Principal component analysis of remote sensing imagery: effects of additive and multiplicative noise

Brian R. Corner, Ram M. Narayanan, Stephen E. Reichenbach

Research output: Contribution to journalConference article

2 Citations (Scopus)

Abstract

The potential of high-resolution radar and optical imagery for synoptic and timely mapping in many applications is well-known. Numerous methods have been developed to process and quantify useful information from remotely sensed images. Most image processing techniques use texture based statistics combined with spatial filtering to separate target classes or to infer geophysical parameters from pixel radiometric intensities. The use of spatial statistics to enhance the information content of images, thereby providing better characterization of the underlying geophysical phenomena, is a relatively new technique in image processing. We are currently exploring the relationship between spatial statistical parameters of various geophysical phenomena and those of the remotely sensed image by way of principal component analysis (PCA) of radar and optical images. Issues being explored are the effects of noise in multisensor imagery using PCA for land cover classifications. The differences in additive and multiplicative noise must be accounted for before using PCA on multisensor data. Preliminary results describing the performance of PCA in the presence of simulated noise applied to Landsat Thematic Mapper (TM) images are presented.

Original languageEnglish (US)
Pages (from-to)183-191
Number of pages9
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume3808
StatePublished - Dec 1 1999
EventProceedings of the 1999 Applications of Digital Image Processing XXII - Denver, CO, USA
Duration: Jul 20 1999Jul 23 1999

Fingerprint

Multiplicative Noise
Additive Noise
principal components analysis
imagery
Remote Sensing
Principal component analysis
Principal Component Analysis
remote sensing
Remote sensing
Radar
Image processing
Statistics
Image Processing
image processing
Spatial Filtering
Spatial Statistics
statistics
Landsat
Land Cover
thematic mappers (LANDSAT)

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Principal component analysis of remote sensing imagery : effects of additive and multiplicative noise. / Corner, Brian R.; Narayanan, Ram M.; Reichenbach, Stephen E.

In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 3808, 01.12.1999, p. 183-191.

Research output: Contribution to journalConference article

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