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2023 年度 実施状況報告書

Development of learning subspace-based methods for pattern recognition

研究課題

研究課題/領域番号 22K17960
研究機関国立研究開発法人産業技術総合研究所

研究代表者

SALESDESOUZA LINCON  国立研究開発法人産業技術総合研究所, 情報・人間工学領域, 研究員 (40912481)

研究期間 (年度) 2022-04-01 – 2026-03-31
キーワードsubspace learning / deep neural networks
研究実績の概要

In year 2023, we continued working on problems of deep learning, attempting to alleviate them by integrating subspace learning aspects to the deep learning framework. We have worked in tasks of action recognition (AR) and domain adaptation (DA); for AR, we devised a new method called slow feature subspace, that improves the capturing of temporal information in videos; and for DA, a new method dubbed domain-sum feature transform, which works efficiently in multi-target domains scenario, a current challenge. We showcase the effectiveness of these methods in their respective tasks through experiments on real image data. We also study their theoretical underpinnings in the Grassmannian geometry, in order to build a strong theoretical foundation for these new methods.

現在までの達成度
現在までの達成度

2: おおむね順調に進展している

理由

We have been able to combine subspace learning and deep neural networks to improve the performance in tasks of image set recognition, domain adaptation, action recognition.
We studied the underlying theoretical mechanisms of our newly created techniques/ how they relate to other methods which is useful to expand ourunderstanding of these models.

今後の研究の推進方策

We will work on new ways to combine subspace learning and deep neural network that can address their problems and improve performance.

次年度使用額が生じた理由

To cover cloud computing costs to use in the next fiscal year and to attend conferences.
Plan: We plan to purchase cloud computing that can process large-scale data at high speed and attend conferences to gather necessary information
on the latest technologies and/or present our research.

  • 研究成果

    (3件)

すべて 2023

すべて 雑誌論文 (2件) (うち国際共著 2件、 査読あり 2件) 学会発表 (1件)

  • [雑誌論文] Domain-Sum Feature Transformation For Multi-Target Domain Adaptation2023

    • 著者名/発表者名
      Takumi Kobayashi, Lincon Souza, Kazuhiro Fukui
    • 雑誌名

      Proceedings of the British Machine Vision Conference (BMVC)

      巻: 2023 ページ: 0197

    • 査読あり / 国際共著
  • [雑誌論文] Slow feature subspace: A video representation based on slow feature analysis for action recognition2023

    • 著者名/発表者名
      Beleza Suzana Rita Alves、Shimomoto Erica K.、Souza Lincon S.、Fukui Kazuhiro
    • 雑誌名

      Machine Learning with Applications

      巻: 14 ページ: 100493~100493

    • DOI

      10.1016/j.mlwa.2023.100493

    • 査読あり / 国際共著
  • [学会発表] Domain-Sum Feature Transformation For Multi-Target Domain Adaptation2023

    • 著者名/発表者名
      Takumi Kobayashi, Lincon Souza, Kazuhiro Fukui
    • 学会等名
      British Machine Vision Conference (BMVC)

URL: 

公開日: 2024-12-25  

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