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—For many vehicular safety applications, it is critical to timely and reliably deliver multimedia data from a traveling vehicle to a roadside access point (AP) in an error-prone vehicular ad hoc network (VANET), which is a typical uplink scenario for drive-thru Internet. To achieve this goal, we propose a cooperative retransmission scheme that exploits a(More)
In this paper, a novel approach to texture retrieval using independent component analysis (ICA) in wavelet domain is proposed. It is well recognized that the wavelet coefficients in different subbands are statistically correlated, resulting in the fact that the product of the marginal distributions of wavelet coefficients is not accurate enough to(More)
We study in this paper the problem of combining low-level visual features for image region annotation. The problem is tackled with a novel method that combines texture and color features via a mixture model of their joint distribution. The structure of the presented model can be considered as an extension of the probabilistic latent semantic analysis (pLSA)(More)
This article has been accepted for publication in a future issue of this journal, but has not been fully edited. Content may change prior to final publication. Abstract—With the booming cloud computing industry, computational resources are readily and elastically available to the customers. In order to attract customers with various demands, most(More)