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High-speed link design in a 3D package system poses unique challenges due to the fact that it provides limited visibility to signal quality and that supply noise induced jitter is large due to a poor power distribution network in a small form factor. This paper outlines a statistical link simulation flow to accurately capture the impact of timing jitter due to power supply noise in 3D systems. The...
Stereo video object segmentation is a critical technology of the new generation of video coding, video retrieval, Internet and other emerging interactive multimedia field. This paper puts forward a redundant wavelet transform based stereo video object segmentation algorithm. First, the algorithm obtains the disparity map by redundant wavelet transform and then uses the disparity map to do video object...
Real-time rendering of large scale vector maps over terrain surfaces requires displaying substantial numbers of polylines and polygons. The proposed approach simplifies such maps, permitting more efficient rendering and reducing latency in the display and manipulation of a virtual environment.
Characterization of I/O channels in 3D package systems is quite challenging as it is difficult to observe signal quality. A traditional way of measuring each device in a component level does not capture complex interaction in 3D integration. Although a sense line can be designed to externally measure noise on power lines, it is not feasible for signal lines as it significantly alters the signal quality...
This paper presents a novel multi-stroke combination algorithm. It tries to set up a bridge between 2-D sketching and 3-D modeling that is the most important stage in automotive styling. The algorithm gives a way to connect raster-based multi-stroke with a vector-based curve which is the optimal expression of the multi-stroke. Two parts are discussed here: the sequential section combination algorithm...
Maximum intensity projection (MIP) is one of the most common methods for the visualization of volumetric data. MIP works by traversing all viewing rays and finding the maximum data value along each of them. The main limitation of MIP is that it cannot adequately depict the spatial relationships of overlapping tissues. An approach has been proposed to eliminate this drawback: local maximum intensity...
HPAI A (H5N1) is an avian disease. It is commonly known as "avian influenza" or "bird flu" because of highly pathogenic avian influenza virus of type A of subtype H5N1. It has made great progress in the research on the Avian Influenza A. This paper makes use of the Z curve method to visualize and analyze DNA sequences of H5N1. Z curve is a three- dimensional space curve constituting...
In the process of reconstruction of 3D textured models of revolution from images, the precise 3D shape of the revolution must be obtained in advance. This paper addresses the problem of recovering the 3D shape of revolution by symmetry property of revolution. A specially-designed rotary platform is used to obtain images of revolution and calculate image parameters at first, and then the topmost circle...
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