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1994 Fiscal Year Final Research Report Summary

Multidimensional digital signal processing systems for the next generation visual communication

Research Project

Project/Area Number 05452201
Research Category

Grant-in-Aid for General Scientific Research (B)

Allocation TypeSingle-year Grants
Research Field 情報通信工学
Research InstitutionTohoku University

Principal Investigator

HIGUCHI Tatsuo  Tohoku University, Graduate School of Information Sciences, Professor, 大学院・情報科学研究科, 教授 (20005317)

Co-Investigator(Kenkyū-buntansha) KAWAMATA Masayuki  Tohoku University, Graduate School of Information Sciences, Associate Professor, 大学院・情報科学研究科, 助教授 (70153004)
Project Period (FY) 1993 – 1994
KeywordsMultidimensional digital filter / Adaptive signal processing / System indentification / Visual signal processing / Noise reduction
Research Abstract

This research studies multidimensional adaptive filters for the next generation visual communication.
2-D adaptive filter structures with lattice and direct forms and 2-D adaptive algorithms are proposed based on the LMS algorithm. These filter structures are applied to system identification and adaptive line enhancer in order to demonstrate their fast convergence speed and high ability of noise reduction.
Parallel separable 2-D adaptive filter structures are proposed based on the LMS algorithm. The most important features of these adaptive filters are ease of filter stability test and the possibility of arallel implementation. These adaptive filters need very few computational requirements such as O (n) - O (n^2) computations while conventional adaptive filters need O (n^2) - O (n^3) , where n is the order of adaptive filters.

  • Research Products

    (20 results)

All Other

All Publications (20 results)

  • [Publications] 川又政征: "遺伝的アルゴリズムに基づく分母分離形2次元ディジタルフィルタの最適設計法" 電子情報通信学会論文誌. J78-A. 132-140 (1994)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 吉江智孝: "並列完全分離形2次元適応フィルタ" 電気関係学会東北支部大会講演集. 169- (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 吉江智孝: "並列完全分離形2次元適応フィルタの実現" 第8回ディジタル信号処理シンポジウム講演集. 159-164 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 吉江智孝: "並列完全分離形構造による再帰型2次元適応フィルタの実現" 第7回 回路とシステム軽井沢ワークショップ講演集. 375-380 (1994)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 今窪 純: "単純遺伝的アルゴリズムによる分母分離形2次元ディジタルフィルタの最適設計" 第7回 回路とシステム軽井沢ワークショップ講演集. 37-42 (1994)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 吉江智孝: "並列完全分離形2次元適応フィルタによる画像の雑音除去" 電子情報通信学会秋季大会講演集. 1. 90- (1994)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 今窪 純: "遺伝的アルゴリズムによる2次元再帰形ディジタルフィルタの最適設計" 電子情報通信学会秋季大会講演集. 1. 244- (1994)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Masayuki Kawamata: "Realization of two-dimensional recursive and non-recursive adaptive filters using parallel separable structures" Proc.of IEEE Int.Workshop on Intelligent Signal Processing and Communication Systems.257-262 (1994)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Masayuki Kawamata: "Optimal design of multi-dimensional recursive digital filters using a simple genetic algorithm" Proc.of IEEE Int.Workshop on Intelligent Signal Processing and Communication Systems. 301-306 (1994)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Masayuki Kawamata: "Optimal design method of 2-D IIR digital filters based on a simple genetic algorithm" Proc.of IEEE Conf.on Image Processing. 780-784 (1994)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Masayuki Kawamata: "Optimal design method of separable-denominator two-dimensional digital filters based on a genetic algorithm" IEICE Trans. J78-A. 132-140 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Tomotaka Yoshie: "Parallel separable 2-D adaptive digital filters" Tohoku Area Conf. on Electrical and Related Engineering. 169 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Tomotaka Yoshie: "Realization of Parallel separable 2-D adaptive filters" Proc. of 8-th Digital Signal Processing Symposium. 159-164 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Tomotaka Yoshie: "Realization of recursive 2-D adaptive filters using parallel separable structures" Proc. of 7-th Karuizawa Workshop on Circuits and Systems. 357-380 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Jun Imakubo: "Optimal design of separable denominator 2-D digital filters based on a simple genetic algorithm" Proc. of 7-th Karuizawa Workshop on Circuits and Systems. 37-42 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Tomotaka Yoshie: "Image restoration by parallel separable two-dimensional adaptive filters" IEICE Autumn Conf. Vol.1. 90 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Jun Imakubo: "Optimal design of separable-denominator two-dimensional digital filters based on a genetic algorithm" IEICE Autumn Conf. Vol. 1. 244 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Masayuki Kawamata: "Realization of two-dimensional recursive and non-recursive adaptive filters using parallel separable structures" Proc. of IEEE Int. Workshop on Intelligent Signal Processing and Communication Systems. 257-262 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Masayuki Kawamata: "Optimal design of multi-dimensional recursive digital filters using a simple genetic algorithm" Proc. of IEEE Int. Workshop on Intelligent Signal Processing and Communication Systems. 301-306 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Masayuki Kawamata: "Optimal design method of 2-D IIR digital filters based on a simple genetic algorithm" Proc. of IEEE Conference On Image Processing. 780-784 (1994)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1996-04-15  

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