KR102668541B1 - Digital map production system for updating roadside facility using gnss and image information - Google Patents

Abstract

The present invention relates to a digital map production system, and more specifically, to a correction computer installed on a vehicle running on the street and receiving shooting information, camera position information, and camera attitude information, and an existing digital map using data from the correction computer. It is characterized by including a GIS server that can update the road infrastructure using GNSS information and image information that can reliably update the data related to the road infrastructure in the digital topographic map according to changes in the road infrastructure. It is about a digital map production system that can update.

Description

Digital map production system that can update roadside facilities using GNSS information and image information {DIGITAL MAP PRODUCTION SYSTEM FOR UPDATING ROADSIDE FACILITY USING GNSS AND IMAGE INFORMATION}

The present invention relates to a digital map production system, and more specifically, to a digital map production system that can update facilities around roads using GNSS information and image information.

In general, a digital map refers to a map that expresses the geographical and topographical content to be expressed in numbers, such as a chart showing the water depth in numbers, a topographic map showing the relief of the terrain, etc. there is. In other words, a digital map expresses the geographical/topographical characteristics of a specific point as numerical information and applies it to a drawn image.

The process of building a numerical map is completed through several processes as follows. First, the paper map becomes a digital map through digitizing or scanning, and then goes through procedures to correct various input errors.

Subsequently, through coordinate transformation, the coordinate system is converted to an actual coordinate system to suit the user's purpose, and then a topological structure is established to determine the mutual location and correlation between spatial objects. Afterwards, attribute data related to each geometrical data are entered into the numerical map whose topological structure has been established.

At this time, the above-mentioned attribute data includes various identifier information, and as an example, a feature electronic identifier (UFID: Unique Feature Identifier) is used as an identifier for a feature in a digital map of the National Geographic Information Institute, which is used for a feature. It is a single identifier that represents the assigned location information, management agency, other attribute information, etc. and is uniquely assigned to a geographical feature. It is composed of an organization code, map number, geographical feature identification code, and serial number field, and is used to manage the geographical feature, It is used as an identifier for linking with other geographic information or cross-referencing between geographical features for search and utilization.

The digital maps produced in this way enable faster and more accurate map searches than paper maps, and are superior in terms of information management and usability, allowing them to more effectively support various planning and decision-making.

In a digital map, the numerical spatial information about the relevant point must be accurately applied to the drawn image so that the user can easily obtain geographical and topographical information while looking at the map, and the drawn image must also be accurately depicted according to the spatial information.

This spatial information may be a GNSS coordinate value or a coordinate value according to the administrative district unit of the cadastral map. The GNSS coordinate value and the coordinate value of the cadastral map must correspond to each other and must be accurately marked at the corresponding location on the digital map. do. In the following, numerical information such as GNSS coordinates, cadastral map coordinates, and various data measured/collected at actual points are collectively referred to as spatial information.

However, since the drawings created by conventional digital mapping systems are input by reading aerial photos, satellite images, and images acquired through vehicles, it is difficult to guarantee the accuracy of the geographical features in the drawings, and accordingly, the accuracy assigned to each geographical feature is difficult. There is also a problem in ensuring the accuracy of attribute data.

For this reason, digital map producers are producing more accurate digital maps through the process of the digital map generation method described in FIG. 1 in order to ensure the accuracy of the digital maps.

Figure 1 is a flowchart for explaining a typical conventional digital map production process.

As shown, the digital map maker prints the drawings created through digitizing or scanning, such as survey maps, aerial photos, satellite images, and roadside images acquired through MMS vehicles, on paper (S10), and maps the corresponding area of the printed drawings. Conduct field investigation (S20).

Here, in the above-mentioned field investigation, it is determined whether various artificial features and natural terrain such as buildings, roads (paved, unpaved), railroads, parks, rivers, mountains, rice paddies, and fields shown in the drawing printed in the actual location actually exist, or Directly check whether the size, direction, and shape of artificial features and natural terrain located in the actual location are accurately indicated in the drawing, and if any differences are found, correct them manually in the drawing.

In addition, attribute data such as the name, name, and basic information (number of floors of a building, width of a road or river, etc.) of the relevant artificial feature or natural terrain are manually marked at the corresponding location on the drawing.

Once the marking of the artificial features and natural terrain incorrectly depicted in the drawing and the attribute data of each artificial feature and natural terrain is completed through field investigation, the above change information and information are added to the drawing initially created through computerization using the marked drawing. By displaying attribute data and correcting and supplementing the drawing and map input results, in-place editing is performed to identify the geographical correlation of landforms and features (S30).

Next, the terrain and features edited through the above-mentioned in-position editing are organized into geometric shapes, and the necessary objects are points, lines, and surfaces defined by the National Geographic Information Institute as models of point, line, and network area division, or geometric models combining them. Based on the morphology, structured editing is performed by manually marking and editing each corresponding artificial feature and natural terrain through computerization (S40). At this time, in the structured editing described above, the attribute data displayed on the drawing is edited in a hidden (stored rather than displayed on the screen) state.

Once structured editing is completed, the digital map is produced and printed using a software program provided by the National Geographic Information Institute and provided to the National Geographic Information Institute that produced/requested the digital map (S50). At this time, the software program is a program that changes the structured edited drawing into a defined form, and is usually a known program provided by the National Geographic Information Institute.

Meanwhile, the exact location and specifications of road infrastructure must be confirmed, and the collected location information must be included in the digital topographic map. In order to effectively manage road infrastructure, facility management systems such as road management systems and pavement management systems are being developed and operated.

However, in order to use it as data for life cycle cost analysis, it is necessary to build a database for detailed items. In addition, based on the DB constructed in this way, the production of the above-mentioned digital topographic map is also required to facilitate visual search and analysis.

Moreover, since the facilities in the facility information data stored in the DB are discarded and rebuilt and installed after a certain period of time, the facility information data must be updated periodically. Therefore, such data update technology is urgently needed.

The matters described as background technology above are only for the purpose of improving understanding of the background of the present invention, and should not be taken as recognition that they correspond to prior art already known to those skilled in the art.

The present invention is intended to solve the problems of the prior art described above, and is intended to solve the problems of road infrastructure by using GNSS information and image information that can reliably update related data on road infrastructure in a digital topographic map according to changes in road infrastructure. The purpose is to provide a digital map production system that can be updated.

Another purpose of the present invention is to provide a digital map production system that can update nearby road facilities using GNSS information and image information that can improve the data collection accuracy of cameras.

The technical problems to be achieved by the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned can be clearly understood by those skilled in the art from the description of the present invention. .

The configuration of the present invention for achieving the above object includes a correction computer installed in a vehicle traveling on the street and receiving shooting information, camera position information, and camera posture information; and a GIS server that can update existing digital maps using data from a calibration computer; It is characterized by including.

