Extraction of Meta-data from Sumo video by image processing

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  • 画像処理による大相撲中継のメタデータ抽出
  • ガゾウ ショリ ニ ヨル オオズモウ チュウケイ ノ メタデータ チュウシュツ

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Abstract

Extraction of Meta-data from Sumo video and making its digest is investigated. First, a scene structure of a Sumo match is defined, each scene is then distinguished based on features of image and characters such as color and size of distinctive area. As a result, meta-data of 98% on real battle scene is extracted, and also that of 99% on win/loss and winning trick, 100% on wrestler's name are extracted. Additionally, it becomes possible to make a digest of 3 to 9 minutes from one hour sumo's video and to make a digest of specified wrestler or winning trick.

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