| Subject | English | Portuguese |
| environ. | image classification | classificação de imagens |
| environ. | image classification Processing techniques which apply quantitative methods to the values in a digital yield or remotely sensed scene to group pixels with similar digital number values into feature classes or categories | classificação de imagens |
| environ. | supervised image classification | classificação de imagens supervisionada |
| environ. | supervised image classification | classificação controlada de imagens |
| environ. | supervised image classification A graphical representation processing technique by which an analyst selects groups of pixels, determines their spectral response signature and trains a computer system to recognize pixels based on this spectral response pattern | classificação de imagens |
| environ. | unsupervised image classification | classificação não controlada de imagens |
| environ. | unsupervised image classification | classificação de imagens não supervisionada |
| environ. | unsupervised image classification Unsupervised classification is a kind of classification which takes place with minimum input from the operator; no training sample is available and subdivision of the feature space is achieved by identifying natural groupings of the measurement vectors | classificação de imagens |