In the digital map production system that can update roadside facilities using GNSS information and image information according to an embodiment of the present invention, the GIS server provides detailed information including the name, location, and specifications of road infrastructure as information data. A facility DB that stores and sets a unique code in the same format as the government office system to identify specific information corresponding to each road infrastructure; Digital terrain DB that stores digital terrain images including GNSS information, cadastral edited map images drawn based on digital terrain images, and map images drawn based on digital terrain images as map data; Data by location is collected from the calibration computer as first facility data, and specific information on each road infrastructure is collected as second facility data from the government office system where specific information on each road infrastructure categorized by unique code is stored, and the digital topographic map management agency The digital topographic map is collected as third facility data from the system, but the second facility data is limited to data on updated road infrastructure, and the first and third facility data of the correction computer and digital topography management agency system are second facility data. A data collection module that is a raw image and digital terrain image that extracts only the area within a certain distance from the outermost edge of the updated road infrastructure; Information data corresponding to the facility data collected by the data collection module is searched in the facility DB based on a unique code. When differences are confirmed by comparing the searched facility data and information data, the information data is confirmed as information data subject to update. Search the digital terrain DB for map data including digital terrain images, cadastral map images, and map images related to road infrastructure that have been confirmed as information data subject to update. If it is confirmed that the road infrastructure subject to update is a road through verification of the unique code, , the digital terrain image is processed so that the brightness can be confirmed by coloring, and converted into a light and dark image. The brightness within the standard range in the light and dark image is considered to be the same brightness, and a section image determined to be the same section of road is created, and the brightness is changed to a paved road, An update target confirmation module that classifies the grades as unpaved roads and new paved roads and checks whether the road section is a paved road and whether it is a new paved road according to the brightness of the light and dark image; The information by unique code of the information data subject to update confirmed in the update target confirmation module is updated in batches with the information by the same unique code of the corresponding facility data, and the road infrastructure subject to update is additionally updated by showing it on the map image, through unique code confirmation. If it is confirmed that the road infrastructure subject to update is a road, the unique code of other roads connected to the road infrastructure subject to update is checked in the specific information of the relevant facility data, the location of other roads in the map image is confirmed, and the road infrastructure subject to update is confirmed. An update processing module that additionally updates the facility by depicting it as the shortest course that does not encroach on the nearby area indicated in the cadastral map image; A reporting module that outputs the facility data collected by the data collection module and the information data retrieved from the facility DB and digital terrain DB by the update target confirmation module to a designated terminal, respectively, and allows the update processing module to be executed; and a map module that edits the map image according to the update processing of the update processing module and outputs it to a designated terminal. It is desirable to include.

In the digital map production system that can update roadside facilities using GNSS information and image information according to an embodiment of the present invention, the correction computer includes a first vertical support and a first vertical support installed upright on the upper surface of a movable vehicle. 2vertical support; An absorption connection unit connecting the first vertical support and the second vertical support and cushioning the shock transmitted to the first vertical support and the second vertical support; A horizontal supporter installed horizontally on top of the first vertical supporter and the second vertical supporter; A detachable fastening part mounted on the upper part of the horizontal support; A shielding part coupled to the upper part of the detachable fastening part; and a camera accommodated inside the shielding unit; It is desirable to include.

In the digital map production system capable of updating roadside facilities using GNSS information and image information according to an embodiment of the present invention, the absorption connection unit is an absorption connection unit disposed between the first vertical support and the second vertical support. base part; A pair of first connection parts that are detachably coupled to both sides of the absorption base and have variable lengths; a pair of second connectors each detachably coupled to the pair of first connectors; and a pair of column brackets, one side of which is detachably coupled to a pair of second connectors, and the other side of which is detachably coupled to the first vertical support and the second vertical support. It is desirable to include.

In the digital map production system capable of updating roadside facilities using GNSS information and image information according to an embodiment of the present invention, the absorption base unit includes a pair of absorption base plates spaced apart from each other; A fastening lever for fastening a pair of absorption base plates; and a pair of connector parts, one side of which is rotatably coupled to a pair of absorbent base plates, and the other side of which is detachably coupled to the first connection part; It is desirable to include.

In the digital map production system that can update roadside facilities using GNSS information and image information according to an embodiment of the present invention, the absorption connector unit is a connector ball rotatably supported in a plate hole provided in a pair of absorption base plates. ; A connector rod provided on one side of the connector ball; A connector head provided on the connector rod; And a connector bolt provided on the connector head and detachably coupled to the first connection part; It is desirable to include.

In the digital map production system capable of updating roadside facilities using GNSS information and image information according to an embodiment of the present invention, the first connection part includes a first connection body that is detachably coupled to a connector bolt; A connection spring member provided inside the first connection body; and a first connection bar, one side of which is supported by a connection spring member, and the other side of which is detachably coupled to the second connection part; It is desirable to include.

In the digital map production system that can update roadside facilities using GNSS information and image information according to an embodiment of the present invention, when an impact is applied to any one of the first and second vertical supports adjacent to each other, the connector It is preferable that the absorption base is rotated by the ball and the first connection bar is moved from the first connection body to reduce impact.

In the digital map production system that can update roadside facilities using GNSS information and image information according to an embodiment of the present invention, the detachable fastening part is a detachable case that is coupled to the upper part of the horizontal support and has a receiving space therein. ; A detachable depression formed in the upper surface based on the accommodation space of the detachable case; A detachment motor coupled to the inner top of the detachment depression; A detachment gear that is coupled to the lower part of the detachment motor and can rotate horizontally according to the operation of the detachment motor; A detachment spring coupled to the lower part of the detachment gear; A detachable lifting part coupled to the lower part of the detachable spring and capable of moving up and down by the elastic restoring force of the detachable spring; A detachable insertion portion that can be inserted and fastened into the receiving space of the detachable case; and an elevating entry part that is recessed in the lower surface of the detachable insertion part and allows the detachable elevating part to descend and enter. It is desirable to include.

In the digital map production system that can update facilities around the road using GNSS information and image information according to an embodiment of the present invention, a detachment stopper is further coupled to the inner front of the detachable elevator entry portion, and the detachable stopper is attached to the elevator entry portion. It is preferable to include a detachment slope disposed at a predetermined inclination angle from the inner upper end and a detachment height surface disposed below the detachment slope and perpendicular to the bottom surface of the elevating entrance and contacting the entered elevating and detaching part.

In the digital map production system that can update roadside facilities using GNSS information and image information according to an embodiment of the present invention, the shielding unit includes a base body in which an open area is formed coupled to the upper part of the detachable fastening part; a base shielding body provided on the upper part of the base body and covering the open area of the base body; A first shielding body provided to be lifted and lowered on the base shielding body and covering the open area of the lower part of the base shielding body; a second shielding body that is raised and lowered on the first shielding body and covers the open area of the lower part of the first shielding body; and a shielding drive unit whose one side is coupled to the base shielding body and the other side is coupled to the second shielding body to elevate and lower the first shielding body and the second shielding body; It is desirable to include.

In the digital map production system capable of updating roadside facilities using GNSS information and image information according to an embodiment of the present invention, the shielding drive unit includes a cylinder body provided on an upper part of the base shielding body; A cylinder rod whose one side is connected to the cylinder body and expands and contracts; A cylinder bracket coupled to the end of the cylinder rod; A shield connection unit that is coupled to one side of the cylinder bracket and is raised and lowered together with the cylinder rod; A lifting guide bar with one end coupled to the base shielding body and the other side penetrating the base support plate coupled to the base shielding body and coupled to the first support plate of the first shielding body; A lifting connection body that connects the shield connection unit and the lifting guide bar to elevate the shield connection unit and the lifting guide bar together and is disposed inside the lifting guide bar; A lower lifting bar with one side coupled to the lifting guide bar and the other side coupled to the second shielding body to be lifted and lowered together with the lifting guide bar; and a lower stopper provided on the lower lifting bar to limit the rising height of the lower lifting bar. It is desirable to include.

The present invention, which has the above configuration, has the effect of updating the road infrastructure in the digital topographic map according to changes in the road infrastructure so that users can trust it.

In addition, the present invention can prevent the camera from shaking from external shock or vibration, thereby further improving the data collection accuracy of the camera.

