High-Resolution Land-Use and Land-Cover Map around Nansei Islands, Japan 2024
(Released in March 2026 / 2024OKA_v26.03)

Project Status: This dataset is part of our ongoing high-resolution mapping project. Technical notes and regional analysis results are being updated periodically on this page.

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2024OKA_v26.03: 19 categories

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Category Definitions

Definition of Categories

Figure 1: Definition and number of reference data for each category. Note that the original category “Cropland” in JAXA HRLULC-Japan has been renamed to “Herbaceous cropland” in this study, as woody crops (orchards) are segregated and classified as independent categories.

Input Data

Input Data Sources

Figure 3: List of input data.

Classification Algorithm (SACLASS2.5)

Algorithm Framework

Figure 4: Processing flow of SACLASS2.5 developed by JAXA.

Accuracy Assessment

  • Overall Accuracy: 90.6 ± 1.9 %
Confusion Matrix

Figure 5a: Confusion matrix for 2024OKA_v26.04. Error bars represent the 95 % confidence interval.