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1. 发明公开

EP3051498A1 THREE-DIMENSIONAL-MAP DISPLAY SYSTEM 审中-公开
标题翻译：安捷列斯卡
公开(公告)号：EP3051498A1
公开(公告)日：2016-08-03
申请号：EP15765953.3
申请日：2015-02-02
申请人： Geo Technical Laboratory Co., Ltd.
发明人： ARAMAKI Masatoshi , KISHIKAWA Kiyonari , TESHIMA Eiji , UCHINOUMI Masashi , NAKAGAMI Masaru , AZAKAMI Tatsuya , YONEKURA Tatsurou
IPC分类号： G06T17/05 , G06T11/60 , G09B29/00 , G09B29/10
CPC分类号： G09B29/106 , G01C21/3635 , G01C21/3638 , G06T17/05 , G06T19/003 , G09B29/005 , G09B29/10
摘要： [Object]
To display a 3D map representing a feature that cannot be visually recognized such as an underground structure without a sense of discomfort.
[Solution]
With respect to features stored in the map database, an underground structure such as a tunnel are classified into a transmissive object, and other features into a non-transmissive object. Then, a transmissive object and a non-transmissive object are projected individually so as to generate a transmissive object projection view and a non-transmissive object projection view. The transmissive object projection view thus obtained is superposed on the non-transmissive object projection view with adjusted transmittance. Making the transmissive object to be transmissive and superposing it enables to realize a map that appears to the user as if a ground surface or a feature which has shielded the transmissive object is made to be transmissive whereby the transmissive object come to be visible.
摘要翻译： [对象]显示表示无法视觉识别的特征的3D地图，如地下结构，没有不适感。 [解决方案]关于存储在地图数据库中的特征，诸如隧道的地下结构被分类为透射物体，其他特征被分类成非透射物体。然后，分别投射透射物体和非透射物体，以便产生透射物体投射视图和非透射物体投影视图。由此获得的透射物体投影图像被调整的透射率重叠在非透射物体投影视图上。使透射物体透射并叠加，使得能够实现对使用者出现的地图，就好像已将屏蔽透射物体的地面或特征透射，从而透射物体变得可见。

2. 发明公开

EP2989613A1 DRAWING DATA GENERATION DEVICE AND DRAWING DEVICE 审中-公开
标题翻译：设备生产图纸数据，绘图装置
公开(公告)号：EP2989613A1
公开(公告)日：2016-03-02
申请号：EP14768460.9
申请日：2014-03-18
申请人： Geo Technical Laboratory Co., Ltd.
发明人： KISHIKAWA, Kiyonari , TESHIMA, Eiji , ARAMAKI, Masatoshi , UCHINOUMI, Masashi , NAKAGAMI, Masaru , AZAKAMI, Tatsuya
IPC分类号： G06T11/20 , G06T11/60 , G09B29/00
CPC分类号： G06T11/203 , G01C21/00 , G06F17/30061 , G06F17/30321 , G06T11/60 , G09B29/106
摘要： [Problem] An object is to enhance the drawing speed of an image using a graphics library. [Solution to Problem] An integration process is performed to integrate line data used for drawing linear features such as roads with respect to map data used to display a map image. The integration process first groups line data by the line type and the line width, for example, lines L1 and L3 drawn by thin solid lines and lines L2, L4 and L5 drawn by thick solid lines. The integration process subsequently links the lines L1 and L3 by a hidden line LA1 and links the lines L2, L4 and L5 by hidden lines LA2 and LA3, so as to integrate line data to an integral line with respect to each group. Such integration of line data reduces the number of calls for a line function used for line drawing provided in a graphics library in the process of drawing a map using the map data including the integrated line data, thereby shortening the processing time required for calling.

