Electronics and Telecommunications Research Institute

In Sung Jang

Jae Jun Yoo

In Hak Joo

Moonsoo Lee

Min Soo Kim

Kyoung-Wook Min

Kyoung Hwan An

Ju Wan Kim

Sung Woong Shin

Hyoung Sun Kim

Inhak Joo

Yoon Seop Chang

Chung-ho Lee

A Hyun Lee

Jung Hee Jo

Chung Ho Lee

Jae Min Seol

Won Geun Choi

Disclosed are an apparatus and method for configuring spatial information required to visualize a space represented based on a hierarchical structure having a plurality of levels each of which includes one or more tiles, configuring spatial information. The method includes checking tile visibility of each level according to whether a tile exists in the corresponding level; grouping one or more levels in which tile visibility is consistently maintained into one or more groups; and assigning a tile visibility index to each group.

Method and apparatus for configuring spatial information

A method of visualizing an image, a device and a system using the same. The method of visualizing, by a device operatively connected with an image provision server, an image configured in a hierarchical structure including a plurality of levels includes receiving tile visualization information in an encoded form from the image provision server, the tile visualization information including a tile visualization type determined according to whether at least one tile belonging to each of the levels of the image includes data; decoding the encoded tile visualization information and obtaining the tile visualization information; making a request to the image providing server for data for a target level and tile, which are to be visualized according to the tile visualization information; and displaying an image, which is to be visualized, received from the image provision server.

Method of visualizing image based on hierarchical presentation of image tile information, device and system using the method

A tile map service (TMS) device and method are provided. The TMS device includes a storage configured to store map layers that have different map types, map data of an image tile form having a level of detail (LOD) structure of each of the map layers, and a tile map in which image tile maps of a plurality of map layers are merged; a communicator configured to receive map request information including two or more map types, an LOD level, and arbitrary map coordinates from a client; and a provider configured to provide a tile map corresponding to the map request information to the client.

Tile map service device and method

A system and method are provided, the system and method for providing a tile map related to a region having low data frequency or a region having same color property, by providing the tile map using not only national territorial information on land but also marine spatial information and dynamic sensing information.

System and method for providing tile-map using electronic navigation chart

A route guide method includes collecting state information of respective points of interest (POIs) and storing the collected state information in a state information database, extracting state information of one or more candidate POIs with reference to the state information database according to a request for the state information of the one or more candidate POIs, and applying the extracted state information of the candidate POIs to routes to the respective POIs to guide a user along the routes to the respective candidate POIs.

Route guide system and method using state information of POI

A system for providing spatial-based context-aware service includes a database configured to store a geocontext including spatial information, one or more contexts, and sensor data; a sensor/context catalog server configured to manage meta data of the contexts and the sensor data; a context processing server configured to generate a list of contexts applicable to the mobile device based on the sensor data and the meta data upon a receipt of the sensor data from the mobile device; a geocontext search server configured to search the database for candidate geocontexts appropriate for the user of the mobile device by using the location information of the mobile device and the list of contexts; and a context-aware management server configured to generate a list of recommended services by executing the searched candidate geocontexts.

Method and system for providing spatial-based context-aware service

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Sejong-si, South Korea

In Sung Jang