EP2067005A1 - Verfahren zur bereitstellung von kodierten geobilddaten - Google Patents
Verfahren zur bereitstellung von kodierten geobilddatenInfo
- Publication number
- EP2067005A1 EP2067005A1 EP07820463A EP07820463A EP2067005A1 EP 2067005 A1 EP2067005 A1 EP 2067005A1 EP 07820463 A EP07820463 A EP 07820463A EP 07820463 A EP07820463 A EP 07820463A EP 2067005 A1 EP2067005 A1 EP 2067005A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- image data
- transmitted
- server unit
- navigation
- receiver module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
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- 101000955481 Homo sapiens Phosphatidylcholine translocator ABCB4 Proteins 0.000 claims description 13
- 102100039032 Phosphatidylcholine translocator ABCB4 Human genes 0.000 claims description 13
- 208000000115 gallbladder disease 3 Diseases 0.000 claims description 10
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- 206010073261 Ovarian theca cell tumour Diseases 0.000 claims 1
- 238000011156 evaluation Methods 0.000 description 5
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- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3626—Details of the output of route guidance instructions
- G01C21/3647—Guidance involving output of stored or live camera images or video streams
Definitions
- the invention relates to a method for providing encoded geoimage from a server unit to at least one navigation receiver module, a geographical Be is ⁇ rich predetermined by means of data stored in the server unit uncoded geoimage and at least there is a wireless communication interface between the server unit and the at least one navigation receiver module.
- a navigation receiver module for receiving from the "Global Positioning System” includes (GPS) position and / or velocity signals at least a display unit on which a preferably based on a vector map area, for example egg ⁇ ner map or a city map is displayed.
- ⁇ in one map section is preferably represented, in which the object is connected to the navigation receiver module is currently in.
- from the empfange- NEN GPS position signals next to the current position information and direction and / or speed information can be derived and possibly on a further Display unit to ⁇ shows or Studentsla ⁇ siege the map shown.
- the required to produce the map section on the adosein ⁇ comprehensive map data is often on a removable disk, such as a DVD ( "Digital Video Disc") is stored.
- the removable media here includes all showing a completed geographical area, such as individual countries or Map data obtained by the navigation receiver module from the map data, the map data relating to the map section to be displayed selected and displayed on the display unit.
- the map data shown for example by means of a Vektorgra ⁇ PhiK here have a sufficiently high resolution to give the user the Navigationssys ⁇ tems a good impression of the route or still to be driving path.
- geographic image data relate to aerial images of a given geographic area of the earth's surface generated by a satellite unit, which, for example, can be made available stationary in the navigation system in addition to the map data and can be displayed on the display unit the user an additional information gain.
- coding methods thus use different coding depths, especially for areas where tuschshnee quality can be accepted, ie image data which are reproduced the face of a human being encoded with ei ⁇ ner higher coding depth than the image data relating to the background.
- the object is achieved on the basis of the features of Oberbegrif ⁇ fes of claim 1 by its characterizing features ⁇ male.
- the essential aspect of the inventive process is the fact that from the navigation receiver module at least ⁇ position information to the server unit übertra ⁇ gen is. Subsequently, an expected range is selected in the server unit as a function of the transmitted position information from the geographical area, and first uncompressed geo ⁇ image data representing the selected expected range is determined. Finally, the first uncompressed geo-image data in the server unit is compressed and the transmit first compressed geo-image data from the server unit to the navigation receiver module via the at least one wireless communication interface.
- ⁇ advantageous light-made process of the invention a significant Reduzie- tion of the transferred data volume and thus a time ⁇ timely provision of geoimage to a navigation system. This saves both transmission volume and transmission time. Because of the reduced amount of data is to be additionally ⁇ more frequent updating of the transmitted geo-image data possible.
- the current direction of movement of the navigation receiver module indicating directional information and / or overall transfer speed information in addition to the position Informa ⁇ tion and depending on the
- the expected range indicates the geographical area that includes the current location of the object connected to the navigation system and within which the object will be in the next few minutes, taking into account the transmitted direction of movement and / or movement speed.
- a buffer area including the expected area is determined, whose associated second geographic image data is preferably coded with an average coding depth.
- the remaining third geographic data of the geographic area are coded with a very low coding depth.
- Fig. 1 an example of a schematic block diagram of egg ⁇ nes system for providing compressed geoimage
- Fig. 2 an example of a schematic block diagram of egg ⁇ nes navigation system
- FIG. 3 shows an example of the division of a geographical area into individual navigation sections and their different coding depths.
- FIG. 1 shows, by way of example, a schematic block diagram of a system S for recording geographic image data GBD.
- the system S has at least one preferably centrally arranged server unit SU, which can be connected via at least one air interface LS with satellite units SAT and via at least one wireless communication interface KS with a navigation system NS.
