Hadamard Single-Pixel Imaging Based on Positive Patterns
Publication Name
Photonics
Abstract
Hadamard single-pixel imaging (SPI) employs the differential measurement strategy to eliminate the effect of negative value of Hadamard basis patterns but leads to doubling the number of measurements. To reduce the number of measurements, a Hadamard SPI method based on positive patterns is proposed. In this method, only the positive patterns are used to acquire measurement values and reconstruct images, so the number of measurements will be reduced by 1/2. Combined with the intensity correlation theory of ghost imaging, the average value of the acquired measures is found; this average value is subtracted from all the measurement values to obtain the spectral coefficients, thus the background noise is eliminated to ensure the imaging quality. Simulation and experimental results show that the proposed method has good noise robustness and can efficiently reconstruct high quality images.
Open Access Status
This publication may be available as open access
Volume
10
Issue
4
Article Number
395
Funding Number
2021KCXTD051
Funding Sponsor
National Natural Science Foundation of China