James R. Wilcox's ACM Transactions on Multimedia Computing, Communications and PDF

By James R. Wilcox

ISBN-10: 1578200547

ISBN-13: 9781578200542

This specific factor includes a number of the awesome paintings initially offered on the ACM Multimedia convention 2003 (ACM MM 2003). The convention obtained 255 submissions, of which forty three fine quality papers have been approved for presentation. of those papers, the Technical software Chairs invited a dozen authors to post greater models in their papers to this targeted factor. those papers went via a rigorous overview strategy, and we're satisfied to offer 4 really awesome papers during this specialissue. as a result of hugely aggressive review procedure and constrained area, many fantastic papers couldn't be approved for this exact factor. even if, a few of them are being forwarded for attention as destiny usual papers during this magazine.

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1994] selected the most relevant classifier(s) from a pool of classifiers for each query instance. The DAG-SVM scheme proposed by Platt et al. [2000] constructs M (M − 1)/2 one-versus-one binary classifiers, and then uses the Decision Directed Acyclic Graph (DDAG) to classify a query instance. Different instances may follow different decision paths in the acyclic graph to reach their most likely class. Another approach for improving multi-category classification is to perform a multistage classification [Poddar and Rao 1993; Rodriguez et al.

The buffer is managed through two main parameters: a high-water mark and low-water mark. , the buffer is getting full), the algorithm starts discarding data from the lowest priority layer to the highest priority layer until the amount of buffered data is less than the low-water mark. Within a priority level, data is dropped in order from the oldest data to the newest. This allows the video data to be smoothed as much as possible. It is important to note that the priority mapping can be dynamic over time.

Figure 3 shows one such dynamic mapping. Data is sent across the network in priority order (highest priority, oldest frame first). This allows the sensor to transfer its highest priority information first. We believe that this is particularly important for low-power scenarios where the sensor will disconnect from the network to save power and scenarios where the network is intermittent. As shown in the example, the areas labeled (a) and (c) have been given higher priority than the frames in (b) and (d).

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ACM Transactions on Multimedia Computing, Communications and Applications (May) by James R. Wilcox


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