The attached drawings are intended as reference for understanding the technical idea of the present invention, and are not intended to limit the scope of the present invention.
Figure 1 is a flowchart illustrating a typical conventional digital map production process.
Figure 2 is a block diagram showing each configuration of a digital map production system that can update facilities around roads using GNSS information and image information according to an embodiment of the present invention.
Figure 3 is a flowchart showing a method of operating a digital map production system according to an embodiment of the present invention.
Figure 4 is a diagram illustrating a digital terrain image of a road infrastructure location area to be updated collected by a data collection module according to an embodiment of the present invention.
Figure 5 is a digital terrain image showing an enlarged view of part 'A' in Figure 4.
Figure 6 is a diagram showing a digital terrain image of the position of the digital terrain image in the digital terrain image of the information data held by the digital map production system according to an embodiment of the present invention.
Figure 7 is an image showing the update target confirmation module according to an embodiment of the present invention converting the digital terrain image of information data to determine road conditions.
Figure 8 is a diagram showing the light and dark image of Figure 7 converted into a section image.
Figure 9 is a diagram showing an intelligent editing diagram of the location of a digital terrain image in information data held by a digital map production system according to an embodiment of the present invention.
Figure 10 is a diagram showing the updating of a map image and a captured image of an actual point through a digital map production system according to an embodiment of the present invention.
Figure 11 is a diagram showing a specific appearance of a correction computer according to an embodiment of the present invention.
Figure 12 is a view showing each part of the absorption connection unit disassembled according to an embodiment of the present invention.
Figure 13 is a diagram schematically showing the absorption connection unit combined according to an embodiment of the present invention.
Figure 14 is a cross-sectional view of a detachable fastening portion according to an embodiment of the present invention.
Figure 15 is a diagram showing the overall appearance of the shielding portion according to an embodiment of the present invention.
Figure 16 is a view showing the rear of the shield according to an embodiment of the present invention.
Figure 17 is a diagram showing the operation of the first shielding body and the second shielding body being lowered according to an embodiment of the present invention.

Hereinafter, based on the attached drawings, the present invention will be described in detail so that those skilled in the art can easily practice it. However, the present invention may be implemented in many different forms and is not limited to the embodiments described herein.

In order to clearly explain the present invention, parts that are not relevant to the description are omitted, and identical or similar components are given the same reference numerals throughout the specification.

In addition, terms or words used in this specification and patent claims should not be construed as limited to their usual or dictionary meanings, and the inventor must appropriately use the concept of terms to explain his or her invention in the best way. It must be interpreted as meaning and concept consistent with the technical idea of the present invention based on the principle of definability.

Figure 2 is a block diagram showing each configuration of a digital map production system that can update facilities around roads using GNSS information and image information according to an embodiment of the present invention.

As shown, the digital map production system according to the present invention includes a correction computer 100 that is installed on a vehicle (V) running on the street and receives shooting information, camera position information, and camera posture information, and data from the correction computer. It includes a GIS server 200 that can update the existing digital map through a.

The GIS server 200 includes a facility DB 210 that stores information data on road infrastructure, a digital topography DB 220 that stores data on digital topography maps, and a data collection module that receives facility data ( 230) and the facility data received from the data collection module 230 are compared with the information data of the facility DB 210 to confirm the information data to be updated and to search for the corresponding map data in the digital terrain DB 220. A confirmation module 240, an update processing module 250 that updates the information data and map data subject to update, and a reporting module 260 that automatically generates and outputs a list related to road infrastructure corresponding to the updated information data. ) and a map module 270 that edits and outputs the corresponding map image according to the update processing of the update processing module 250. Here, the map image is drawn based on a digital terrain image.

The facility DB 210 stores and manages information data consisting of information about the name, object, purpose, location, specifications, and facility history of roads, bridges, tunnels, parks, and other infrastructure facilities.

The digital terrain DB 220 stores and manages map data related to road infrastructure linked to information data. The map module 270 edits and outputs the corresponding map image according to the update processing of the update processing module 250.

The data collection module 230 communicates with the correction computer 100 that collects raw images by location, the government office system that manages road infrastructure, and the digital topographic map management agency system that produces or manages digital topographic maps, and collects facilities stored in the DB. Search and collect data. In addition, the systems of organizations that manage information on road infrastructure can be diverse.

The update target confirmation module 240 compares the facility data received from the data collection module 230 with the information data in the facility DB 210 to confirm the information data subject to update, and stores map data related to the information data in a digital terrain database ( 220).

To explain this in more detail, the update target confirmation module 240 checks the name or unique code of the relevant road infrastructure from the facility data, and searches the information data of the facility DB 210 based on this.

The facility data and information data confirmed and searched in this way are identified, the information of the relevant road infrastructure is compared, and any differences are checked. If a difference is confirmed, the corresponding information data is confirmed as information data subject to update. Additionally, the update target confirmation module 240 searches the digital terrain DB 220 for map data related to the road infrastructure identified as update target information data.

The update processing module 250 updates the information data and map data that are subject to update.

The reporting module 260 automatically generates a list related to road infrastructure corresponding to the updated information data, and outputs the list to a designated terminal so that workers can check the list.

The map module 270 edits the map image of the map data updated by the update processing module 250 so that the operator can check it, and outputs it through a designated terminal.

Figure 3 is a flow chart showing the operation method of the digital map production system according to an embodiment of the present invention, and Figure 4 is a numerical value of the road infrastructure location area to be updated collected by the data collection module according to an embodiment of the present invention. It is a terrain image and a drawing showing it, and Figure 5 is a digital terrain image showing an enlarged view of part 'A' in Figure 4.

S10; Data collection steps

The data collection module 230 in this implementation collects facility data related to road infrastructure.

As described above, the data collection module 230 collects facility data from the correction computer 100, a government office system that manages road infrastructure, a digital topographic map management agency system that produces or manages digital topographic maps, and in addition to road Institutional systems that manage information about infrastructure may vary.

The data collection module 230 of this implementation periodically connects to the DB and collects when the facility data in the DB is updated and the data version changes.

For reference, since the facility data on road infrastructure is relatively large, the relevant organization creates and manages road infrastructure-related information by dividing it by region. Therefore, the data collection module 230 checks the version of each classified data and extracts and collects only the data in the area where the version has been changed.

In this embodiment, the data collection module 230 records the new construction of 'Buheung Bridge' in 'Bukan Stream' located in 'Bukan-myeon, Yeongcheon-si, Gyeongsangbuk-do' from the government office system that manages road infrastructure and the formation along the edge of 'Bukan Stream'. Records of the maintenance work on shoulder roads 1, 2, 3, and 4 (see Figure 5) connected to 'Buheung Bridge' are collected as facility data with updated data versions, and the fact of road paving work for vehicle traffic to 'Buheung Bridge' is collected. Records are also collected as facility data. The newly built road here is part of ‘Banjeong 2-gil’.

In addition, the data collection module 230 receives information about the 'Buheung Bridge' area and 'Banjeong 2-gil' in 'Bukancheon' located in 'Bukan-myeon, Yeongcheon-si, Gyeongsangbuk-do' from the digital topographic map management agency system that produces or manages digital topographic maps. The first digital terrain image is collected using facility data as shown in (a) of FIG. 4 and FIG. 5. Here, FIG. 5 is an enlarged view of 'A' indicated in drawing (a) of FIG. 4. In this implementation, the road infrastructure subject to renewal is the 'Buheung Bridge' bridge, and the road paved for smooth vehicular traffic to 'Buheung Bridge' is part of the 'Banjeong 2-gil' road. Figure 5 shows the 'Banjeong 2-gil' road. The newly paved road section has been expanded.

For reference, the data collection module 230 collects only the first value in a rectangular area within a certain distance (d) from the 'Banjeong 2-gil' road image, which is the facility data to be confirmed, as shown in (b) of FIG. 4. Extracted as a terrain image.

In this implementation, the road of 'Banjeong 2-gil' is a road infrastructure, and the three end points (P1, P2, P3) of the 'Banjeong 2-gil' image determine the range of a certain distance (d) for extracting the first digital terrain image. However, if the road infrastructure is a tunnel, bridge, or other type of facility, the standard for determining the range of a certain distance (d) may not be the end point of the road infrastructure image.

