Wavelet-based compression in electronic portal imaging can enhance objective as well as subjective image quality.
Frank A. Van den HeuvelRasika RajapaksheKurt LuchkaPublished in: Medical Imaging: Image Processing (1997)
Keyphrases
- image quality
- quality metrics
- image quality measures
- compression ratio
- image quality metrics
- subjective quality
- perceptual quality
- image compression
- lossy compression
- visual quality
- low bit rate
- quality assessment
- reconstructed image
- compression artifacts
- high dynamic range
- image data
- human visual system
- compression scheme
- image fidelity
- high quality
- data compression
- human visual sensitivity
- peak signal to noise ratio
- bit rate
- image quality assessment
- objective measures
- compression rate
- subjective evaluation
- high compression ratio
- human observers
- lossless compression
- high resolution
- wavelet transform
- wavelet domain
- modulation transfer function
- compressed images
- structural similarity
- multiresolution
- image processing
- block truncation coding
- compression algorithm
- pixel values
- image resolution
- distorted images
- reconstructed image quality
- perceptual image quality
- super resolution
- high frequency
- multiscale
- bits per pixel
- filtered back projection