3. 发明公开

EP2976765A1 THREE-DIMENSIONAL MAP DISPLAY DEVICE 审中-公开
标题翻译：显示设备以三张牌
公开(公告)号：EP2976765A1
公开(公告)日：2016-01-27
申请号：EP14767591.2
申请日：2014-03-18
申请人： Geo Technical Laboratory Co., Ltd.
发明人： KISHIKAWA, Kiyonari , TESHIMA, Eiji , ARAMAKI, Masatoshi , UCHINOUMI, Masashi , NAKAGAMI, Masaru , AZAKAMI, Tatsuya
IPC分类号： G09B29/00 , G06T17/05
CPC分类号： G09B29/007 , G01C21/3638 , G06T17/05 , G09B29/005 , G09B29/008 , G09B29/106
摘要： [Problem] An object is to effectively use the space of the sky or the background for display of character strings in a three-dimensional map. [Solution to Problem] A terminal 10 includes: a transmitter/ receiver 12 that obtains map data 22 used to display each feature three-dimensionally and character data 26 representing a character string to be displayed in the three-dimensional map from a map database 20; a feature image generator 14 that generates a feature image in which each feature is drawn three-dimensionally; and a character display controller 16 that controls display of the character string on the feature image. The character display controller 16 changes over at least one of a display direction and a number of display lines of the character string with respect to each of a plurality of areas in the feature image specified according to a distance from a viewpoint set for generating the feature image, such that a length of the character string in a vertical direction increases with a decrease in distance from the viewpoint.

4. 发明公开

EP2546821A1 THREE-DIMENSIONAL MAP DRAWING SYSTEM 审中-公开
标题翻译：三维地图绘制系统
公开(公告)号：EP2546821A1
公开(公告)日：2013-01-16
申请号：EP10847469.3
申请日：2010-05-14
申请人： Geo Technical Laboratory Co., Ltd.
发明人： KISHIKAWA, Kiyonari , ADA, Masaya , TESHIMA, Eiji , IRIE, Toru , TOMITAKA, Tsubasa
IPC分类号： G09B29/00 , G01C21/00
CPC分类号： G01C21/3638 , G09B29/005 , G09B29/007 , G09B29/10
摘要： Disclosed is a three-dimensional map wherein scale is preserved. Landscape feature data, wherein roads, buildings, and other landscape features are drawn three-dimensionally, is prepared, and a three-dimensional map is drawn on the basis of the data. The landscape feature data is generated by a method that projects an actual landscape feature (CST2) upon a projection plane (PL2) with parallel lines along the projection direction (PRJ), or in other words, a parallel projection, rather than a perspective projection. The landscape feature data is comprised of either two-dimensional raster data or polygonal data that draws a parallel projected projection map. It is possible to draw the three-dimensional map by only drawing the prepared landscape feature data, without rendering or other load-intensive processing. Unlike the perspective projection, with the parallel projection, the positional relations and scale of shapes between buildings is preserved, thereby facilitating a three-dimensional map wherein scale is preserved.

5. 发明授权

EP2979254B1 THREE-DIMENSIONAL MAP DISPLAY SYSTEM 有权
标题翻译：三维地图显示系统
公开(公告)号：EP2979254B1
公开(公告)日：2017-11-08
申请号：EP14775714.0
申请日：2014-03-10
申请人： Geo Technical Laboratory Co., Ltd.
发明人： KISHIKAWA, Kiyonari , TESHIMA, Eiji , ARAMAKI, Masatoshi , UCHINOUMI, Masashi , NAKAGAMI, Masaru , AZAKAMI, Tatsuya
IPC分类号： G06T17/05 , G09B29/00
CPC分类号： G06T17/05 , G01C21/3638 , G06K9/34 , G06T7/536 , G06T2200/04 , G06T2207/30184 , G06T2210/36 , G06T2210/62 , G09B29/005 , G09B29/007
摘要： A map database stores map data in multiple levels having different levels of details. In displaying a three-dimensional map, the map data having a higher level of details is used for a close view area near the viewpoint to a predetermined distance, and the map data having a lower level of details is used for a distant view area farther from the predetermined distance. The distant view area is first drawn by a perspective projection, and then, after clearing a depth buffer that stores depth information, the close view area is drawn, such that an undesirable hidden line removal process based on the depth information is not performed between the projected image in the distant view area and that in the close view area, thereby avoiding an unnatural phenomenon in which part of the close view image is hidden by the distant view image.

