Abstract

According to an embodiment, a system includes at least one change detecting device that includes a map information storage unit receiving a high-definition map including a property of each road facility object and spatial coordinates of a feature point from a map updating server and storing the received high-definition map, an object coordinates obtaining unit recognizing at least one road facility object from the road image and obtaining a property of the recognized object and spatial coordinates of a feature point. and a changed object detecting unit comparing the property of the recognized object and the spatial coordinates of the feature point with the high-definition map and, if a change object is detected, transmitting object change information including a property and feature point spatial coordinates of the change object to the map updating server.

IPC Classes  ?

• G01C 21/00 - NavigationNavigational instruments not provided for in groups
• G01C 21/32 - Structuring or formatting of map data
• G06T 7/73 - Determining position or orientation of objects or cameras using feature-based methods
• B60R 11/04 - Mounting of cameras operative during driveArrangement of controls thereof relative to the vehicle
• G06T 17/05 - Geographic models
• G06V 20/56 - Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle

Abstract

According to an embodiment, an apparatus and method for generating distribution information may include periodically generating GNSS information including GNSS positioning information and a positioning time, generating image information including an image of at least one or more facility object, at the positioning time, while a vehicle drives, obtaining precise positioning information for a capturing position at the positioning time based on the image information, a high-definition map, and the GNSS information, calculating a positioning difference which is a difference between the GNSS positioning information and the precise positioning information, and generating distribution information including the GNSS information, the positioning difference, and the precise positioning information. The high-definition map includes information for feature point spatial coordinates and a property for each facility object.

IPC Classes  ?

• G06T 7/73 - Determining position or orientation of objects or cameras using feature-based methods
• G01S 19/45 - Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement
• G01S 19/40 - Correcting position, velocity or attitude
• G01S 19/41 - Differential correction, e.g. DGPS [differential GPS]
• G01S 19/48 - Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system

Abstract

According to an embodiment, an apparatus for precise position correction using a positioning difference comprises a first distribution information obtaining unit gathering first distribution information from an external terminal, a global navigation satellite system (GNSS) receiver obtaining a GNSS positioning value of the apparatus based on a GNSS, and a positioning correcting unit obtain a corrected location of the apparatus by correcting the GNSS positioning value using the gathered first distribution information. The first distribution information includes a GNSS positioning value of the external terminal, a GNSS positioning time, a precise positioning value, and a positioning difference between the GNSS positioning value and the precise positioning value.

IPC Classes  ?

• G01S 19/07 - Cooperating elementsInteraction or communication between different cooperating elements or between cooperating elements and receivers providing data for correcting measured positioning data, e.g. DGPS [differential GPS] or ionosphere corrections
• G01S 19/40 - Correcting position, velocity or attitude
• G01S 19/23 - Testing, monitoring, correcting or calibrating of a receiver element
• G01S 19/31 - Acquisition or tracking of other signals for positioning
• G01S 19/25 - Acquisition or tracking of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS

Abstract

A device for monitoring the performance of high-speed weigh-in-motion equipment according to an embodiment of the present invention comprises a weigh-in-motion control device which: selects a representative vehicle type from among vehicle types from which data is to be collected for monitoring; filters data on the selected representative vehicle type in order to perform monitoring; calculates a weight distribution for the representative vehicle type on the basis of the filtered data on the representative vehicle type; and monitors the performance of the high-speed weigh-in-motion equipment by using the calculated weight distribution for the representative vehicle type.

IPC Classes  ?

• G01G 23/01 - Testing or calibrating of weighing apparatus
• G01G 19/03 - Weighing apparatus or methods adapted for special purposes not provided for in groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing during motion
• G01G 19/62 - Over or under weighing apparatus
• G01G 23/37 - Indicating the weight by electrical means, e.g. using photoelectric cells involving digital counting
• G08G 1/017 - Detecting movement of traffic to be counted or controlled identifying vehicles
• G08G 1/02 - Detecting movement of traffic to be counted or controlled using treadles built into the road

Abstract

Provided according to the present invention is a road surface profiler performance measuring instrument, which implements a virtual road surface state in order to assess the performance of a road surface profiler (A) including a distance measurement unit (10) and a flatness measurement unit (20), the measuring instrument comprising: a travel operation unit (100) for augmenting movement distance information (a) generated by the distance measurement unit (10); and a height adjustment unit (200) for changing height information (b) generated by the flatness measurement unit (20).

IPC Classes  ?

