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LABEL-FREE BIO-AEROSOL SENSING USING MOBILE MICROSCOPY AND DEEP LEARNING
LABEL-FREE BIO-AEROSOL SENSING USING MOBILE MICROSCOPY AND DEEP LEARNING
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机译:利用移动显微镜和深度学习进行无标签生物气溶胶传感
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摘要
A label-free bio-aerosol sensing platform and method uses a field-portable and cost-effective device based on holographic microscopy and deep-learning, which screens bio-aerosols at a high throughput level. Two different deep neural networks are utilized to rapidly reconstruct the amplitude and phase images of the captured bio-aerosols, and to output particle information for each bio-aerosol that is imaged. This includes, a classification of the type or species of the particle, particle size, particle shape, particle thickness, or spatial feature(s) of the particle. The platform was validated using the label-free sensing of common bio-aerosol types, e.g., Bermuda grass pollen, oak tree pollen, ragweed pollen, Aspergillus spore, and Alternaria spore and achieved 94% classification accuracy. The label-free bio-aerosol platform, with its mobility and cost-effectiveness, will find several applications in indoor and outdoor air quality monitoring.
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