Compressive imaging is a new imaging method based on the compressive sensing theory,which has the advantage of sparse/compressible image reconstruction with far fewer measurements than traditional Nyquist samples.By analyzing the existing Bernoulli and Toeplitz matrix,we propose a novel sparse trinary Toeplitz matrix with random pitch for phase mask.Simulation results show that novel phase mask matrices,comparing with Bernoulli and Bernoulli-Toeplitz phase mask matrices,almost have the same signal-to-noise ...