平成9年度 情報通信グループ 研究実績

1997.4-1998.3



研究テーマ

博士後期課程
鷲見 育亮PLL周波数シンセサイザの高性能化および低消費電力化に関する研究
(平成10年3月25日 博士(工学)授与)
薮木  登カラー情報を用いた道路標識の検出および認識
(平成9年4月社会人入学)
博士前期課程修士論文
尾保手 茂樹PLL周波数シンセサイザにおける高速周波数切換に関する研究
菖蒲 康一PLL周波数シンセサイザにおける多段位相比較方式を用いた高速周波数引き込みに関する研究
竹田 修一電流帰還型増幅器(CFA)を用いた多端子対回路の構成に関する研究
山上 泰史巡回型および対数推定型適応ディジタルフィルタの収束条件に関する研究
James OKELLOA Study on an IIR Adaptive Digital Filter Realized as a Cascade of Allpass and Transversal Filter
博士前期課程修士論文中間報告
濱橋 義久変形DFT対を用いた適応フィルタの性能改善
浜田 哲郎ウェーブ能動Rフィルタに関する研究
学部4年卒業論文
木村 裕幸カラー画像からの道路標識お色抽出に関する研究
有田 進一LMSアルゴリズムの可変ステップサイズに関する研究
川村 武彦PLL周波数シンセサイザにおける(N+1/2)プログラマブル分周器に関する研究
北井 直樹目標周波数検出方式高速PLL周波数シンセサイザに関する研究
辻 昭典変形DFT対を用いた適応フィルタのスペクトル誤差法による収束特性の改善
藤原 淳輔低消費電力対応の多段位相比較方式PLL周波数シンセサイザに関する研究
松田 喜貴Active Netを用いた道路標識の検出に関する研究PLL周波数シンセサイザにおけるFrequency DetectorFDの提案
田尻 陽平対数推定形適応ディジタルフィルタに関する研究
中島 敬介DSPを用いたエコーキャンセラの開発に関する研究



学生の進路

尾保手 茂樹本学大学院博士後期課程菖蒲 康一NHK
竹田 修一公務員山上泰文ケンウッド
Okello James本学大学院博士後期課程木村 裕幸ダイヤモンド電機
有田 進一本学大学院川村 武彦三菱電機マイコン機器ソフトウエア
北井 直樹本学大学院辻 明典徳島大学工学部技官
藤原 淳輔京都大学大学院松田 喜貴本学大学院
田尻 陽平ダイワハウス工業中島敬介富士通



論文関係

投稿論文
  • Yasuaki Sumi, Shigeki Obote, Kenta Narai, Kazutoshi Tsuda, Kouichi Syoubu and Yutaka Fukui: "Fast Settling PLL Frequency Synthesizer Utilizing the Frequency Detector Method Speedup Circuit," IEEE Trans. on Consumer Electronics, Vol.43, No.3, pp.550-558, August 1997.
  • 中西功,伊藤良生,副井裕: "MR符号を用いた画像縮小処理ー符号化された白黒2値画像から効率よく縮小画像を実現する方法ー," 画像ラボ,Vol.8, No.10, pp.9-13, October 1997.
  • 小林正樹,浅井宣裕,伊藤良生: "対数推定並列形適応ディジタルフィルタの収束性," 電子情報通信学会論文誌, Vol. J80-B-I, No.10, pp.729-734, Oct. 1997.
  • James Okello, Yoshio Itoh, Yutaka Fukui and Masaki Kobayashi: "A New Linear Prediction Filter Based Adaptive Algorithm for IIR ADF Using Allpass and Minimum Phase System", IEICE Trans. Fundamentals, Vol.E81-A, No.1, pp.123-130, Jan. 1998.
  • 小林正樹,伊藤良生: "全域通過形IIRディジタルフィルタの一構成法," 電子情報通信学会論文誌, Vol.J81-A, No.1, pp.163-166, Jan. 1998.
  • Yasuaki Sumi, Shigeki Obote, Kazutoshi Tsuda, Kouichi Syoubu and Yutaka Fukui : "On the Speedup of Lock up Time in the PLL Frequency Synthesizer," International Journal of Electronics, Vol.84, No.2, pp.123-130, Feb. 1998.

