Temporal compressive sensing for video

Patrick Llull, Xin Yuan, Xuejun Liao, Jianbo Yang, David Kittle, Lawrence Carin, Guillermo Sapiro, David J. Brady

Research output: Chapter in Book/Report/Conference proceedingChapter

11 Scopus citations

Abstract

Video camera architects must design cameras capable of high-quality, dynamic event capture, while adhering to power and communications constraints. Though modern imagers are capable of both simultaneous spatial and temporal resolutions at micrometer and microsecond scales, the power required to sample at these rates is undesirable. The field of compressive sensing (CS) has recently suggested a solution to this design challenge. By exploiting physical-layer compression strategies, one may overlay the original scene with a coding sequence to sample at sub-Nyquist rates with virtually no additional power requirement. The underlying scene may be later estimated without significant loss of fidelity. In this chapter, we cover a variety of such strategies taken to improve an imager’s temporal resolution. Highlighting a new low-power acquisition paradigm, we show how a video sequence of high temporal resolution may be reconstructed from a single video frame taken with a low-framerate camera.
Original languageEnglish (US)
Title of host publicationApplied and Numerical Harmonic Analysis
PublisherSpringer International Publishing
Pages41-74
Number of pages34
DOIs
StatePublished - Jan 1 2015
Externally publishedYes

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