KR101710429B1 - Numerical map revising device with improved accuracy based on GIS - Google Patents

Abstract

The present invention relates to a numerical map revision device having an accuracy improved based on GIS and, more particularly, to a numerical map revision device having an accuracy improved based on GIS and capable of obtaining a clear and high-quality captured image with camera vibration prevented even in a state where the engine of a vehicle is on and the vehicle moves or is stationary and thus the speed and convenience of an operation for obtaining image correction information for numerical map upgrade can be improved. The numerical map revision device having an accuracy improved based on GIS according to the present invention includes a numerical information collecting device for numerical information collection and a revision server for numerical map information revision. The numerical information collecting device includes an imaging assistant device for imaging, a camera for imaging terrain features, a GPS receiver obtaining location information on an imaged area, a transmitter for numerical information transmission, a control unit controlling operations of the imaging assistant device, the camera, the GPS receiver, and the transmitter, and an input unit for control signal input to the control unit. A driving device is configured to include a fixed pipe, an inner housing, a driving bar, a camera lifting and lowering power generating unit, a rotary pipe, an outer housing, a first sensor, a second sensor, a fluid injection pipe, a hydraulic pump, and a hydraulic tank.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a numerical map revising apparatus,

The present invention relates to a digital map correcting apparatus which improves the precision of the digital map technology in the field of digital map technology. For example, even when the vehicle is moving or the vehicle is stopped during stopping, vibration of the camera is prevented, The present invention relates to a digital map correction apparatus with improved accuracy based on a geometric basis that improves the speed and convenience of acquiring image correction information for upgrading a digital map.

Generally, a digital map based on image information is produced from images collected through aerial photography and ground photographing. The collected images are completed with a complete image through mutual connection between neighboring images, It is completed with a numerical map, and various GIS information is stored in the numerical map.

However, in the past, in the ground photographing, in order to update the image information about the area after taking a shot, the operator periodically visits the area, checks what kind of change has occurred in the area of the corresponding area, To acquire correction information, and to upgrade the digital map through the method.

Accordingly, in the above-described work process, the shooting position of the camera is limited and a situation in which shooting can not be attempted at various positions occurs occasionally, which makes it difficult to acquire accurate digital map information.

In order to improve this, a digital map correction system to which a geographical and geographical SF coordinates of an object has been applied has been disclosed in Korean Patent Registration No. 10-1017398 (registered on Feb. 17, 2011). However, The structure is very complicated and difficult to control, and additional lubricant supply, management, and maintenance are required, which is cumbersome and troublesome in terms of management.

For this reason, a digital map correction system for improving the precision of numerical data based on GIS (Geographic Information System) has been disclosed in Korean Patent Registration No. 10-1592003 (published on February 26, 2014).

However, in the digital map correction system for improving the precision of numerical data based on GIS, as the vibration of the vehicle is directly transmitted to the camera, the image captured due to the camera shake may not be clear Accordingly, it is necessary to stop the vehicle at the time of photographing as well as to start the vehicle. This lowers the work speed and inconveniences the work process.

Korean Registered Patent No. 10-1017398 (Announcement of Mar. 28, 2011), " Digital Map Compensation System to which Geospatial and S & Korean Registered Patent No. 10-1592003 (Announcement of Mar. 2, 2014), "Digital Map Compensation System for Improving Accuracy of Numerical Data Based on GIS"

The embodiment of the present invention can acquire sharp and high quality photographic images while preventing the camera from vibrating even when the vehicle is moving or starting up during stoppage, The present invention provides a digital map correction apparatus that improves precision based on a geosynthetics that improves convenience and the like.