国際学会
  • Yasutomo Kinugasa, Masaru Ishida and Yutaka Fukui: "A Realization of Wave Active Filter Using CFAs", 1st Analog VLSI Workshop Proceedings, Columbus OHIO, USA, ECT-97-40, pp.47-51, May 1997.
  • Yasuaki Sumi, Shigeki Obote, Kazutoshi Tsuda, Kouichi Syoubu and Yutaka Fukui: "A New Lowpass Filter for the Fast Frequency Acquisition of the PLL Frequency Synthesizer", 1st Analog VLSI Workshop Proceedings, Columbus OHIO, USA, ECT-97-54, pp.115-120, May 1997.
  • Yasuaki Sumi, Kouichi Syoubu and Yutaka Fukui: "A Novel (N+1/2) Pulse Swallow Divider for the PLL Frequency Synthesizer", 1st Analog VLSI Workshop Proceedings, Columbus OHIO, USA, ECT-97-55, pp.121-126, May 1997.
  • Yasuaki Sumi, Shigeki Obote, Yutaka Fukui, Kazutoshi Tsuda and Kouichi Syoubu: "A New Fractional-N PLL Frequency Synthesizer", The Journal of Circuits, Systems and Computers, Special Issue of selected papers of the APCCAS'96, Accepted for publication May 1997.
  • James Okello, Yoshio Itoh, Isao Nakanishi, Yutaka Fukui and Masaki Kobayashi : "An Adaptive IIR Digital Filter Based on Estimation of Allpass and Minimum-Phase System," Proc. of IEEE International Symposium on Circuits and Systems (ISCAS'97), Hong Kong, pp.2313-2316, June 1997.
  • Isao Nakanishi, Yoshio Itoh and Yutaka Fukui: "A New Frequency Domain Composite Adaptive Filter," Proc. of IEEE International Symposium on Circuits and Systems (ISCAS'97), Hong Kong, pp.2276-2279, June 1997.
  • Yasuaki Sumi, Shigeki Obote, Kenta Narai, Kazutoshi Tsuda, Kouichi Syoubu and Yutaka Fukui: "Speedup of Lock up Time in the PLL Frequency Synthesizer Using Frequency Detector," Proc. of IEEE International Symposium on Circuits and Systems (ISCAS'97), Hong Kong, pp.1365-1368, June 1997.
  • Yasuaki Sumi, Shigeki Obote, Kenta Narai, Kazutoshi Tsuda, Kouichi Syoubu and Yutaka Fukui: "Fast Settling PLL Frequency Synthesizer Utilizing the Frequency Detector Method Speedup Circuit", 1997 Digest of Technical Papers, International Conference on Consumer Electronics ('97 ICCE), Chicago, U.S.A., pp.198-199, June 1997.
  • Yoshihisa Hamahashi, Isao Nakanishi,Yoshio Itoh and Yutaka Fukui: "A Frequency Domain Composite Adaptive FIR Filter and Reduction Methods of Its Computational Complexity," Proc. of 1997 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC'97), Okinawa, Vol.1, pp.291-294, July 1997.
  • James Okello, Yoshio Itoh, Yutaka Fukui and Masaki Kobayashi: "Adaptive IIR Filter Based on the Estimation of Allpass System Using Decorrelation Method," Proc. of 1997 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC'97), Okinawa, Vol.1, pp.295-298, July 1997.
  • Yasuaki Sumi, Kouichi Syoubu, Kazutoshi Tsuda, Shigeki Obote and Yutaka Fukui: "PLL Frequency Synthesizer with Multi-Phase Detector," Proc. of 1997 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC'97), Okinawa, Vol.2, pp.765-768, July 1997.
