AN ASYNCHRONOUS PROGRAMMABLE PARALLEL 2-D IMAGE FILTER CMOS IC BASED ON THE GILBERT VECTOR MULTIPLIER

Rafał Długosz, Vincent Gaudet

Abstract

A novel analogue power-efficient 2-D programmable finite impulse response image filter is proposed. This solution is based on the current-mode Gilbert-vector-multiplier operating in the weak inversion region, which allows for ultra low power operation. The main advantage is in the asynchronous and parallel calculation of all pixel values without using any clock generator. The filter is a programmable structure that allows programmability of different filter masks both low-pass and high-pass. An experimental filter integrated circuit with a resolution of 6x1 pixels dissipates in measurements a power of 30 μW at a data rate of 30 kframes/s in a 180 nm CMOS technology. One of the intended applications of our proposed image filter is in data compression in wireless endoscopic capsules.

References

  1. Meng, M.Q.-H. Tao Mei, Jiexin Pu, Chao Hu, Xiaona Wang, Yawen Chan, “Wireless robotic capsule endoscopy: state-of-the-art and challenges”, 5th World Congress on Intelligent Control and Automation (WCICA), 2004, Vol. 6, June 2004, pp.5561 - 5555
  2. X. Xie, G. Li, X. Chen, X. Li, Z. Wang, “A Low-Power Digital IC Design Inside the Wireless Endoscopic Capsule”, IEEE Journal of Solid-State Circuits, Vol. 41, Issue 11, Nov. 2006, pp. 2390 - 2400
  3. Shaou-Gang Miaou, Shih-Tse Chen, Fu-Sheng Ke, “Capsule endoscopy image coding using waveletbased adaptive vector quantization without codebook training”, 3rd International Conference on Information Technology and Applications (ICITA), Vol. 1, July 2005, pp. 634 - 637
  4. C. Winstead, Analog Iterative Error Control Decoders, Ph.D disserta-tion, University of Alberta, ECE Department, Edmonton, ABa, 2004.
  5. G. Linan, P. Foldesy, S. Espejo, R. Dominguez-Castro, A. Rodriguez-Vazquez, “A 0.5µm CMOS 106 transistors analog programmable array processor for real-time image processing”, 25th European Solid-State Circuits Conference (ESSCIRC), 1999, pp. 358-361.
  6. R. Serrano-Gotarredona, T. Serrano-Gotarredona, A. Acosta-Jimenez, C. Serrano-Gotarredona, J. A. PerezCarrasco, A. Linares-Barranco, G. Jimenez-Moreno, A. Civit-Ballcels, and B. Linares-Barranco, "On RealTime AER 2D Convolutions Hardware for Neuromorphic Spike Based Cortical Processing," IEEE Trans. on Neural Networks, vol.19, No.7, pp. 1196-1219, July 2008
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Paper Citation


in Harvard Style

Długosz R. and Gaudet V. (2009). AN ASYNCHRONOUS PROGRAMMABLE PARALLEL 2-D IMAGE FILTER CMOS IC BASED ON THE GILBERT VECTOR MULTIPLIER . In Proceedings of the International Conference on Biomedical Electronics and Devices - Volume 1: BIODEVICES, (BIOSTEC 2009) ISBN 978-989-8111- 64-7, pages 46-51. DOI: 10.5220/0001536800460051


in Bibtex Style

@conference{biodevices09,
author={Rafał Długosz and Vincent Gaudet},
title={AN ASYNCHRONOUS PROGRAMMABLE PARALLEL 2-D IMAGE FILTER CMOS IC BASED ON THE GILBERT VECTOR MULTIPLIER},
booktitle={Proceedings of the International Conference on Biomedical Electronics and Devices - Volume 1: BIODEVICES, (BIOSTEC 2009)},
year={2009},
pages={46-51},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001536800460051},
isbn={978-989-8111- 64-7},
}


in EndNote Style

TY - CONF
JO - Proceedings of the International Conference on Biomedical Electronics and Devices - Volume 1: BIODEVICES, (BIOSTEC 2009)
TI - AN ASYNCHRONOUS PROGRAMMABLE PARALLEL 2-D IMAGE FILTER CMOS IC BASED ON THE GILBERT VECTOR MULTIPLIER
SN - 978-989-8111- 64-7
AU - Długosz R.
AU - Gaudet V.
PY - 2009
SP - 46
EP - 51
DO - 10.5220/0001536800460051