AIS APPARATUS AND METHOD FOR EXTRACTING MAIN VESSEL LANE NETWORK BASED ON AIS INFORMATION

An objective of the present invention is to provide an apparatus and method for extracting a main route connection network based on AIS information, capable of extracting a center line of a main route based on the spatial characteristics of track density. The apparatus for extracting a main route co...

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Hauptverfasser: IN SANG SONG, SUNG JIN CHO, JONG SEO YIM, CHAN WOONG KIM, JAE YOUNG PARK
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Sprache:eng ; kor
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SUNG JIN CHO
JONG SEO YIM
CHAN WOONG KIM
JAE YOUNG PARK
description An objective of the present invention is to provide an apparatus and method for extracting a main route connection network based on AIS information, capable of extracting a center line of a main route based on the spatial characteristics of track density. The apparatus for extracting a main route connection network based on AIS information according to the present invention comprises: a spatial information conversion unit for converting AIS information of a certain period into spatial information; a navigation density acquisition unit for acquiring navigation density for each grid from the spatial information acquired by the spatial information conversion unit; a smoothing unit for applying a local spatial statistical function to the navigation density for each grid and then calculating and smoothing an average value for each grid; a curvature calculation unit for calculating a curvature, which is a local navigation density, from the smoothed navigation density for each grid; a center line calculation unit for calculating a center line of a main route based on the curvature of the local navigation density and an inclined direction of the local navigation density; and a connectivity rule application unit for securing the connectivity of the calculated center line of the main route by applying a rule for securing the connectivity to the calculated center line of the main route. 본 발명의 목적은 항적밀도의 공간 특성에 기반하여 주요항로 중심선을 추출할 수 있도록 하는 AIS 정보에 기반한 주요항로 연결망 추출 장치 및 방법을 제공하는 것이다. 상기 목적을 달성하기 위해, 본 발명에 따른 AIS 정보에 기반한 주요항로 연결망 추출 장치는, 일정 기간의 AIS 정보를 공간정보로 변환하는 공간정보 변환부; 상기 공간정보 변환부에서 획득한 공간정보로부터 격자별 항행밀집도를 획득하는 항행밀집도 획득부; 상기 격자별 항행밀집도에 국지적 공간 통계 함수를 적용시킨 후, 격자별 평균값을 산출하여 평활화 처리하는 평활화 처리부; 상기 평활화 처리된 격자별 항행밀집도로부터 국지적 항행밀집도인 곡률도(curvature)를 산출하는 곡률도 산출부; 상기 국지적 항행밀집도인 곡률도와 국지적 항행밀집도의 기울어진 방향(aspect)을 기반으로 주요항로 중심선을 산출하는 중심선 산출부; 상기 산출된 주요항로 중심선에 연결성 확보를 위한 규칙을 적용시켜 상기 산출된 주요항로 중심선의 연결성을 확보하는 연결성 규칙 적용부;를 포함하는 것을 특징으로 한다.
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fullrecord <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_KR102466119BB1</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>KR102466119BB1</sourcerecordid><originalsourceid>FETCH-epo_espacenet_KR102466119BB13</originalsourceid><addsrcrecordid>eNqNjLsKwkAQRdNYiPoPA9aCqxKwnM1OzJJkNuyOryoEWSvRQPx_jOAHWN1TnHOnyRVtAGwa9CjHkdhATVI4A7nzQBfxmInlA9RoGU4UAlVQIRMwydn5EjQGMuAYvk-Wx6xGsY7nyeTePYa4-O0sWeYkWbGK_auNQ9_d4jO-29Kr9WaXpkrttVbb_6wPxIEyQg</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>AIS APPARATUS AND METHOD FOR EXTRACTING MAIN VESSEL LANE NETWORK BASED ON AIS INFORMATION</title><source>esp@cenet</source><creator>IN SANG SONG ; SUNG JIN CHO ; JONG SEO YIM ; CHAN WOONG KIM ; JAE YOUNG PARK</creator><creatorcontrib>IN SANG SONG ; SUNG JIN CHO ; JONG SEO YIM ; CHAN WOONG KIM ; JAE YOUNG PARK</creatorcontrib><description>An objective of the present invention is to provide an apparatus and method for extracting a main route connection network based on AIS information, capable of extracting a center line of a main route based on the spatial characteristics of track density. The apparatus for extracting a main route connection network based on AIS information according to the present invention comprises: a spatial information conversion unit for converting AIS information of a certain period into spatial information; a navigation density acquisition unit for acquiring navigation density for each grid from the spatial information acquired by the