Automatic contrast enhancement of low-light images based on local statistics of wavelet coefficients.
Artur LozaDavid R. BullAlin AchimPublished in: ICIP (2010)
Keyphrases
- contrast enhancement
- wavelet coefficients
- low light
- multiscale
- histogram equalization
- image enhancement
- wavelet transform
- multiresolution
- color images
- gray level
- transfer function
- wavelet domain
- image analysis
- subband
- input image
- enhanced image
- high frequency
- image denoising
- visible spectrum
- image retrieval
- motion blur
- visual quality
- feature vectors
- image processing
- high quality
- noisy images
- image data
- natural images
- lighting conditions
- moving objects
- object recognition
- low pass
- image sequences
- image compression
- edge detection
- feature selection