ICASSP
2007
IEEE
13 years 11 months ago
2007
IEEE
Sparse coding is a new field in signal processing with possible applications to source coding. In this paper we present a new method that combines the problems of sparse signal a...
ICASSP
2007
IEEE
13 years 11 months ago
2007
IEEE
The contextual relationships among different semantic concepts provide important information for automatic concept detection in images/videos. We propose a new context-based conce...
ICASSP
2007
IEEE
13 years 11 months ago
2007
IEEE
Quality assessment plays a very important role in almost all aspects of multimedia signal processing such as acquisition, coding, display, processing etc. Several objective qualit...
ICASSP
2007
IEEE
13 years 11 months ago
2007
IEEE
Recently, profile context-sensitive HMMs (profile-csHMMs) have been proposed which are very effective in modeling the common patterns and motifs in related symbol sequences. Pro...
ICASSP
2007
IEEE
13 years 11 months ago
2007
IEEE
One of the main dif culties in echo cancellation is the fact that the learning rate needs to vary according to conditions such as double-talk and echo path change. Several methods...
ICASSP
2007
IEEE
13 years 11 months ago
2007
IEEE
The goal of computational auditory scene analysis (CASA) is to create computer systems that can take as input a mixture of sounds and form packages of acoustic evidence such that ...
ICASSP
2007
IEEE
13 years 11 months ago
2007
IEEE
Perceptual image quality metrics have explicitly accounted for perceptual characteristics of the human visual system (HVS) by modeling sensitivity to subband noise as the just-not...
ICASSP
2007
IEEE
13 years 11 months ago
2007
IEEE
Spatial resolution of digital images are limited due to optical/sensor blurring and sensor site density. In single-chip digital cameras, the resolution is further degraded because...
ICASSP
2007
IEEE
13 years 11 months ago
2007
IEEE
Recently graph-cut optimization has been extensively explored for interactive image segmentation. In this paper we propose Discriminative Gaussian Mixtures (DGMs) to boost the per...
ICASSP
2007
IEEE
13 years 11 months ago
2007
IEEE
Protein structure prediction aims to determine the three-dimensional structure of proteins form their amino acid sequences. When a protein does not have similarity (homology) to a...