A Tight Lower Bound for High Frequency Moment Estimation with Small Error.
Yi LiDavid P. WoodruffPublished in: APPROX-RANDOM (2013)
Keyphrases
- high frequency
- lower bound
- upper bound
- low frequency
- high resolution
- wavelet transform
- visual quality
- worst case
- discrete wavelet transform
- estimation error
- subband
- optimal solution
- low pass
- wavelet domain
- wavelet coefficients
- high frequency components
- objective function
- multi resolution analysis
- phase shifting
- high frequencies
- image compression
- multiresolution
- blocking artifacts
- subband decomposition