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- research-articleMarch 2007
Fast Multi-reference Motion Estimation via Enhanced Downhill Simplex Search
Journal of VLSI Signal Processing Systems (JVSP), Volume 46, Issue 2-3Pages 75–86https://doi.org/10.1007/s11265-006-0033-6AbstractBlock motion estimation can be regarded as a function minimization problem in a finite-dimensional space. Therefore, fast block motion estimation can be achieved by using an efficient function minimization algorithm instead of a predefined search ...
- articleJanuary 1997
On the Convergence of Pattern Search Algorithms
SIAM Journal on Optimization (SIOPT), Volume 7, Issue 1Pages 1–25https://doi.org/10.1137/S1052623493250780We introduce an abstract definition of pattern search methods for solving nonlinear unconstrained optimization problems. Our definition unifies an important collection of optimization methods that neither compute nor explicitly approximate derivatives. ...