IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2011  > Vol8 No.3
Evaluation on the two filling functions for the recovery of forest information in mountainous shadows on Landsat ETM plus Image
Shahtahmassebi, Amir Reza; Wang Ke; Shen Zhangquan; Deng Jinsong; Zhu Wenjuan; Han Ning; Lin Fengfang; Moore, Nathan
Corresponding AuthorWang, K
2011-06
Source PublicationJOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
Volume8Issue:3Pages:414–426
AbstractIn general, topographic shadow may reduce performance of forest mapping over mountainous regions in remotely sensed images. In this paper, information in shadow was synthesized by using two filling techniques, namely, roifill and imfill, in order to improve the accuracy of forest mapping over mountainous regions. These two methods were applied to Landsat Enhanced Thematic Mapper (ETM +) multispectral image from Dong Yang County, Zhejiang Province, China. The performance of these methods was compared with two conventional techniques, including cosine correction and multisource classification. The results showed that by applying filling approaches, average overall accuracy of classification was improved by 14 percent. However, through conventional methods this value increased only by 9 percent. The results also revealed that estimated forest area on the basis of shadow- corrected images by 'roifill' technique was much closer to the survey data compared to traditional algorithms. Apart from this finding, our finding indicated that topographic shadow was an accentuated problem in medium resolution images such as Landsat ETM+ over mountainous regions.
KeywordShadow Imfill Roifill Landsat Etm
Language英语
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/5846
CollectionJournal of Mountain Science_Journal of Mountain Science-2011_Vol8 No.3
Recommended Citation
GB/T 7714
Shahtahmassebi, Amir Reza,Wang Ke,Shen Zhangquan,et al. Evaluation on the two filling functions for the recovery of forest information in mountainous shadows on Landsat ETM plus Image[J]. JOURNAL OF MOUNTAIN SCIENCE,2011,8(3):414–426.
APA Shahtahmassebi, Amir Reza.,Wang Ke.,Shen Zhangquan.,Deng Jinsong.,Zhu Wenjuan.,...&Moore, Nathan.(2011).Evaluation on the two filling functions for the recovery of forest information in mountainous shadows on Landsat ETM plus Image.JOURNAL OF MOUNTAIN SCIENCE,8(3),414–426.
MLA Shahtahmassebi, Amir Reza,et al."Evaluation on the two filling functions for the recovery of forest information in mountainous shadows on Landsat ETM plus Image".JOURNAL OF MOUNTAIN SCIENCE 8.3(2011):414–426.
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