- a predetermined geographical area B for example, a country or a region are generated and transmitted over the air interface LS to the server unit SU ⁇ the.
- the geographical area B includes, for example, a surface portion of a size of 0.1 to 1000 km 2 .
- the server unit SU includes a processor unit PU and ⁇ least a memory unit MU in which the uncoded geoimage be stored GBD of the geographical area B preferably.
- the processor unit PU is configured for exporting ⁇ tion of a control and evaluation routine SAR, via which a particular treatment, and in particular encoding the data stored in the memory unit MU, or currently received from one of the satellite units SAT uncoded geoimage GBD.
- the encoded geoimage GBD ' may be GE ⁇ stores, for example also in the memory unit MU.
- the image recordings of the geographic area B generated via the satellite units SAT are created with the highest possible resolution, resulting in extensive data volumes of uncoded geolag data GBD, but which allow a detailed reproduction of the geographical area B.
- both a mobile navigation system NS which, for example, carries an operator BP with it, as shown also a tightly integrated in a vehicle navigation F ⁇ system NS.
- NS The construction of such Navigati ⁇ onssystems is explained below with reference to a schematic block diagram according to FIG. 2
- the navigation system NS in each case has a navigation receiver module NEM, to which at least one display unit AE is connected.
- the display unit AE can example ⁇ as a display unit or display unit, in particular "Liquid Cristal Display" -adosnhim be realized.
- the navigation receiver module NEM a transmitter and receiver unit SEE, at ⁇ a storage medium MM and a processor unit least CM
- the storage medium MM can, for example, comprise a data carrier drive, in particular a DVD drive (not shown in FIG. 2), or can be connected to such a data carrier drive
- the storage medium MM is in this case in particular for receiving card data KD and, if appropriate, provided statio ⁇ nary geo image data.
- the display unit AE is divided for example into first and second display portion AEI, AE2, in which un ⁇ teretzliche navigation information can be displayed.
- a current location P of the navigation system NS associated object indicating map section Darge ⁇ provides in the first display portion AEI.
- This current location P comprehensive Receiveaus ⁇ section is generated for example in the form of a vector graphic on the basis of the associated map data KD.
- additional Navigati ⁇ onsf as produced for example, by evaluating the stationary geoimage real picture images of the environment can be represented, which are displayed, for example, as a background image in addition to the navigation information in the second display portion AE2.
- the user of the navigation system NS receives a realistic impression of the current location P-related environment by means of superimposing such real-image recordings.
- the navigation area or geographical area B is determined by the control and evaluation unit into individual SAR preferably square geographic navigation sections Al - An divided on ⁇ which preferably have the same geographical area and are arranged in a checkerboard pattern to each other.
- that navigation section Ap is determined which comprises the current location P of the object connected to the navigation system NS.
- a direction information RI and / or a speed information GI can be transmitted together with the position information PI.
- the direction information RI here indicates the direction of movement and the speed information GI to the current speed of movement of each connected to the Naviga ⁇ tion receiver module NEM object, for example the operator BP or the vehicle F.
- the expectancy range E preferably comprises the current location P of the navigation system NS ⁇ related object as well as those geographical area in which the object is scheduled to arrive in consideration of the moving direction and its speed in the next few minutes. This results in a preferably lobe-shaped configuration of the expectation preparation ⁇ ches E, namely starting from the current location P in Rich ⁇ tung the direction indicated by the direction information RI moving direction of the object, in particular of the vehicle F.
- the expected range E is defined in a preferred embodiment by several adjoining navigation ⁇ sections Ap, Ap-I, Ap + 1, etc., wherein in the context of determining the expected range E preferably of the current location P comprehensive navigation section Ap and to this adjacent navigation sections Ap + 1, Ap-I, etc., and the navigation sections Ap ', Ap + 1', Ap-I ', etc., which follow in the direction of movement, are also included. so that even a short-term change in direction of the vehicle F by the selected expectation range E is included.
- the expected area E is extended by a buffer area PB which surrounds the expected area E and is determined as a function of the selected expected area E.
- the buffer area PB is formed by the further navigation sections Ap + 2, Ap-2, etc. following the expected area E.
- FIG. 3 shows by way of example the expected range E and the associated buffer area PB of the geographical area B.
- the object connected to the navigation system NS moves from the location P in the direction indicated by the direction information RI and speed information GI.
- the remaining navigation sections represent the further traffic area V which can be reached within the geographical area B and which can be displayed by means of the geographic image data GBD stored in the central server unit SU.
- the geographical area B in the expectations ⁇ processing area E, the buffer area PB and the subsequent transport V breaks down.
- the associated geo-image data is determined by the control and evaluation routine SAR GBD are selected, namely first the expected range E reproducing geo image data GBDl and second buffer area PB reproducing geo image data GBD2 determined.