Therefore, the standard for determining the range of a certain distance (d) is the outermost point of the road infrastructure image, regardless of the type of road infrastructure. Subsequently, the data collection module 230 checks the GNSS information of the first digital terrain image extracted from the corresponding information system. To this end, the data collection module 230 confirms the actual location of the point corresponding to each vertex of the extracted first digital terrain image and verifies GNSS information of the actual location.

For reference, the end points of 'Banjeong 2-gil', the road infrastructure of this implementation, are connected to Daegyeong-ro, and the end points of 'P3' are connected to Daegyeong-ro, and the end points of 'P3' pass through Buheung Bridge over the Bukancheon Stream and pass through the Gyeongbu Expressway. It is an administrative road leading towards ‘reconstruction area (non-city)’.

Figure 6 is a diagram showing a digital terrain image of the position of the digital terrain image in the digital terrain image of information data held by the digital map production system according to an embodiment of the present invention, and Figure 7 is a diagram showing a digital terrain image of an update target according to an embodiment of the present invention. This image shows the confirmation module converting the digital terrain image of the information data to determine the road condition, and FIG. 8 is a diagram showing the light and dark image of FIG. 7 converted into a section image.

S20; Information data search stage

The update target confirmation module 240 in this implementation checks the facility data received from the data collection module 230 and searches the facility DB 210 and digital terrain DB 220 for the corresponding information data.

As previously explained, since the facility data is classified by region, the update target confirmation module 240 searches the facility DB 210 and the digital terrain DB 220 with reference to the corresponding region of the facility data.

In this implementation, the update target confirmation module 240 checks the status information of the road infrastructure included in the update target information data in the facility DB 210. The road infrastructure subject to renewal in this implementation is the 'Buheung Bridge' and 'Banjeong 2-gil' roads, and additionally, 'Shoulders 1, 2, 3, and 4' formed along the 'Bukan Stream'.

In addition, in this implementation, the update target confirmation module 240 searches for and confirms the second digital topography image (see FIG. 6) in which the raw image of the road infrastructure included in the update target map data is map data in the digital topography DB 220. do. Here, the update target confirmation module 240 checks the GNSS information of the first digital terrain image received from the data collection module 230, and searches for the corresponding second digital terrain image in the digital terrain DB 220 based on this. .

Meanwhile, the cadastral edited map image (see FIG. 9) drawn based on the second digital terrain image is searched and confirmed in the digital terrain DB 220. For reference, the second digital topography image is an aerial image of the newly built 'Buheung Bridge'. As can be seen in the second digital topography image, the 'Buheung Bridge' foundation construction is in progress, and the 'Buheung Bridge' foundation is next to the foundation. A pair of temporary bridges (G) were installed for passage through the 'Bukan Stream'. Meanwhile, 'Shoulders 1, 2, 3, 4' form unpaved roads, and 'Banjeong 2-gil' road is connected to 'Daegyeong-ro', 'Banjeong 2-gil (1st road)' and 'Banjeong 2-gil (2nd road)'. )' is only partially packaged.

As described above, in order to check the road condition, the update target confirmation module 240 of this implementation processes the second digital terrain image, which is map data retrieved from the digital terrain DB 220 for raw image analysis, and Differentiate between non-paved and unpaved sections of the road, and further distinguish between paved and unpaved roads.

To explain this in more detail, the update target confirmation module 240 processes the second digital terrain image shown in FIG. 6 so that brightness can be confirmed for each color, and converts it into the brightness image shown in FIG. 7. Subsequently, the update target confirmation module 240 checks the brightness of various parts of the light and dark image, considers the brightness within the standard range to be the same brightness, and determines the range of the same brightness as the same section as shown in FIG. 8 to generate a section image. .

Here, the update target confirmation module 240 divides the brightness levels into paved roads and unpaved roads. In this implementation, the update target confirmation module 240 considers sections with brightness less than '35' as paved roads, based on relative values classified into '0 ~ 100' according to brightness, and considers sections with brightness exceeding '35' as paved roads. The section is classified as an unpaved road.

The parts identified as roads in the section image of this implementation are Daegyeong-ro, Banjeong 2-gil (1st road), shoulders 1, 2, 3, and 4, Buheung Bridge (foundation), temporary bridge (G), and Banjeong 2-gil (2nd road). Roads) 1, 2, Gyeongbu Expressway, of which the paved roads (solid lines) are Daegyeong-ro, Banjeong 2-gil (1st road), Banjeong 2-gil (2nd road) 1, Gyeongbu Expressway, and the unpaved roads (virtual Lines) are shoulder roads 1, 2, 3, and 4, temporary bridge (G), and Banjeong 2-gil (second road) 2.

Meanwhile, among paved roads, sections with a brightness of '20' or less are considered newly paved roads and classified. In this implementation, Banjeong 2-gil (1st road) and Banjeong 2-gil (2nd road) 1 are newly built paved roads compared to other paved roads.

As described above, the update target confirmation module 240 of this implementation searches the facility DB 210 and the digital terrain DB 220 for information data corresponding to the facility data collected by the data collection module 230, respectively, The update target confirmation module 240 analyzes the second digital terrain image among the map data based on the road infrastructure to be updated.

In this implementation, the road infrastructure subject to renewal is the 'Buheung Bridge' bridge, and the newly built road for smooth vehicular traffic to 'Buheung Bridge' is a part of 'Banjeong 2-gil', so the second digital terrain image analysis uses the road image. The second digital terrain image analysis is performed based on brightness.

Figure 9 is a diagram showing a cadastral editing diagram of the position of a digital terrain image in the information data held by the digital map production system according to an embodiment of the present invention, and Figure 10 is a diagram showing the digital map production system through the digital map production system according to an embodiment of the present invention. This is a drawing showing the update of the map image and the captured image of the actual location.

S30; Data update processing steps

The update processing module 250 in this implementation updates information data corresponding to facility data with the facility data. In this implementation, a unique code is set for each road infrastructure for facility data, and specific information belonging to the road infrastructure is also set to a unique code belonging to the unique code of the road infrastructure, so the unique code corresponding to the unique code of the facility data is set. If it is not searched in the information data, the road infrastructure in question is a new facility that did not exist before, and if the unique code is searched in the information data, the facility data is updated with the information data.

For example, the unique code of 'Rebuheung Bridge' included in the facility data is 'KN-04031-B004', and the specific information of 'Rebuheung Bridge' such as name, location, and specifications are 'KN-04031-B004-NA', respectively. , 'KN-04031-B004-PO', 'KN-04031-B004-SI'.

In addition, 'Buheung Bridge' and its name, location, and specifications included in the information data are the same as the unique code of the facility data. Therefore, the update processing module 250 updates information data according to the unique code. For reference, the update processing module 250 updates the information data in batches according to the facility data, regardless of the difference between the facility data and the information data.

In addition, the unique code of the 'Banjeong 2-gil' road is 'KN-04031-R093', and the specific information such as name, location, and specifications of the 'Banjeong 2-gil' road are 'KN-04031-R093-NA' and 'KN', respectively. -04031-R093-PO', 'KN-04031-R093-SI'.

In addition, the unique code of the 'shoulder' road is 'KN-04031-R8101', and the specific information such as name, location, and specifications of the 'shoulder' road are 'KN-04031-R8101-NA' and 'KN-04031-R8101', respectively. -PO', 'KN-04031-R8101-SI'.

For reference, among the 'shoulders', 'Shoulder 1', 'Shoulder 3', and 'Shoulder 4' are new roads, so the corresponding unique codes exist only in the facility data and are not included in the information data. Therefore, the update processing module 250 adds the corresponding facility data to the information data.

Subsequently, the update processing module 250 updates the map image of the digital terrain DB 220 based on the information data and the corresponding cadastral edited map image.

To explain this in more detail, the information data of the facility DB 210 has a unique code set for each road infrastructure, and in particular, when the road infrastructure is a road, multiple roads are connected to each other, so the unique code of the road is The specific information also includes unique codes for other roads connected to the above road.