  • Yasuaki Sumi, Yasunori Tanimoto, Kazutoshi Tsuda, Shigeki Obote, Kouichi Syoubu and Yutaka Fukui: "Improvement of the Prescaler Method by the (N+1/2) Pulse Swallow Type PLL Frequency Synthesizer," Proc. of 1997 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC'97), Okinawa, Vol.2, pp.769-772, July 1997.
  • Masami Higashimura and Yutaka Fukui: "A Novel Method for Converting CCII-Based Voltage-Mode Filters to Current-Mode Filters", Proc. of 1997 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC'97), Okinawa, Vol.2, pp.947-950, July 1997.
  • Masami Higashimura and Yutaka Fukui: "Universal Filter Using Four Plus-Type CCIIs with Grounded Passive Elements," Proc. of 1997 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC'97), Okinawa, Vol.2, pp.951-954, July 1997.
  • Takao Tsukutani, Masami Higashimura, Masaru Ishida, Sumio Tsuiki and Yutaka Fukui: "Current-Mode Highpass Filter Using OAs and OTAs," Proc. of 1997 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC'97), Okinawa, Vol.2, pp.971-974, July 1997.
  • Shigeki Obote, Yasuaki Sumi, Kouichi Syoubu, Yutaka Fukui and Yoshio Itoh: "Dual Loop DSP-PLL with Wide Frequency Acquisition Range and Fast Frequency Acquisition," Proc. of IEEE International Symposium on Circuits and Systems (ISCAS'98), Monterey, U.S.A. , accepted for presentation, Dec. 1997.
  • James Okello, Yoshio Itoh, Yutaka Fukui, Isao Nakanishi, and Masaki Kobayashi: "A New Modified Variable Step Size for the LMS Algorithm," Proc. of IEEE International Symposium on Circuits and Systems (ISCAS'98), Monterey, U.S.A. , accepted for presentation, Dec. 1997.
  • Yasuaki Sumi, Kouichi Syoubu, Shigeki Obote and Yutaka Fukui: "PLL Frequency Synthesizer with Multi-Programmable Divider," Proc. of IEEE International Symposium on Circuits and Systems (ISCAS'98), Monterey, U.S.A. , accepted for presentation, Dec. 1997.
  • Shigeki Obote, Yasuaki Sumi, Kouichi Syoubu, Yutaka Fukui and Yoshio Itoh : "DSP-FLL for FSK Demodulation," IX European Signal Processing Conference(EUSIPCO-98), Sept.8-11, Island of Rhodes, Greece. Accepted for presentation, Feb. 1998.
  • Yasuaki Sumi, Kouichi Syoubu, Shigeki Obote, Yutaka Fukui and Yoshio Itoh : "PLL Frequency Synthesizer System Utilizing Multi-Programmable Divider," IX European Signal Processing Conference (EUSIPCO-98), Sept.8-11, Island of Rhodes, Greece. Accepted for presentation, Feb. 1998.
  • Yasuaki Sumi, Kouichi Syoubu, Shigeki Obote, Yutaka Fukui and Yoshio Itoh: "A New PLL Frequency Synthesizer Using Multi-Programmable Divider", International Conference on Consumer Electronics (ICCE'98), Los Angels U.S.A., accepted for presentation Jan. 1998.
  • Takao Tsukutani, Masami Higashimura and Yutaka Fukui: "Electronically Tunable Biquad Filter Using OAs and OTAs", International Technical Conference on Circuits and Systems, Computers and Communications (ITC-CSCC'98), Korea, submitted Feb. 1998.