6. 发明公开

EP2979252A1 THREE-DIMENSIONAL IMAGE OUTPUT DEVICE AND BACKGROUND IMAGE GENERATION DEVICE 审中-公开
标题翻译：三维图像输出装置和背景图像生成装置
公开(公告)号：EP2979252A1
公开(公告)日：2016-02-03
申请号：EP14774190.4
申请日：2014-03-18
申请人： Geo Technical Laboratory Co., Ltd.
发明人： KISHIKAWA, Kiyonari , TESHIMA, Eiji , ARAMAKI, Masatoshi , UCHINOUMI, Masashi , NAKAGAMI, Masaru , AZAKAMI, Tatsuya
IPC分类号： G06T17/05 , G06T15/00 , G06T19/00 , G09B29/00
CPC分类号： G06T11/60 , G01C21/3638 , G06F3/013 , G06T17/05 , G06T2215/16 , G06T2219/2012 , G09B29/005 , H04N5/272 , H04N9/045
摘要： A projection (projected image) is drawn by perspective projection of a three-dimensional model with a background image having improved reality. When a sightline of the perspective projection looks down from above, the projected image is drawn into an object drawing area which is a lower part of an image picture. A background layer representing the stratosphere is separately generated by two-dimensionally drawing a background image, in which the stratosphere (hatched area) is opaque, while the remaining area is transparent. The boundary between the opaque portion and the transparent portion forms a curved line that is convex upward to express a curved horizon. The background layer is superimposed in front of the projected image, not behind the projected image, thereby covering an upper edge portion of the projected image including a straight-lined upper edge, so as to provide a curved boundary realizing a curved pseudo horizon in the image picture.
摘要翻译： [问题]目标是在抑制三维绘制对象的三维图像的输出中的处理负荷的增加的同时，与背景图像一起，改善绘制背景的真实性。 [问题的解决方案]通过三维模型的透视投影绘制投影。当透视投影的注视方向被设置为从上方向下看时，投影被绘制在图像下部的对象绘图范围中。代表平流层的背景层是通过二维绘制与投影分开提供的背景图像生成的。平流层（阴影区域）被指定为不透明部分，剩余区域被指定为透明部分。透明部分和不透明部分之间的边界由向上凸起以表示曲线的水平线的曲线表示。背景层不是叠加在投影后面，而是叠加在投影的前表面上。这导致包括由直线画出的上边缘的投影的上边缘部分被遮盖和隐藏，并且由曲线表示边界。这提供了由曲线表示地平线的伪图像。

7. 发明公开

EP3249614A1 THREE-DIMENSIONAL MAP DISPLAY SYSTEM 审中-公开
标题翻译：三维地图显示系统
公开(公告)号：EP3249614A1
公开(公告)日：2017-11-29
申请号：EP15878956.0
申请日：2015-12-22
申请人： Geo Technical Laboratory Co., Ltd.
发明人： UCHINOUMI Masashi , TESHIMA Eiji , FUKUSHIMA Yuki
IPC分类号： G06T17/05 , G06T15/00 , G09B29/00 , G09B29/10
CPC分类号： G06T15/00 , G06T17/05 , G09B29/00 , G09B29/10
摘要： [Problem]
To display a three-dimensional map over the whole display area with a relatively light load. [Solution] A high-definition model database 17 for expressing a planimetric feature in detail and a simple model database 16 for simple expression are prepared as map databases. When displaying a three-dimensional map, a simple three-dimensional map is drawn in a whole display area using the simple model, and for a high-definition model drawing range within a prescribed distance from a viewpoint, a high-definition three-dimensional map is drawn in another layer using the high-definition model. The high-definition three-dimensional map is superposed in front of the simple three-dimensional map, and the two are then combined together to cause the three-dimensional map to be displayed. At this time, the high-definition three-dimensional map near the border with the high-definition model drawing range is drawn translucently, and both are thereby merged without a sense of incongruity. Furthermore, when there is a viewpoint near the border where the high-definition model is provided, the whole of the high-definition model is drawn translucently, thereby making it possible for the high-definition three-dimensional map to be gradually rendered transparent and transitioned to the display of only the simple three-dimensional map without a sense of incongruity.
摘要翻译： [问题]以相对较轻的负载在整个显示区域上显示三维地图。 [解决方案]准备用于详细表现平面特征的高分辨率模型数据库17和用于简单表现的简单模型数据库16作为地图数据库。当显示三维地图时，使用简单模型在整个显示区域中绘制简单的三维地图，并且对于距离视点的规定距离内的高清晰度模型绘制范围，将高清三维使用高分辨率模型在另一个图层中绘制地图。将高分辨率三维地图叠加在简单三维地图的前面，然后将这两个地图组合在一起以显示三维地图。此时，高清晰度模型绘制范围的边界附近的高清晰度三维地图被半透明地绘制，并且因此合并而没有不协调感。另外，在设置有高精细模型的边界附近存在视点的情况下，半透明地绘制整个高精细模型，能够使高清晰度的三维地图逐渐变得透明，过渡到仅显示简单的三维地图而没有不协调感。

