Yoshihiro KOBAYASHI
A study of generating the normalized soil color map with reducing the spectral noise of the water conditions
Atushi RIKIMARU¡¦Kazuyoshi TAKAHASHI
The use of the remote sensing has attracted attentions to acquire information on a vast farmland now. However, the spectral reflectance of soil changes by the soil component and the water content. Especially, the spectral reflectance of soil changes by the water condition in case of the same soil. This becomes a noise when grasping soil information over a wide area using remote sensing data. In this study, from the spectrum reflection measurement result of the soil that changes the water condition of soil,
The normalization technique of spectral reflectance was applied to the spectral reflectance which was changed the water condition. Furthermore, using this normalization technique, normalization images for decreasing the influence by the water condition on digital camera images and high-resolution satellite images were made.
As a result, the normalization technique was able to decrease the influence of spectral reflectance by the water condition. Also by making the normalization images, it was able to decrease the influence by the water condition on images.And using normalization images, humus was estimated to 70% or mor
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