Sharpening the Spectral Response of Polynomial Graph Filter by Using Amplitude Change Function.
Chien-Cheng TsengSu-Ling LeePublished in: ICCE-TW (2022)
Keyphrases
- spectral decomposition
- random walk
- image sharpening
- frequency response
- noise reduction
- structured data
- impulse response
- graph model
- weighted graph
- hyperspectral images
- graph representation
- transfer function
- graph theory
- directed graph
- connected components
- image enhancement
- gray level
- graph cuts
- graph structure
- graph matching
- spatial frequency
- spectral methods
- prolate spheroidal