カラー航空写真上の季節の色調変化からみた里山構成樹種の識別に関する研究(平成14年度 日本造園学会研究発表論文集(20))

Translated title of the contribution: Identifying Typical Satoyama Coppice Trees by Analyzing Seasonal Color Change on Aerial Photographs

瀬戸島 政博, 赤松 幸夫, 今井 靖晃, 重松 敏則, 朝廣 和夫, 児玉 滋彦

Research output: Contribution to journalArticle

Abstract

It is important to spatially figure out the actual state of a coppice forest called "Satoyama" in Japanese in order to control and use Satoyama by effectively using its various functions. As part of such efforts, the seasonal change in the tone of nine representative tree species in Satoyama in the suburbs of Fukuoka City was analyzed using aerial color photographic data, and the possibility of tree species classification based on the characteristics of tone change was examined. As a result, evergreen broad-leaved trees showed distinctive tone change in spring, deciduous broad-leaved trees showed distinctive tone change in spring and autumn, while evergreen needle-leaved trees did not show distinctive tone change throughout the year, indicating that each of tree species has specific tone change. In addition, it was understood that the R value in the RGB data, as well as the H value (hue) and the I value (intensity) in the HSI data, clearly showed the change in the tone of trees, which was effective in classification of tree species. Furthermore, it has been understood that optimum observation periods for classification of tree species are May and December.
Original languageJapanese
Pages (from-to)679-684
Number of pages6
Journalランドスケープ研究 : 日本造園学会誌 : journal of the Japanese Institute of Landscape Architecture
Volume65
Issue number5
DOIs
Publication statusPublished - Mar 30 2002

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title = "カラー航空写真上の季節の色調変化からみた里山構成樹種の識別に関する研究(平成14年度 日本造園学会研究発表論文集(20))",
abstract = "It is important to spatially figure out the actual state of a coppice forest called {"}Satoyama{"} in Japanese in order to control and use Satoyama by effectively using its various functions. As part of such efforts, the seasonal change in the tone of nine representative tree species in Satoyama in the suburbs of Fukuoka City was analyzed using aerial color photographic data, and the possibility of tree species classification based on the characteristics of tone change was examined. As a result, evergreen broad-leaved trees showed distinctive tone change in spring, deciduous broad-leaved trees showed distinctive tone change in spring and autumn, while evergreen needle-leaved trees did not show distinctive tone change throughout the year, indicating that each of tree species has specific tone change. In addition, it was understood that the R value in the RGB data, as well as the H value (hue) and the I value (intensity) in the HSI data, clearly showed the change in the tone of trees, which was effective in classification of tree species. Furthermore, it has been understood that optimum observation periods for classification of tree species are May and December.",
author = "政博 瀬戸島 and 幸夫 赤松 and 靖晃 今井 and 敏則 重松 and 和夫 朝廣 and 滋彦 児玉",
year = "2002",
month = "3",
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doi = "10.5632/jila.65.679",
language = "Japanese",
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pages = "679--684",
journal = "ランドスケープ研究 : 日本造園学会誌 : journal of the Japanese Institute of Landscape Architecture",
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publisher = "公益社団法人 日本造園学会",
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AU - 瀬戸島, 政博

AU - 赤松, 幸夫

AU - 今井, 靖晃

AU - 重松, 敏則

AU - 朝廣, 和夫

AU - 児玉, 滋彦

PY - 2002/3/30

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N2 - It is important to spatially figure out the actual state of a coppice forest called "Satoyama" in Japanese in order to control and use Satoyama by effectively using its various functions. As part of such efforts, the seasonal change in the tone of nine representative tree species in Satoyama in the suburbs of Fukuoka City was analyzed using aerial color photographic data, and the possibility of tree species classification based on the characteristics of tone change was examined. As a result, evergreen broad-leaved trees showed distinctive tone change in spring, deciduous broad-leaved trees showed distinctive tone change in spring and autumn, while evergreen needle-leaved trees did not show distinctive tone change throughout the year, indicating that each of tree species has specific tone change. In addition, it was understood that the R value in the RGB data, as well as the H value (hue) and the I value (intensity) in the HSI data, clearly showed the change in the tone of trees, which was effective in classification of tree species. Furthermore, it has been understood that optimum observation periods for classification of tree species are May and December.

AB - It is important to spatially figure out the actual state of a coppice forest called "Satoyama" in Japanese in order to control and use Satoyama by effectively using its various functions. As part of such efforts, the seasonal change in the tone of nine representative tree species in Satoyama in the suburbs of Fukuoka City was analyzed using aerial color photographic data, and the possibility of tree species classification based on the characteristics of tone change was examined. As a result, evergreen broad-leaved trees showed distinctive tone change in spring, deciduous broad-leaved trees showed distinctive tone change in spring and autumn, while evergreen needle-leaved trees did not show distinctive tone change throughout the year, indicating that each of tree species has specific tone change. In addition, it was understood that the R value in the RGB data, as well as the H value (hue) and the I value (intensity) in the HSI data, clearly showed the change in the tone of trees, which was effective in classification of tree species. Furthermore, it has been understood that optimum observation periods for classification of tree species are May and December.

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