A multiresolution approach to motion estimation and interpolation with application to coding of digital HDTV
The notion of multiresolution signal analysis is used to develop motion estimation algorithms on a three-dimensional pyramid. The motion vectors are then used to interpolate a sequence at a higher resolution, and the difference is coded as an error signal to guarantee very-high-quality coding. This process is repeated to generate a hierarchy of sequences. Such a scheme is well suited for compatible coding of HDTV (high-definition television). The performance of the motion estimation algorithm and of the coding at 100 Mb/s is described. >
Summary In the pilot study, a new geomodeling technology is presented for developing 3D heterogonous geomodels for Athabasca McMurray (MCMR) oil sands. The geomodels were used to simulate SAGD thermal recovery. Both conventional SAGD completions and SAGD with ICD completions were tested. The simulation results show that for a heterogeneous Athabasca McMurray oil sand reservoir, the ICD completion technology enhances oil production and reduces steam consumption. As a result, the economics of SAGD recovery from the heterogeneous sands is improved.