8. 发明公开

EP3035293A1 THREE-DIMENSIONAL MAP DISPLAY SYSTEM 审中-公开
标题翻译：安捷列斯卡
公开(公告)号：EP3035293A1
公开(公告)日：2016-06-22
申请号：EP14836758.4
申请日：2014-07-14
申请人： Geo Technical Laboratory Co., Ltd.
发明人： KISHIKAWA Kiyonari , TESHIMA Eiji , ARAMAKI Masatoshi , UCHINOUMI Masashi , NAKAGAMI Masaru , AZAKAMI Tatsuya , YONEKURA Tatsurou
IPC分类号： G06T17/05 , G09B29/00
CPC分类号： G06T17/05 , G06T3/40 , G06T11/203 , G06T15/405 , G06T2200/04
摘要： [Problem] To reduce obstructions caused by depth determination in the drawing of a three-dimensional map. [Solution] A three-dimensional map display system (100) uses a first drawing section (42) to perform depth determination and hidden-surface processing when drawing a ground surface and terrestrial features. Subsequently, the system uses a second drawing section (46) to draw subterranean features in a superimposed manner on the drawing result by the first drawing section (42) without performing the depth determination and hidden-surface processing with respect to the drawing result by the first drawing section (42). During the drawing of the subterranean features, the subterranean features are prohibited from being drawn in overlapping areas with terrestrial structures by the use of a mask image generated by a mask image generation section (44) such that the subterranean features are displayed as if the depth determination was performed between the terrestrial structures and the subterranean features.
摘要翻译： [问题]减少三维地图绘制中的深度确定引起的障碍物。 [解决方案]三维地图显示系统（100）在绘制地面和地面特征时，使用第一绘图部（42）进行深度判定和隐藏表面处理。随后，系统使用第二绘图部分（46）以叠加方式绘制第一绘图部分（42）的绘图结果上的地下特征，而不对相对于绘图结果执行深度确定和隐藏表面处理第一绘图部分（42）。在绘制地下特征期间，通过使用由掩模图像生成部分（44）生成的掩模图像，禁止地下特征被绘制在具有地面结构的重叠区域中，使得地下特征被显示为如同深度在陆地结构和地下特征之间进行了确定。

