Acoustic-Resonance-Free High-Frequency Electronic Ballast for Metal Halide Lamps.
Chin-Sien MooChun-Kai HuangChing-Yuan YangPublished in: IEEE Trans. Ind. Electron. (2008)
Keyphrases
- high frequency
- low frequency
- visual quality
- wavelet transform
- subband
- wavelet coefficients
- high resolution
- discrete wavelet transform
- high frequencies
- low pass
- wavelet domain
- high frequency components
- human visual system
- blocking artifacts
- multi resolution analysis
- filter bank
- image processing
- energy saving
- frequency band
- power supply