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`1. WO2000011610 - IMAGE PROCESSING APPARATUS AND
`
`METHOD
`
`Drawings National Phase=Patent Family Documents
`
`
`
`PCTBiblio. Data
`
` Description Claims
`
`
`Publication Number
`WO/2000/011610
`
`Publication Date
`02.03.2000
`
`International Application No.
`PCT/EP1998/005383
`
`InternationalFiling Date
`25.08.1998
`
`Chapter 2 DemandFiled
`16.03.2000
`
`IPC
`GO6T7/20 2006.1
`
`cpc
`GO6T 7/254
`
`GO8B 21/06
`
`Applicants
`HOLDINGBEVS.A.[LU]/[LU]
`69, route de d'Esch L-2953 Luxemburg, LU
`(AL, AM, AT, AU, AZ, BA, BB, BE, BF, BG, BJ, BR, BY,
`CA, CF, CG, CH,Cl, CM, CN, CU, CY, CZ, DE, DK, EE,
`ES,Fl, FR, GA, GB, GE, GH, GM, GN, GR, GW, HR, HU,
`ID,IE, IL, IS, IT, UP, KE, KG, KP, KR, KZ, LC, LK, LR,
`LS, LT, LU, LV, MC, MD, MG, MK, ML, MN, MR, MW,
`MX, NE, NL, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI,
`SK, SL, SN,SZ, TD, TG, TJ, TM, TR, TT, UA, UG, UZ,
`VN, YU, ZW]
`PIRIM, Patrick [FR]/[FR] (UsOnly]
`
`Inventors
`PIRIM, Patrick
`
`Agents
`PHELIP, Bruno
`Cabinet Harlé & Phélip 7, rue de Madrid
`F-73008 Paris, FR
`
`Priority Data
`
`Publication Language
`English (en)
`
`Filing Language
`English (EN)
`
`Designated States
`
`PermaLink
`
`Machine translation
`
`Title
`
`(EN) IMAGE PROCESSING APPARATUS AND METHOD
`(FR) APPAREIL ET PROCEDE POUR LE TRAITEMENT D'IMAGES
`
`
`
`
`
`
`Abstract
`(EN) A method and apparatusforlocalizing an area in relative movement and for determining the
`speed and direction thereofin real time is disclosed. Each pixel of an image is smoothedusing its
`owntime constant. A binary value corresponding to the existenceof a significant variation in the
`amplitude of the smoothed pixel from the prior frame, and the amplitude of the variation, are
`determined, and the time constantfor the pixel is updated. For each particular pixel, two matrices
`are formed that include a subsetof the pixels spatially related to the particular pixel. The first
`matrix contains the binary values of the subset of pixels. The second matrix contains the
`amplitude of the variation of the subsetof pixels. In the first matrix, it is determined whether the
`pixels along an oriented direction relative to the particular pixel have binary values representative
`of significant variation, and, for such pixels,
`it is determined in the second matrix whether the
`amplitude of these pixels varies in a known mannerindicating movementin the oriented direction.
`In each of several domains, histogram of the valuesin the first and second matricesfalling in such
`domain is formed. Using the histograms,it is determined whether there is an area having the
`characteristics of the particular domain. The domainsinclude luminance, hue, saturation, speed
`(V], oriented direction (D1), time constant [CO], first axis [x{m]], and second axis [y[m]].
`(FR) L'invention concerne un procédé et un appareil pour
`la localisation d'une zone en
`déplacementrelatif et pour la détermination de la vitesse et de la direction de celui-ci en temps
`réel. Chaque pixel d'une image est lissé au moyen de sa propre constante de temps. Unevaleur
`binaire correspondanta l'existence d'une variation significative dans l'amplitude du pixellissé a
`partir de la trame antérieure, et l'amplitude de la variation sont déterminées, et la constante de
`temps pour le pixel est mise a jour. Pour chaquepixel individuel, on forme deux matrices qui
`comprennent un sous-ensemble de pixels relié dans l'espace au pixel individuel. La premiére
`matrice contient les valeurs binaires du sous-ensemble de pixels. La seconde matrice contient
`Uamplitude de la variation du sous-ensemble de pixels. Dans la premiére matrice, on détermine si
`les pixels le long d'une direction orientée par rapport au pixel individuel ont des valeurs binaires
`représentatives d'une variation significative et, pour de tels pixels, on détermine, dans la seconde
`matrice, si l'‘amplitude de ces pixels varie de fac¢on connue,indiquant un déplacement dansla
`direction orientée. Dans chacun desdifférents domaines, on forme un histogrammedes valeurs
`dans la premiére et
`la seconde matrices correspondant a un tel domaine. Au moyen des
`
`Ex. 3003
`Ex. 3003
`
`

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