Search Results 1-19 of 19

  • Using Negative Feedback in CMOS Image Sensors to Detect Intra-frame Motion  [in Japanese]

    Ikebe Masayuki , Igarashi Masaki , Motohisa Junichi

    … We investigated a negative feedback method for adding functionality to a CMOS image sensor. … The negative feedback reset functions as a noise cancellation technique and can obtain intermediate image data during charge accumulation. …

    The Journal of The Institute of Image Information and Television Engineers 62(3), 376-383, 2008

    J-STAGE  Cited by (1)

  • Evaluation of a method for extending dynamic-range of a CMOS-image sensor and the behavior control  [in Japanese]

    池辺 将之 , 櫻谷 直史 , 五十嵐 正樹 [他]

    ITE technical report 31(50), 11-14, 2007-10

  • Motion Detection by CMOS-Image Sensor with Negative feedback Resetting  [in Japanese]

    IKEBE Masayuki , SAKURAYA Naofumi

    いままでに、CMOSイメージセンサのリセット方式に負帰還を用いて、蓄積容量を制御することで広ダイナミックレンジを圧縮するCMOSイメージセンサの開発を行ってきた。本研究のイメージセンサは、負帰還を用いたリセット方式により、PD容量に任意の中間電圧を設定できる。そのため、中間撮像結果を直接読み出すことが可能である。また、プログラマブルシーケンサを採用することで、柔軟な行処理に対応している。これらを用 …

    IEICE technical report 107(163), 177-182, 2007-07-19

    References (10)

  • Motion detection by CMOS-image sensor with negative feedback resetting  [in Japanese]

    池辺 将之 , 櫻谷 直史

    ITE technical report 31(34), 177-182, 2007-07

  • A Wide-Dynamic-Range Compression Image Sensor With Negative-Feedback Resetting

    Ikebe M. , Saito K.

    IEEE Sensors Journal 7(5), 897-904, 2007-05

    Cited by (2)

  • CMOS Image Sensor Using Negative-Feedback Resetting to Obtain Variably Smoothed Images

    IKEBE Masayuki , SAITO Keita

    … This sensor uses a negative-feedback technique to set photodiode (PD) capacitance in the pixel circuit to any intermediate voltage during charge accumulation and it provides a neighboring-pixel operation by using their average value when resetting the PD capacitance. …

    IEICE transactions on electronics 89(11), 1662-1669, 2006-11-01

    References (9)

  • HDR-Compression-CMOS-Image Sensor with Negative feedback Resetting  [in Japanese]

    IKEBE Masayuki , SAKURAYA Naofumi

    ITE technical report 30(38), 91-96, 2006-07-27

    References (3)

  • HDR-Compression-CMOS-Image Sensor with Negative feedback Resetting  [in Japanese]

    IKEBE Masayuki , SAKURAYA Naofumi

    CMOSイメージセンサのリセット方式に負帰還を用いて、蓄積容量を制御することで広ダイナミックレンジを圧縮するCMOSイメージセンサを試作した。解像度はQVGAである。本研究のイメージセンサは、負帰還を用いたリセット方式により、PD容量に任意の中間電圧を設定できる。また、各画素の出力値をそのまま再設定する機構を搭載し、各画素を個別にリセットできる。本方式を用いることで広ダイナミックレンジ圧縮をフラグ …

    IEICE technical report 106(189), 91-96, 2006-07-20

    References (3)

  • Evaluation of a combination of Negative Feedback Resetting and CDS for a CMOS-Image Sensor  [in Japanese]

    IKEBE Masayuki , SAITO Keita

    ITE technical report 29(61), 13-16, 2005-10-27

    References (3)

  • Controlling PD-Capacitance of CMOS-Image Sensor using Negative feedback Resetting  [in Japanese]

    IKEBE Masayuki , IDUNOME Mariko , SEKIGUCHI Takeshi , UMEKAI Katsuhiro , OOSAWA Isaku , OOSUMI Yuji

    CMOSイメージセンサのリセット方式に負帰還を用いて、蓄積容量制御を行う方式を検討した。そしてその方式を用いた広ダイナミックレンジを圧縮するCMOSイメージセンサの基本回路を試作した。まず、負帰還を用いたリセット方式により、PD容量に任意の中間電圧を設定できることを示す。次に各画素の出力値をそのまま再設定する機構を盛り込むことで、各画素を個別にリセットできることを示す。この方式を用いることで広ダイ …

    Technical report of IEICE. ICD 105(185), 57-62, 2005-07-08

    References (3)

  • 負帰還を用いたCMOSイメージセンサの蓄積容量制御  [in Japanese]

    池辺 将之 , 泉妻 まり子 , 関口 毅 [他]

