The latest H.264/AVC video compression standard promises significantly higher compression efficiency than prior standards. H.264/AVC achieves coding gains through a rich set of advanced coding tools including variable block size motion compensation, quarter-pel motion compensation and long-term memory motion compensation [1]. However, with so many coding options available, it has become extreme...

Following a brief overview of two-dimensional (2-D) parametric motion models commonly used in video manipulation and compression, we introduce trifocal transfer, which is an image-based scene representation used in computer vision, as a motion compensation method that uses three frames at a time to implicitly capture camera/scene motion and scene depth. Trifocal transfer requires a trifocal ten...

Long-term memory prediction extends motion compensation from the previously decoded frame to several past frames with the result of increased coding ee-ciency. In this paper we demonstrate that combining long-term memory prediction with aane motion compensation leads to even higher coding gains. For that, various aane motion parameter sets are estimated between frames in the long-term memory bu...

Stimulated echo acquisition mode (STEAM) diffusion MRI can be advantageous over pulsed-gradient spin-echo (PGSE) for diffusion times that are long compared with T2 . It therefore has potential for biomedical diffusion imaging applications at 7T and above where T2 is short. However, gradient pulses other than the diffusion gradients in the STEAM sequence contribute much greater diffusion weighti...

This poster contains two contributions to very-low-bitrate video coding. First, we show that in contrast to common practice incremental techniques for rate-distortion optimization such as the generalized BFOS algorithm may clearly outperform the standard technique based on Lagrangian multipliers. This is relevant in cases where the computation of RDpoints has a low complexity. An implementation...

In this paper, we study the best rate distortion performance that an H.264 encoder can possibly achieve. Using soft decision quantization rather than the standard hard decision quantization, we first establish a general framework for jointly designing motion compensation, quantization, and entropy coding in the hybrid coding structure of H.264 to minimize a true rate distortion cost. We then pr...

The input and output torque testing is crucial for improving the quality of Industry robot reducers. In this study, TMMISR TMMOSR a vertical-type reducer detector were designed. length measurement chain between transducer tested was shorten. overall stiffness instrument has been improved through structural optimization. characteristics two main parts torque-measurement errors also analyzed. A h...

HYPOTHESIS The nonanatomical design of reverse shoulder prostheses induce medial displacement of the center of rotation, impingements and may reduce the mobility of the shoulder. The aim of this study is to test the hypothesis that during activities of daily living functional mobility of the shoulder can be restored by scapular compensation. MATERIAL AND METHODS A numerical 3-dimensional mode...

This work advances the understanding of compensation demanded for environmental impacts on atmosphere, lakes and rivers, soil, and ocean generated by mining, urban, fishing and agriculture activities. Our aims are to determine whether compensation demanded depends on the standard variables used in the field of risk perception (as perceived risk, public acceptability and trust in regulating auth...