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Superpixel segmentation refers to represent an image by small regions composed of pixels with the similar characteristics, which can carry more perceptual and semantic meaning than their simple pixel grid counterparts. Therefore, it is very important to distribute superpixels with different size over an image for describing image details. In this paper, a new superpixel generation method based on...
The Internet global routing tables have been expanding at a dramatic and increasing rate. In this paper, we propose the next hop of strict partial order to construct and aggregate the Nexthop-Selectable FIB (NSFIB). We control the path stretch caused by NSFIB aggregation by setting an upper limit number of next hops. According to our simulation, our aggregation algorithms shrink the FIB to 5–15%,...
The Internet is facing severe routing scalability problem. The Internet Service Providers cannot afford to upgrade their routers at the pace of routing table growth. Therefore, FIB aggregation has been proposed. However, current single-nexthop FIB aggregation solutions cannot provide a satisfactory performance. In this paper, we first propose the next hop of strict partial order (SPO next hop) to...
In this paper, a frame-drop transcoding algorithm based on visual attention model is proposed for reducing the temporal resolution of a compressed video in order to fit the channel target bitrate. In the proposed method, the visual attention model is employed to measure frame complexity in order to determine whether frames should be skipped or not. Through the model analysis, we can preserve the significant...
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