REDUCTION AND REMOVAL OF ARTIFACT FROM THREE-DIMENSIONAL DENTAL X-RAY DATA SET USING SURFACE SCAN INFORMATION
PROBLEM TO BE SOLVED: To provide a system for removing artifacts caused by x-ray reflective materials from an x-ray image of patient's teeth.SOLUTION: The system includes an x-ray source, an x-ray detector which captures several x-ray images, and a surface scanner which captures surface scan in...
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| creator | UWE MUNDRY BRADLEY S CARLSON EDWARD MARANDOLA DAVID A SEBOK |
| description | PROBLEM TO BE SOLVED: To provide a system for removing artifacts caused by x-ray reflective materials from an x-ray image of patient's teeth.SOLUTION: The system includes an x-ray source, an x-ray detector which captures several x-ray images, and a surface scanner which captures surface scan information on patient's teeth. An image processor generates three-dimensional models from optical surface data and CT volumetric data. The models are resized and oriented to be of the same scale and orientation and then overlaid to create a combined data set. Data points which extend beyond the surface of the patient's teeth in the surface model are identified and removed if it is determined that they are artifacts. An artifact-reduced CT model is then displayed.SELECTED DRAWING: Figure 2
【課題】Ｘ線反射物質により生じたアーチファクトを患者の歯のＸ線画像から除去するシステムを提供する。【解決手段】システムは、Ｘ線源と、いくつかのＸ線画像を取り込むＸ線検出器と、患者の歯の表面走査情報を取り込む表面スキャナとを含み、画像プロセッサは、光学表面データとＣＴボリューメトリックデータとから３次元モデルを生成し、モデルは、同じ縮尺及び向きになるようにサイズ変更及び向き合わせを行ったうえで重ね合わせ、組み合わされたデータセットを作成し、表面モデルで患者の歯の表面を逸脱したデータポイントを特定し、アーチファクトであると判定されれば除去し、アーチファクトが低減されたＣＴモデルを表示する。【選択図】図２ |
| format | Patent |
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【課題】Ｘ線反射物質により生じたアーチファクトを患者の歯のＸ線画像から除去するシステムを提供する。【解決手段】システムは、Ｘ線源と、いくつかのＸ線画像を取り込むＸ線検出器と、患者の歯の表面走査情報を取り込む表面スキャナとを含み、画像プロセッサは、光学表面データとＣＴボリューメトリックデータとから３次元モデルを生成し、モデルは、同じ縮尺及び向きになるようにサイズ変更及び向き合わせを行ったうえで重ね合わせ、組み合わされたデータセットを作成し、表面モデルで患者の歯の表面を逸脱したデータポイントを特定し、アーチファクトであると判定されれば除去し、アーチファクトが低減されたＣＴモデルを表示する。【選択図】図２</description><language>eng ; jpn</language><subject>DIAGNOSIS ; HUMAN NECESSITIES ; HYGIENE ; IDENTIFICATION ; MEDICAL OR VETERINARY SCIENCE ; SURGERY</subject><creationdate>2017</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=20170330&DB=EPODOC&CC=JP&NR=2017060842A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170330&DB=EPODOC&CC=JP&NR=2017060842A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>UWE MUNDRY</creatorcontrib><creatorcontrib>BRADLEY S CARLSON</creatorcontrib><creatorcontrib>EDWARD MARANDOLA</creatorcontrib><creatorcontrib>DAVID A SEBOK</creatorcontrib><title>REDUCTION AND REMOVAL OF ARTIFACT FROM THREE-DIMENSIONAL DENTAL X-RAY DATA SET USING SURFACE SCAN INFORMATION</title><description>PROBLEM TO BE SOLVED: To provide a system for removing artifacts caused by x-ray reflective materials from an x-ray image of patient's teeth.SOLUTION: The system includes an x-ray source, an x-ray detector which captures several x-ray images, and a surface scanner which captures surface scan information on patient's teeth. An image processor generates three-dimensional models from optical surface data and CT volumetric data. The models are resized and oriented to be of the same scale and orientation and then overlaid to create a combined data set. Data points which extend beyond the surface of the patient's teeth in the surface model are identified and removed if it is determined that they are artifacts. An artifact-reduced CT model is then displayed.SELECTED DRAWING: Figure 2
