Research Article
A Perturbed Compressed Sensing Protocol for Crowd Sensing
Algorithm 2
Initialization algorithm.
Input: length , key generation algorithm keyGen, original | signal : | begin | () round number ; | () for to do | ; | distribute to node ; | () construct Gabor dictionary parameter group | ; | () residual ; | () while do | ; | ; | while no do | search with and compute optimal | subgroup: ; | if has been chosen then | acquire corresponding atomic dictionary; | else | generate new atomic dictionary; | search to find the optimal parameter ; | remove the chosen atoms in subgroup; | store the corresponding parameters; | orthogonal projection | ; | ; | ; | ; | orthogonal projection | ; | ; | () sparse representation | ; | () Output sparse matrix and sparsity ; | end |
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