Abstract: An overhead wire recognition device and method are capable of overhead wire recognition based on plural images taken by an imaging device such as a digital camera. The overhead wire recognition device includes an input unit to which multi-viewpoint images taken by a camera from different viewpoints and camera positions/attitudes are inputted, an overhead wire candidate extraction unit which selects, from the multi-viewpoint input images inputted to the input unit, an overhead wire region including an overhead wire and extracts, from the overhead wire region, a line segment as a candidate of the overhead wire, and an overhead wire model estimation unit which projects the candidate line segment in an imaginary 3D space, determines, based on the candidate line segment, the camera positions/attitudes, and the multi-viewpoint images, a plane where the overhead wire is present in the 3D space, and estimates a 3D model of the overhead wire.

Abstract: A technique facilitates selecting and designating an arbitrary one of a plurality of aerial lines. The aerial line extraction system, includes: an area-of-interest cropping unit that crops a region where an aerial line is assumed to exist as an area of interest by setting a support of the aerial line as a reference from a three-dimensional point cloud data; an element segmenting unit that segments the area of interest into a plurality of subdivided areas, obtains a histogram by counting three-dimensional point clouds existing in each of the subdivided areas, and obtains a segmentation plane of the area of interest on the basis of the histogram; and an element display unit that segments the area of interest into a plurality of segmented areas by the segmentation plane and displays the three-dimensional point clouds included in each of the segmented areas in a distinguishable manner.

Abstract: Provided is an aerial line extraction system including: an area-of-interest cropping unit that crops a region where a point cloud data of aerial lines is assumed to exist as an area of interest by setting coordinates of utility poles as a reference from a three-dimensional point cloud data of a three-dimensional shape that includes the aerial lines and trees installed in the air via the utility poles; an aerial line candidate extraction unit that extracts a candidate point cloud data of the aerial lines from the three-dimensional point cloud data in the area of interest; and an aerial line model estimation unit that estimates a model of the aerial lines on the basis of the extracted candidate point cloud data of the aerial lines.

Abstract: A technique facilitates selecting and designating an arbitrary one of a plurality of aerial lines. The aerial line extraction system, includes: an area-of-interest cropping unit that crops a region where an aerial line is assumed to exist as an area of interest by setting a support of the aerial line as a reference from a three-dimensional point cloud data; an element segmenting unit that segments the area of interest into a plurality of subdivided areas, obtains a histogram by counting three-dimensional point clouds existing in each of the subdivided areas, and obtains a segmentation plane of the area of interest on the basis of the histogram; and an element display unit that segments the area of interest into a plurality of segmented areas by the segmentation plane and displays the three-dimensional point clouds included in each of the segmented areas in a distinguishable manner.

Abstract: Provided is an aerial line extraction system including: an area-of-interest cropping unit that crops a region where a point cloud data of aerial lines is assumed to exist as an area of interest by setting coordinates of utility poles as a reference from a three-dimensional point cloud data of a three-dimensional shape that includes the aerial lines and trees installed in the air via the utility poles; an aerial line candidate extraction unit that extracts a candidate point cloud data of the aerial lines from the three-dimensional point cloud data in the area of interest; and an aerial line model estimation unit that estimates a model of the aerial lines on the basis of the extracted candidate point cloud data of the aerial lines.

Abstract: A navigation apparatus comprises a map display control unit that displays a map on a display monitor, a voice information outputting unit that outputs voice information related to traveling of a vehicle, and a highlighting unit that highlights a part of the map that corresponds to the voice information in synchronization with output of the voice information by the voice information outputting unit.

Abstract: This on-vehicle map display apparatus comprises a map scale setting unit that sets a map scale, a summary map generation unit that generates a summary map by abbreviating road shapes if a map scale that is less than a predetermined scale is set by the map scale setting unit, a summary map display control unit that displays the summary map generated by the summary map generation unit upon a display monitor, a congestion information acquisition unit that acquires congestion information, and a congestion information display control unit that displays the congestion information acquired by the congestion information acquisition unit as superimposed upon the summary map displayed upon the display monitor by the summary map display control unit.

Abstract: There is disclosed a map data delivering system for providing consistent road network information from supplement map information and map update information. The map data delivering system includes a navigation terminal and a map distribution server.

Abstract: A map display method whereby the contents of a road map displayed can be easily and clearly grasped regardless of the running conditions of a vehicle. In a summarized map displayed on a display screen 10, an area including a vehicle position 11, a destination 13 and a guide route 12 between them is displayed in simplified fashion. At a position far from the destination, as shown in FIG. 2A, a summarized map of a wide area is displayed and objects including a road 14 and a facility 15 are limited to a greater degree. With the approach of the vehicle position 11 to the destination 13, as shown in FIG. 2B, the contraction scale is decreased and a summarized map of a middle area is displayed, while at the same time increasing the objects displayed. With a further approach of the vehicle position 11 to the destination 13, as shown in FIG.

