Takahiro Yamaguchi, Yoshinori Sunaga, M. Haruta, T. Noda, K. Sasagawa, T. Tokuda, J. Ohta
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引用次数: 0
Abstract
We developed and evaluated a miniaturized CMOS image sensor with self-reset function in order to improve signal-to-noise ratio (SNR) of an implantable imaging device. The sensor is capable to image under high intensity illumination where the peak SNR determined by the shot-noise is increased. The pixel size is 15-μm square, which is as small as neural cells and acceptable for implantable image sensor. With illumination of 1.7 × 10-3 W/cm2, and a frame rate of approximately 230 fps, SNR over 60 dB was achieved.
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