An AC Input Switching-Converter-Free LED Driver With Low-Frequency-Flicker Reduction.
Yuan GaoLisong LiPhilip K. T. MokPublished in: IEEE J. Solid State Circuits (2017)
Keyphrases
- low frequency
- high frequency
- frequency domain
- wavelet transform
- subband
- wavelet analysis
- discrete wavelet transform
- electromagnetic fields
- original images
- frequency band
- low pass
- wavelet coefficients
- low and high frequency
- control method
- multiscale
- high resolution
- high frequency components
- virtual environment
- computer vision
- image quality
- image analysis
- feature vectors
- contourlet transform
- machine learning