Sciweavers

ICASSP
2011
IEEE
13 years 3 months ago
On efficient soft-input soft-output encoding of convolutional codes
We study efficient algorithms for soft-input soft-output (SISO) encoding of convolutional codes. While the BCJR algorithm has been suggested for SISO encoding, we show that a for...
Andreas Winkelbauer, Gerald Matz
ICASSP
2011
IEEE
13 years 3 months ago
Real-time and multi-view face tracking on mobile platform
The development of mobile platform has raised an emergent requirement for face-related multimedia applications. However, as the basis of such applications, face detection and trac...
Lei Xu, Jiangwei Li, Kongqiao Wang
ICASSP
2011
IEEE
13 years 3 months ago
Channel quantization design in multiuser MIMO systems: Asymptotic versus practical conclusions
Feedback of channel state information (CSI) is necessary to achieve high throughput and low outage probability in multiuser multiantenna systems. There are two types of CSI: direc...
Emil Björnson, Konstantinos Ntontin, Bjö...
ICASSP
2011
IEEE
13 years 3 months ago
Robust sound field reproduction integrating multi-point sound field control and wave field synthesis
For a reproduced sound field, the competing goals between the listening area and reproduction accuracy in an actual environment is one of the most important problems in sound fi...
Noriyoshi Kamado, Hiroshi Saruwatari, Kiyohiro Shi...
ICASSP
2011
IEEE
13 years 3 months ago
PAC-Bayesian approach for minimization of phoneme error rate
We describe a new approach for phoneme recognition which aims at minimizing the phoneme error rate. Building on structured prediction techniques, we formulate the phoneme recogniz...
Joseph Keshet, David A. McAllester, Tamir Hazan
ICASSP
2011
IEEE
13 years 3 months ago
Fast physical object identification based on unclonable features and soft fingerprinting
In this paper we advocate a new technique for the fast identi cation of physical objects based on their physical unclonable features (surface microstructures). The proposed identi...
Taras Holotyak, Sviatoslav Voloshynovskiy, Oleksiy...
ICASSP
2011
IEEE
13 years 3 months ago
Image editing based on Sparse Matrix-Vector multiplication
This paper presents a unified model for image editing in terms of Sparse Matrix-Vector (SpMV) multiplication. In our framework, we cast image editing as a linear energy minimizat...
Ying Wang, Hongping Yan, Chunhong Pan, Shiming Xia...
ICASSP
2011
IEEE
13 years 3 months ago
A segment-level confidence measure for Spoken Document Retrieval
This paper presents a semantic confidence measure that aims to predict the relevance of automatic transcripts for a task of Spoken Document Retrieval (SDR). The proposed predicti...
Grégory Senay, Georges Linares, Benjamin Le...
ICASSP
2011
IEEE
13 years 3 months ago
An automated singing evaluation method for Karaoke systems
Although many Karaoke systems come with a scoring feature that provides singers with a simple performance rating, the automated scoring, however, is either random or incomparable ...
Wei-Ho Tsai, Hsin-Chieh Lee
ICASSP
2011
IEEE
13 years 3 months ago
Subspace pursuit method for kernel-log-linear models
This paper presents a novel method for reducing the dimensionality of kernel spaces. Recently, to maintain the convexity of training, loglinear models without mixtures have been u...
Yotaro Kubo, Simon Wiesler, Ralf Schlüter, He...