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    %% Modify Search Parameters For Image Search
% Use the |evaluateImageRetrieval| function to help select proper search parameters.
%%
% Create an image set.

% Copyright 2015 The MathWorks, Inc.

setDir  = fullfile(toolboxdir('vision'),'visiondata','imageSets','cups');
imds = imageDatastore(setDir, 'IncludeSubfolders', true, 'LabelSource', 'foldernames');
 
%% Index the image set.
 imageIndex = indexImages(imds,'Verbose',false);

%%
% Tune image search parameters.
imageIndex.MatchThreshold = 0.2;
imageIndex.WordFrequencyRange = [0 1]

queryImage = readimage(imds, 1);
indices = retrieveImages(queryImage,imageIndex);