具有像素并行图像增强和旋转方案的500 dpi 224/spl倍/256像素单片指纹识别LSI

2002 IEEE International Solid-State Circuits Conference. Digest of Technical Papers (Cat. No.02CH37315) Pub Date : 2002-08-07 DOI:10.1109/ISSCC.2002.993078

S. Shigematsu, K. Fujii, H. Morimura, T. Hatano, M. Nakanishi, T. Adachi, N. Ikeda, T. Shimamura, Katsuyuki Machida, Y. Okazaki, H. Kyuragi

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引用次数: 8

摘要

500 dpi 224×256-pixel单芯片指纹识别LSI将传感电路适配到手指上，并在像素阵列中进行像素并行图像处理和旋转。测试芯片在2.5 V, 5 MHz下实现2 ms 10mw的传感，41 ms 19.2 mW的识别，具有实用的识别精度。

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A 500 dpi 224/spl times/256-pixel single-chip fingerprint identification LSI with pixel-parallel image enhancement and rotation schemes

A 500-dpi 224×256-pixel single-chip fingerprint identification LSI adapts the sensing circuit to a finger and performs pixel-parallel image processing and rotation in a pixel array. A test chip achieves 2 ms 10 mW sensing, 41 ms 19.2 mW identification, and practical identification accuracy at 2.5 V, 5 MHz.

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2002 IEEE International Solid-State Circuits Conference. Digest of Technical Papers (Cat. No.02CH37315)

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