【課題】Ｘ線反射物質により生じたアーチファクトを患者の歯のＸ線画像から除去するシステムを提供する。【解決手段】システムは、Ｘ線源と、いくつかのＸ線画像を取り込むＸ線検出器と、患者の歯の表面走査情報を取り込む表面スキャナとを含み、画像プロセッサは、光学表面データとＣＴボリューメトリックデータとから３次元モデルを生成し、モデルは、同じ縮尺及び向きになるようにサイズ変更及び向き合わせを行ったうえで重ね合わせ、組み合わされたデータセットを作成し、表面モデルで患者の歯の表面を逸脱したデータポイントを特定し、アーチファクトであると判定されれば除去し、アーチファクトが低減されたＣＴモデルを表示する。【選択図】図２</description><subject>DIAGNOSIS</subject><subject>HUMAN NECESSITIES</subject><subject>HYGIENE</subject><subject>IDENTIFICATION</subject><subject>MEDICAL OR VETERINARY SCIENCE</subject><subject>SURGERY</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2017</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNzcsKwjAQheFuXIj6DoP7Qq2ibodkYiM2kclUdFWKxJWXQn1_jOADuPo33-GMsweTbpRY7wCdBqban_AA3gCyWINKwLCvQSomyrWtyYWEE9HkJOWcM15AoyAEEmiCdTsIDacpQVDowDrjucbvxzQb3br7EGe_TrK5IVFVHvtXG4e-u8ZnfLf7Y1ksNsW62K5KXP6FPnnyNzI</recordid><startdate>20170330</startdate><enddate>20170330</enddate><creator>UWE MUNDRY</creator><creator>BRADLEY S CARLSON</creator><creator>EDWARD MARANDOLA</creator><creator>DAVID A SEBOK</creator><scope>EVB</scope></search><sort><creationdate>20170330</creationdate><title>REDUCTION AND REMOVAL OF ARTIFACT FROM THREE-DIMENSIONAL DENTAL X-RAY DATA SET USING SURFACE SCAN INFORMATION</title><author>UWE MUNDRY ; BRADLEY S CARLSON ; EDWARD MARANDOLA ; DAVID A SEBOK</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2017060842A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2017</creationdate><topic>DIAGNOSIS</topic><topic>HUMAN NECESSITIES</topic><topic>HYGIENE</topic><topic>IDENTIFICATION</topic><topic>MEDICAL OR VETERINARY SCIENCE</topic><topic>SURGERY</topic><toplevel>online_resources</toplevel><creatorcontrib>UWE MUNDRY</creatorcontrib><creatorcontrib>BRADLEY S CARLSON</creatorcontrib><creatorcontrib>EDWARD MARANDOLA</creatorcontrib><creatorcontrib>DAVID A SEBOK</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>UWE MUNDRY</au><au>BRADLEY S CARLSON</au><au>EDWARD MARANDOLA</au><au>DAVID A SEBOK</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>REDUCTION AND REMOVAL OF ARTIFACT FROM THREE-DIMENSIONAL DENTAL X-RAY DATA SET USING SURFACE SCAN INFORMATION</title><date>2017-03-30</date><risdate>2017</risdate><abstract>PROBLEM TO BE SOLVED: To provide a system for removing artifacts caused by x-ray reflective materials from an x-ray image of patient's teeth.SOLUTION: The system includes an x-ray source, an x-ray detector which captures several x-ray images, and a surface scanner which captures surface scan information on patient's teeth. An image processor generates three-dimensional models from optical surface data and CT volumetric data. The models are resized and oriented to be of the same scale and orientation and then overlaid to create a combined data set. Data points which extend beyond the surface of the patient's teeth in the surface model are identified and removed if it is determined that they are artifacts. An artifact-reduced CT model is then displayed.SELECTED DRAWING: Figure 2
【課題】Ｘ線反射物質により生じたアーチファクトを患者の歯のＸ線画像から除去するシステムを提供する。【解決手段】システムは、Ｘ線源と、いくつかのＸ線画像を取り込むＸ線検出器と、患者の歯の表面走査情報を取り込む表面スキャナとを含み、画像プロセッサは、光学表面データとＣＴボリューメトリックデータとから３次元モデルを生成し、モデルは、同じ縮尺及び向きになるようにサイズ変更及び向き合わせを行ったうえで重ね合わせ、組み合わされたデータセットを作成し、表面モデルで患者の歯の表面を逸脱したデータポイントを特定し、アーチファクトであると判定されれば除去し、アーチファクトが低減されたＣＴモデルを表示する。【選択図】図２</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE SURGERY |
| title | REDUCTION AND REMOVAL OF ARTIFACT FROM THREE-DIMENSIONAL DENTAL X-RAY DATA SET USING SURFACE SCAN INFORMATION |
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