spatial information conversion unit; a smoothing unit for applying a local spatial statistical function to the navigation density for each grid and then calculating and smoothing an average value for each grid; a curvature calculation unit for calculating a curvature, which is a local navigation density, from the smoothed navigation density for each grid; a center line calculation unit for calculating a center line of a main route based on the curvature of the local navigation density and an inclined direction of the local navigation density; and a connectivity rule application unit for securing the connectivity of the calculated center line of the main route by applying a rule for securing the connectivity to the calculated center line of the main route. 본 발명의 목적은 항적밀도의 공간 특성에 기반하여 주요항로 중심선을 추출할 수 있도록 하는 AIS 정보에 기반한 주요항로 연결망 추출 장치 및 방법을 제공하는 것이다. 상기 목적을 달성하기 위해, 본 발명에 따른 AIS 정보에 기반한 주요항로 연결망 추출 장치는, 일정 기간의 AIS 정보를 공간정보로 변환하는 공간정보 변환부; 상기 공간정보 변환부에서 획득한 공간정보로부터 격자별 항행밀집도를 획득하는 항행밀집도 획득부; 상기 격자별 항행밀집도에 국지적 공간 통계 함수를 적용시킨 후, 격자별 평균값을 산출하여 평활화 처리하는 평활화 처리부; 상기 평활화 처리된 격자별 항행밀집도로부터 국지적 항행밀집도인 곡률도(curvature)를 산출하는 곡률도 산출부; 상기 국지적 항행밀집도인 곡률도와 국지적 항행밀집도의 기울어진 방향(aspect)을 기반으로 주요항로 중심선을 산출하는 중심선 산출부; 상기 산출된 주요항로 중심선에 연결성 확보를 위한 규칙을 적용시켜 상기 산출된 주요항로 중심선의 연결성을 확보하는 연결성 규칙 적용부;를 포함하는 것을 특징으로 한다.</description><language>eng ; kor</language><subject>EQUIPMENT FOR SHIPPING ; PERFORMING OPERATIONS ; PHYSICS ; RELATED EQUIPMENT ; SHIPS OR OTHER WATERBORNE VESSELS ; SIGNALLING ; TRAFFIC CONTROL SYSTEMS ; TRANSPORTING</subject><creationdate>2022</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20221114&amp;DB=EPODOC&amp;CC=KR&amp;NR=102466119B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20221114&amp;DB=EPODOC&amp;CC=KR&amp;NR=102466119B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>IN SANG SONG</creatorcontrib><creatorcontrib>SUNG JIN CHO</creatorcontrib><creatorcontrib>JONG SEO YIM</creatorcontrib><creatorcontrib>CHAN WOONG KIM</creatorcontrib><creatorcontrib>JAE YOUNG PARK</creatorcontrib><title>AIS APPARATUS AND METHOD FOR EXTRACTING MAIN VESSEL LANE NETWORK BASED ON AIS INFORMATION</title><description>An objective of the present invention is to provide an apparatus and method for extracting a main route connection network based on AIS information, capable of extracting a center line of a main route based on the spatial characteristics of track density. The apparatus for extracting a main route connection network based on AIS information according to the present invention comprises: a spatial information conversion unit for converting AIS information of a certain period into spatial information; a navigation density acquisition unit for acquiring navigation density for each grid from the spatial information acquired by the spatial information conversion unit; a smoothing unit for applying a local spatial statistical function to the navigation density for each grid and then calculating and smoothing an average value for each grid; a curvature calculation unit for calculating a curvature, which is a local navigation density, from the smoothed navigation density for each grid; a center line calculation unit for calculating a center line of a main route based on the curvature of the local navigation density and an inclined direction of the local navigation density; and a connectivity rule application unit for securing the connectivity of the calculated center line of the main route by applying a rule for securing the connectivity to the calculated center line of the main route. 본 발명의 목적은 항적밀도의 공간 특성에 기반하여 주요항로 중심선을 추출할 수 있도록 하는 AIS 정보에 기반한 주요항로 연결망 추출 장치 및 방법을 제공하는 것이다. 상기 목적을 달성하기 위해, 본 발명에 따른 AIS 정보에 기반한 주요항로 연결망 추출 장치는, 일정 기간의 AIS 정보를 공간정보로 변환하는 공간정보 변환부; 상기 공간정보 변환부에서 획득한 공간정보로부터 격자별 항행밀집도를 획득하는 항행밀집도 획득부; 상기 격자별 항행밀집도에 국지적 공간 통계 함수를 적용시킨 후, 격자별 평균값을 산출하여 평활화 처리하는 평활화 처리부; 상기 평활화 처리된 격자별 항행밀집도로부터 국지적 항행밀집도인 곡률도(curvature)를 산출하는 곡률도 산출부; 상기 국지적 항행밀집도인 곡률도와 국지적 항행밀집도의 기울어진 방향(aspect)을 기반으로 주요항로 중심선을 산출하는 중심선 산출부; 상기 산출된 주요항로 중심선에 연결성 확보를 위한 규칙을 적용시켜 상기 산출된 주요항로 중심선의 연결성을 확보하는 연결성 규칙 적용부;를 포함하는 것을 특징으로 한다.