MATLAB: Can’t understand this statement

Question

while impliminting the code for bilateral filtering from link

http://in.mathworks.com/matlabcentral/fileexchange/12191-bilateral-filtering

i took the input for a small sized image.but the cartoon function gives the following error

??? Error using ==> cartoon at 43 Input image A must be a double precision matrix of size NxMx3 on the closed interval [0,1].

how should i change the code to accommodate this image whose dimensions are 24*18 pixels

Thanks in advance :]

Answer 1

T = im2double(YourMatrix) ;
T2 = repmat(T, 1, 1, 3);
cartoon(T2)