multispectral classification

[ˌmʌltiˈspɛktrəl ˌklæsɪfɪˈkeɪʃən]
nounfemininepl: multispectral classifications / classificações multiespectrais
classificação multiespectral
1. A remote sensing technique that analyzes multiple wavelength bands of electromagnetic radiation to categorize and identify different objects, materials, or land cover types in imagery
Multispectral classification helps identify different crop types by analyzing data from several spectral bands simultaneously.
A classificação multiespectral ajuda a identificar diferentes tipos de culturas analisando dados de várias bandas espectrais simultaneamente.
2. The process of assigning pixels in multispectral imagery to discrete classes based on their spectral signatures using supervised or unsupervised algorithms
The multispectral classification algorithm classified the satellite image into urban, vegetation, and water categories.
O algoritmo de classificação multiespectral classificou a imagem de satélite em categorias de áreas urbanas, vegetação e água.
This term is primarily technical and used in geospatial science, environmental monitoring, and agriculture. In Brazil, it's commonly employed by INPE (Instituto Nacional de Pesquisas Espaciais) and environmental agencies. In the USA, it's standard in the geospatial industry, USGS applications, and satellite imagery analysis. The term reflects the global nature of remote sensing technology and environmental monitoring practices.
Synonyms / Sinônimos
spectral classificationremote sensing classificationmultispectral image classificationspectral image analysis
Antonyms / Antônimos
panchromatic classificationmonospectral analysis

Regional Variations

General Brazilian
classificação multiespectral
Standard term used in Brazilian academic and professional contexts
São Paulo
classificação multiespectral
Widely used in geospatial technology sector and universities
Portugal
classificação multiespectral
European Portuguese uses the same term; common in Portuguese remote sensing research
USA
multispectral classification
Standard English term; widely used in NASA, USGS, and geospatial industry

Related Words

spectral signaturesupervised classificationunsupervised classificationremote sensingimage segmentationspectral bandhyperspectral classificationpixel classification

Related Idioms & Phrases

spectral analysis workflow
classification accuracy assessment
training data selection
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