  • Noboru Yabuki, Shigehiko Miki and Yutaka Fukui: "Bayesian Restoration Methods of Defocusing Images Using a Smoothing Operation and a Genetic Algorithm," International Technical Conference on Circuits and Systems, Computers and Communications (ITC-CSCC'98), Korea, submitted Feb. 1998.
  • Noboru Yabuki, Yoshitaka Matsuda, Hiroyuki Kimura, Yutaka Fukui and Shigehiko Miki: "A Study on Region Extraction Using a Feature of Color Image," International Technical Conference on Circuits and Systems, Computers and Communications (ITC-CSCC'98), Korea, submitted Feb. 1998.
  • Yoshihisa Hamahashi, Isao Nakanishi, Akinori Tsuji, Yoshio Itoh and Yutaka Fukui: "Performance Improvement of Adaptive Filters Using MDFT Pair," International Technical Conference on Circuits and Systems, Computers and Communications (ITC-CSCC'98), Korea, submitted Feb. 1998.
  • James Okello, Shin'ichi Arita, Yoshio Itoh, Yutaka Fukui and Masaki Kobayashi: "A Less Sensitive IIR-ADF Realized Using Allpass Digital Filter," International Technical Conference on Circuits and Systems, Computers and Communications (ITC-CSCC'98), Korea, submitted Feb. 1998.
  • Shigeki Obote, Yasuaki Sumi, Naoki Kitai, Kouichi Syoubu, Yutaka Fukui and Yoshio Itoh: "Speedup of Frequency Switching Time in PLL Frequency Synthesizers Utilizing a Target Frequency Detector," International Technical Conference on Circuits and Systems, Computers and Communications (ITC-CSCC'98), Korea, submitted Feb. 1998.
  • Yasuaki Sumi, Kouichi Syoubu, Shigeki Obote, Naoki Kitai, Yutaka Fukui and Yoshio Itoh: "PLL Frequency Synthesizer with Multi-Loop Method," International Technical Conference on Circuits and Systems, Computers and Communications (ITC-CSCC'98), Korea, submitted Feb. 1998.
  • Masami Higashimura and Yutaka Fukui: "A realization of Current Transfer Function Using Four CCIIs with Grounded Passive Elements," International Technical Conference on Circuits and Systems, Computers and Communications (ITC-CSCC'98), Korea, submitted Feb. 1998.
  • Masami Higashimura and Yutaka Fukui: "Universal Voltage-Mode Filter Using Four CCIIs with Grounded Passive Elements," International Technical Conference on Circuits and Systems, Computers and Communications (ITC-CSCC'98), Korea, submitted Feb. 1998.
  • Shigeki Obote, Yasuaki Sumi, Naoki Kitai, Kouichi Syoubu, Yutaka Fukui and Yoshio Itoh: "Speedup of Frequency Switching Time in PLL Frequency Synthesizers Using Target Frequency Detector," 2nd Analog VLSI Workshop Proceedings, Santa Clara, USA, submitted Feb. 1998.
  • Yasuaki Sumi, Kouichi Syoubu, Shigeki Obote, Naoki Kitai, Yutaka Fukui Yoshio Itoh: "PLL Frequency Synthesizer by Muti-Loop Method," 2nd Analog VLSI Workshop Proceedings, Santa Clara, USA, submitted Feb. 1998.

