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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creator | IN SANG SONG 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&date=20221114&DB=EPODOC&CC=KR&NR=102466119B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20221114&DB=EPODOC&CC=KR&NR=102466119B1$$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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