</description><subject>EQUIPMENT FOR SHIPPING</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>RELATED EQUIPMENT</subject><subject>SHIPS OR OTHER WATERBORNE VESSELS</subject><subject>SIGNALLING</subject><subject>TRAFFIC CONTROL SYSTEMS</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjLsKwkAQRdNYiPoPA9aCqxKwnM1OzJJkNuyOryoEWSvRQPx_jOAHWN1TnHOnyRVtAGwa9CjHkdhATVI4A7nzQBfxmInlA9RoGU4UAlVQIRMwydn5EjQGMuAYvk-Wx6xGsY7nyeTePYa4-O0sWeYkWbGK_auNQ9_d4jO-29Kr9WaXpkrttVbb_6wPxIEyQg</recordid><startdate>20221114</startdate><enddate>20221114</enddate><creator>IN SANG SONG</creator><creator>SUNG JIN CHO</creator><creator>JONG SEO YIM</creator><creator>CHAN WOONG KIM</creator><creator>JAE YOUNG PARK</creator><scope>EVB</scope></search><sort><creationdate>20221114</creationdate><title>AIS APPARATUS AND METHOD FOR EXTRACTING MAIN VESSEL LANE NETWORK BASED ON AIS INFORMATION</title><author>IN SANG SONG ; SUNG JIN CHO ; JONG SEO YIM ; CHAN WOONG KIM ; JAE YOUNG PARK</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_KR102466119BB13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; kor</language><creationdate>2022</creationdate><topic>EQUIPMENT FOR SHIPPING</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>RELATED EQUIPMENT</topic><topic>SHIPS OR OTHER WATERBORNE VESSELS</topic><topic>SIGNALLING</topic><topic>TRAFFIC CONTROL SYSTEMS</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>IN SANG SONG</creatorcontrib><creatorcontrib>SUNG JIN CHO</creatorcontrib><creatorcontrib>JONG SEO YIM</creatorcontrib><creatorcontrib>CHAN WOONG KIM</creatorcontrib><creatorcontrib>JAE YOUNG PARK</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>IN SANG SONG</au><au>SUNG JIN CHO</au><au>JONG SEO YIM</au><au>CHAN WOONG KIM</au><au>JAE YOUNG PARK</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>AIS APPARATUS AND METHOD FOR EXTRACTING MAIN VESSEL LANE NETWORK BASED ON AIS INFORMATION</title><date>2022-11-14</date><risdate>2022</risdate><abstract>An objective of the present invention is to provide an apparatus and method for extracting a main route connection network based on AIS information, capable of extracting a center line of a main route based on the spatial characteristics of track density. The apparatus for extracting a main route connection network based on AIS information according to the present invention comprises: a spatial information conversion unit for converting AIS information of a certain period into spatial information; a navigation density acquisition unit for acquiring navigation density for each grid from the spatial information acquired by the spatial information conversion unit; a smoothing unit for applying a local spatial statistical function to the navigation density for each grid and then calculating and smoothing an average value for each grid; a curvature calculation unit for calculating a curvature, which is a local navigation density, from the smoothed navigation density for each grid; a center line calculation unit for calculating a center line of a main route based on the curvature of the local navigation density and an inclined direction of the local navigation density; and a connectivity rule application unit for securing the connectivity of the calculated center line of the main route by applying a rule for securing the connectivity to the calculated center line of the main route. 본 발명의 목적은 항적밀도의 공간 특성에 기반하여 주요항로 중심선을 추출할 수 있도록 하는 AIS 정보에 기반한 주요항로 연결망 추출 장치 및 방법을 제공하는 것이다. 상기 목적을 달성하기 위해, 본 발명에 따른 AIS 정보에 기반한 주요항로 연결망 추출 장치는, 일정 기간의 AIS 정보를 공간정보로 변환하는 공간정보 변환부; 상기 공간정보 변환부에서 획득한 공간정보로부터 격자별 항행밀집도를 획득하는 항행밀집도 획득부; 상기 격자별 항행밀집도에 국지적 공간 통계 함수를 적용시킨 후, 격자별 평균값을 산출하여 평활화 처리하는 평활화 처리부; 상기 평활화 처리된 격자별 항행밀집도로부터 국지적 항행밀집도인 곡률도(curvature)를 산출하는 곡률도 산출부; 상기 국지적 항행밀집도인 곡률도와 국지적 항행밀집도의 기울어진 방향(aspect)을 기반으로 주요항로 중심선을 산출하는 중심선 산출부; 상기 산출된 주요항로 중심선에 연결성 확보를 위한 규칙을 적용시켜 상기 산출된 주요항로 중심선의 연결성을 확보하는 연결성 규칙 적용부;를 포함하는 것을 특징으로 한다.</abstract><oa>free_for_read</oa></addata></record>
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subjects EQUIPMENT FOR SHIPPING
PERFORMING OPERATIONS
PHYSICS
RELATED EQUIPMENT
SHIPS OR OTHER WATERBORNE VESSELS
SIGNALLING
TRAFFIC CONTROL SYSTEMS
TRANSPORTING
title AIS APPARATUS AND METHOD FOR EXTRACTING MAIN VESSEL LANE NETWORK BASED ON AIS INFORMATION
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