{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00213545","sets":["1164:3206:10513:10738"]},"path":["10738"],"owner":"44499","recid":"213545","title":["スポーツ映像における視線集中を利用したボール検出"],"pubdate":{"attribute_name":"公開日","attribute_value":"2021-10-29"},"_buckets":{"deposit":"0f9be879-2d09-4a2e-b05a-511c4d9e9083"},"_deposit":{"id":"213545","pid":{"type":"depid","value":"213545","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"スポーツ映像における視線集中を利用したボール検出","author_link":["546609","546610","546608"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"スポーツ映像における視線集中を利用したボール検出"}]},"item_type_id":"4","publish_date":"2021-10-29","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"豊田工業大学"},{"subitem_text_value":"兵庫県立大学"},{"subitem_text_value":"豊田工業大学"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Toyota technological Institute","subitem_text_language":"en"},{"subitem_text_value":"University of Hyogo","subitem_text_language":"en"},{"subitem_text_value":"Toyota technological Institute","subitem_text_language":"en"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/213545/files/IPSJ-CG21184015.pdf","label":"IPSJ-CG21184015.pdf"},"date":[{"dateType":"Available","dateValue":"2023-10-29"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-CG21184015.pdf","filesize":[{"value":"9.1 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"28"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"057b895c-5490-4341-89d8-5422bc9a9ae9","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2021 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"中谷, 千洋"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"川嶋, 宏彰"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"浮田, 宗伯"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10100541","subitem_source_identifier_type":"NCID"}]},"item_4_textarea_12":{"attribute_name":"Notice","attribute_value_mlt":[{"subitem_textarea_value":"SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc."}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_18gh","resourcetype":"technical report"}]},"item_4_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-8949","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"コンピュータビジョンを用いたスポーツ映像解析において重要な要素の一つであるボール検出の精度向上のために，人群の視線がボールに集中しやすい事実を利用した手法を提案する．バレーボールやバスケットボールなどのスポーツ映像では，ボールは小さく高速に動くために検出が難しい．また，一般的なスポーツ映像では，視線を推定できるほど人物頭部が高解像度撮影されていない．しかし，ボール検出と比べて，人体の一部である頭部の検出や方位推定は容易であり，かつ，目線だけでボールを追うようなケースでなければ頭部方位によって視線を近似できる．さらに，ボールはシーン中に一つしかないのに対してプレーヤーは複数人存在するため，数人の頭部方位推定にミスがあったとしても多数決的にボールの位置を特定しやすい．そこで，この「頭部集合の方位群によって近似した視線集中領域」を「一般的な物体検出によるボール検出の結果」と統合することで，ボール検出精度を向上する手法を提案する．人群の頭部方位を用いない場合に比べ，提案手法によってボール検出の精度を向上できることを実験的に検証した．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"8","bibliographic_titles":[{"bibliographic_title":"研究報告コンピュータグラフィックスとビジュアル情報学（CG）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2021-10-29","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"15","bibliographicVolumeNumber":"2021-CG-184"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":213545,"updated":"2025-01-19T17:07:24.264962+00:00","links":{},"created":"2025-01-19T01:14:25.032509+00:00"}