Abstract: The on-vehicle information terminal according to the present invention comprises an abridged road generating device that generates abridged roads by abridging a road map based upon map data, a road decision-making device that makes a decision as to whether or not a road is a special shape road having a predetermined special shape based upon the map data, a substituting device for substitutes a specific road shape pattern stored in memory in advance for a road determined by the road decision-making device to have a special shape and a display control device that displays at the display device an abridged map containing specific road shape patterns used to substitute for special shape roads by the substituting device and the abridged roads generated by the abridged road generating device.

Abstract: This abridged map generating apparatus includes a route searching unit that searches for a plurality of routes from a departure point to a destination which has been set, an abridged map generation unit that generates an abridged map in which road shapes of the routes which are searched out by the route searching unit are simplified, based upon road map data which specifies shapes of roads by shapes of links set for each predetermined road section, and a link compactification unit that compactifies links of the routes based upon relative positional relationships of the routes before the abridged map generation unit generates the abridged map.

Abstract: There is disclosed a map data delivering system for providing consistent road network information from supplement map information and map update information. The map data delivering system includes a navigation terminal and a map distribution server.

Abstract: A navigation apparatus comprises a route setting unit that sets a route, a route characteristic point setting unit that sets a plurality of route characteristic points to the route set by the route setting unit, a priority setting unit that sets priority to each of the route characteristic points set by the route characteristic point setting unit, a selecting unit that selects any of the route characteristic points based upon the priority set by the priority setting unit, and a display control unit that displays the route and the route characteristic point selected by the selecting unit on a display monitor.

Abstract: A navigation apparatus comprises a map display control unit that displays a map on a display monitor, a voice information outputting unit that outputs voice information related to traveling of a vehicle, and a highlighting unit that highlights a part of the map that corresponds to the voice information in synchronization with output of the voice information by the voice information outputting unit.

Abstract: A controller of a navigation terminal (navigation apparatus) is configured to find a plurality of paths from a current position of a vehicle and a destination based on a plurality of different and prioritized path-finding conditions, respectively, and causes a display to show the plurality of paths which includes a navigating path found on the basis of a top-priority path-finding condition and at least one alternative path found on the other path-finding condition(s). In response to detection of deviation of the vehicle, the priority assigned to a path-finding condition based on which a specific alternative path along which the vehicle is running is changed into a top priority, and path-finding operation is performed again for paths from the current position of the vehicle to the destination to show a new navigating path and at least one new alternative path in the display.

Abstract: This abridged map generating apparatus includes an abridged map generation unit that generates an abridged map in which a shape of a road is simplified based upon road map data, wherein the road map data specifies the shapes of the road by shapes of links set for each predetermined road section, and the abridged map generation unit generates the abridged map by simplifying a shapes of a link or link series with fixed positions of both end points of the link or link series made by lining up a plurality of the links.

Abstract: An abridged map generating apparatus includes a polygon shape data extraction unit that extracts from map data polygon shape data specifying the shape of a polygon, a polygon shape simplification unit that simplifies the shape of the polygon based upon the polygon shape data which is extracted by the polygon shape data extraction unit, and a polygon drawing unit that draws upon a map the polygon whose shape has been simplified by the polygon shape simplification unit.

Abstract: This on-vehicle map display apparatus comprises a map scale setting unit that sets a map scale, a summary map generation unit that generates a summary map by abbreviating road shapes if a map scale that is less than a predetermined scale is set by the map scale setting unit, a summary map display control unit that displays the summary map generated by the summary map generation unit upon a display monitor, a congestion information acquisition unit that acquires congestion information, and a congestion information display control unit that displays the congestion information acquired by the congestion information acquisition unit as superimposed upon the summary map displayed upon the display monitor by the summary map display control unit.

Abstract: A car navigation system by which a user can easily grasp a drop-in target in the course of a route. In a summary road map displayed in a two- or one-window display representation, contents of a two-dimensional road map is properly selected and simplified, roads are made linear, roads connected to an intersection are made orthogonal so that the user can easily see it, the position of a vehicle is expressed by a mark, and even the running route is expressed with a predetermined color or the like. Accordingly, the system offers the user such a display form as able to easily refer to. When the user specifies a target at which the user wants to drop in, the drop-in target is displayed at a corresponding position on the summary road map in the form of a land mark.

Abstract: A navigation apparatus includes a route searching unit that searches for a plurality of routes from a departure point to a destination and a map display control unit that displays a map of the plurality of routes searched out by the route searching unit upon a display monitor, and, if any two or more among the plurality of routes overlap upon and pass along a same road, the map display control unit displays the overlapping portions as shifted.