2004/07/31 by Badri Krishnan, B. Krishnan, Alicia M. Sintes +7
Computer Science · Engineering · Physics and Astronomy · #Astronomical Observations and Instrumentation #Image and Object Detection Techniques #Pulsars and Gravitational Waves Research #gr-qc
paper · pdf · doi:10.1103/physrevd.70.082001
published as Phys.Rev. D70 (2004) 082001 · 22 pages, RevTeX4, typos and references corrected. Final PRD version
openalex publication_date 2004/10/06 · arxiv created 2004/10/20 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/04
This paper describes an incoherent method to search for continuous gravitational waves based on the Hough transform, a well-known technique used for detecting patterns in digital images. We apply the Hough transform to detect patterns in the time-frequency plane of the data produced by an earth-based gravitational wave detector. Two different flavors of searches will be considered, depending on the type of input to the Hough transform: either Fourier transforms of the detector data or the output of a coherent matched-filtering type search. We present the technical details for implementing the Hough transform algorithm for both kinds of searches, their statistical properties, and their sensitivities.