• G01M 17/02 - Tyres
• G01B 5/28 - Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
• B60W 40/06 - Road conditions
• E01C 23/01 - Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed supportsApplications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
• G01D 21/02 - Measuring two or more variables by means not covered by a single other subclass
• G06F 17/10 - Complex mathematical operations

Abstract

An apparatus is for constructing a guide line for a road. The apparatus includes a painting apparatus part that stores a lane paint, is driven by receiving power, and supplies the lane paint. A nozzle part is installed in the painting apparatus part and sprays the lane paint supplied from the painting apparatus part on a road to form a guide line for a road including at least one of a directional mark and a lane. An adjustment part is installed in the painting apparatus part and adjusts at least one of a location and an interval of the lane paint sprayed from the nozzle part.

IPC Classes  ?

• E01C 23/22 - Devices for marking-out, applying or forming traffic or like markings on finished pavingProtecting fresh markings for forming markings in situ by spraying
• B60P 3/30 - Spraying-vehicles
• B05B 7/08 - Spray pistolsApparatus for discharge with separate outlet orifices, e.g. to form parallel jets, to form intersecting jets

Abstract

The present invention relates to a system for extracting position information of object in point cloud data by using component comprising a component file creating unit making the component file of prior standardized object; an object position information extraction unit extracting position information of object by using point cloud data collected by LiDAR; and an object outline extraction and position determination unit optimizing object outline of point cloud data by using the component file, and extracting accurate information of standard position from the optimized outline.

IPC Classes  ?

• G06T 7/00 - Image analysis
• G06T 7/73 - Determining position or orientation of objects or cameras using feature-based methods
• G06T 7/12 - Edge-based segmentation
• G06T 3/00 - Geometric image transformations in the plane of the image
• G06T 7/66 - Analysis of geometric attributes of image moments or centre of gravity
• G01S 17/89 - Lidar systems, specially adapted for specific applications for mapping or imaging

Abstract

Provided according to the present invention is a road surface profiler performance measuring instrument, which implements a virtual road surface state in order to assess the performance of a road surface profiler (A) including a distance measurement unit (10) and a flatness measurement unit (20), the measuring instrument comprising: a travel operation unit (100) for augmenting movement distance information (a) generated by the distance measurement unit (10); and a height adjustment unit (200) for changing height information (b) generated by the flatness measurement unit (20).

IPC Classes  ?

• G01M 99/00 - Subject matter not provided for in other groups of this subclass
• E01C 23/01 - Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed supportsApplications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
• G01D 21/02 - Measuring two or more variables by means not covered by a single other subclass
• G06F 17/10 - Complex mathematical operations
• G01B 5/28 - Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
• B60W 40/06 - Road conditions

Abstract

The present invention relates to a safety device for guiding a vehicle to a detour route, a vehicle guidance method using the same, and a vehicle guidance system using the same. The safety device according to an embodiment of the present invention may comprise: a sensing unit for sensing a vehicle approaching the safety device; and an image projection unit for projecting an image on a road surface on which the vehicle approaches when the sensing unit detects the approach of the vehicle. When it is necessary to direct a vehicle toward a detour route, the present invention can enable a driver of the vehicle to identify the detour route in a timely fashion and move the vehicle toward the detour route.

IPC Classes  ?

• G08G 1/09 - Arrangements for giving variable traffic instructions
• G01S 5/08 - Position of single direction-finder fixed by determining direction of a plurality of spaced sources of known location
• H04N 5/74 - Projection arrangements for image reproduction, e.g. using eidophor
• E01F 9/50 - Road surface markingsKerbs or road edgings, specially adapted for alerting road users

Abstract

The present invention relates to a method for calculating a road quality performance index, to a method for evaluating road quality, and to an apparatus for evaluating road quality, that use a quality performance index, i.e. quantified quality evaluation standards, so as to objectively determine the quality of each construction goal of a road to be constructed. To this end, the method for calculating the road quality performance index is characterized by comprising: a step (S610) of classifying evaluation items for construction work types, i.e. evaluation items for each construction work type in the road to be constructed; a step (S620) of calculating evaluation grades and weighted values for the classified evaluation items for each construction work type; and a step (S630) of calculating a quality performance index, i.e. a quantified evaluation index, for the construction goals using the evaluation grades and weighted values.

IPC Classes  ?

• G06Q 50/26 - Government or public services
• G06Q 50/10 - Services

Abstract

An inspection system and method for paint coated film of steel bridge using image processing technique including a paint coated film image storing process that stores in a data base (DB) unit a paint coated film image information of a steel bridge photographed by the inspection system; a paint coated film information loading process that loads information stored in the DB unit through calling a file containing the paint coated film image information to be inspected; a scale and rust extracting process that displays a scale part and a rust part on an output unit after detecting the rust part and the scale part by use of the inspection system and storing a calculated percentage of deteriorated are in the DB unit; and a repainting information calculating process that calculates a time for repainting and provide an optimum method for paint coating by deteriorated image information of paint coated film.

IPC Classes  ?