The digital map correcting apparatus according to the embodiment of the present invention is an apparatus for correcting a digital map on the basis of geographical information according to an embodiment of the present invention. The apparatus includes an image capturing assistant device 100 having a camera 200 installed therein, A GPS receiver 300 installed in the photographing assisting device 100 and a camera 200 installed in the photographing assisting device 100 to output photographing information of the camera 200 and position information of the GPS receiver 300 A control unit 500 for controlling operations of the photographing assisting apparatus 100, the camera 200 and the GPS receiver 300 and the transmitter 400, a control unit 500 for inputting control signals to the control unit 500, A numerical information collecting device (A) having an input unit (600) for inputting information; And a correction server (B) for receiving photographing information and photographing area location information from the transmitter (400) and comparing the received photographing information with existing photographing information to correct the digital map information of the photographing area The image capturing assistant device according to claim 1, wherein the image capturing assistant device comprises: a driving device (120) for raising and lowering the camera (200) And a pair of rotation preventing protrusions (124a) are formed at the center of the driving bar (124) with respect to the longitudinal direction of the driving bar (124) And the driving unit 120 is formed in the form of a threaded rod 124b having a thread on the outer surface at one side in the longitudinal direction with respect to the rotation preventing protrusion 124a of the driving unit 120. In the driving unit 120, A driving bar 124 is inserted, A pair of projection guide grooves 121a are formed so that a pair of rotation preventing protrusions 124a of the driving bar 124 are inserted into the pair of projection guide grooves 121a to guide the movement of the linear section An inner housing 122 which is supported in a state in which the fixing pipe 121 is erected on the inner side and a pair of projection insertion grooves 122a are formed on the upper outer surface so as to face each other, A camera up / down power generation unit 125 including a normal / reverse rotation motor 125a installed on the lower surface of the inner housing 122 and a speed reducer 125b coupled to the drive shaft 125a-1 of the normal / (125b-1) of the speed reducer (125b) of the camera up / down power generation part (125), and a screw shaft (124b) of the driving bar A rotary pipe 126 which is coupled to rotate in conjunction with rotation of the forward / reverse rotation motor 125a, A pair of lateral gap retaining protrusions 127a are formed on the inner side surface of the inner housing 122 so as to be inserted into the pair of projection insertion grooves 122a of the inner housing 122, The pair of lateral gap retaining protrusions 127a are formed to have a width and a protrusion length that are not in contact with the inner surface of the corresponding projection insertion groove 122a with reference to a state in which the inner housing 122 is vertically erected, An outer housing 127 formed on an inner lower surface of the lower space holding protrusion 127b of the lower space maintaining protrusion 127b for spacing the lower space holding protrusion 127b from the lower surface of the outer housing 127, A first sensor 128 installed at an upper end of the outer housing 127 to transmit a corresponding signal to the control unit 500 when the inner housing 122 contacts the bottom surface of the inner housing 122, The lower side of the lateral gap retaining projection 127a A second sensor 129 installed on the first housing 128 to sense whether the fluid is in contact with the fluid and to transmit the signal to the control unit 500 when the contact of the fluid is detected, A pair of fluid injection pipes 130 installed on both sides of the outer housing 127 to communicate with the lower space of the outer housing 127 located below the first sensor 128, The control unit 500 operates under the control of the control unit 500 so that the fluid is injected into the outer housing 127 through the fluid injection pipe 130 of the pair of fluid injection pipes 130. [ And a hydraulic tank 132 for storing a fluid pumped through the pair of hydraulic pumps 131. The inner housing has an inner surface of the outer housing, And the vibration of the vehicle is not transmitted And that is characterized.

According to the embodiment of the present invention, it is possible to acquire a sharp and high-quality photographed image while preventing the camera from being vibrated even when the vehicle is moving or when the vehicle is turned on during stoppage. Thus, Speed and convenience are improved.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing an electrical configuration of a digital map correction apparatus according to an embodiment of the present invention,
FIG. 2 is a view illustrating a photographing assisting apparatus in a digital map correcting apparatus according to an embodiment of the present invention,
3 is a view illustrating an installation structure of a camera in a photographing assisting apparatus of a digital map correcting apparatus with improved accuracy based on a geographical information system according to an embodiment of the present invention;
4 is a view illustrating a driving device in a photographing assisting apparatus of a digital map correcting apparatus with improved accuracy based on a geo-ysis according to an embodiment of the present invention;
And
FIG. 5 is a block diagram illustrating an electrical configuration of a driving device in a photographing assisting apparatus of a digital map correcting apparatus with improved accuracy based on a geass number according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention. It should be understood that the various embodiments of the present invention are different, but need not be mutually exclusive. For example, certain features, structures, and characteristics described herein may be implemented in other embodiments without departing from the spirit and scope of the invention in connection with one embodiment. It is also to be understood that the position or arrangement of the individual components in each described embodiment may be varied without departing from the spirit and scope of the present invention.

