Versatile Time-Frequency Representations Realized by Convex Penalty on Magnitude Spectrogram.
Keidai AraiKoki YamadaKohei YatabePublished in: IEEE Signal Process. Lett. (2023)
Keyphrases
- convex optimization
- pattern analysis
- convex hull
- objective function
- convex relaxation
- convex programming
- wigner distribution
- short time fourier transform
- piecewise linear
- globally optimal
- convex sets
- semi infinite programming
- information retrieval
- convex optimization problems
- risk minimization
- penalty function
- signal processing
- multiscale
- image segmentation
- image processing