A Novel Time-Frequency Technique for Mode Retrieval Based on Linear Chirp Approximation.
Nils LaurentSylvain MeignenPublished in: IEEE Signal Process. Lett. (2020)
Keyphrases
- fourier transform
- frequency domain
- closed form
- instantaneous frequency
- error tolerance
- image retrieval
- information retrieval
- relevance feedback
- retrieval systems
- efficient retrieval
- linear approximation
- linear systems
- sequential monte carlo methods
- taylor series
- space variant
- content based retrieval
- retrieval model
- test collection
- information retrieval systems
- image database
- approximation algorithms
- multimedia databases
- error bounds
- feature detection
- document retrieval
- piecewise constant
- visual features
- query expansion
- conjugate gradient algorithm
- wavelet transform