The sequency characteristics of local binary sequence is used to describe the gray variation of image neighbourhoods,and a new multiresolution and rotation invariant texture descriptor is proposed based on the local Walsh spectrum(LWS).The characteristic histogram composed of LWS is used to describe the texture feature.The spectra of DWT on two texture classification experiments are implemented based on Brodatz and Outex texture database respectively.Comparing with Gray Level Co-occurrence Matrix(GLCM) and ...