- the remaining third geographic image data GBD3 are assigned to the traffic areas V.
- the first and second geographic image data GBD1, GBD2 are encoded and the resulting first and second encoded geographic image data GBD1 ', GBD2' are transmitted via the wireless communication interface KS to the navigation system NS.
- the third geographic image data GBD3 may also be subjected to coding and transmitted to the navigation system NS.
- the coding of the first, second and third geomur data GBD1, GBD2, GBD3 results in a considerable reduction of the data volume to be transmitted.
- the coding-related quality losses in the individual navigation sections Ap, Ap ', Ap + 1, Ap-1, Ap + 2, Ap-2etc. to keep the expected range E as small as mög ⁇ Lich
- the first geoimage GBDl with a first coding depth KDL and the second geoimage GBD2 be coded with a second coding depth KD2, wherein the ERS ⁇ th coding depth KDL is selected higher than the second coding depth KD2.
- the third geographic image data GBD3 assigned to the traffic region V are encoded with a third encoding depth KD3, which is significantly smaller than the first and second encoding depths KD1, KD2. This ensures that the first coded geo image data GBD1 'still contain a sufficient number of image information in order to be able to display the geographical expectation region E with sufficiently high resolution in the navigation system NS after its decoding.
- the co ⁇ d iststiefe KDL, KD 2, KD3 thus assumes the expected range E to transport V with increasing distance up from the current location P rush increasingly dependent.
- the first and second coded geographic image data GBD1 ', GBD2' are stored in the navigation receiver module NEM by its transmission and receiving unit SEE received and further processed by the control unit CM, in particular decoded and possibly ska ⁇ liert or prepared for display on the second display section AE2 of the display unit AE.
- the processed first and second geographic data GBD1, GBD2 can be supplemented by additional vector graphics, road information and / or further navigation information, which generates the real image recordings of the expected or the first geographic image data GBD1, GBD2 Buffer area E, PB are superimposed.
- a navigation system NS In addition to the direction and speed information RI can GI a navigation system NS individually assigned identification number ID and predetermined characteristics transfer its display unit AE such as resolution, An ⁇ number of colors, etc. in connection with the request NS from the navigation system to the central server unit SU who ⁇ the.
- the identification number ID By means of the identification number ID, the respective navigation system NS can be unambiguously identified by the central server unit SU, ie by means of the control and evaluation routine SAR those geographic image data GBD can be determined which has already been transmitted to the navigation system NS or the navigation receiver module NEM.
- GBD3 ' are determined at different routes or routes, which are first stored in the memory unit MU of zentra ⁇ len server unit SU and can be retrieved as needed by the navigation system NS, whereby a dynamic generation of alternative routes is possible.
- the described method can also be used as an extension to navigation systems NS with stationary geographic image data, which are provided, for example, on a local storage medium or the data carrier of the navigation system NS.
- the above-described communication connection KV is established to the server unit SU, via which the required further geographic image data GBD can be retrieved optionally in encoded form, optionally requiring a charge and thus a virtual to the user of the navigation system NS enlarged Abde ⁇ ckungs Complex is provided.
- the coded geo image data GBD1 '- GBD3' transmitted by the central control unit SU can also be used in particular for
- the central control unit SU is designed as a fleet management server unit, which transmits traffic and / or weather information to assigned navigation systems NS in addition to the coded geographic image data GBD1 '- GBD3'.
