赤外線照射マイクを追尾する質問者自動撮影システム Tracking Questioner with Infrared-ray-emitting Microphone

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学会発表やセミナー等において質問者を自動的にズーム撮影するための方法について研究を実施した.本論文では,マイクに取り付けた赤外線LED によって被験者の口元または顔部分を照射し,赤外線通過フィルタを装着したビデオカメラで認識して撮影するシステムを提案する.数百名程度を収容する大きな会場においても,正確に質問者の位置を認識して拡大撮影できる利点がある.実験評価の結果,太陽光を取り込まない講堂において質問者が起立して質問した場合には,高い精度で質問者位置を認識できることが分かった.試作したプロトタイプシステムの設計,実装,評価について述べる.We have studied how a question and answer session in conferences/seminars could be recorded without dedicated cameramen, and developed a video-recording system that automatically zooms in the questioner holding an infrared-ray-emitting microphone in his/her hand. The microphone is designed to illuminate the face of the questioner while he/she is taking through the microphone, and a video camcorder equipped with infrared-ray transmissive filter tracks the questioner's face illuminated by the infrared-ray. The experiment showed that the system had the capability to accurately track questioners in a large auditorium under the conditions that the sunlight was shut out and questioners stood up. The system design, implement issues, and evaluations are discussed.

We have studied how a question and answer session in conferences/seminars could be recorded without dedicated cameramen, and developed a video-recording system that automatically zooms in the questioner holding an infrared-ray-emitting microphone in his/her hand. The microphone is designed to illuminate the face of the questioner while he/she is taking through the microphone, and a video camcorder equipped with infrared-ray transmissive filter tracks the questioner's face illuminated by the infrared-ray. The experiment showed that the system had the capability to accurately track questioners in a large auditorium under the conditions that the sunlight was shut out and questioners stood up. The system design, implement issues, and evaluations are discussed.

収録刊行物

  • 情報処理学会論文誌

    情報処理学会論文誌 49(1), 141-149, 2008-01-15

    一般社団法人情報処理学会

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各種コード

  • NII論文ID(NAID)
    110006595137
  • NII書誌ID(NCID)
    AN00116647
  • 本文言語コード
    JPN
  • 資料種別
    Journal Article
  • ISSN
    1882-7764
  • NDL 記事登録ID
    9341170
  • NDL 雑誌分類
    ZM13(科学技術--科学技術一般--データ処理・計算機)
  • NDL 請求記号
    Z14-741
  • データ提供元
    CJP書誌  NDL  NII-ELS  IPSJ 
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