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1. WO2016068560 - TRANSLUCENT MARK, METHOD FOR SYNTHESIS AND DETECTION OF TRANSLUCENT MARK, TRANSPARENT MARK, AND METHOD FOR SYNTHESIS AND DETECTION OF TRANSPARENT MARK

Publication Number WO/2016/068560
Publication Date 06.05.2016
International Application No. PCT/KR2015/011341
International Filing Date 26.10.2015
IPC
G06K 19/06 2006.1
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
19Record carriers for use with machines and with at least a part designed to carry digital markings
06characterised by the kind of the digital marking, e.g. shape, nature, code
G06K 7/10 2006.1
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
7Methods or arrangements for sensing record carriers
10by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
G06K 17/00 2006.1
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
17Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/-G06K15/168
G06T 19/00 2011.1
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
19Manipulating 3D models or images for computer graphics
CPC
G06K 17/00
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
17Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
G06K 19/06037
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
19Record carriers for use with machines and with at least a part designed to carry digital markings
06characterised by the kind of the digital marking, e.g. shape, nature, code
06009with optically detectable marking
06037multi-dimensional coding
G06K 19/06103
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
19Record carriers for use with machines and with at least a part designed to carry digital markings
06characterised by the kind of the digital marking, e.g. shape, nature, code
06009with optically detectable marking
06046Constructional details
06103the marking being embedded in a human recognizable image, e.g. a company logo with an embedded two-dimensional code
G06K 2019/06225
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
19Record carriers for use with machines and with at least a part designed to carry digital markings
06characterised by the kind of the digital marking, e.g. shape, nature, code
06215Aspects not covered by other subgroups
06225using wavelength selection, e.g. colour code
G06K 7/12
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
7Methods or arrangements for sensing record carriers, ; e.g. for reading patterns;
10by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
12using a selected wavelength, e.g. to sense red marks and ignore blue marks
G06K 7/1417
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
7Methods or arrangements for sensing record carriers, ; e.g. for reading patterns;
10by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
14using light without selection of wavelength, e.g. sensing reflected white light
1404Methods for optical code recognition
1408the method being specifically adapted for the type of code
14172D bar codes
Applicants
  • 이문기 LEE, Moon Key [KR]/[KR]
Inventors
  • 이문기 LEE, Moon Key
Priority Data
10-2014-014651227.10.2014KR
10-2014-015575610.11.2014KR
10-2014-018921625.12.2014KR
Publication Language Korean (ko)
Filing Language Korean (KO)
Designated States
Title
(EN) TRANSLUCENT MARK, METHOD FOR SYNTHESIS AND DETECTION OF TRANSLUCENT MARK, TRANSPARENT MARK, AND METHOD FOR SYNTHESIS AND DETECTION OF TRANSPARENT MARK
(FR) MARQUE TRANSLUCIDE, PROCÉDÉ DE SYNTHÈSE ET DE DÉTECTION DE MARQUE TRANSLUCIDE, MARQUE TRANSPARENTE, ET PROCÉDÉ DE SYNTHÈSE ET DE DÉTECTION DE MARQUE TRANSPARENTE
(KO) 반투명 마크, 반투명 마크 합성 및 검출 방법, 투명 마크 그리고 투명 마크 합성 및 검출 방법
Abstract
(EN) The present invention relates to a method for generating a translucent or transparent QR code in which a QR code image and a normal color background image are synthesized, and a QR code detection method for separating a QR code and a normal color image from an image of a translucent or transparent QR code. The present invention is characterized by adjusting the brightness or contrast of a normal color background image in a translucent or transparent mark, and then synthesizing a QR code thereon, wherein the brightness and contrast of the QR code image are adjusted to be greater than the brightness and contrast of the background image. Further, the translucent or transparent QR code detection method is characterized by detecting a QR code by binarizing the image of the translucent or transparent QR code.
(FR) La présente invention concerne un procédé pour générer un code QR translucide ou transparent dans lequel une image de code QR et une image d'arrière-plan en couleur normale sont synthétisées, et un procédé de détection de code QR permettant de séparer un code QR et une image en couleur normale, à partir d'une image d'un code QR translucide ou transparent. La présente invention consiste à régler la luminosité ou le contraste d'une image d'arrière-plan en couleur normale, dans une marque transparente ou translucide, et à lui synthétiser ensuite un code QR, la luminosité et le contraste de l'image de code QR étant réglés de manière à être supérieure à la luminosité et au contraste de l'image d'arrière-plan. En outre, le procédé de détection du code QR transparent ou translucide est caractérisé par la détection d'un code QR par binarisation de l'image du code QR transparent ou translucide.
(KO) 본 발명은 QR코드 영상과 보통의 칼라 배경 영상을 합성한 반투명 또는 투명 QR코드를 생성하는 방법과 반투명 또는 투명 QR코드를 촬영한 영상에서 QR코드와 보통의 칼라 영상을 분리하는 QR코드 검출 방법에 관한 것이다. 반투명 또는 투명 마크에서 보통의 칼라 배경 영상의 밝기 또는 변화폭(contrast)을 조절한 후, 그 위에 QR코드를 합성하되, QR코드 영상의 밝기 변화폭은 상기 배경 영상의 밝기 변화폭 보다 크게 조절하는 것을 특징으로 한다. 그리고 이러한 반투명 또는 투명 QR코드를 검출하는 방법은 상기 반투명 또는 투명 QR코드를 촬영한 영상을 이치화(binarizing)하여 QR코드를 검출하는 것을 특징으로 한다.
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