Feature extraction for plant growth estimation

• URL: http://arxiv.org/abs/2606.11966v1
• Date: Wed, 10 Jun 2026 11:43:48 GMT
• Title: Feature extraction for plant growth estimation
• Abstract summary: Precision agriculture requires estimation of plant growth stages in real-time.<n>Plants at different growth stages have similar morphological features, which can make autonomous growth stage estimation difficult.<n>This paper presents two feature extraction methods for growth stage estimation.
• Score: 2.466065249430993
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Precision agriculture requires the estimation of plant growth stages in real-time. When the plant growth stage is known, the wastage of resources in cultivation, such as nutrients and water, is reduced as only the required resources need to be supplied. Plants at different growth stages, however, have similar morphological features, which can make autonomous growth stage estimation difficult. This paper presents two feature extraction methods for growth stage estimation: one that uses a bank of Gabor filters and morphological operations, and the other that uses pre-trained convolutional neural networks (CNNs) and transfer learning. We test these methods on a publicly available plant growth stage dataset (``bccr-segset``) for two species, canola and radish, grown and captured under indoor conditions. The two proposed feature extraction methods are compared, using support vector machines and boosted trees as classifiers. We find that both methods are suitable for real-time applications, and that CNN features outperform the hand-crafted features, both with regard to speed and accuracy. The best system (VGG-19 features, classified with a radial basis function support vector machine) obtained an accuracy of 98.4% for both species, processing an image in 0.08 seconds.

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