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+function [invertedImageIndexStruct]=invertedIndexImages(imgSet,bagOfFeatures)
+// This function creates image search index
+//
+// Calling Sequence
+//  imageIndex = invertedIndexImages(imgSet, bagOfFeatures );
+//
+// Parameters
+//  imgSet: Collection of images with their location and labels
+//  bagOfFeatures: Bag of Visual Words
+//  SaveFeatureLocations [Optional Input Argument]: A boolean value inicating whether feature locations has to be saved or not. Values: [True(default)|False]
+//  imageIndex: Search Index Object containing the mapping of visual vocabulary to each image in the image set
+//
+// Description
+//  Creates a search Index Object that has been mapped to visual words that can be used for retrieve Images
+//
+// Examples
+//    imgSet = imageSet(directory,'recursive');
+//    [trainingSet testSet] = partition(imgSet,[0.8]);
+//    bag = bagOfFeatures(trainingSet);
+//    imageindex = invertedIndexImages(trainingSet, bag);
+//
+// With Optional Arguments:
+//    imageindex = invertedIndexImages(trainingSet, bag, "SaveFeatureLocations", 1);
+//
+// Authors
+//  Umang Agrawal
+//  Rohit Suri
+//  Sridhar Reddy
+
+    invertedImageIndexList=indexImages(imgSet,bagOfFeatures);
+    invertedImageIndexStruct=struct('Type','invertedImageIndex','ImageLocation',invertedImageIndexList(5), 'ImageWords',invertedImageIndexList(2), 'WordFrequency',invertedImageIndexList(3),'BagOfFeatures',bagOfFeatures,)
+endfunction