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Quick STEP GEOBIA Plugin icon

Plugin ID: 2349
(6) votes 

Accuracy assessment of object-based image classification - GEOBIA

Quick STEP GEOBIA plugin for QGIS 3 implements STEP, a novel object-based similarity matrix, for assessing both geometric and thematic accuracies of remote-sensing image classification. In contrast to the traditional error matrix, STEP uses samples of classified and reference objects rather than counts of pixels. Moreover, STEP provides four (4) similarity metrics for characterization of classified objects compared with reference objects: (i) shape similarity (S); (ii) theme similarity (T); (iii) edge similarity (E); and (iv) position similarity (P). For more information see: Lizarazo, I. (2014). Accuracy assessment of object-based image classification: another STEP. International Journal of Remote Sensing, 35(16), 6135-6156.

If you feel like Quick STEP plugin for QGIS has made a contribution to your research, please consider citing it using: Ramirez, S., & Lizarazo, I.(2021). Quick STEP GEOBIA: Similarity matrix. QGIS 3 plugin version 0.1.

An example dataset for this plugin is located here:

Version Experimental Min QGIS version Max QGIS version Downloads Uploaded by Date
0.1.2 no 3.0.0 3.99.0 4058 salomoneinstein 2021-04-10T22:22:55.257982+00:00
0.1.1 no 3.0.0 3.99.0 319 salomoneinstein 2021-03-09T13:33:07.181903+00:00
0.1 no 3.0.0 3.99.0 128 salomoneinstein 2021-03-07T16:00:57.408947+00:00

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