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Siamese neural network improves the performance of a convolutional neural network in colloidal self-assembly state classification

Journal of Chemical Physics, ISSN: 1089-7690, Vol: 161, Issue: 20
2024
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  • Mentions
    1
    • News Mentions
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      • News
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Research from Louisiana State University in the Area of Chemical Physics Described (Siamese neural network improves the performance of a convolutional neural network in colloidal self-assembly state classification)

2024 DEC 12 (NewsRx) -- By a News Reporter-Staff News Editor at Network Daily News -- Current study results on chemical physics have been published.

Article Description

Identifying the state of the colloidal self-assembly process is critical to monitoring and controlling the system into desired configurations. Recent application of convolutional neural networks with unsupervised clustering has shown a comparable performance to conventional approaches, in representing and classifying the states of a simulated 2D colloidal batch assembly system. Despite the early success, capturing the subtle differences among similar configurations still presents a challenge. To address this issue, we leverage a Siamese neural network to improve the accuracy of the state classification. Results from a Brownian dynamics-simulated electric field-mediated colloidal self-assembly system and a magnetic field-mediated colloidal self-assembly system demonstrate significant improvement from the original convolutional neural network-based approach. We anticipate the proposed improvement to further pave the way for automated monitoring and control of colloidal self-assembly processes in real time and real space.

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