Extended Smoothing Methods for Sparse Test Data Based on Zero-Padding
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DOI: 10.3390/app13084816
Abstract: Aiming at the problem of sparse measurement points due to test conditions in engineering, a smoothing method based on zero-padding in the wavenumber domain is proposed to increase data density. Firstly, the principle of data… read more here.
Keywords: smoothing methods; extended smoothing; test; zero padding ... See more keywords
Frequency domain zero padding for accurate autofocusing based on digital holography
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the Korean Physical Society"
DOI: 10.3938/jkps.72.57
Abstract: The numerical refocusing feature of digital holography enables the reconstruction of a well-focused image from a digital hologram captured at an arbitrary out-of-focus plane without the supervision of end users. However, in general, the autofocusing… read more here.
Keywords: frequency domain; image; digital holography; zero padding ... See more keywords