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MIPA4k: Mixed-Mode Cellular Processor Array

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Focal-Plane Sensor-Processor Chips

Abstract

This chapter describes MIPA4k, a 64 ×64 cell mixed-mode image processor array chip. Each cell includes an image sensor, A/D/A conversion, embedded digital and analog memories, and hardware-optimized grey-scale and binary processing cores. We describe the architecture of the processor cell, go through the different functional blocks and explore its processing capabilities. The processing capabilities of the cells include programmable space-dependent neighbourhood connections, ranked-order filtering, rank identification and anisotropic resistive filtering. For example, asynchronous analog morphological reconstruction operation can be performed with MIPA4k. The image sensor has an option for locally adaptive exposure time. Also, the peripheral circuitry can highlight windows of activation, and pattern matching can be performed on these regions of interest (ROI) with the aid of parallel write operation to the active window. As the processing capabilities are complemented with global OR and global sum operations, MIPA4k is an effective tool for high-speed image analysis.

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Acknowledgements

This work was partly funded by the Academy of Finland grants 106451, 117633 and 131295. The authors also thank Turku Science Park and The Turku University Foundation for their help in funding the MIPA4k chip manufacturing.

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Authors and Affiliations

  1. Microelectronics laboratory, University of Turku, Turku, Finland

    Mika Laiho

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  1. Mika Laiho
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  2. Jonne Poikonen
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  3. Ari Paasio
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Corresponding author

Correspondence to Mika Laiho .

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  1. Computer & Automation Research Inst., MTA Budapest, Budapest, 1518, Hungary

    Ákos Zarándy

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Laiho, M., Poikonen, J., Paasio, A. (2011). MIPA4k: Mixed-Mode Cellular Processor Array. In: Zarándy, Á. (eds) Focal-Plane Sensor-Processor Chips. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-6475-5_3

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  • DOI: https://doi.org/10.1007/978-1-4419-6475-5_3

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