Knowledge-Driven Transfer Learning for Tree Species Recognition

Knowledge-Driven Transfer Learning for Tree Species Recognition

2022 17th International Conference on Control, Automation, Robotics and Vision (ICARCV)

10.1109/ICARCV57592.2022.10004314

http://dx.doi.org/10.1109/icarcv57592.2022.10004314

Joyjit Chattoraj, Feng Yang, Chi Wan Lim, Like Gobeawan, Xuan Liu, Venugopalan S.G. Raghavan

10 January 2023

Chattoraj, J., Yang, F., Lim, C. W., Gobeawan, L., Liu, X., & Raghavan, V. S. G. (2022, December 11). Knowledge-Driven Transfer Learning for Tree Species Recognition. 2022 17th International Conference on Control, Automation, Robotics and Vision (ICARCV). https://doi.org/10.1109/icarcv57592.2022.10004314

Deep learning methods on remote sensing data are an attractive approach in place of human observation for automating recognition of hundreds of thousands of tree species in nature. However, this approach requires a large amount of training data for each species, while actual data are scarce - only a small subset of tree species data can be acquired, notwithstanding the unknown, new species. To overcome the data scarcity challenge and to enable versatile recognition of known and unknown species, we propose a knowledge-driven transfer learning framework for tree species profiling, where a base model of multitasking graph neural network is trained on synthetic species data, which are generated from the universal botany domain knowledge and limited field measurement data. This base model is then transferred to a new multitasking graph neural network model to train on real tree data of limited availability. Our proposed species recognition framework was tested for profiling tree species by classifying a few species profile parameters and showed a significant improvement in the prediction accuracy in comparison to deep learning models trained on just real tree data.

Publisher Copyright

This research / project is supported by the National Research Foundation, Singapore - Joint New Zealand - Singapore Data Science Research Programme
Grant Reference no. : SDSC-2020-002

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