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Automation & Control Theory (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Instructional Devices (AREA)
- Navigation (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006045887A DE102006045887B4 (de) | 2006-09-28 | 2006-09-28 | Verfahren zur Bereitstellung von kodierten Geobilddaten |
| PCT/EP2007/060043 WO2008037664A1 (de) | 2006-09-28 | 2007-09-21 | Verfahren zur bereitstellung von kodierten geobilddaten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2067005A1 true EP2067005A1 (de) | 2009-06-10 |
Family
ID=38924512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07820463A Ceased EP2067005A1 (de) | 2006-09-28 | 2007-09-21 | Verfahren zur bereitstellung von kodierten geobilddaten |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9470542B2 (de) |
| EP (1) | EP2067005A1 (de) |
| JP (1) | JP5114486B2 (de) |
| CN (1) | CN101529207B (de) |
| DE (1) | DE102006045887B4 (de) |
| WO (1) | WO2008037664A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6522137B2 (ja) * | 2015-09-04 | 2019-05-29 | 株式会社イッツ・エムエムシー | 経路選択支援装置、経路選択支援方法及びコンピュータプログラム |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU614893B2 (en) * | 1989-01-18 | 1991-09-12 | Sharp Kabushiki Kaisha | Mobile object navigation system |
| JP3743037B2 (ja) * | 1995-11-01 | 2006-02-08 | 株式会社日立製作所 | 移動端末への情報提供方法、情報提供システム及び移動端末 |
| DE19756297C2 (de) * | 1997-12-10 | 2001-10-18 | Ver Energiewerke Ag | Verfahren und Anordnung zur Aufbereitung und Bereitstellung von satelliten- und luftbildgestützten Bildkarten für die verkehrstechnische Leitung von Kraftfahrzeugen |
| DE19938320A1 (de) * | 1999-08-12 | 2001-02-15 | Robot Foto Electr Kg | Ortsadaptive Bildkompression |
| JP3856999B2 (ja) | 1999-10-18 | 2006-12-13 | 三菱電機株式会社 | 通信型ナビゲーションシステム |
| EP1152383B1 (de) * | 2000-04-28 | 2008-02-20 | Matsushita Electric Industrial Co., Ltd. | Interaktives Navigationssystem |
| DE10043966A1 (de) * | 2000-09-06 | 2002-03-21 | Werner Ilzhoefer | Verfahren zur Navigation von Fahrzeugen |
| JP4456667B2 (ja) * | 2001-04-20 | 2010-04-28 | アルパイン株式会社 | ナビゲーション装置 |
| JP2003051094A (ja) * | 2001-08-03 | 2003-02-21 | Nissan Motor Co Ltd | 地図情報表示システム、地図情報表示装置及び地図情報表示方法 |
| EP1502080B1 (de) * | 2002-04-30 | 2013-05-22 | Telmap Ltd. | Navigationssystem welches korridorkarten verwendet |
| JP2003329467A (ja) * | 2002-05-13 | 2003-11-19 | Fujitsu Ten Ltd | ナビゲーション装置 |
| CN100449266C (zh) | 2002-08-09 | 2009-01-07 | 爱信艾达株式会社 | 地图显示装置 |
| US6885939B2 (en) * | 2002-12-31 | 2005-04-26 | Robert Bosch Gmbh | System and method for advanced 3D visualization for mobile navigation units |
| JP2005010384A (ja) * | 2003-06-18 | 2005-01-13 | Xanavi Informatics Corp | 地図表示方法、車載情報端末 |
| JP4148159B2 (ja) * | 2004-03-01 | 2008-09-10 | 株式会社日立製作所 | ナビゲーションシステム |
| US7342516B2 (en) | 2003-10-08 | 2008-03-11 | Hitachi, Ltd. | Method and apparatus for communicating map and route guidance information for vehicle navigation |
| US20080201070A1 (en) * | 2004-06-18 | 2008-08-21 | Navitime Japan Co., Ltd. | Communicative Navigation System, Information Distribution Server, and Mobile Navigation Terminal |
| KR100712966B1 (ko) * | 2004-12-27 | 2007-05-02 | 주식회사 엔지스테크널러지 | 항법 서비스 방법 및 그에 따른 단말기 |
| JP4247684B2 (ja) | 2005-01-19 | 2009-04-02 | ソニー株式会社 | 地図表示装置及び地図表示方法 |
| US7495582B2 (en) * | 2005-03-08 | 2009-02-24 | Northrop Grumman Corporation | Geographic information storage, transmission and display system |
| CA2600383A1 (en) * | 2005-03-09 | 2006-09-14 | Tomtom International B.V. | Apparatus for and method of compiling a combined picture and showing it on a display |
| CN1783162A (zh) * | 2005-06-27 | 2006-06-07 | 唐春辉 | 一种智能交通监测和行车实时导航系统 |
| US8700308B2 (en) * | 2006-03-31 | 2014-04-15 | Volkswagen Ag | Navigation system for a motor vehicle |
-
2006
- 2006-09-28 DE DE102006045887A patent/DE102006045887B4/de not_active Expired - Fee Related
-
2007
- 2007-09-21 JP JP2009529670A patent/JP5114486B2/ja not_active Expired - Fee Related
- 2007-09-21 US US12/311,349 patent/US9470542B2/en not_active Expired - Fee Related
- 2007-09-21 CN CN2007800362513A patent/CN101529207B/zh not_active Expired - Fee Related
- 2007-09-21 WO PCT/EP2007/060043 patent/WO2008037664A1/de not_active Ceased
- 2007-09-21 EP EP07820463A patent/EP2067005A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2008037664A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101529207A (zh) | 2009-09-09 |
| JP5114486B2 (ja) | 2013-01-09 |
| WO2008037664A1 (de) | 2008-04-03 |
| US20090276152A1 (en) | 2009-11-05 |
| DE102006045887B4 (de) | 2011-02-10 |
| DE102006045887A1 (de) | 2008-04-03 |
| CN101529207B (zh) | 2011-11-16 |
| JP2010505136A (ja) | 2010-02-18 |
| US9470542B2 (en) | 2016-10-18 |
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