrupt module to road section information tables of data writing information, detailed process is as follows: control described The Cloud Terrace and camera rotation by The Cloud Terrace lens focus control module, adjust the lens focus of camera simultaneously, make complete the appearing in the video pictures in target location to be monitored, described presetting bit this moment is provided with the unit and sends the presetting bit instruction by described transmission system to described The Cloud Terrace, this target location is provided with the presetting bit code, described presetting bit simultaneously is provided with the unit and sends the presetting bit instruction to described decoder element, after described decoder element receives described presetting bit code, the decoding back sends interrupt instruction to described insertion character control module, thereby call the initialization interrupt module, this presetting bit code and its corresponding road section information literal are write in the described road section information tables of data.
7. traffic monitoring method according to claim 6, it is characterized in that, 1. or 2. in described step or 3., described transmission system is carried out data transmission by the crossing data transmission unit that is arranged on the described centre data transmission unit in the Control Room and is arranged on the monitoring crossing.
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| CN2010102813094A CN101996491B (en) | 2010-09-13 | 2010-09-13 | Traffic monitoring system for labeling road section information by using video monitoring presetting bit |
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| CN2010102813094A CN101996491B (en) | 2010-09-13 | 2010-09-13 | Traffic monitoring system for labeling road section information by using video monitoring presetting bit |
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| CN111986294A (en) * | 2020-08-21 | 2020-11-24 | 北京浦泰锐迅技术有限公司 | Method and system for overlaying contents on screen of electronic viewing telescope |
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