Therefore, the update processing module 250 updates the map image based on the corresponding unique code of the information data and the cadastral edited map image. For reference, since the cadastral map displays demarcated zones, the update processing module 250 can track the location of the new road by being aware of this.

In this implementation, the update processing module 250 checks the new roads, update points 1 to 4, in the information data, and the update processing module 250 divides the new roads of update points 1 to 4 into the cadastral map. The location is determined to be independent of the existing area and connected to a connecting road.

Therefore, the road at update point 1 is determined to be the shortest course that does not encroach on '1147beonji', '1139beonji', '1145 2nd quarter', and 1146 1st quarter', and the road at update point 2 is the connecting road confirmed in the information data. Subsequently, the shortest course that does not encroach on '1145 1jeon' and '1144beonji' is decided.

For reference, the road at update point 2 is connected to other roads in addition to the connection road, so it is extended via the connection road. In this way, the roads at update point 3 and update point 4 are determined based on information data and cadastral map images, respectively.

The update processing module 250 further updates the confirmed new road by showing it on the existing map image as shown in (a) of FIG. 10. For reference, the added roads 'Extended Road', 'Shoulder 1', 'Shoulder 2', and 'Shoulder 4' are marked in black for identification, but the color (white) of the road shown in the existing map image is the same. You can update it by doing this.

The update processing module 250 stores the updated map image as map data in the digital terrain DB 220 and updates it.

S40; Steps to create a list of updated contents

In this implementation, the reporting module 260 collects the facility data subject to update collected by the data collection module 230 and the information data retrieved from the facility DB 210 and the digital terrain DB 220 by the update target confirmation module 240. It is output to each designated terminal so that the operator can check it.

In addition, the reporting module 260 executes an approval request so that the worker can check the facility data and information data printed on the terminal and select whether to proceed with the subsequent process. When the worker clicks the printed button and inputs an approval or re-search input signal, the reporting module 260 executes an approval request. , Accordingly, the facility DB 210 and the digital terrain DB 220 can be searched again, or the update processing of the update processing module 250 can be continued.

S50; Updated map image creation steps

The map module 270 in this embodiment edits the map image shown in (a) of Figure 10 according to the update-related operation processing of the update processing module 250 and outputs it to a designated terminal, and the operator edits the map image output from the terminal. You can check whether the above-mentioned update is performed normally.

For reference, the map image output to the terminal according to the update processing of the update processing module 250 is similar to the digital terrain image, which is an actual aerial photography image, shown in (b) of FIG. 10.

Figure 11 is a diagram showing the specific appearance of the correction computer according to an embodiment of the present invention, and Figure 12 is a diagram showing each part of the absorption connection unit according to an embodiment of the present invention disassembled, Figure 13 is a diagram schematically showing the absorption connection unit according to an embodiment of the present invention combined.

As shown in FIG. 2, the correction computer 100 includes a vehicle (V) traveling on the street, a camera (110) installed on the vehicle (V), a satellite navigation device (120, GNSS; Global Navigation Satellite System), and an inertial Includes navigation equipment (130, INS; Inertial Navigation System), etc.

The camera 110 is a typical CCD camera used for video shooting, the satellite navigation device 120 is a typical device that acquires and transmits camera location information, and the inertial navigation device 130 provides camera location information and attitude information. It is a normal device that acquires and transmits.

Specifically, the correction computer 100 includes a first vertical support 500 and a second vertical support 510, a first vertical support 500 and a second vertical support 500, which are installed upright on the upper surface of the movable vehicle V. An absorption connection unit 400 that connects the vertical supports 510 and cushions the shock transmitted to the first vertical support 500 and the second vertical support 510, the first vertical support 500 and the second vertical support ( A horizontal support 520 installed horizontally on the top of 510, a removable fastening part 300 mounted on the upper part of the horizontal support 520, a shield 600 coupled to the upper part of the removable fastening part 300, and a shield. It includes a camera 110 accommodated inside the unit 600.

The absorption connection unit 400 alleviates the shock transmitted to the first vertical support 500 and the second vertical support 510 and simultaneously connects the first vertical support 500 and the second vertical support 510. . Additionally, the absorption connection unit 400 can rotate and adjust its length on its own to prevent damage.

The absorption connection unit 400 is detachably coupled to both sides of the absorption base portion 410 and the absorption base portion 410 disposed between the first vertical support 500 and the second vertical support 510, and has a length of A pair of variable first connection parts 420, a pair of second connection parts 430 that are each detachably coupled to the pair of first connection parts 420, and one side part is each detachable to the pair of second connection parts 430. The other side is coupled and includes a pair of column brackets 440 that are detachably coupled to the first vertical support 500 and the second vertical support 510.

The absorption base portion 410 includes a pair of absorption base plates 411 spaced apart from each other, a fastening lever 412 for fastening the pair of absorption base plates 411, and a pair of absorption base plates on one side ( 411) and includes a pair of connector parts 413 that are rotatably coupled to the other side and are detachably coupled to the first connection part 420.

A plate hole 411a is provided in the pair of absorbent base plates 411 of the absorbent base portion 410 to allow the connector ball 413a of the connector portion 413 to rotate smoothly. The plate hole 411a is provided at a position corresponding to the connector ball 413a, and a pair of plate holes 411a are provided to be spaced apart from each other on the absorption base plate 411 disposed at the upper portion, and a pair of plate holes 411a are provided to be spaced apart from each other at the absorption base plate 411 disposed at the lower portion. It can be.

The lower end of the fastening lever 412 of the absorbent base portion 410 is screwed to the absorbent base plate 411 disposed below, so that the pair of absorbent base plates 411 presses a pair of connector balls 413a. A pair of absorbent base plates 411 can be combined to do so.

One side of the connector portion 413 of the absorbent base portion 410 is rotatably coupled to a pair of absorbent base plates 411, so that when an external force is applied, the absorbent base portion 410 is deformed in position to form the absorbent base portion 410. The impact applied can be alleviated.

The connector portion 413 includes a connector ball 413a rotatably supported in a plate hole 411a provided in a pair of absorption base plates 411, and a connector rod 413b provided on one side of the connector ball 413a. , a connector head 413c provided on the connector rod 413b, a connector bolt 413d provided on the connector head 413c and detachably coupled to the first connection portion 420, and a connector provided on the outer wall of the connector ball 413a. It includes a first packing member 413e that prevents the ball 413a from being separated from the pair of absorbent base plates 411 and provides frictional force.

The connector bolt 413d of the connector portion 413 may be detachably screwed into a screw groove provided in the first connection body 421 of the first connection portion 420. The first packing member 413e of the connector portion 413 may be provided to be located in the center of the plate hole 411a and the center of the connector ball 413a.

One side of the first connection portion 420 may be detachably coupled to the connector portion 413 and the other side may be detachably coupled to the second connection portion 430 . When an external force is applied to either the adjacent first vertical support 500 or the second vertical support 510, the first connection part 420 has a variable length to reduce the external force, and the absorption base part 410 ) can reduce the transmission of shock.

The first connection part 420 includes a first connection body 421 that is detachably coupled to the connector bolt 413d of the connector part 413, and a connection spring member 422 provided inside the first connection body 421. And a first connection bar 423, one side of which is supported by the connection spring member 422 and the other side of which is detachably coupled to the second connection part 430.

The first connection body 421 is provided with a cut hole 421a to reduce the frictional force with the connection spring member 422, so that the connection spring member 422 can be easily expanded and contracted.

One end of the first connection bar 423 is screwed to the second connection body 431 of the second connection part 430, and the other end is connected to the first connection body 421 inside the first connection body 421. It can be arranged to move in the longitudinal direction. As a result, when an external force is applied to the adjacent first vertical support 500 and the second vertical support 510, the first connection body 421 can be moved in the right direction, and at this time, the connection spring member 422 expands. do. And in this embodiment, a stopper protrusion is provided on the first connection bar 423 to prevent the first connection bar 423 from being separated from the first connection body 421.

