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    %% Combine MSER Region Detector with SURF Descriptors  
% Extract and display SURF descriptors at locations identified by MSER detector.   

%% 
% Read image. 
 
I = imread('cameraman.tif');  

%% 
% Detect MSER features. 
 
regionsObj = detectMSERFeatures(I);  

%% 
% Extract and display SURF descriptors. 
 
[features, validPtsObj] = extractFeatures(I, regionsObj);
imshow(I); hold on;
plot(validPtsObj,'showOrientation',true);