نتایج جستجو برای: dual coding
تعداد نتایج: 280766 فیلتر نتایج به سال:
Many conserved noncoding sequences function as transcriptional enhancers that regulate gene expression. Here, we report that protein-coding DNA also frequently contains enhancers functioning at the transcriptional level. We tested the enhancer activity of 31 protein-coding exons, which we chose based on strong sequence conservation between zebrafish and human, and occurrence in developmental ge...
Let C be a binary self-dual code with an automorphism g of order 2p, where p is an odd prime, such that g is a xed point free involution. If C is extremal of length a multiple of 24 all the involutions are xed point free, except the Golay Code and eventually putative codes of length 120. Connecting module theoretical properties of a self-dual code C with coding theoretical ones of the subcode C...
Wavelet packet decompositions based on tree structured 2-channel filter banks with conjugate quadrature filters (CQF) have recently found many applications in the area of audio coding. Their time-frequency tiling is dual to that of timevarying modulated lapped transforms (MLT). In this paper we present a new orthonormal wavelet packet basis, which is constructed by frequency-varying MLT. These ...
The Facial Action Coding System (FACS) is an objective method for quantifying facial movement in terms of 44 component actions, i.e. Action Units (AUs). This system is widely used in behavioral investigations of emotion, cognitive process and social interaction. Highly trained human experts (FACS coders) presently perform the coding. This paper presents a system that can automatically recognize...
Light affine logic (LAL) is a formal system derived from linear logic that is claimed to correspond, through the Curry-Howard Isomorphism, to the class PTIME of polytime functions. The completeness of the system with respect to PTIME has been proven by embedding different presentations of PTIME into LAL. The dual property of polytime soundness, on the other hand, has been stated and proven in a...
Security aspects of the Index Coding with Side Information (ICSI) problem are investigated. Building on the results of Bar-Yossef et al. (2006), the properties of linear coding schemes for the ICSI problem are further explored. The notion of weak security, considered by Bhattad and Narayanan (2005) in the context of network coding, is generalized to block security. It is shown that the coding s...
A new coding scheme for general N -node relay networks is presented for unicast, multicast, and broadcast. The proposed distributed decode–forward scheme combines and generalizes Marton coding for single-hop broadcast channels and the Cover–El Gamal partial decode–forward coding scheme for 3-node relay channels. The key idea of the scheme is to precode all the codewords of the entire network at...
Two competing paradigms of interference management are introduced via a few recent developments in network information theory. In the first “distributed network” paradigm, the network consists of autonomous cells with minimal cooperation. For the corresponding mathematical model of the “interference channel,” advanced channel coding techniques are presented, focusing mainly on the sliding-windo...
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