If you have a poured concrete patio, you may wonder how often you should refinish it. The answer depends on many factors, ...

A beautiful new pattern imprinted concrete driveway, path or patio will add value to any property. We provide a large variety of colour and design options from which you can select the most ...

Persistent Link: https://ieeexplore.ieee.org/servlet/opac?punumber=18 ...

Some moment invariants under general two-dimensional linear transformations are also included. Both theoretical formulation and practical models of visual pattern recognition based upon these moment ...