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It is common to observe document skew and frame artifacts while photocopying and scanning documents. The motivation of this work is to embed skew correction and frame removal in the copy pipeline of a device to achieve `one touch' cleanup. The two challenges that this poses are the need for: (a) substantially reducing computation and memory requirements and (b) minimizing the false positives. Peripheral...
The main design criterion of efficient transcoding system is to utilize the information embedded in coded bitstream to reduce the computational complexity of the transcoding. H.264 encoder spends significant time and computations to determine the best encoding mode for a Macroblock (MB) encoding mode. We propose to use MB encoding mode and residue statistics of MPEG-2 coded bitstream to decide on...
In this paper the problem of reducing congestion in WDM networks based on unidirectional de Bruijn graphs has been addressed in the presence of node faults. We propose a polynomial time routing algorithm for reducing congestion and analyze its time complexity. Congestion is defined as the maximum of the number of lightpaths propagating through a link over all links in the network. Congestion optimization...
OVSF codes in the WCDMA system provide facility for variable data rate support. The applications with different rates must be served in fair manner. The paper propose a fair single code and multi code design so that the OVSF code tree is not over-served for single type of application. The single code design considers tree partitioning adaptive to the different user rates. The multi code design is...
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