9. 发明公开

EP3009988A1 3D MAP DISPLAY SYSTEM 审中-公开
标题翻译： 3D-KARTENANZEIGESYSTEM
公开(公告)号：EP3009988A1
公开(公告)日：2016-04-20
申请号：EP14811411.9
申请日：2014-06-03
申请人： Geo Technical Laboratory Co., Ltd.
发明人： KISHIKAWA Kiyonari , TESHIMA Eiji , ARAMAKI Masatoshi , ADA Masaya , TOMITAKA Tsubasa , KIMURA Tatsuji , NAKAGAMI Masaru , AZAKAMI Tatsuya , FUKUSAKI Mai
IPC分类号： G06T17/05 , G06T15/50 , G09B29/00
CPC分类号： G06T17/05 , G01C21/26 , G01C21/3638 , G01C21/367 , G06F17/30268 , G06T11/60 , G06T15/04 , G06T15/506
摘要： [Problem] To make a 3D map appear more realistic with a comparatively low computational burden. [Solution] In this 3D-map-displaying navigation system, a perspective projection is performed on a 3D model to display a 3D image. When displaying same in a night-view mode, in addition to darkening the overall color scheme, white points representing light sources are displayed on buildings and roads. For buildings, a number of light sources corresponding to the height of the building are displayed linearly in the height direction. For roads, a number of light sources corresponding to the type of the road, i.e. two rows for freeways and one row for narrow streets, are laid out along the road. This makes it possible to make a 3D map appear more realistic without using a detailed 3D model including windows in buildings, roadside trees, and the like.
摘要翻译： [问题]为了使3D地图看起来更加逼真，计算量相对较低。 [解决方案]在这个3D地图显示导航系统中，在3D模型上执行透视投影以显示3D图像。当以夜视模式显示时，除了整体色彩变暗之外，还可以在建筑物和道路上显示表示光源的白点。对于建筑物，对应于建筑物的高度的多个光源在高度方向上线性地显示。对于道路，沿着道路布置了对应于道路类型的许多光源，即用于高速公路的两排和用于狭窄的街道的一排。这使得可以使3D地图看起来更逼真，而不使用包括建筑物中的窗户，路边树等的详细3D模型。

10. 发明公开

EP2192554A1 DATA STRUCTURE OF ROUTE GUIDANCE DATABASE 有权
标题翻译： DATENSTRUKTURFÜREINESTRECKENFÜHRUNGSDATENBANK
公开(公告)号：EP2192554A1
公开(公告)日：2010-06-02
申请号：EP08871914.1
申请日：2008-10-21
申请人： Geo Technical Laboratory Co., Ltd.
发明人： KISHIKAWA, Kiyonari , TESHIMA, Eiji , ARAMAKI, Masatoshi , SHIMOZURU, Hideyuki , ADA, Masaya , KIMURA, Tatsuji , BABA, Satomi , TOU, Kouhei , IRIE, Toru
IPC分类号： G06T17/50 , G01C21/00 , G08G1/0969 , G09B29/00 , G09B29/10
CPC分类号： G06T19/003 , G01C21/3632 , G01C21/3658 , G06F17/30241
摘要： It is an object to realize a route guidance that follows a real passage mode without a feeling of wrongness. In a route guidance device, aside from a two-dimensional road network for a route search, a three-dimensional road network used for the route guidance and guiding line shape data are prepared. The guiding line shape data are three-dimensional guidance display data that guide you to go straight through a crossroads, to turn right, to turn left, etc. in accordance with a passage mode or guide you to change a car lane before you enter a crossroads. A link node of the two-dimensional road network is associated with the guiding line shape data through the three-dimensional road network. The route search is carried out by using the two-dimensional road network. The route guidance is carried out by using the guiding line shape data associated with the link node acquired by the route search. This can realize an instinctively understandable route guidance that follows a passage mode without increasing a load of a route search.
摘要翻译：实现在没有错误感的情况下遵循真正的通行模式的路线引导的对象。在路径引导装置中，除了用于路线搜索的二维道路网之外，准备了用于路线引导和引导线形状数据的三维道路网。引导线形状数据是指导您直接穿过十字路口，向右转，左转等的三维引导显示数据，或者指导您在进入车道前更换车道十字路口。二维道路网络的链路节点通过三维道路网与引导线形状数据相关联。路线搜索是通过二维道路网进行的。通过使用与通过路线搜索获取的链路节点相关联的引导线形状数据来执行路线引导。这可以实现沿着通道模式的本能可理解的路线引导，而不增加路线搜索的负载。

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