A robust texture analysis and classification approach for urban land-use and land-cover feature discrimination

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

Attempts to analyze urban features and to classify land use and land cover directly from high-resolution satellite data with traditional computer classification techniques have proven to be inefficient for two primary reasons. First, urban landscapes are composed of complex features. Second, traditional classifiers employ spectral information based on single pixel value and ignore a great amount of spatial information. Texture plays an important role in image segmentation and object recognition, as well as in interpretation of images in a variety of applications. This study analyzes urban texture features in multi-spectral image data. Recent developments in the very powerful mathematical theory of wavelet transforms have received overwhelming attention by image analysts. An evaluation of the ability of wavelet transform in urban feature extraction and classification was performed in this study, with six types of urban land cover features classified. The preliminary results of this research indicate that the accuracy of texture analysis in classifying urban features in fine resolution image data could be significantly improved with the use of wavelet transform approach.

Original languageEnglish (US)
Pages (from-to)29-40
Number of pages12
JournalGeocarto International
Volume16
Issue number4
DOIs
StatePublished - 2001
Externally publishedYes

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wavelet
land cover
transform
discrimination
land use
texture
mathematical theory
multispectral image
image resolution
segmentation
satellite data
pixel
interpretation
ability
evaluation
analysis
Values
urban landscape
urban study

ASJC Scopus subject areas

  • Water Science and Technology
  • Geography, Planning and Development

Cite this

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