ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Consider a flat-fading Multiple-Input Multiple-Output (MIMO) system. The near-optimum detection problematic has been shown to be efficiently solved through QR Decomposition (QRD...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Documents often contain inherently many concepts reflecting specific and generic aspects. To automatically generate a short summary text of documents on similar topics, it is im...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
In this paper, we propose an acceleration technique of the adaptive filtering scheme called adaptive proximal forward-backward splitting method. For accelerating the convergence ...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Filter bank optimization for specific input statistics has been of great interest in both theory and practice in many signal processing applications. In this paper we consider bi...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
To improve the performance of call-reason analysis at contact centers, we introduce a novel method to extract call-reason segments from dialogs. It is based on the following two c...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
In this paper, we address the matrix completion problem and propose a novel algorithm based on a smoothed rank function (SRF) approximation. Among available algorithms like FPCA a...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
We introduce a novel statistical test for unsupervised detection of changepoints in multidimensional sequences of temporal observations. The test statistic is based on a multivari...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
In this paper three different techniques to predict the channel transfer functions of non flat fading channels in multiple antenna systems are investigated. The prediction is don...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
—We first establish the dynamic Radar Cross Section (RCS) signal model for a conical ballistic missile warhead with precession motion. Scintillation is modeled as a log-normal m...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
We present a new, block-based image codec based on sparse representations using a learned, structured dictionary called the IterationTuned and Aligned Dictionary (ITAD). The quest...