A Two-Stage Time-Domain Autofocus Method Based on Generalized Sharpness Metrics and AFBP
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2021.3068789
Abstract: High computational complexity and phase errors (PEs) are the main limitations of time-domain (TD) synthetic aperture radar (SAR) imaging algorithms. Accelerated fast backprojection (BP) (AFBP) algorithm avoids interpolation through wavenumber spectrum connection and is an… read more here.
Keywords: generalized sharpness; time domain; based generalized; method ... See more keywords
An Improved Time-Domain Autofocus Method Based on 3-D Motion Errors Estimation
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2021.3137422
Abstract: Spatial-variant phase errors (PEs) are important factors which defocus the synthetic aperture radar (SAR) image. In time-domain SAR imaging, the exact calculation of instantaneous range is carried out to realize imaging. Accurate trajectory is the… read more here.
Keywords: time domain; autofocus method; method; improved time ... See more keywords
Bionic vision autofocus method based on a liquid lens.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.465513
Abstract: Digital imaging systems (DISs) have been widely used in industrial process control, field monitoring, and other domains, and the autofocusing capability of DISs is a key factor affecting the imaging quality and intelligence of the… read more here.
Keywords: method; liquid lens; based liquid; bionic vision ... See more keywords
Erratum: Deep learning-based autofocus method enhances image quality in light-sheet fluorescence microscopy: publisher's note.
Sign Up to like & getrecommendations! Published in 2022 at "Biomedical optics express"
DOI: 10.1364/boe.450829
Abstract: [This corrects the article on p. 5214 in vol. 12, PMID: 34513252.]. read more here.
Keywords: based autofocus; deep learning; erratum deep; autofocus method ... See more keywords
Autofocus method for automated microscopy using embedded GPUs.
Sign Up to like & getrecommendations! Published in 2017 at "Biomedical optics express"
DOI: 10.1364/boe.8.001731
Abstract: In this paper we present a method for autofocusing images of sputum smears taken from a microscope which combines the finding of the optimal focus distance with an algorithm for extending the depth of field… read more here.
Keywords: automated microscopy; microscopy; microscopy using; method ... See more keywords