i try to run useLBP features to differentiate images by their texture example.m and i have got an error saying Error in (line 26) lbpBricks1 = extractLBP​Features(b​rickWall,'​Upright',f​alse); what can i do to fix this problem

%% Using LBP Features to Differentiate Images by Texture % %% % Read images that contain different textures.

% Copyright 2015 The MathWorks, Inc.

brickWall = imread('bricks.jpg'); rotatedBrickWall = imread('bricksRotated.jpg'); carpet = imread('carpet.jpg'); %% % Display the images. figure imshow(brickWall) title('Bricks')

figure imshow(rotatedBrickWall) title('Rotated Bricks')

figure imshow(carpet) title('Carpet') %% % Extract LBP features from the images to encode their texture information. lbpBricks1 = extractLBPFeatures(brickWall,'Upright',false); lbpBricks2 = extractLBPFeatures(rotatedBrickWall,'Upright',false); lbpCarpet = extractLBPFeatures(carpet,'Upright',false); %% % Gauge the similarity between the LBP features by computing the squared error between them. brickVsBrick = (lbpBricks1 - lbpBricks2).^2; brickVsCarpet = (lbpBricks1 - lbpCarpet).^2; %% % Visualize the squared error to compare bricks versus bricks and bricks versus carpet. The squared error is smaller when images have similar texture. figure bar([brickVsBrick; brickVsCarpet]','grouped') title('Squared Error of LBP Histograms') xlabel('LBP Histogram Bins') legend('Bricks vs Rotated Bricks','Bricks vs Carpet')

[Image Analyst]

What is the error? You forgot to tell us the actual error message.

http://www.mathworks.com/matlabcentral/answers/13205#answer_18099

http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer