EP 2700051 A1 20140226 - ANALYSIS OF THE DIGITAL IMAGE OF THE SURFACE OF A TYRE AND PROCESSING OF NON-MEASUREMENT POINTS
Title (en)
ANALYSIS OF THE DIGITAL IMAGE OF THE SURFACE OF A TYRE AND PROCESSING OF NON-MEASUREMENT POINTS
Title (de)
ANALYSE DES DIGITALBILDES EINER REIFENFLÄCHE UND VERARBEITUNG VON NICHT-MESSPUNKTEN
Title (fr)
ANALYSE DE L'IMAGE NUMERIQUE DE LA SURFACE D'UN PNEUMATIQUE - TRAITEMENT DES POINTS DE NON MESURE
Publication
Application
Priority
- FR 1153343 A 20110418
- EP 2012055015 W 20120321
Abstract (en)
[origin: WO2012143197A1] The invention relates to a method for processing the three-dimensional digital image of the surface of a tyre, in which the three-dimensional image of the surface is captured, with each pixel of the acquired image being assigned a grey scale value proportional to the elevation of the corresponding point in relation to the surface to be inspected, said pixels being disposed in rows and columns. The method includes the following steps consisting in: finding the zones (6) of the surface to be inspected that comprise pixels having a grey scale value below a given threshold; determining the boundaries of a bounding box (7) comprising one or more zones (6) of pixels having a grey scale value below a given threshold; and, inside the bounding box, assigning each of the pixels having a grey scale value below a given threshold with a grey scale value equal to the average grey scale value of a set of reference pixels (Kij, si) placed in a zone immediately next to the pixel in question.
IPC 8 full level
G06T 5/00 (2006.01)
CPC (source: EP US)
G06T 5/77 (2024.01 - EP US); G06T 7/0008 (2013.01 - US); G06T 7/90 (2016.12 - EP US); G01N 21/8914 (2013.01 - EP US); G01N 21/95 (2013.01 - EP US); G06T 2207/10028 (2013.01 - EP US); G06T 2207/30164 (2013.01 - EP US)
Citation (search report)
See references of WO 2012143197A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
FR 2974218 A1 20121019; BR 112013023977 A2 20161213; CN 103493095 A 20140101; EP 2700051 A1 20140226; JP 2014513793 A 20140605; US 2014185883 A1 20140703; US 9224198 B2 20151229; WO 2012143197 A1 20121026
DOCDB simple family (application)
FR 1153343 A 20110418; BR 112013023977 A 20120321; CN 201280019094 A 20120321; EP 12710714 A 20120321; EP 2012055015 W 20120321; JP 2014505557 A 20120321; US 201214112452 A 20120321