• G06K 9/00 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints

Abstract

The present invention relates to a construction method for a semi-integral abutment bridge which constitutes a form of bridge embodying a new concept developed in order to bring out as much as possible the advantages of integral abutment bridges in which the abutments and superstructure are integrated and at the same time to compensate for restrictive conditions in use; and in particular it relates to a construction method for a semi-integral abutment bridge using a steel box girder. The present invention provides a construction method for a semi-integral abutment bridge using a steel box girder, characterised in that it comprises: a first stage in which abutment-section banking work is carried out and piles are constructed and then lean concrete for the abutment foundations is cast and pile-head reinforcement is effected; a second stage in which a spread foundation is constructed and the construction of the abutment stem walls and wing walls is completed and then bridge bearings are installed; a third stage in which a steel box girder, which has been manufactured in a factory and transported to the site, is put in place and joining of the steel box girder and crossbeams is carried out on site and then connecting reinforcing bars are put in place for connecting the steel box girder and end partition walls; a fourth stage in which an expansion joint filler is provided on the joining surfaces of the end partition walls and the wing walls in order to separate them; a fifth stage in which the reinforcing bars of the end partition walls are put in place at the same time as the reinforcing bars of the bridge deck panel, and the bridge deck panel and the end partition walls are integrally cast; a sixth stage in which back filling is carried out on the back surfaces of the abutments; a seventh stage in which, after the back filling has been completed, a first and a second support slab are constructed and then the first support slab has constructed on the upper surface thereof a connecting slab which is coupled with the bridge deck panel and a shock-absorbing slab which connects with a main-lane paving section, and the second support slab has constructed on the upper surface thereof a shock-absorbing slab and a main-lane surfacing section; and an eighth stage in which an expansion-regulating device is installed between the connecting slab and the shock-absorbing slab.

IPC Classes  ?

• E01D 2/04 - Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type

Abstract

Provided is a bridge inspection robot which is capable of climbing over an obstacle, the bridge inspection robot including: a climbing-over portion (110) which is extended to correspond to a gap distance between a flange (1 Ia) of a first girder (11) and a flange (12a) of a first girder (12) which are provided at the upper side of a pier (L) of a bridge (10) in which a robot main body (101) climbs up/down or avoids and climbs over an obstacle, when the robot main body (101) moves on the flange, for example, along a bridge inspection path; an obstacle detection portion (120) which detects the obstacle which exists on the flanges; a photographing altitude control portion (150) which detects an altitude change of an image photographing portion (130) according to height of the obstacle when the robot main body (101) climbs up/down or avoids and climbs over the obstacle, and adjusts a photographingheight of the image photographing portion (130) so as to correspond to the altitude change, to thus have a z-axis coordinate of an identical height all the time; a position calculation portion (160) which measures a mobile position of the robot main body (101) which corresponds to a consecutive image photographed by the image photographing portion (130), to thus calculate x/y/z-axis coordinates; and an image processing portion (170) which receives the consecutively photographed images and x/y/z-axis coordinates corresponding to the consecutively photographed images, to thus continuously confirms the actual crack elements corresponding to the images and to thus produce a rec¬ ognizable image of an actual position coordinate of the corresponding image.

IPC Classes  ?

• B25J 5/00 - Manipulators mounted on wheels or on carriages

Abstract

There is provided a processing method of an inspection system for paint coated film of steel bridge using image processing technique comprising: a paint coated film image storing process that stores in a data base (DB) unit a paint coated film image information of a steel bridge photographed by the inspection system for paint coated film; a paint coated film information loading process that loads paint coated film image information through calling a file containing the paint coated film image information to be inspected which is stored in thea DB unit when an inspection program for paint coated film is executed after the paint coated film image storing process; a scale and rust extracting process that displays a scale part and a rust part on an output unit after detecting the rust part and the scale part by an image processing process of the inspection system for paint coated film and storing a calculated percentage of deteriorated are in the DB unit when a diagnosis order of inspection program for paint coated film is executed after the paint coated film information loading process; and a repainting information calculating process that calculates a time for repainting and provide an optimum method for paint coating by deteriorated image information of paint coated film which includesing rust and scale information after the scale and rust extracting process.

IPC Classes  ?

• G01N 21/88 - Investigating the presence of flaws, defects or contamination

Abstract

There is provided a camera secondary curved mirror structure which is manufactured by removing a predetermined portion of a circular curved mirror for a camera which is equidistant by a predetermined distance of m/R from each side of a line which passes through the center-point of the circular curved mirror in a vertical direction, to result two curved mirror members; jointing the two curve mirror members together to form a joint line; establishing a cutting line which is perpendicular to the joint line and which is at a predetermined distance n/D from a point where the joint line intersects the circumference of the curved mirror members; and cutting along the cutting line so that a lower portion of the jointed curved mirror members results, to form a curved mirror.

IPC Classes  ?

• H04N 7/18 - Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast