@ARTICLE{PajarolaW2000J, author = {R. Pajarola and P. Widmayer}, title = {{A}n {I}mage {C}ompression {M}ethod for {S}patial {S}earch}, journal = {IEEE Transactions on Image Processing}, year = {2000}, volume = {9}, pages = {357-365}, number = {3} }