One side of the second connection portion 430 may be detachably coupled to the first connection portion 420 and the other side may be detachably coupled to the pillar bracket 440. When an external force is applied to one of the adjacent first vertical support 500 and the second vertical support 510, the second connection part 430 has a variable angle to reduce the external force, and the absorption base part 410 ) can reduce the transmission of shock.

At this time, the absorption base unit 410 is provided so that the connector ball 413a rotates on the pair of absorption base plates 411, so that the impact can be alleviated and is transmitted from the second connection unit 430 to the absorption base unit 410. The impact can also be reduced by varying the length of the first connection part 420 and expanding and contracting the connection spring member 422.

The second connection portion 430 is connected to a second connection body 431 that is detachably coupled to the first connection bar 423, a connection rod 432 provided on the second connection body 431, and a connection rod 432. A connection ball 433 is provided and detachably coupled to the column bracket 440, and is provided on the outer wall of the connection ball 433 to prevent the connection ball 433 from being separated from the pair of bracket flanges 441 and to provide friction. Includes a second packing member 434.

The connection ball 433 of the second connection portion 430 is supported by the convex portion 442 provided on the pair of bracket flanges 441 and can rotate smoothly.

The pillar bracket 440 is coupled to the first vertical support 500 and the second vertical support 510, respectively, and may serve as a connection location for the second connection part 430. A pair of bracket flanges 441 spaced apart from each other are provided on one side of the column bracket 440, and the pair of bracket flanges 441 are fastened and connected by a coupling member 443 made of a nut and a bolt. The position of the ball 433 can be fixed.

The pillar bracket 440 is provided with a plurality of bracket holes 444 to reduce the weight of the pillar bracket 440.

Figure 14 is a cross-sectional view of a detachable fastening portion according to an embodiment of the present invention.

The detachable and fastening part 300 according to the present invention is mounted on the upper part of the horizontal support 520, and the shielding part 600 is coupled to the upper part of the detachable and fastening part 300. The detachable fastening part 300 can easily attach and detach the shielding part 600 and the camera 110 therein.

Specifically, the detachable and fastening portion 300 is coupled to the upper part of the horizontal support 520 and has an accommodating space 311 formed therein, and is based on the accommodating space 311 of the detachable case 310. A detachment depression 312 formed in the upper surface, a detachment motor 330 coupled to the inner top of the detachment recess 312, and a detachment motor 330 coupled to the lower part of the detachment motor 330 and used for the operation of the detachment motor 330. A detachable gear 331 that can rotate horizontally, a detachable spring 332 coupled to the lower part of the detachable gear 331, and a detachable spring 332 coupled to the lower part of the detachable spring 332 and moving up and down by the elastic restoring force of the detachable spring 332. A recess is formed on the lower surface of the movable detachable lifting part 320, a detachable insertion part 340 that can be inserted and fastened into the receiving space 311 of the detachable case 310, and a detachable lifting part ( 320) includes an elevator entry section 342 that can be entered by descending.

The detachable case 310 has an accommodating space 311 formed therein and has a 'L' shaped cross section, and can be divided into an upper surface and a lower surface based on the accommodating space 311.

The detachable recessed portion 312 is disposed at the upper part of the receiving space 311, and the removable recessed portion 312 includes a detachable motor 330, a detachable gear 331, a detachable spring 332, and a detachable lifting part 320. can be accepted. The detachable lifting part 320 is accommodated inside the detachable depression 312 when it rises, and is separated from the detachable depression 312 when it descends.

When the detachment motor 330 operates, the detachment gear 331 can rotate horizontally clockwise or counterclockwise, and the detachment spring 332 can also rotate according to the rotation of the detachment gear 331. When the detachable spring 332 rotates, the detachable lifting part 320 coupled to its lower end can also rotate.

The detachable spring 332 connects the detachable gear 331 and the detachable lifting part 320 and provides elastic restoring force to the detachable lifting part 320. The detachable lifting part 320 is normally lowered by the elastic restoring force of the detachable spring 332.

A lifting slope 321 having a predetermined inclination angle is formed on one side of the detachable lifting part 320. Due to the lifting slope 321, the detachable lifting part 320 has a cross-section in the shape of a right triangle.

The detachable insertion part 340 can be inserted and fastened into the receiving space 311 of the detachable case 310, and the shielding part 600 is coupled to the upper part of the detachable insertion part 340. The detachable insertion part 340 may be divided into a lower surface inserted into the receiving space 311 and an upper surface placed on the top of the detachable case 310 when inserted.

The lifting and lowering entry part 342 is formed on the lower surface of the detachable insertion part 340, and when the detachable insertion part 340 is inserted into the receiving space 311 of the detachable case 310, the detachable and lifting part 320 is You can descend and enter the elevator entry section 342.

An insertion slope 341 having an inclination angle corresponding to the elevation slope 321 of the detachment and elevation part 320 is formed at the front end of the lower surface of the detachable insertion part 340.

As the detachable insertion part 340 enters the detachable case 310 from the rear to the front, the insertion inclined surface 341 contacts the elevating incline surface 321 to push up the elevating incline surface 321, and the detachable elevating part 320 rises. The raised detachable lifting part 320 is lowered by the detachable spring 332 at the point where the lifting entering part 342 is located and is inserted into the lifting entering part 342.

A detachment stopper 350 is further coupled to the inner front of the lifting and lowering entrance portion 342. The detachment stopper 350 is disposed at the bottom of the detachment slope 351 and the detachment slope 351 and is disposed at a predetermined inclination angle from the inner top of the elevating entrance part 342. It includes a detachment height surface 352 that is perpendicular to and contacts the detachment and elevation part 320 that enters.

Normally, the detachable lifting part 320 is lowered by the elastic force of the detachable spring 332. As the detachable insertion part 340 enters the detachable case 310 from the rear to the front, the insertion inclined surface 341 contacts the lifting and lowering slope surface 321 to raise the detachable and lowering part 320. At this time, as in the illustrated embodiment, the lifting slope 321 is arranged to face rearward.

As shown, when the detachable insertion part 340 enters the front and the detachable elevating part 320 is located at the elevating entry part 342, the detachable elevating part 320 is lowered by the elastic force of the detachable spring 332. It is inserted into the elevator entry section 342. Accordingly, the detachable insertion part 340 can be fastened to the detachable case 310.

At this time, the detachable height surface 352 of the detachable stopper 350 contacts and supports the front of the detachable lifting part 320, so the detachable insertion part 340 cannot be separated to the rear and remains fastened.

When the detachable insertion part 340 is to be separated from the detachable case 310, the detachable motor 330 operates to rotate the detachable gear 331, and the detachable spring 332 and the detachable lifting part 320 rotate 180 degrees. It rotates. At this time, the lifting slope 321 is arranged to face forward.

When the detachable insertion part 340 moves rearward, the elevating slope 321 comes into contact with the detachment incline surface 351 of the detachment stopper 350 and goes over the detachment incline 351, and the detachable elevating part 320 It rises. When the detachable lifting part 320 is raised, the detachable insertion part 340 can be separated from the detachable case 310, and the shielding part 600 is separated.

Figure 15 is a diagram showing the overall appearance of the shield according to an embodiment of the present invention, Figure 16 is a diagram showing the rear of the shield according to an embodiment of the present invention, and Figure 17 is an embodiment of the present invention. This is a diagram showing the operation of the first shielding body and the second shielding body being lowered according to .

As shown, the shielding unit 600 according to the present invention can shield the camera 110 placed inside from the outside. Since the shielding unit 600 can block internal components from the outside, it can protect the camera 110 from damage during transportation and installation of the collection device.

