Spatially guided local Laplacian filter for nature image detail enhancement.
Shijie HaoMeng WangRichang HongJianguo JiangPublished in: Multim. Tools Appl. (2016)
Keyphrases
- laplacian pyramid
- input image
- zero crossing
- edge detection
- image data
- multiscale
- image enhancement
- image analysis
- image features
- enhanced image
- image representation
- unsharp masking
- noise reduction
- image content
- single image
- segmentation method
- contrast enhancement
- image retrieval
- feature points
- image filtering
- image processing
- image regions
- fine details
- image classification
- high resolution
- recursive filters
- image contrast
- wiener filter
- homomorphic filtering
- bilateral filter
- histogram equalization
- image segmentation
- image noise
- test images
- gray level
- natural images
- edge map
- transfer function
- median filter
- nonlinear filters
- signal to noise ratio
- vector field
- segmentation algorithm
- directional filtering
- multiresolution
- face recognition