Implementation of an image retrieval system using wavelet decomposition and gradient variation

FREE-DOWNLOAD KA Wang, HH Lin, PC Chan, CH Lin… – WSEAS Transactions …, 2008 –
Texture gradient is a popular operation for extracting features used for content-based image
retrieval (CBIR) of texture images. It is useful for depicting gradient magnitude and direction of
adjacent pixels in an image. In this thesis, we proposed two methods for retrieving texture