The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present invention is to be limited only by the appended claims, along with the full scope of equivalents to which the claims are entitled, if properly explained. In the drawings, like reference numerals refer to the same or similar functions throughout the several views.

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiments. Also, in certain cases, there may be a term selected arbitrarily by the applicant, in which case the meaning thereof will be described in detail in the description of the corresponding invention. Therefore, the term used in the present invention should be defined based on the meaning of the term, not on the name of a simple term, but on the entire contents of the present invention.

Whenever an element is referred to as " including " an element throughout the description, it is to be understood that the element may include other elements as well, without departing from the other elements unless specifically stated otherwise. In addition, the term " "... Module " or the like means a unit for processing at least one function or operation, which may be implemented in hardware or software, or a combination of hardware and software.

1 to 5, a description will be made of a digital map correction apparatus with improved precision based on a geographical information system according to an embodiment of the present invention.

FIG. 1 is a block diagram showing an electrical configuration of a digital map correcting apparatus according to an embodiment of the present invention.

As shown in the figure, the digital map correcting apparatus according to an embodiment of the present invention includes a numerical information collecting apparatus A for collecting numerical information, a correction server B for correcting digital map information, ).

The numerical information collecting apparatus A includes a photographing assisting apparatus 100 for photographing, a camera 200 for photographing a feature, a GPS receiver 300 for acquiring position information of the photographing area, A control unit 500 for operating and controlling the photographing assistant 100, the camera 200, the GPS receiver 300 and the transmitter 400 and a control unit 500 for inputting control signals to the control unit 500 And an input unit (600).

The photographing assisting apparatus 100 of the numerical information collecting apparatus A will be described with reference to Fig.

FIG. 2 is a view illustrating an image capturing assistant device in a digital map correcting device with improved accuracy based on a geialge according to an exemplary embodiment of the present invention. As shown in FIG. 2, the image capturing assistant device 100 includes a vehicle 110, A driving device 123 for moving the camera 200 up and down and a driving bar 124 connected to the driving device 123 and to which the camera 200 is fixed. At this time, the vehicle 110 may be understood as a general vehicle that runs on the road. In addition, the driving bar 124 is formed such that a pair of rotation preventing protrusions 124a are opposed to each other at the center with respect to the longitudinal direction, and one side in the longitudinal direction of the driving bar 124, Which is in the form of a threaded rod 124b, which will be described later in the description of the drive device 123 to be described later.

A camera according to the numerical information collecting device A of Fig. 1 will be described with reference to Fig.

FIG. 3 is a view illustrating an installation structure of a camera in a photographing assisting apparatus of a digital map correcting apparatus according to an embodiment of the present invention, the accuracy of which is improved on the basis of a geographic information. As shown in FIG. 3, Fixing grooves 210 are formed on both sides so as to be seated on the turntable 220.

The turntable 220 is formed with a through hole 222 corresponding to the fixing groove 210 so that the fixing bolt 224 is fitted and then fixed to the fixing groove 210 so that the camera 200 is fixed to the turntable 220 So that it can be firmly fixed to the upper surface.

A rotary shaft 230 extending downward in a downward direction is protruded from the center of the bottom surface of the turntable 220.

The rotation shaft 230 is rotatably fixed to the upper surface of the driving bar 124 under the support of the support bearing 240.

To this end, a bearing mounting groove 250 and a shaft fixing groove 260 recessed to a certain depth are formed on the upper surface of the driving bar 124.

