Automatic contrast enhancement of low-light images based on local statistics of wavelet coefficients.
Artur LozaDavid R. BullPaul R. HillAlin AchimPublished in: Digit. Signal Process. (2013)
Keyphrases
- contrast enhancement
- wavelet coefficients
- low light
- multiscale
- image enhancement
- wavelet domain
- histogram equalization
- wavelet transform
- high frequency
- gray level
- visual quality
- enhanced image
- color images
- image data
- image analysis
- visible spectrum
- multiresolution
- image denoising
- subband
- image features
- transfer function
- motion blur
- computer vision
- image registration
- synthetic and real images
- noise level
- image retrieval
- similarity measure
- low frequency
- motion estimation
- noisy images
- input image
- edge detection
- image compression