Building a Globally Optimized Computational Intelligent Image Processing Algorithm for On-Site Inference of Nitrogen in Plants

Sulistyo, Susanto, Woo, Wai Lok, Dlay, Satnam and Gao, Bin (2018) Building a Globally Optimized Computational Intelligent Image Processing Algorithm for On-Site Inference of Nitrogen in Plants. IEEE Intelligent Systems, 33 (3). pp. 15-26. ISSN 1541-1672

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Abstract

Estimating nutrient content in plants is a very crucial task in the application of precision farming. This work will be more challenging if it is conducted nondestructively based on plant images captured on field due to the variation of lighting conditions. This paper proposes a computational intelligence image processing to analyze nitrogen status in wheat plants. We developed an ensemble of deep learning multilayer perceptron (DL-MLP) which was fused by committee machines for color normalization and image segmentation using the 24-patch Macbeth color checker as the color reference. This paper also focuses on building a genetic algorithm based global optimization to fine tune the color normalization and nitrogen estimation results. In our experiments, we discovered that the developed DL-MLP and global optimization can successfully normalize plant images by reducing color variabilities compared to other color normalization methods. Furthermore, this algorithm is able to enhance the nitrogen estimation results compared to other non-global optimization methods as well as the most renowned SPAD meter based nitrogen measurement.

Item Type:	Article
Uncontrolled Keywords:	diagnostics, image processing and computer vision, integration and modeling, system architectures
Subjects:	G400 Computer Science
Department:	Faculties > Engineering and Environment > Computer and Information Sciences
Depositing User:	Paul Burns
Date Deposited:	25 Mar 2019 18:00
Last Modified:	10 Oct 2019 20:34
URI:	http://nrl.northumbria.ac.uk/id/eprint/38538

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