Specifically, the shielding unit 600 includes a base body 601, a base shielding body 610, a first shielding body 620, a second shielding body 630, a shielding drive unit 640, a stopper unit 650, etc. It consists of a composition of

The base body 601 is coupled to the upper part of the detachable and fastening portion 300, and may have a hexahedral shape with an open front portion, and may also be provided with an open rear portion.

A protruding support body 602 that protrudes forward is provided at the upper end of the base body 601 and can serve as a place for attaching and detaching the base shielding body 610. In addition, the protruding support body 602 is provided with a guide cut hole 603, into which the cylinder body 641 provided in the shield 600 can be inserted and accommodated. As a result, it is possible to prevent the cylinder body 641 from colliding with the protruding support body 602.

The base shielding body 610 is coupled to the protruding support body 602 of the base body 601 and can shield the open area of the base body 601, for example, the front area or the rear area of the base body 601. In the case where both the front and rear areas of the base body 601 are shielded, they may be disposed at the front and rear of the base body 601, respectively.

The base shielding body 610 is coupled to the upper part of the base body 601 and covers the open area of the base body 601, and the first shielding body 620 is provided to be lifted and lowered on the base shielding body 610 to cover the base shielding body 601. It covers the open area of the lower part of the body 610, and the second shielding body 630 is provided to be lifted and lowered on the first shielding body 620 and covers the open area of the lower part of the first shielding body 620.

One side of the shield driving unit 640 is coupled to the base shield body 610 and the other side is coupled to the second shield body 630 to elevate the first shield body 620 and the second shield body 630. The stopper unit 650 is provided on the base shielding body 610 and the first shielding body 620 to limit the descending height of the first shielding body 620 and the second shielding body 630.

Base bending plates 611 are provided on both sides of the base shielding body 610 and can be supported on the outer wall of the base body 601. A base support rail 613 is provided on the base bending plate 611 to guide the lifting and lowering of the first lifting rail 623 provided on the first shielding body 620.

In this embodiment, a base support plate 612 is provided at the center of the base shielding body 610. A base guide body 614 is provided on the base support plate 612 to guide the lifting and lowering of the lifting guide bar 645 of the shield driving unit 640. A cut hole 645a may be provided in the lifting guide bar 645.

The first shielding body 620 is provided to be raised and lowered on the base shielding body 610 and can shield the open area of the base body 601.

First bending plates 621 are provided on both sides of the first shielding body 620 and can be supported on the outer wall of the base body 601. A first lifting rail 623 is provided on the first support plate 622, and the first lifting rail 623 is supported by the base support rail 613 described above and can be lifted and lowered in a sliding manner.

And in this embodiment, the first support rail 624 is coupled to the first lifting rail 623 to guide the sliding movement of the second lifting rail 633 provided on the second shielding body 630.

Additionally, a first support plate 622 may be provided at the center of the first shielding body 620.

The second shielding body 630 is provided to be raised and lowered on the first shielding body 620 and can shield the open area of the base body 601.

Second bending plates 631 may be provided on both sides of the second shielding body 630. The second bending plate 631 may be provided with the above-described second lifting rail 633.

Additionally, in this embodiment, a bent piece 632 is provided at the lower end of the second shielding body 630, and this bent piece 632 may be supported on the front or rear wall of the base body 601.

The shield drive unit 640 has one side coupled to the base shield body 610 and the other side coupled to the second shield body 630 to elevate and lower the first shield body 620 and the second shield body 630. You can. In this embodiment, the shield driving unit 640 may be operated by being connected to a control module (not shown).

The shield drive unit 640 includes a cylinder body 641 provided on the top of the base shield body 610, a cylinder rod 642 whose one side is connected to the cylinder body 641 and expands and contracts, and a cylinder rod 642. A cylinder bracket 643 coupled to the end of the cylinder bracket 643, one side coupled to the cylinder bracket 643 and a shield connection unit 644 that is raised and lowered like the cylinder rod 642, and one end coupled to the base shield body 610. The other side includes a lifting guide bar 645 that penetrates the base support plate 612 and is coupled to the first support plate 622 of the first shield body 620, a shield connection unit 644, and a lifting guide bar 645. The shield connection unit 644 and the lifting guide bar 645 are connected together to elevate and lower, and the lifting connection body 646 disposed inside the lifting guide bar 645, one side is coupled to the lifting guide bar 645, and the other side is connected to the lifting guide bar 645. The side part is coupled to the second shielding body 630 and is provided on the lower lifting bar 647 to be raised and lowered together with the lifting guide bar 645, and is provided on the lower lifting bar 647 to limit the rising height of the lower lifting bar 647. Includes lower stopper 648.

The upper end of the cylinder body 641 can be detachably bolted to the base shield body 610 using a bracket.

The shield connection unit 644 is coupled to the cylinder bracket 643 and a first connection body 644a disposed below the first support plate 622, and is coupled to the first connection body 644a and is connected to the first support plate. It includes a second connection body 644b disposed at the lower part of 622, and a third connection body 644c, one side of which is coupled to the second connection body 644b and the other side of which is coupled to the lifting connection body 646. do.

In this embodiment, the third connection body 644c is provided to surround the outer wall of the lifting guide bar 645, and the first connection body 644a, the second connection body 644b, and the third connection body 644c are It may have a ‘ㄴ’ shape on the plane.

In this embodiment, the lifting guide bar 645 is provided with a cut hole 645a to reduce friction between the lifting connection body 646 and the lifting guide bar 645.

The stopper unit 650 is provided on the base support rail 613 and the first support rail 624 to limit the lowering height of the first shielding body 620 and the second shielding body 630.

In this embodiment, the stopper portion 650 includes a stopper plate 651 and a plurality of stopper balls 652 provided to protrude inside and outside the wall portion of the stopper plate 651.

In this embodiment, a plurality of stopper balls 652 are in contact with the first lifting rail 623 or the second lifting rail 633 to limit the lowering height of the first shielding body 620 and the second shielding body 630. can do.

Below, the operation of the shield driving unit 640 will be briefly described.

When the cylinder rod 642 of the shield driving unit 640 is lowered, the shield connection unit 644 and the lifting guide bar 645 connected to the shield connection unit 644 are lowered. At this time, since the lower lifting bar 647 is coupled to the lower part of the lifting guide bar 645, the lower lifting bar 647 is also lowered.

As a result, the first shielding body 620 and the second shielding body 630 are also lowered, and the first shielding body 620 is lowered while being supported on the base support rail 613, and the second shielding body 630 is lowered. It can be lowered by being supported on the first support rail 624.

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and it is commonly known in the technical field to which the present invention pertains that various substitutions, modifications, and changes can be made without departing from the technical spirit of the present invention. It will be clear to those who have the knowledge of.

