ArticleScientific reports2015
Design of Warped Stretch Transform.
Article in Scientific reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- A single shot coherent Ising machine based on a network of injection-locked multicore fiber lasers.Nature communications · 2019Article
- Deep Cytometry: Deep learning with Real-time Inference in Cell Sorting and Flow Cytometry.Scientific reports · 2019Article
- Nonlinear optical components for all-optical probabilistic graphical model.Nature communications · 2018Article
- Matrix Analysis of Warped Stretch Imaging.Scientific reports · 2017Article
- Deep Learning in Label-free Cell Classification.Scientific reports · 2016Article
- Context-Aware Image Compression.PloS one · 2016Article
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Time stretch dispersive Fourier transform enables real-time spectroscopy at the repetition rate of million scans per second. High-speed real-time instruments ranging from analog-to-digital converters to cameras and single-shot rare-phenomena capture equipment with record performance have been empowered by it. Its warped stretch variant, realized with nonlinear group delay dispersion, offers variable-rate spectral domain sampling, as well as the ability to engineer the time-bandwidth product of the signal's envelope to match that of the data acquisition systems. To be able to reconstruct the signal with low loss, the spectrotemporal distribution of the signal spectrum needs to be sparse. Here, for the first time, we show how to design the kernel of the transform and specifically, the nonlinear group delay profile dictated by the signal sparsity. Such a kernel leads to smart stretching with nonuniform spectral resolution, having direct utility in improvement of data acquisition rate, real-time data compression, and enhancement of ultrafast data capture accuracy. We also discuss the application of warped stretch transform in spectrotemporal analysis of continuous-time signals.
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