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English
Etymology
- wedge + -let.
- (image processing): Introduced in David L. Donoho's 1999 paper "Wedgelets: nearly minimax estimation of edges".
Noun
wedgelet (plural wedgelets)
- A small wedge.
- (image processing) A kind of geometrical wavelet used in image processing.
- (astronomy) One of a set of wedge-like structures (barometric ridges) that compose a substorm current wedge.
2018, Andreas Keiling, Octav Marghitu, Michael Wheatland ·, Electric Currents in Geospace and Beyond, page 332:If so, each wedgelet in the magnetotail should contain an asymmetric pair of FACs, as illustrated in Figure 19.9b (adapted from Liu et al. ).