| Project/Area Number |
26540047
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Multimedia database
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| Research Institution | Ritsumeikan University |
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Principal Investigator |
Kawagoe Kyoji 立命館大学, 情報理工学部, 教授 (40298724)
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| Co-Investigator(Kenkyū-buntansha) |
佐久間 春夫 立命館大学, スポーツ健康科学部, 教授 (10128572)
坪 泰宏 立命館大学, 情報理工学部, 准教授 (40384721)
山西 良典 立命館大学, 情報理工学部, 助教 (50700522)
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| Project Period (FY) |
2014-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2016: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
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| Keywords | 脳内想起 / メロディ復元 / 楽曲検索 / 心理状態抽出 / スポーツ応用 / 音楽検索 / 脳波利用 / 心理状態検出 / 脳内想起メロディ / 歌詞 / 感性的検索 / メンタルトレーニング |
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| Outline of Final Research Achievements |
The final goal of this research is to realize an adaptive song-play method with music query by melody recall in the brain for sports applications. Especially, in the short term goal, which is that of this research activity, we will propose a way of description of melodies in the brain, a method of music query suitable to user's current mental condition, and investigation of applicability of the results for sports applications. From this research, we obtained the following results. First, we proposed a description method of recalled melody in the brain with aggregations and feature extraction of the EEG data, Second, we also developed a method for extracting a human's mental state from EEG as well as a method for extracting music feeling only from song lyrics. Then, we showed that a melody consisting of a few pitches can be reconstructed with melody-recall in the brain. We also showed that a kansei music retrieval system is possibly realized in the future.
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