A driving motor 280 is fixed to the periphery of the driving bar 124 and a drive motor 280 is fixed to the driving bar 280. The drive motor 280 is fixed to the lower end of the turntable 220, The drive gear 290 is fixed to the motor shaft of the drive motor 290 and the drive gear 290 is meshed with the ring gear 270. The drive motor 280 is connected to the control unit 500 And are electrically connected and controlled.

The driving apparatus 120 according to the numerical information collecting apparatus A of Fig. 1 will be described with reference to Figs. 4 and 5. Fig.

FIG. 4 is a view illustrating a driving device in a photographing assisting apparatus of a digital map correcting apparatus with improved accuracy based on a geass number according to an embodiment of the present invention. FIG. Fig. 2 is a block diagram illustrating an electrical configuration of a driving device in an image capturing assistant device of a digital map correction device in which the accuracy is improved.

The driving device 120 includes a fixing pipe 121, an inner housing 122, a driving bar 124, a camera lifting power generating unit 125, a rotating pipe 126, an outer housing 127, And includes a first sensor 128, a second sensor 129, a fluid injection pipe 130, a hydraulic pump 131, and a hydraulic tank 132.

The fixing pipe 121 is inserted with the driving bar 124 in a state where the spiral bar 124b is penetrated and a pair of protrusion guide grooves 121a are formed along the longitudinal direction so that a pair of the driving bars 124 The rotation preventing protrusions 124a are inserted into the pair of protrusion guide grooves 121a so as to be guided by the movement of the straight line section.

In other words, as described in the description with reference to FIG. 2, the driving bar 124 is formed in a state where a pair of rotation preventing protrusions 124a face each other at the center with respect to the longitudinal direction, And one side in the longitudinal direction with respect to the support rods 124a is formed in the form of a spiral rod 124b having threads on the outer surface thereof.

The driving bar 124 is inserted into the fixing pipe 121 in such a manner that the driving bar 124 passes through the fixing bar 121 and the driving bar 124 is fixed to the fixing pipe 121 by the pair of rotation preventing protrusions 124a. And inserted into the pair of projection guide grooves 121a.

The inner housing 122 is supported in a state where the fixing pipe 121 is set on the inner side, and a pair of projection insertion grooves 122a are formed on the upper outer surface so as to face each other.

The camera raising and lowering power generating unit 125 includes a normal and reverse rotation motors 125a provided on the lower surface of the inner housing 122 and a speed reducer 125b coupled to the driving shaft 125a-1 of the normal and reverse rotation motor 125a .

The rotary pipe 126 is screwed to the spiral bar 124b of the driving bar 124 passing through the fixing pipe 121 and is screwed to the drive shaft 125b-1 of the speed reducer 125b of the camera raising and lowering power generating unit 125, And rotates in conjunction with rotation of the normal / rotation motor 125a.

The configuration of the fixed tube 121, the inner housing 122, the driving bar 124, the camera raising and lowering power generating unit 125, and the rotary tube 126 constitute the front and rear of the camera raising and lowering power generating unit 125 When the rotary motor 125a is operated and the decelerator 125b is interlocked with the rotary motor 125b, the rotary pipe 126 coupled to the driving shaft 125b-1 of the speed reducer 125b is rotated. At this time, The driving bar 124 is prevented from being rotated by the protrusion 124a and the protrusion guide groove 121a of the fixing pipe 121 so that the driving bar 124 is rotated in the vertical direction along the rotation direction of the normal / Move.

The outer housing 127 is in the form of an open top so that the inner housing 122 is received through its open top. The outer housing 127 has a pair of lateral gap retaining protrusions 127a inserted into the pair of projection insertion grooves 122a of the inner housing 122, The protrusions 127a are formed to have a width and a protrusion length that are not in contact with the inner surface of the corresponding protrusion insertion groove 122a with reference to a state in which the inner housing 122 is erected vertically. In addition, the outer housing 127 is formed on the inner bottom surface of the lower gap retaining protrusion 127b of the spacing height setting function for separating the inner housing 122 from the inner bottom surface in the upward direction.

