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DCC
2011
IEEE
13 years 4 months ago
Color Image Compression Using a Learned Dictionary of Pairs of Orthonormal Bases
We present a new color image compression algorithm for RGB images. In our previous work [6], we presented a machine learning technique to derive a dictionary of orthonormal basis ...
Xin Hou, Karthik S. Gurumoorthy, Ajit Rajwade
JSAC
2011
215views more  JSAC 2011»
13 years 4 months ago
Opportunistic Spectrum Sharing Schemes for CDMA-Based Uplink MAC in Cognitive Radio Networks
—We consider a wireless cognitive radio network in which a set of secondary users (SUs) opportunistically utilize the wireless spectrum licensed to the primary users (PUs) to tra...
Xi Zhang, Hang Su
DATE
2010
IEEE
197views Hardware» more  DATE 2010»
13 years 4 months ago
Compilation of stream programs for multicore processors that incorporate scratchpad memories
The stream processing characteristics of many embedded system applications in multimedia and networking domains have led to the advent of stream based programming formats. Several ...
Weijia Che, Amrit Panda, Karam S. Chatha
TVCG
2011
119views more  TVCG 2011»
13 years 4 months ago
Toward High-Quality Gradient Estimation on Regular Lattices
—In this paper, we present two methods for accurate gradient estimation from scalar field data sampled on regular lattices. The first method is based on the multidimensional Tayl...
Zahid Hossain, Usman R. Alim, Torsten Möller
WWW
2011
ACM
13 years 4 months ago
OntoWiki mobile: knowledge management in your pocket
Abstract. As comparatively powerful mobile computing devices are becoming more common, mobile web applications have started gaining in popularity. In this paper we present an appro...
Timofey Ermilov, Norman Heino, Sören Auer