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QGIS Python Plugins Repository

Quick STEP Plugin icon

(13) votes 

Accuracy assessment of object-based image classification - GEOBIA

Quick STEP plugin for QGIS 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.(2016). Quick STEP: Accuracy assessment similarity matrix for GEOBIA. QGIS plugin version 0.1.

An example dataset for this plugin is located here: https://goo.gl/Gso2B3

Version Experimental Minimum QGIS version Downloads Uploaded by Date
0.1 no 2.0.0 2700 salomoneinstein May 29, 2016, 10:55 p.m.

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