Noise analysis for lensless compressive imaging

作者：

Highlights：

• We perform signal to noise ratio (SNR) analysis for lensless compressive imaging (LCI).

• The analysis shows that the SNR of LCI is independent of the number of pixels of an image.

• Comparison is made to pinhole aperture imaging (PAI) and lens aperture imaging (LAI).

• The SNR of PAI or LAI decreases as the number of pixels increases.

• SNR of LCI is better if the number of pixels in the image is large enough.

摘要

•We perform signal to noise ratio (SNR) analysis for lensless compressive imaging (LCI).•The analysis shows that the SNR of LCI is independent of the number of pixels of an image.•Comparison is made to pinhole aperture imaging (PAI) and lens aperture imaging (LAI).•The SNR of PAI or LAI decreases as the number of pixels increases.•SNR of LCI is better if the number of pixels in the image is large enough.

论文关键词：Lensless compressive imaging,Signal to noise ratio,Pinhole aperture imaging,Lens aperture imaging

论文评审过程：Received 2 February 2015, Revised 11 June 2015, Accepted 12 June 2015, Available online 23 June 2015, Version of Record 2 July 2015.

论文官网地址：https://doi.org/10.1016/j.image.2015.06.007