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The Ray-Casting algorithm is an important method for fast real-time surface display from 3D medical images. Based on Ray-Casting algorithm, a novel parallel Ray-Casting algorithm is proposed in this paper. A novel operation is introduced and defined as a star operation, and star operations can be computed in parallel in the proposed algorithm compared with the serial chain of star operations in the...
The accuracy of registration is one of the key issues in surgical navigation, which directly affects the result of operation. In this paper, we proposed a new registration algorithm, Tetrahedral Framework (TF), to improve precision and computing speed and conducted a calibration experiment by using the wax model with markers. The image data are obtained by Micro-CT scanning and loaded in VTK to gain...
Improving frequency interference is the primary purpose of network planning and optimization in TD_SCDMA. In this paper, a new algorithm to improve frequency interference, named Ant Colony Algorithm (ACA), was put forward to; in addition existent methods were enriched. We described ACA principle, and then a new specific scenario was investigated and introduced into the frequency planning. Afterwards,...
H.264 employs variable size motion compensation with multiple reference frames, which significantly improve the coding performance compared with the previous video coding standards. However, this comes with a cost of extremely high computational complexity. Thus, one of the most challenging problems in implementing real time H.264 encoder is mode decision. In this paper, a fast inter mode decision...
Nowadays, synthetic aperture radar (SAR), with the features of all-weather and day and night imaging, are more and more widely used in military reconnaissance, and therefore, its electronic counter measures (ECM) attracts more and more attention. Due to the particularity of SAR, it is difficult for the traditional jamming techniques to work in interfering SAR. In this paper, the features of SAR ECM...
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