MOBILE OBJECT
An object is to provide a moving object capable of being calculated a movement amount with a low processing load and high accuracy even when a three-dimensional object which is stationary or moves appears in a camera image. The invention is directed to a moving object which includes an imaging devic...
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creator | YAMAMOTO Kenjiro KANEKO Alex Masuo |
description | An object is to provide a moving object capable of being calculated a movement amount with a low processing load and high accuracy even when a three-dimensional object which is stationary or moves appears in a camera image. The invention is directed to a moving object which includes an imaging device which captures an image of a road surface and an image processing unit which calculates a movement amount of the moving object based on an image captured by the imaging device, wherein the image processing unit extracts a plurality of first feature points from a first image captured at a first timing, extracts a plurality of second feature points from a second image captured at a second timing after the first timing, performs tracking on each of the plurality of first feature points to each of the plurality of second feature points, calculates a movement amount and a speed of each of the plurality of second feature points, and calculates a movement amount of the moving object based on a feature point having a speed within a predetermined range among the plurality of second feature points. |
format | Patent |
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The invention is directed to a moving object which includes an imaging device which captures an image of a road surface and an image processing unit which calculates a movement amount of the moving object based on an image captured by the imaging device, wherein the image processing unit extracts a plurality of first feature points from a first image captured at a first timing, extracts a plurality of second feature points from a second image captured at a second timing after the first timing, performs tracking on each of the plurality of first feature points to each of the plurality of second feature points, calculates a movement amount and a speed of each of the plurality of second feature points, and calculates a movement amount of the moving object based on a feature point having a speed within a predetermined range among the plurality of second feature points.</description><language>eng ; fre ; ger</language><subject>CALCULATING ; COMPUTING ; COUNTING ; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL ; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT ; MEASURING ; MEASURING ANGLES ; MEASURING AREAS ; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS ; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS ; MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK ; PHYSICS ; SIGNALLING ; TESTING ; TRAFFIC CONTROL SYSTEMS</subject><creationdate>2019</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=20191016&DB=EPODOC&CC=EP&NR=3422293A4$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20191016&DB=EPODOC&CC=EP&NR=3422293A4$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YAMAMOTO Kenjiro</creatorcontrib><creatorcontrib>KANEKO Alex Masuo</creatorcontrib><title>MOBILE OBJECT</title><description>An object is to provide a moving object capable of being calculated a movement amount with a low processing load and high accuracy even when a three-dimensional object which is stationary or moves appears in a camera image. The invention is directed to a moving object which includes an imaging device which captures an image of a road surface and an image processing unit which calculates a movement amount of the moving object based on an image captured by the imaging device, wherein the image processing unit extracts a plurality of first feature points from a first image captured at a first timing, extracts a plurality of second feature points from a second image captured at a second timing after the first timing, performs tracking on each of the plurality of first feature points to each of the plurality of second feature points, calculates a movement amount and a speed of each of the plurality of second feature points, and calculates a movement amount of the moving object based on a feature point having a speed within a predetermined range among the plurality of second feature points.</description><subject>CALCULATING</subject><subject>COMPUTING</subject><subject>COUNTING</subject><subject>IMAGE DATA PROCESSING OR GENERATION, IN GENERAL</subject><subject>INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT</subject><subject>MEASURING</subject><subject>MEASURING ANGLES</subject><subject>MEASURING AREAS</subject><subject>MEASURING IRREGULARITIES OF SURFACES OR CONTOURS</subject><subject>MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS</subject><subject>MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK</subject><subject>PHYSICS</subject><subject>SIGNALLING</subject><subject>TESTING</subject><subject>TRAFFIC CONTROL SYSTEMS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOD19Xfy9HFV8HfycnUO4WFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8a4BxiZGRkaWxo4mxkQoAQBplxwj</recordid><startdate>20191016</startdate><enddate>20191016</enddate><creator>YAMAMOTO Kenjiro</creator><creator>KANEKO Alex Masuo</creator><scope>EVB</scope></search><sort><creationdate>20191016</creationdate><title>MOBILE OBJECT</title><author>YAMAMOTO Kenjiro ; KANEKO Alex Masuo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3422293A43</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2019</creationdate><topic>CALCULATING</topic><topic>COMPUTING</topic><topic>COUNTING</topic><topic>IMAGE DATA PROCESSING OR GENERATION, IN GENERAL</topic><topic>INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT</topic><topic>MEASURING</topic><topic>MEASURING ANGLES</topic><topic>MEASURING AREAS</topic><topic>MEASURING IRREGULARITIES OF SURFACES OR CONTOURS</topic><topic>MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS</topic><topic>MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK</topic><topic>PHYSICS</topic><topic>SIGNALLING</topic><topic>TESTING</topic><topic>TRAFFIC CONTROL SYSTEMS</topic><toplevel>online_resources</toplevel><creatorcontrib>YAMAMOTO Kenjiro</creatorcontrib><creatorcontrib>KANEKO Alex Masuo</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>YAMAMOTO Kenjiro</au><au>KANEKO Alex Masuo</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MOBILE OBJECT</title><date>2019-10-16</date><risdate>2019</risdate><abstract>An object is to provide a moving object capable of being calculated a movement amount with a low processing load and high accuracy even when a three-dimensional object which is stationary or moves appears in a camera image. The invention is directed to a moving object which includes an imaging device which captures an image of a road surface and an image processing unit which calculates a movement amount of the moving object based on an image captured by the imaging device, wherein the image processing unit extracts a plurality of first feature points from a first image captured at a first timing, extracts a plurality of second feature points from a second image captured at a second timing after the first timing, performs tracking on each of the plurality of first feature points to each of the plurality of second feature points, calculates a movement amount and a speed of each of the plurality of second feature points, and calculates a movement amount of the moving object based on a feature point having a speed within a predetermined range among the plurality of second feature points.</abstract><oa>free_for_read</oa></addata></record> |
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language | eng ; fre ; ger |
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subjects | CALCULATING COMPUTING COUNTING IMAGE DATA PROCESSING OR GENERATION, IN GENERAL INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK PHYSICS SIGNALLING TESTING TRAFFIC CONTROL SYSTEMS |
title | MOBILE OBJECT |
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