首页|Multispectral image sensor attachable to low-cost microcomputers
Multispectral image sensor attachable to low-cost microcomputers
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NSTL
Optical Soc Japan
Multi-spectral filter array composed of a wavy alternating dielectric multilayer was integrated on a CMOS image sensor of the Raspberry Pi HQ Camera. The filter array consists of 16-channel elementary filters exhibiting pseudo-random transmission characteristics. Each filter covers 20 x 20 CMOS pixels. The incoming spectrum is encoded as a set of 16 grayscale intensities and passed to principal component analysis (PCA) to classify the states of the target spectral characteristic. Preliminary demonstration for blood flow state identification in human peripheral revealed proposed device's potential ability as a real-time monitoring tool in the near infrared.
NSTL
Optical Soc Japan