100: Calibration computer 110: Camera 120: Satellite navigation device
130: Inertial navigation device 200: GIS server 210: Facility DB
220: Digital terrain DB 230: Data collection module 240: Update target confirmation module
250: Update processing module 260: Reporting module 270: Map module
300: Removable fastening part 310: Removable case 311: Accommodating space
312: Removable depression 320: Removable lifting part 321: Elevating slope
330: Detachable motor 331: Detachable gear 332: Detachable spring
340: Removable insertion part 341: Insertion slope 342: Elevating entry part
350: Detachment stopper 351: Detachment slope 352: Detachment height
400: Absorption connection unit 410: Absorption base unit 411: Absorption base plate
411a: Panel hole 412: Fastening lever 413: Connector part
413a: Connector ball 413b: Connector rod 413c: Connector head
413d: Connector bolt 413e: First packing member 420: First connection part
421: first connection body 421a: cut hole 422: connection spring member
423: first connection bar 430: second connection part 431: second connection body
432: Connecting rod 433: Connecting ball 434: Second packing member
440: Column bracket 441: Bracket flange 442: Convex portion
443: Coupling member 444: Bracket hole 500: First vertical support
510: second vertical support 520: horizontal support 600: shielding part
601: Base body 602: Protruding support body 603: Guide cut hole
610: Base shielding body 611: Base bending plate 612: Base support plate
613: Base support rail 614: Base guide body 620: First shielding body
621: First bending plate 622: First support plate 623: First lifting rail
624: First support rail 630: Second shielding body 631: Second bending plate
632: Bending piece 633: Second elevator rail 640: Shield drive eastern part
641: Cylinder body 642: Cylinder rod 643: Cylinder bracket
644: Shield connection unit 644a: First connection body 644b: Second connection body
644c: Third connection body 645: Elevating guide bar 645a: Cut hole
646: Elevating connection body 647: Lower lifting bar 648: Lower stopper
650: Stopper part 651: Stopper plate 652: Stopper ball

Claims (1)

A correction computer installed in a vehicle traveling on the street to receive shooting information, camera location information, and camera posture information; and a GIS server that can update existing digital maps using data from a calibration computer; Including,
The GIS server is,
Facility DB, which stores specific information including the name, location, and specifications of road infrastructure as information data, and sets a unique code in the same format as the government office system to identify specific information corresponding to each road infrastructure;
Digital terrain DB that stores digital terrain images including GNSS information, cadastral edited map images drawn based on digital terrain images, and map images drawn based on digital terrain images as map data;
Data by location is collected from the correction computer as first facility data, and specific information by road infrastructure is collected as second facility data from the government office system where specific information on each road infrastructure classified by unique code is stored, and digital topographic map management agency The digital topographic map is collected as third facility data from the system, but the second facility data is limited to data on updated road infrastructure, and the first and third facility data of the correction computer and digital topography management agency system are second facility data. A data collection module that is a raw image and digital terrain image that extracts only the area within a certain distance from the outermost edge of the updated road infrastructure;
Information data corresponding to the facility data collected by the data collection module is searched in the facility DB based on a unique code. When differences are confirmed by comparing the searched facility data and information data, the information data is confirmed as information data subject to update. Search the digital terrain DB for map data including digital terrain images, cadastral map images, and map images related to road infrastructure that have been confirmed as information data subject to update. If it is confirmed that the road infrastructure subject to update is a road by checking the unique code, , the digital terrain image is processed so that the brightness can be confirmed by coloring, and converted into a light and dark image. The brightness within the standard range in the light and dark image is considered to be the same brightness, and a section image determined to be the same section of road is created, and the brightness is changed to a paved road, An update target confirmation module that classifies the grades as unpaved roads and new paved roads and checks whether the road section is a paved road and whether it is a new paved road according to the brightness of the light and dark image;
The information by unique code of the information data subject to update confirmed in the update target confirmation module is updated in batches with the information by the same unique code of the corresponding facility data, and the road infrastructure subject to update is additionally updated by showing it on the map image, through unique code confirmation. If it is confirmed that the road infrastructure subject to update is a road, the unique code of other roads connected to the road infrastructure subject to update is checked in the specific information of the relevant facility data, the location of other roads in the map image is confirmed, and the road infrastructure subject to update is confirmed. An update processing module that additionally updates the facility by depicting it as the shortest course that does not encroach on the nearby area indicated in the cadastral map image;
A reporting module that outputs the facility data collected by the data collection module and the information data retrieved from the facility DB and digital terrain DB by the update target confirmation module to a designated terminal, respectively, and allows the update processing module to be executed; and
A map module that edits a map image according to the update processing of the update processing module and outputs it to a designated terminal; Including,
The correction computer is,
First and second vertical supports installed upright on the upper surface of the movable vehicle; An absorption connection unit connecting the first vertical support and the second vertical support and cushioning the shock transmitted to the first vertical support and the second vertical support; A horizontal supporter installed horizontally on top of the first vertical supporter and the second vertical supporter; A detachable fastening part mounted on the upper part of the horizontal support; A shielding part coupled to the upper part of the detachable fastening part; and a camera accommodated inside the shielding unit; Including,
The absorption connection unit is,
An absorption base portion disposed between the first vertical support and the second vertical support; A pair of first connection parts that are detachably coupled to both sides of the absorption base and have variable lengths; a pair of second connectors each detachably coupled to the pair of first connectors; and a pair of column brackets, one side of which is detachably coupled to a pair of second connectors, and the other side of which is detachably coupled to the first vertical support and the second vertical support. Includes,
The absorption base part,
A pair of absorbent base plates spaced apart from each other; A fastening lever for fastening a pair of absorption base plates; and a pair of connector parts, one side of which is rotatably coupled to a pair of absorbent base plates, and the other side of which is detachably coupled to the first connection part; Including,
The connector part,
a connector ball rotatably supported in a plate hole provided in a pair of absorption base plates; A connector rod provided on one side of the connector ball; A connector head provided on the connector rod; and a connector bolt provided on the connector head and detachably coupled to the first connection portion. Includes,
The first connection part is,
A first connection body detachably coupled to the connector bolt; A connection spring member provided inside the first connection body; and a first connection bar, one side of which is supported by a connection spring member, and the other side of which is detachably coupled to the second connection part; Including,
When an impact is applied to one of the first and second vertical supports that are close to each other, the absorbing base is rotated by the connector ball and the first connection bar is moved from the first connection body to reduce the impact,
The detachable fastening part,
A detachable case coupled to the upper part of the horizontal support and forming a receiving space therein; A detachable depression formed in the upper surface based on the accommodation space of the detachable case; A detachment motor coupled to the inner top of the detachment depression; A detachment gear that is coupled to the lower part of the detachment motor and can rotate horizontally according to the operation of the detachment motor; A detachment spring coupled to the lower part of the detachment gear; A detachable lifting part coupled to the lower part of the detachable spring and capable of moving up and down by the elastic restoring force of the detachable spring; A detachable insertion portion that can be inserted and fastened into the receiving space of the detachable case; and an elevating entry part that is recessed in the lower surface of the detachable insertion part and allows the detachable elevating part to descend and enter. Including,
A detachment stopper is further coupled to the inner front of the elevating entrance, and the detachment stopper is disposed at the bottom of the detachment slope and the detachment slope arranged to have a predetermined inclination angle from the inner top of the elevating and elevating entrance, and is perpendicular to the bottom surface of the elevating and elevating entrance. It includes a detachment height surface that is in contact with the entered detachment lifting part,
The shielding part,
A base body in which an open area is formed coupled to the upper part of the detachable fastening part; a base shielding body provided on the upper part of the base body and covering the open area of the base body; A first shielding body provided to be lifted and lowered on the base shielding body and covering the open area of the lower part of the base shielding body; a second shielding body that is raised and lowered on the first shielding body and covers the open area of the lower part of the first shielding body; and a shielding drive unit that has one side coupled to the base shielding body and the other side coupled to the second shielding body to elevate and lower the first shielding body and the second shielding body. Includes,
The shield drive unit,
A cylinder body provided on the upper part of the base shield body; A cylinder rod whose one side is connected to the cylinder body and expands and contracts; A cylinder bracket coupled to the end of the cylinder rod; A shield connection unit that is coupled to one side of the cylinder bracket and is raised and lowered together with the cylinder rod; A lifting guide bar with one end coupled to the base shielding body and the other side penetrating the base support plate coupled to the base shielding body and coupled to the first support plate of the first shielding body; A lifting connection body that connects the shield connection unit and the lifting guide bar to elevate the shield connection unit and the lifting guide bar together and is disposed inside the lifting guide bar; A lower lifting bar with one side coupled to the lifting guide bar and the other side coupled to the second shielding body to be lifted and lowered together with the lifting guide bar; and a lower stopper provided on the lower lifting bar to limit the rising height of the lower lifting bar. A digital map production system that can update facilities around roads using GNSS information and image information, comprising:

Images