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008	240328e198903uubccad   obt  f000 0 eng d
040	|aCaOODSP|beng|erda|cCaOODSP
043	|an-cn---
086	1 |aDR52-11/5-1989E-PDF
100	1 |aWilmut, M. J. |q(Michael John), |d1943- |eauthor.
245	10|aAnalysis of a two-pass modified Hough Transform technique for the detection of wake like signals / |cby M.J. Wilmut and R.F. MacKinnon.
264	1|aVictoria, B.C. : |bDefence Research Establishment Pacific = Centre de recherches pour la défense pacifique : |bResearch and Development Branch, Department of National Defence, |cMarch 1989
300	|a1 online resource (ii, 12, [4] pages) : |billustrations, charts
336	|atext|btxt|2rdacontent
337	|acomputer|bc|2rdamedia
338	|aonline resource|bcr|2rdacarrier
490	1 |aTechnical memorandum ; |v89-03
500	|aDigitized edition from print [produced by Defence Research and Development Canada].
504	|aIncludes bibliographical references (page 12).
520	3 |a"Various authors have employed versions of the Hough Transform for the detection of lines in images containing multiplicative speckle noise. In this paper a procedure is developed using the Modified Hough Transform (MHT) for the detection of signals of low signal-to-noise ratio. The signal can be considered as being composed of a sum of narrow lines. The expected number of signal and false lines to be found in an image can be determined as a function of the false alarm probability per decision. The MHT performance is compared to that of the matched filter. The method is applied to noisy images containing a wake-like signal. The MHT is able to detect the signal pattern at signal-to-noise ratios for which the signal is just visible on a good image display system. A two pass system, employing prior knowledge about the signal, gives improved detection performance."--abstract (page i).
650	0|aWakes (Fluid dynamics)|xDetection|xMathematical models.
650	0|aImage intensifiers.
650	6|aSillage (Dynamique des fluides)|xDétection|xModèles mathématiques.
650	6|aAmplificateurs de luminance.
655	7|aTechnical reports|2lcgft
655	7|aRapports techniques|2rvmgf
710	2 |aDefence Research Establishment Pacific, |eissuing body.
710	1 |aCanada. |bDepartment of National Defence. |bResearch and Development Branch, |eissuing body.
830	#0|aTechnical memorandum (Defence Research Establishment Pacific)|v89-03.|w(CaOODSP)9.936067
856	40|qPDF|s1.07 MB|uhttps://publications.gc.ca/collections/collection_2024/rddc-drdc/DR52-11-5-1989-eng.pdf
986	|aDREP-TM-89-03