Image Classification Archives - GIS Geography

Unsupervised Classification in Remote Sensing

GISGeography — Mon, 14 Aug 2023 12:28:24 +0000

Unsupervised classification is a technique in remote sensing that clusters pixels within a satellite or aerial image into distinct classes.

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Nearest Neighbor Classification in eCognition

GISGeography — Sat, 29 Jul 2017 16:45:38 +0000

Nearest neighbor classification is a powerful approach to classify segmented objects based on specific statistics and training samples chosen by the user.

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Supervised and Unsupervised Classification in Remote Sensing

GISGeography — Thu, 30 Jun 2016 05:47:09 +0000

Supervised classification creates training areas, signature file and classifies. Unsupervised classification generate clusters and assigns classes.

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OBIA – Object-Based Image Analysis (GEOBIA)

GISGeography — Wed, 09 Jul 2014 12:05:06 +0000

Object-based Image Analysis (OBIA) segments an image by grouping pixels together into vector objects. Using these objects, you classify as land cover types.

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Image Classification Techniques in Remote Sensing [Infographic]

GISGeography — Fri, 02 May 2014 15:00:30 +0000

We look at the image classification techniques in remote sensing (supervised, unsupervised & object-based) to extract features of interest.

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Spectral Signature Cheatsheet in Remote Sensing

GISGeography — Thu, 27 Mar 2014 12:32:54 +0000

Every object has its own unique composition. This is equivalent to it having its own spectral signature. Choose the spectral bands for ideal classification

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