1. exist - exist file or other things
if~exist(metaDir, 'file');
metaDir = '\\netapp-ma\public\stereo_of_data\';
End
2. fullfile - complete the file path
dataDir= fullfile(metaDir, '4m4fb1.0');
3. medfilt2 - 2-D median filter
fori=1:size(data.uvsmall,3);
data.uvmedian(:,:,i) =medfilt2(data.uvsmall(:,:,i), [5 5], 'symmetric');
End
4. resize - image resize function
data.uvFull= imresize(data.uvmedian, [Hs*4, Ws*4], 'bilinear', 'Antialiasing', false);
data.uvbFull= imresize(data.uvmedian_b, [Hs*4, Ws*4], 'bilinear', 'Antialiasing', false);
5. shiftdim - shift dimensions
http://voyageman.blog.163.com/blog/static/176683080201533111130151/
6. numel - number of elements
N= numel(x(:));
7. Sort
x= sort(x(:), 'ascend');
8. E(:) - multiple dimensions to nx1dimension
sum((E(:)>tau))/nValid;
9. interp2 - 2D interpolation
http://blog.sina.com.cn/s/blog_6a4eb38401011ef3.html
10. find - findindices of nonzero elements
nValid= length(find(F_val));