% harris corner detector

function [xy, R] = harris(img, sigma_grad, sigma_tensor, k, thresh)

    % TODO1
    % compute image derivatives
    imgDx = [];
    imgDy = [];
    
    % construct the structure tensor by computing its elements
    
    % compute the cornerness according to Harris measure
    R=[];
    
    
    % find the location of pixels with cornerness above thresh
    xy = findcoord(R>thresh);
    
end
