Keyphrases
- set theory
- rough sets
- algebraic expressions
- relational algebra
- data model
- query language
- adaptive filtering
- edge enhancement
- steerable filters
- signal processing
- gabor filters
- algebraic geometry
- image filtering
- digital filters
- data sets
- connected operators
- adaptive filter
- boolean algebra
- algebraic structure
- frequency response
- impulse response
- filter design
- pattern recognition
- median filter
- signal to noise ratio