Sparse Coding-Based Method Comparison For Land-Use Classification

Dewa Made Sri Arsa, Grafika Jati, M H Hilman

Abstract


Land-use classification utilize  high-resolution remote sensing image. The image is utilized for improving the classification problem. Nonetheless, in other side, the problem becomes more challenging cause the image is too complex. We have to represent the image appropriately. On of the common method to deal with it is Bag of Visual Word (BOVW).  The method needs  a coding process to get the final data interpretation. There are many methods to do coding such as Hard Quantization Coding (HQ), Sparse Coding (SC), and Locality-constrained Linear Coding (LCC). However, that coding methods use a different assumption. Therefore, we have to compare the result of each coding method. The coding method affects classification accuracy. The best coding method will produce the better classification result. Dataset UC Merced consisted 21 classes is used in this research. The experiment result shows that LCC got better performance / accuracy than SC and HQ. LCC method got 86.48 % accuracy. Furthermore, LCC also got the best performance on various number of training data for each class.

Keywords


Land-use classification; high-resolution remote sensing image; Bag of Visual Word (BOVW); Sparse Coding (SC); Hard Quantization Coding (HQ);

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DOI: http://dx.doi.org/10.21609/jiki.v10i2.480

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