{"created":"2021-03-01T06:26:47.893981+00:00","id":19317,"links":{},"metadata":{"_buckets":{"deposit":"8e7769ea-42de-4e45-b0da-4068fc95dab7"},"_deposit":{"id":"19317","owners":[],"pid":{"revision_id":0,"type":"depid","value":"19317"},"status":"published"},"_oai":{"id":"oai:nagoya.repo.nii.ac.jp:00019317","sets":["312:313:314"]},"author_link":["56575","56576","56577","56578","56579","56580","56581","56582","56583","56584"],"item_10_alternative_title_19":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"Two-step Super-Resolution with Binary and Grid Constraints for Low Resolution QR-Code Recognition","subitem_alternative_title_language":"en"}]},"item_10_biblio_info_6":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2013-02","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"2","bibliographicPageEnd":"337","bibliographicPageStart":"328","bibliographicVolumeNumber":"J96-D","bibliographic_titles":[{"bibliographic_title":"電子情報通信学会論文誌. D, 情報・システム","bibliographic_titleLang":"ja"}]}]},"item_10_description_4":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"QRコードは二次元コードの一種で,小面積に印刷するだけで様々な媒体に情報を付加することができ,製造における発注システムなどで利用されている.しかし,カメラとQRコードが離れるほどQRコード画像は相対的に低解像度となるため,認識が困難になる.そこで本論文では,低解像度のQRコード画像の認識性能の向上を目的として,QRコードの特徴を利用した複数フレーム超解像手法を提案する.本手法では,QRコードの認識が検出とデコードの2段階の処理からなることを利用して,それぞれの精度向上を行うために2段階の超解像処理を導入する.また,QRコードが2値のグリッド状のパターンで構成されることを利用し,これを超解像処理の拘束として用いる.更に,全てのQRコードが共通してもつパターンを利用して,ぼけを表す点拡がり関数(PSF:Point Spread Function)の推定を行う.実動画像を利用した認識実験の結果,撮影動画像そのままでは認識できないほど低解像度のQRコード画像に対して,提案手法は高い認識率を示した.このことから,提案手法の有効性を確認した.","subitem_description_language":"ja","subitem_description_type":"Abstract"}]},"item_10_identifier_60":{"attribute_name":"URI","attribute_value_mlt":[{"subitem_identifier_type":"URI","subitem_identifier_uri":"http://www.ieice.org/jpn/trans_online/index.html"},{"subitem_identifier_type":"HDL","subitem_identifier_uri":"http://hdl.handle.net/2237/21414"}]},"item_10_publisher_32":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"一般社団法人電子情報通信学会","subitem_publisher_language":"ja"}]},"item_10_relation_43":{"attribute_name":"関連情報","attribute_value_mlt":[{"subitem_relation_type":"isVersionOf","subitem_relation_type_id":{"subitem_relation_type_id_text":"http://www.ieice.org/jpn/trans_online/index.html","subitem_relation_type_select":"URI"}}]},"item_10_rights_12":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"Copyright (C) 2013 IEICE","subitem_rights_language":"en"}]},"item_10_select_15":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_select_item":"publisher"}]},"item_10_source_id_7":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1880-4535","subitem_source_identifier_type":"PISSN"}]},"item_1615787544753":{"attribute_name":"出版タイプ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"open access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_abf2"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"加藤, 祐二","creatorNameLang":"ja"}],"nameIdentifiers":[{"nameIdentifier":"56575","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"KATO, Yuji","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"56576","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"高橋, 友和","creatorNameLang":"ja"}],"nameIdentifiers":[{"nameIdentifier":"56577","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"TAKAHASHI, Tomokazu","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"56578","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"出口, 大輔","creatorNameLang":"ja"}],"nameIdentifiers":[{"nameIdentifier":"56579","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"DEGUCHI, Daisuke","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"56580","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"井手, 一郎","creatorNameLang":"ja"}],"nameIdentifiers":[{"nameIdentifier":"56581","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"IDE, Ichiro","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"56582","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"村瀬, 洋","creatorNameLang":"ja"}],"nameIdentifiers":[{"nameIdentifier":"56583","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"MURASE, Hiroshi","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"56584","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2018-02-21"}],"displaytype":"detail","filename":"j96-d_2_328.pdf","filesize":[{"value":"1.7 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"j96-d_2_328.pdf","objectType":"fulltext","url":"https://nagoya.repo.nii.ac.jp/record/19317/files/j96-d_2_328.pdf"},"version_id":"225bbc5f-bb43-468f-be22-26d61165fbc6"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"QRコード認識","subitem_subject_scheme":"Other"},{"subitem_subject":"複数フレーム超解像","subitem_subject_scheme":"Other"},{"subitem_subject":"低解像度","subitem_subject_scheme":"Other"},{"subitem_subject":"2値拘束","subitem_subject_scheme":"Other"},{"subitem_subject":"グリッド拘束","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"低解像度QRコード認識のための2値グリッド拘束付き2段階超解像","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"低解像度QRコード認識のための2値グリッド拘束付き2段階超解像","subitem_title_language":"ja"}]},"item_type_id":"10","owner":"1","path":["314"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2015-03-31"},"publish_date":"2015-03-31","publish_status":"0","recid":"19317","relation_version_is_last":true,"title":["低解像度QRコード認識のための2値グリッド拘束付き2段階超解像"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-01-16T04:06:27.829368+00:00"}