In this paper we present a correlation-based imaging technique in single pixel imaging scheme using Hadamard basis illumination. The Hadamard basis, which has the characteristics of a two bit value (−1, +1) and sparsity in its transformed domain, has been used in the illumination patterns and successfully utilized for imaging the incoherent target. It gives image reconstruction even in low light condition. Such deterministic pattern also helps to solve the problem of large number of measurements in single pixel imaging, and hence simplify the experimental implementation. Further to compare the quality of imaging with Hadamard basis patterns, we also compare imaging with Fourier basis patterns and simulation results of both methods, namely Hadamard and Fourier basis, are presented.
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