Half-pixel sliding window processing for fourfold resolution improvement on single-shot quantitative phase imaging with polarization cameras
X Steve Yao,
Shengwei Cui,
Gaofei Lyu
et al.
Abstract:Phase to polarization encoding (P2P) has emerged as a potent tool for quantitative phase imaging (QPI), offering on-axis single-shot QPI with high precision by using a polarization camera, in which four CMOS pixels with different polarizer orientations are combined to form a super-pixel for local polarization analysis, but unfortunately at the expense of a 4× resolution degradation of the underlining polarization imaging. In this paper, we propose and demonstrate a novel methodology called half-pixel sliding w… Show more
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