36 search results - page 4 / 8 » Sparse orthonormal transforms for image compression |
ICDE
2002
IEEE
13 years 11 months ago
2002
IEEE
We consider the use of wavelet transformations as a dimensionality reduction technique to permit efficient similarity search over high-dimensional time-series data. While numerou...
ICASSP
2011
IEEE
12 years 10 months ago
2011
IEEE
Compressive sensing accurately reconstructs a signal that is sparse in some basis from measurements, generally consisting of the signal’s inner products with Gaussian random vec...
ICIP
2006
IEEE
14 years 8 months ago
2006
IEEE
The standard separable two-dimensional (2-D) wavelet transform (WT) has recently achieved a great success in image processing because it provides a sparse representation of smooth...
ICASSP
2009
IEEE
14 years 1 months ago
2009
IEEE
This paper proposes a distributed representation algorithm for multi-view images that are jointly reconstructed at the decoder. Compressed versions of each image are first obtain...
SODA
2012
ACM
11 years 8 months ago
2012
ACM
We consider the sparse Fourier transform problem: given a complex vector x of length n, and a parameter k, estimate the k largest (in magnitude) coefficients of the Fourier transf...