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ANNSESDIHM: An Artificial Neural Network based Signal Enhancement Scheme for Digital Inline Holography (DIH) Microscope

Authors
Chauhan, V.Sanghavi, S.Jessica, J.Seo, D.Seo, S.Roy, M.
Issue Date
2020
Publisher
Institute of Electrical and Electronics Engineers Inc.
Keywords
Auto Encoder; CNN; DIH; ELM
Citation
2020 IEEE International Conference on Healthcare Informatics, ICHI 2020
Journal Title
2020 IEEE International Conference on Healthcare Informatics, ICHI 2020
URI
https://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/8320
DOI
10.1109/ICHI48887.2020.9374319
ISSN
0000-0000
Abstract
Digital inline holography (DIH) is a proven technique for cell and microparticle analysis. This technique has been used for auto characterization of microparticles. Recently, it has been used for the characterization of complete blood count (CBC) from a whole blood sample, where the comparable results between the traditional LH750 Haematology analyser and the DIH microscope system show a correlation of 0.87 for red blood cells (RBC) and 0.92 for white blood cells (WBC). However, we observed that the DIH microscope system is very sensitive to dust and other foreign microparticles from the surrounding environment. This hampers the quality of the micrograph. Moreover, the non-uniform illumination also hinders the signal quality of the images of the cell diffraction patterns. To overcome these problems, we have investigated various neural network-based signal enhancement schemes. The results show a significant improvement in the signal quality to that of the noisy version. The study shows that convolutional neural network (CNN) architecture is performing better in terms of signal improvement compared to the extreme learning machine (ELM). However, the ELM network is converging faster (within 1 epoch) compared to CNN. Also, we have studied the same with a fully connected network, which shows no improvement in the signal quality even for noises with low variance. The result demonstrates that we can use the unsupervised method, such as autoencoder (CNN) to improve the signal quality. ? 2020 IEEE.
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