The first sensor 128 is provided at the upper end of the lower gap holding protrusion 127b of the outer housing 127 and transmits a corresponding signal to the control unit 500 when the lower sensor contacts the bottom surface of the inner housing 122. [

The second sensor 129 is installed on the inner side surface of the outer housing 127 below the pair of lateral gap retaining protrusions 127a to detect whether the fluid is in contact with the fluid. (500).

The fluid injection pipe 130 is installed on both sides of the outer housing 127 with the first sensor 128 as a center and communicates with the lower space of the outer housing 127 located below the first sensor 128 It is a pair configuration.

Each of the hydraulic pumps 131 is operated under the control of the control unit 500 and is connected to the pair of fluid injection pipes 130 The fluid is supplied into the outer housing 127 through the corresponding fluid injection pipe 130.

The hydraulic tank 132 stores the fluid to be pumped through the pair of hydraulic pumps 131.

The inner housing 122 is configured by the above-described structure of the outer housing 127, the first sensor 128, the second sensor 129, the fluid injection pipe 130, the hydraulic pump 131 and the hydraulic tank 132, The camera 200 which is installed inside the inner housing 122 and moves up and down to perform a photographing operation is installed in the vehicle (not shown) So that the photographing operation can be performed without being affected by the vibration of the camera 110. [

The control unit 500 further operates the hydraulic pump 131 when receiving a signal from the first sensor 128 to further supply the fluid in the hydraulic tank 132 through the fluid injection pipe 130, 122 are kept spaced apart from the lower gap retaining protrusion 127b of the outer housing 127 and the first sensor 128. The control unit 500 also stops the operation of the hydraulic pump 131 according to the detection signal of the second sensor 129 and controls the amount of fluid supplied to the outer housing 127 through the fluid injection pipe 130.

1, the GPS receiver 300 is installed in the vehicle 100 of the photographing assisting device 100 and is operated and controlled by the control unit 500, and acquires positional information of the photographing area.

At this time, the GPS receiver 300 is a conventional one for acquiring the current position information of the photographing assistant 100 through the positional information from the GPS satellite (not shown), and a detailed description thereof will be omitted.

The transmitter 400 is installed in the vehicle 110 and is controlled by the control unit 500 to output photographing information of the camera 200 and position information of the GPS receiver 300 to the correction server B.

The control unit 400 is installed in the vehicle 110 and controls operation of the driving device 123, the camera 200, the GPS receiver 300 and the transmitter 400. The control unit 400 controls shooting information from the camera 200, And outputs the position information from the receiver 300 to the correction server B via the transmitter 400. [

The input unit 600 is installed in the vehicle 100 and inputs a control signal to the control unit 500 so that the control unit 500 controls the operation of each electric component.

The correction server B is installed in the vehicle 110 and receives the photographing information and the photographing area location information from the transmitter 400 and compares the photographing information obtained according to the photographing area with the existing photographing information, And corrects the numerical information.

At this time, the correction server B receives the numerical information and corrects the existing numerical information, and a detailed description thereof will be omitted.

As can be seen from the above description with reference to FIG. 1 to FIG. 5, the digital map correction apparatus with improved precision based on the gearedness according to the present invention is capable of correcting It is possible to obtain sharp and high quality photographed images while preventing the camera from being vibrated, thereby improving the working speed and convenience of the operation.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the exemplary embodiments or constructions. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Accordingly, the spirit of the present invention should not be construed as being limited to the embodiments described, and all the equivalents or equivalents of the claims, as well as the claims set forth below, fall within the scope of the present invention.

A: Numerical information collecting device B: Calibration server
100: a photography auxiliary device 110: a vehicle
120: drive device 121: fixed pipe
121a: projection guide groove 122: inner housing
122a: guide groove 123: forward and reverse rotation motor
123a: drive shaft 124: drive bar
124a: rotation preventing projection 124b: spine
125: camera raising / lowering power generation unit 125a: normal / reverse rotation motor
125a-1: drive shaft 125b: speed reducer
125b-1: drive shaft 126: rotating tube
127: outer housing 127a: lateral gap retaining projection
127b: lower gap retaining projection 128: first sensor
129: second sensor 130: fluid injection tube
131: Hydraulic pump 132: Hydraulic tank
200: camera 210: fixing groove
220: turntable 222: through hole
224: Fixing bolt 230:
240: Support bearing 250: Bearing mounting groove
260: shaft fixing groove 270: driven gear
280: drive motor 290: drive gear
300: GPS receiver 400: Transmitter
500: control unit 600: input unit

