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ICASSP
2011
IEEE
14 years 7 months ago
Denoising sparse noise via online dictionary learning
The idea of learning overcomplete dictionaries based on the paradigm of compressive sensing has found numerous applications, among which image denoising is considered one of the m...
Anoop Cherian, Suvrit Sra, Nikolaos Papanikolopoul...
ICASSP
2011
IEEE
14 years 7 months ago
The role of GTD in optimizing biorthogonal filter banks
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...
Ching-Chih Weng, P. P. Vaidyanathan
ICASSP
2011
IEEE
14 years 7 months ago
SSIM-inspired image denoising using sparse representations
Perceptual image quality assessment (IQA) and sparse signal representation have recently emerged as high-impact research topics in the field of image processing. Here we make one...
Abdul Rehman, Zhou Wang, Dominique Brunet, Edward ...
ICASSP
2011
IEEE
14 years 7 months ago
Prediction of discrete cosine transformed coefficients in resized pixel blocks
Abstract— A hybrid model was developed to predict the zeroquantized discrete cosine transform (ZQDCT) coefficients for intra blocks in our previous work. However, the complicated...
Jin Li, Weiwei Chen, Moncef Gabbouj, Jarmo Takala,...
CHI
2011
ACM
14 years 7 months ago
Deep shot: a framework for migrating tasks across devices using mobile phone cameras
A user task often spans multiple heterogeneous devices, e.g., working on a PC in the office and continuing the work on a laptop or a mobile phone while commuting on a shuttle. How...
Tsung-Hsiang Chang, Yang Li