Effect of Edge-Preserving Adaptive Image Filter on Low-Contrast Detectability in CT Systems: Application of ROC Analysis.
Miwa OkumuraTakamasa OtaKazuhisa KainumaJames W. SayreMichael F. McNitt-GrayKazuhiro KatadaPublished in: Int. J. Biomed. Imaging (2008)
Keyphrases
- edge preserving
- low contrast
- speckle noise
- bilateral filter
- high contrast
- smoothing filter
- noise reduction
- contrast enhancement
- edge detection
- anisotropic diffusion
- image restoration
- fully automatic
- image data
- blood vessels
- roc analysis
- image analysis
- input image
- noise level
- gray level
- region of interest
- image classification
- least squares
- receiver operating characteristic
- medical images
- roc curve
- median filter
- multiscale
- denoising algorithm
- signal to noise ratio
- noise removal
- machine learning
- image enhancement
- high resolution
- support vector
- computer vision