Claims (1)

A camera 200 installed in the photographing assisting device 100 for photographing a feature, a GPS receiver 300 installed in the photographing assisting device 100, A transmitter 400 installed in the photographing assisting apparatus 100 and outputting photographing information of the camera 200 and position information of the GPS receiver 300; (A) comprising a control unit (500) for operating and controlling a transmitter (300) and a transmitter (400), and an input unit (600) for inputting a control signal to the control unit (500); And a correction server (B) for receiving photographing information and photographing area location information from the transmitter (400) and comparing the received photographing information with existing photographing information to correct the digital map information of the photographing area In a digital map correction apparatus with improved precision,
The photographing assisting apparatus 100 comprises a vehicle 110, a driving apparatus 120 for raising and lowering the camera 200, a driving bar 124 connected to the driving apparatus 120 and fixed to the camera 200, , ≪ / RTI &
The driving bar 124 is formed with a pair of rotation preventing protrusions 124a facing each other at a center with respect to the longitudinal direction, In the form of a threaded rod 124b,
The driving device 120
The driving bar 124 is inserted in a state where the spiral bar 124b is penetrated and a pair of protrusion guide grooves 121a are formed along the longitudinal direction so that a pair of rotation preventing A fixing pipe 121 inserted into the pair of projection guide grooves 121a to guide the movement of the linear section;
An inner housing (122) supported in a state where the fixing pipe (121) is installed on the inner side and a pair of projection insertion grooves (122a) facing each other on the upper outer side;
The camera lifting power generating unit 125 includes a normal / reverse rotation motor 125a mounted on a lower surface of the inner housing 122 and a speed reducer 125b coupled to a drive shaft 125a-1 of the normal / );
Is screwed to the spiral bar 124b of the driving bar 124 passing through the fixing pipe 121 and is coupled to the driving shaft 125b-1 of the speed reducer 125b of the camera raising and lowering power generating unit 125 A rotary pipe 126 that rotates in conjunction with rotation of the normal / reverse rotation motor 125a;
A pair of lateral gap retaining protrusions 127a inserted into the pair of projection insertion grooves 122a of the inner housing 122 are accommodated in the opened upper portion of the inner housing 122, The pair of lateral spacing projections 127a are formed to have a width and a protrusion length that are not in contact with the inner surface of the corresponding projection insertion groove 122a with reference to a state in which the inner housing 122 is vertically erected, An outer housing 127 formed on an inner lower surface of a lower space retaining protrusion 127b of a spacing height setting function for separating the inner housing 122 from an inner bottom surface of the inner housing 122 in an upward direction;
A first sensor 128 installed at an upper end of the lower space retaining protrusion 127b of the outer housing 127 and transmitting a corresponding signal to the control unit 500 when the inner housing 122 contacts the bottom surface of the inner housing 122;
And is provided under the pair of lateral gap retaining protrusions 127a on the inner side surface of the outer housing 127 to detect whether the fluid is in contact with the fluid. A second sensor 129 for transmitting data;
A pair of fluids installed on both sides of the outer housing 127 around the first sensor 128 in a state of communicating with the lower space of the outer housing 127 located below the first sensor 128, An injection tube 130;
And a pair of fluid injection pipes 130 corresponding to the pair of fluid injection pipes 130. The pair of fluid injection pipes 130 are operated under the control of the control unit 500, A pair of hydraulic pumps 131 for supplying fluid into the outer housing 127;
And a hydraulic tank (132) in which the fluid pumped through the pair of hydraulic pumps (131) is stored,
Wherein the inner housing (122) is separated from the inner surface of the outer housing (127) by a fluid, so that the vibration of the vehicle (110) is not transmitted.

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