An unsupervised representation learning approach for modelling forest landform characteristics and fire susceptibility assessment

ZHUANG Zijun; YUAN Xiaobing; PEI Jun; WANG Guohui; LIU Jianpo

doi:10.7523/j.ucas.2021.0057

Journal of University of Chinese Academy of Sciences >

2023 , Vol. 40 >Issue 2: 227 - 239

DOI: https://doi.org/10.7523/j.ucas.2021.0057

Research Articles

An unsupervised representation learning approach for modelling forest landform characteristics and fire susceptibility assessment

ZHUANG Zijun ,
YUAN Xiaobing ,
PEI Jun ,
WANG Guohui ,
LIU Jianpo

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1 Science and Technology on Microsystem Laboratory, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China;
2. School of Information Science and Technology, ShanghaiTech University, Shanghai 201210, China;
3. University of Chinese Academy of Sciences, Beijing 100049, China

Received date: 2021-01-12

Revised date: 2021-04-09

Online published: 2021-04-09

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Abstract

Destructive wildfires have caused extraordinary losses in both economic and natural property worldwide with an even increasing frequency in recent decades. One practical approach in forest fire susceptibility prediction is using statistical learning methods to learn from historic data. Conventional methods use handcraft feature to reduce data dimension. With the continuous development of remote sensing technology, the difficulty of obtaining high-precision gridded multi-dimensional forest landform information is constantly decreasing. It is difficult to make full use of such data through handcraft features, which limits the performance of conventional methods when applied in the real world. This paper introduces a novel approach to model forest geographic information through deep representation learning, which is, leveraging deep convolutional neural network and state-of-the-art representation learning methods to extract feature embedding for a given area of interest. Fire susceptibility assessment experiments are used to evaluate the proposed method and compare the unsupervised learning and its supervised counterpart to show its effectiveness.

Key words： representation learning; convolutional neural network (CNN); deep clustering; forest fire risks

Cite this article

ZHUANG Zijun , YUAN Xiaobing , PEI Jun , WANG Guohui , LIU Jianpo . An unsupervised representation learning approach for modelling forest landform characteristics and fire susceptibility assessment[J]. Journal of University of Chinese Academy of Sciences, 2023 , 40(2) : 227 -239 . DOI: 10.7523/j.ucas.2021.0057

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