Rationale of the ratio image in multispectral remote sensing
Conference
·
OSTI ID:5294539
A simple mathematical interpretation of the properties of ratio images derived from LANDSAT and other sources of multispectral imagery is presented. A spectral signature is defined which is well represented by ratios of pairs of spectral bands and can be related to the problem of clustering and unsupervised learning. Some practical problems arising in the generation of LANDSAT ratio images are considered, and an effective, simple method for reduction of the dynamic range of such images is presented along with digital image processing examples. 6 figures.
- Research Organization:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 5294539
- Report Number(s):
- LA-UR-77-2688; CONF-771206-21
- Resource Relation:
- Conference: Digital signal processing symposium, Albuquerque, NM, USA, 6 Dec 1977
- Country of Publication:
- United States
- Language:
- English
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