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Optimally Sparse Representation in General (non-Orthogonal) Dictionaries via
Sparse Representation Overcomplete Representation
2015/8/21
Given a ‘dictionary’ D = {dk} of vectors dk, we seek to represent a signal S as a
linear combination S =
k γ(k)dk, with scalar coefficients γ(k). In particular, we aim for
the sparsest repre...
AN ALGORITHMIC APPROACH TO CONSTRUCTING ORTHOGONAL AND NEAR-ORTHOGONAL ARRAYS
CONSTRUCTING ORTHOGONAL NEAR-ORTHOGONAL ARRAYS
2015/3/18
Due to run size constraints, near-orthogonal arrays (near-OAs) and sup ersaturated designs, a sp ecial case of near-OA, are considered go o d alternatives to OAs.
This pap er shows (i) a combinatoria...