www.themegallery.com Handwritten digit recognition aided by meta-features Define covariance matrix if features i, have the same value of ut, ur, ug otherwise u The weights across features with dififerent sizes, orientations or number of inputs are uncorrelated 40+20 identical blocks of size 400 X 400Company name www.themegallery.com Handwritten digit recognition aided by meta-features Define covariance matrix ◼ The weights across features with different sizes, orientations or number of inputs are uncorrelated. ◼ 40+20 identical blocks of size 400×400