国内研究会
  • James Okello, Yoshio Itoh, Isao Nakanishi, Yutaka Fukui and Masaki Kobayashi: "A General Algorithm for an Adaptive IIR Digital Filter Based on Estimation of Allpass System,"第10回 回路とシステム軽井沢ワークショップ論文集, pp.53-57, April 1997.
  • 鷲見育亮,菖蒲康一,津田和俊,尾保手茂樹,副井 裕: "マルチプログラマブル分周器方式PLL周波数シンセサイザ",第10回 回路とシステム軽井沢ワークショップ論文集,pp.243-248, April 1997.
  • 薮木登,三木成彦,副井裕:"遺伝的アルゴリズムによる焦点はずれ画像のベイズ復元法," 電子情報通信学会技術研究報告, PRMU97-19, pp.143-150, May 1997.
  • 濱橋義久,中西功,伊藤良生,副井裕: "変形DFTを用いた周波数領域適応フィルタの演算量削減に関する検討", 電子情報通信学会技術研究報告, DSP97-33, pp.9-16, June 1997.
  • Isao Nakanishi, Yoshio Itoh and Yutaka Fukui: "An Image Reduction Method Using MR Codes," Systems and Computers in Japan, Vol.28, No.7, pp.1-10, June 1997.
  • 衣笠保智,伊藤良生,中西功,副井裕,小林正樹: "全域通過システムと最小位相システムの推定に基づくIIR適応フィルタの構成法," 第12回ディジタル信号処理シンポジウム講演論文集,pp.455-460, Nov. 1997.
  • James Okello, Yoshio Itoh, Yutaka Fukui and Masaki Kobayashi: "Analysis of an IIR-ADF Based on Estimation of Allpass and Minimum Phase Systems," 第12回ディジタル信号処理シンポジウム講演論文集,pp.461-465, Nov. 1997.
  • 山上泰史,伊藤良生,副井裕,小林正樹: "対数推定並列型適応ディジタルフィルタに関する検討, "第12回ディジタル信号処理シンポジウム講演論文集,pp.467-472, Nov. 1997.
  • 尾保手茂樹,鷲見育亮,菖蒲康一,副井裕,伊藤良生,立木純夫: "ディジタル信号処理形式D-FLL",第12回ディジタル信号処理シンポジウム講演論文集,pp.491-496, Nov. 1997.
  • 東村正巳,副井 裕: "カレントコンベアを用いたイミタンス関数の一構成法," 電気学会電子回路研究会資料, ECT-98-11, pp.1-5, Jan. 1998.
  • 東村正巳,副井 裕: "4個のCCIIと接地受動素子を用いたバイカッド伝達関数   の実現," 電気学会電子回路研究会資料, ECT-98-12, pp.7-11, Jan. 1998.
  • 鷲見育亮,尾保手茂樹,北井直樹,菖蒲康一,副井 裕,伊藤良生: "ディジタル周波数差検出方式高速PLL周波数シンセサイザ," 電気学会電子回路研究会資料, ECT-98-17, pp.37-42, Jan. 1998.
  • James Okello, Yoshio Itoh, Yutaka Fukui and Masaki Kobayashi: "An Adaptive Allpass-FIR Digital Filter with Low Sensitivity and Reduced Multipliers", 電子情報通信学会技術研究報告, DSP97-158, pp.83-88, Jan. 1998.
  • 尾保手茂樹,鷲見育亮,菖蒲康一,伊藤良生,副井裕: "広い周波数引き込み範囲と高速周波数引き込み特性を有するDual Loop DSP-PLLの提案," 電子情報通信学会技術研究報告, DSP97-159, pp.89-96, Jan. 1998.
  • James Okello, Yoshio Itoh, Yutaka Fukui and Masaki Kobayashi: "Minimization of Multipliers in an Adaptive Filter Based on Estimation of Allpass System," 第11回 回路とシステム(軽井沢)ワークショップ論文集, accepted for presentation, Feb.1998.
  • 薮木登,松田善貴,木村裕幸,副井裕,三木成彦: "カラー画像特徴エネルギーを用いた特定色領域抽出法," 第11回 回路とシステム(軽井沢)ワークショップ論文集, accepted for presentation, Feb.1998.
  • 鷲見育亮,菖蒲康一,尾保手茂樹,副井裕,伊藤良生: "多段位相比較方式を用いた高速PLL周波数シンセサイザ", 第11回 回路とシステム(軽井沢)ワークショップ論文集, accepted for presentation, Feb.1998.
  • 尾保手茂樹,鷲見育亮,北井直樹,菖蒲康一,副井裕,伊藤良生: "目標周波数検出方式高速周波数切換PLL周波数シンセサイザ," 第11回 回路とシステム(軽井沢)ワークショップ論文集, accepted for presentation, Feb.1998.