    ITE technical report 29(41), 57-62, 2005-07

  • On-Chip Fixed-Pattern-Noise Canceling by Negative-Feedback Reset for CMOS Image Sensors  [in Japanese]

    KAGAYA Ryo , IKEBE Masayuki , ASAI Tetsuya , AMEMIYA Yoshihito

    We propose a new method for canceling the fixed-pattern noise in CIVIOS image sensors caused by the threshold mismatch of MOSFETs in pixel circuits. This method uses non-destructive intermediate reado …

    The Journal of The Institute of Image Information and Television Engineers 59(3), 415-421, 2005-03-01

    J-STAGE  References (10) Cited by (3)

  • Evaluation of a Method for Extending Dynamic-Range of a CMOS-Image Sensor and the Behavior Control  [in Japanese]

    IKEBE Masayuki , KAGAYA Ryo , HIGUCHI Takuya , UMEKAI Katsuhiro , OSAWA Isaku , OSUMI Yuji

    ITE technical report 28(58), 5-8, 2004-10-14

    References (6)

  • Evaluation of a Method for Extending Dynamic-Range of a CMOS-Image Sensor  [in Japanese]

    IKEBE Masayuki , OOSUMI Yuji , NISHIGAKI Yoshihiro , KANETAKA Tatsuya

    ITE technical report 28(37), 47-52, 2004-07-13

    References (10)

  • Evaluation of a Method for Extending Dynamic-Range of a CMOS-Image Sensor  [in Japanese]

    IKEBE Masayuki , OOSUMI Yuji , NISHIGAKI Yoshihiro , KANETAKA Tatsuya

    CMOSイメージセンサのリセット方式を工夫することで、広ダイナミックレンジ化を実現する手法を検討した。まず、負帰還を用いたリセット方式により、PD容量(またはFD容量)に任意の中間電圧を設定できることを示す。次に各画素の出力値をそのまま再設定する機構を盛り込むことで、擬似的に画素値を保持できることを示す。上記2つの状態を各画素に対し選択的に行うことで広ダイナミックレンジ化を実現する。出力される値は …

    Technical report of IEICE. ICD 104(174), 47-52, 2004-07-06

    References (10) Cited by (1)

  • Resetting Mechanism of Central and Peripheral Circadian Clocks in Mammals

    HIROTA Tsuyoshi , FUKADA Yoshitaka

    … The circadian clock is generally reset by environmental time cues, such as light, in order to synchronize with the external 24-h cycles. … In mammals, the core oscillator of the circadian clock is composed of transcription/translation-based negative feedback loops regulating the cyclic expression of a limited number of clock genes (such as Per, Cry, Bmal1, etc.) and hundreds of output genes in a well-concerted manner. …

    ZOOLOGICAL SCIENCE 21(4), 359-368, 2004-04-25

    J-STAGE  NDL Digital Collections  References (128) Cited by (4)

  • Regulatory mechanisms of erythropoietin levels in dialysis patients

    TAGAWA HITOSHI , UMEZU MICHIO , SAITO TSUNEHIRO , YAMAKADO MINORU , NAGANO MASASHI , URABE AKIO , TAKAKU FUMIMARO

    … These findings indicate that the Epo levels in dialysis patients are inappropriately low for the severity of anemia and suggest that a negative feedback mechanism of the hematocrit on the Epo secretion may exist in uremic patients as well as in normal subjects and that the threshold for Epo secretion might be 'reset' at a low hematocrit level. …

    The Japanese Journal of Nephrology 32(3), 297-303, 1990

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  • Pneumatic Digital Amplifier with Positive Feedback System

    YAMAMOTO Iwao

    … Described in this paper, is a switching device based on a pneumatic amplifier with a positive feedback system. … The positive pulsating pressure introduced in the latter bellows serves as the input signal for setting the device and keeps the output pressure at a high level by the positive feedback action of the former bellows. …

    Transactions of the Society of Instrument and Control Engineers 15(6), 807-813, 1979

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  • Pituitary-Gonadal Function in the Aged Male  [in Japanese]

    KATO Ken-ichi , MOTOMATSU Toshiharu , AKAMINE Yasuo , NAWATA Hajime , WASADA Taro , OMA Hiroshi , UMEDA Fumio , HAJI Masafumi , MUTA Kazuo

    … function in aging men may occur primarily in the testis and suggest the possibilities that (1) the feedback action of testosterone on gonadotropin secretion could be exerted at the hypothalamic level rather than at the pituitary level, and that (2) the set point of testosterone in its negative feedback control of gonadotropin secretion in the aged males might be reset at a higher level, probably due to the decrease in gonadal steroid hormone receptors in the hypothalamus …

    Folia Endocrinologica Japonica 53(12), 1300-1309, 1977

    J-STAGE  Ichushi Web  Cited by (1)

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