Image files comparison using histograms and profiles V1.0

Created: 2011-11-22 12:29:08      Last updated: 2011-11-23 13:47:20

This workflow extracts histogram and profile features from image file applying image processing command line tool. Necessary configuration files are stored on Github ( As a template for creation of image workflows was used xa-toolwrapper project from Sven Schlarb ( This workflow provides WSDL web service that wraps command line tool with tho options ‘extractFeatures’ and ‘compare’. The ‘extractFeatures’ option expects an URL to the image file as parameter. The output is an XML file with histogram data. Having two XML features files and passing their URLs to 'compare' option we will get comparison result in XML format. Comparison result comprises different characteristics provided with value between 0 and 1. 0 means that images are similar and 1 means they are different. Also the workflow provides output of processing log, return code (0 if successful).

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