学会講演

1997年電子情報通信学会ソサイエティ大会  於:早稲田大学
1997年9月 1件発表
電気・情報関連学会中国支部連合大会  於:広島大学
1997年10月 19件発表
電気関係学会関西支部連合大会  於:関西大学
1997年11月 2件発表
電子・情報通信学会総合大会  於:東海大学
1998年3月 7件発表
電気学会全国大会  於:慶応大学
1998年3月 3件発表


4/21,22「第10回 回路とシステム軽井沢ワークショップ」に参加

"A General Algorithm For An Adaptive IIR Digital Filter Based on Estimation of Allpass System" James Okello, Yoshio Itoh, Isao Nakanishi, Yutaka Fukui(Tottori Univ.), Masaki Kobayashi(Ibaraki Univ)

"マルチプログラマブル分周器方式PLL周波数シンセサイザ" 鷲見育亮(鳥取三洋電機), 菖蒲康一(鳥取大学), 津田和俊(日本無線), 尾保手茂樹, 副井裕(鳥取大学)

5/6-5/8「1st Analog VLSI Workshop」に参加

"A New Lowpass Filter for the Fast Frequency Acquisition of the PLL Frequency Synthesizer", Yasuaki Sumi (Tottori SANYO Electric Co., Japan), Shigeki Obote (Tottori Univ., Japan), Kazutoshi Tsuda (Japan Radio Co., Japan), Kouichi Syoubu and Yutaka Fukui (Tottori Univ., Japan).

"A Novel (N+1/2) Pulse Swallow Divider for the PLL Frequency Synthesizer", Yasuaki Sumi (Tottori SANYO Electric Co., Japan), Yasunori Tanimoto (SINKO MEX Co., Japan), Kazutoshi Tsuda (Japan Radio Co., Japan), Shigeki Obote, Kouichi Syoubu and Yutaka Fukui (Tottori Univ., Japan).

6/9-6/12「ISCAS'97」に参加

"Speed Up of Lock up Time in the PLL Frequency Synthesizer Using Frequency Detector", Yasuaki Sumi, Shigeki Obote, Kenta Narai, Kazutoshi Tsuda, Kouichi Syoubu, Yutaka Fukui.

"A New Frequency Domain Composite Adaptive Filter", Isao Nakanishi, Yoshio Itoh, Yutaka Fukui.

"An Adaptive IIR Digital Filter Based on Estimation of Allpass and Minimum-Phase System", James Okello, Yoshio Itoh, Isao Nakanishi, Yutaka Fukui, Masaki Kobayashi.

7/14-16「ITC-CSCC'97」に参加

"A Frequency Domain Composite Adaptive FIR Filter and Reduction Methods of Its Commutational Complexity", Yoshihisa Hamahashi, Isao Nakanishi, Yoshio Itoh and Yutaka Fukui (Tottori Univ.)

"Adaptive IIR Filter Based on the Estimation of Allpass System Using Decorrelation Method", James Okello, Yoshio Itoh, Yutaka Fukui (Tottori Univ.), and Masaki Kobayashi (Ibaraki Univ.) Japan.

"PLL Frequency Synthesizer with Multi-Phase Detector", Yasuaki Sumi (Tottori SANYO Electric Co.,), Kouichi Syoubu, Kazutoshi Tsuda, Shigeki Obote, and Yutaka Fukui (Tottori Univ.) Japan.

"Improvement of the Prescaler Method by the (N+1/2) Pulse Swallow Type PLL Frequency Synthesizer", Yasuaki Sumi (Tottori SANYO Electric Co.,), Yasunori Tanimoto (SINKO MEX), Kazutoshi Tsuda, Shigeki Obote, Kouichi Syoubu, and Yutaka Fukui (Tottori Univ.) Japan.

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