Reverberation reduction in ultrasonic B-mode images via dual frequency image subtraction.
Terry KlingK. Kirk ShungGary A. ThiemePublished in: IEEE Trans. Medical Imaging (1993)
Keyphrases
- input image
- image data
- test images
- image features
- image collections
- image retrieval
- image analysis
- image regions
- original images
- high contrast
- image pixels
- image classification
- image set
- image noise
- image processing algorithms
- ultrasonic images
- intensity values
- segmentation method
- pixel values
- region of interest
- reference images
- image matching
- image structure
- edge detection
- normalized correlation
- web images
- grey level
- multiscale
- synthesized images
- lighting conditions
- imaging process
- image content
- sample images
- feature points
- digital imaging
- illumination conditions
- image database
- low frequency
- spectrum analysis
- gray value
- segmented images
- spatial information
- single image
- contrast enhancement
- segmentation algorithm
- image representation
- band limited
- bandpass
- ccd camera
- keypoints
- high resolution images
- high resolution
- face images
- high pass
- image processing
- object recognition
- geometric distortions
- image quality
- image annotation
- image registration
- synthetic aperture
- false matches
- gray level
- vanishing points
- gaussian noise
- image segmentation