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1. (WO2017022452) CALIBRATION DEVICE, CALIBRATION METHOD, AND CALIBRATION PROGRAM
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Pub. No.: WO/2017/022452 International Application No.: PCT/JP2016/070939
Publication Date: 09.02.2017 International Filing Date: 15.07.2016
IPC:
H04N 7/18 (2006.01) ,B60R 1/00 (2006.01) ,G06T 7/60 (2017.01) ,H04N 17/00 (2006.01) ,H04N 5/225 (2006.01) ,H04N 5/232 (2006.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
N
PICTORIAL COMMUNICATION, e.g. TELEVISION
7
Television systems
18
Closed-circuit television systems, i.e. systems in which the signal is not broadcast
B PERFORMING OPERATIONS; TRANSPORTING
60
VEHICLES IN GENERAL
R
VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
1
Optical viewing arrangements
G PHYSICS
06
COMPUTING; CALCULATING; COUNTING
T
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
7
Image analysis, e.g. from bit-mapped to non bit-mapped
60
Analysis of geometric attributes, e.g. area, centre of gravity, perimeter, from an image
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
N
PICTORIAL COMMUNICATION, e.g. TELEVISION
17
Diagnosis, testing or measuring for television systems or their details
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
N
PICTORIAL COMMUNICATION, e.g. TELEVISION
5
Details of television systems
222
Studio circuitry; Studio devices; Studio equipment
225
Television cameras
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
N
PICTORIAL COMMUNICATION, e.g. TELEVISION
5
Details of television systems
222
Studio circuitry; Studio devices; Studio equipment
225
Television cameras
232
Devices for controlling television cameras, e.g. remote control
Applicants: DENSO CORPORATION[JP/JP]; 1-1, Showa-cho, Kariya-city, Aichi 4488661, JP
Inventors: TANAKA, Hitoshi; JP
Agent: TOHDA, Kiyoshi; JP
Priority Data:
2015-15503705.08.2015JP
Title (EN) CALIBRATION DEVICE, CALIBRATION METHOD, AND CALIBRATION PROGRAM
(FR) DISPOSITIF D’ÉTALONNAGE, PROCÉDÉ D’ÉTALONNAGE ET PROGRAMME D’ÉTALONNAGE
(JA) キャリブレーション装置、キャリブレーション方法、及び、キャリブレーションプログラム
Abstract:
(EN) Provided is a calibration device that acquires an image in which a capture target positioned in front of a vehicle is captured, or that acquires an image in which a capture target positioned behind the vehicle is captured, such image being different from the image acquired when the area in front of the vehicle is captured (S280, S290). At such time, the shape and size of the capture target is known. The calibration device carries out projection conversion of the capture targets captured in an overlapping region of the acquired images, and the calibration device specifies the roll, pitch, and height of the image-capture camera so that the conversion results conform to the shape and size of the capture target (S380). The calibration device also specifies the x coordinate, y coordinate, and yaw of the image-capture camera so that the size of one link angle in a virtual link structure becomes the minimum size (S390).
(FR) L’invention concerne un dispositif d’étalonnage qui acquiert une image dans laquelle une cible de capture positionnée devant un véhicule est capturée, ou qui acquiert une image dans laquelle une cible de capture positionnée derrière le véhicule est capturée, une telle image étant différente de l’image acquise lorsque la zone devant le véhicule est capturée (S280, S290). À un tel instant, la forme et la taille de la cible de capture sont connues. Le dispositif d’étalonnage réalise une conversion de projection des cibles de capture capturées dans une région de chevauchement des images acquises, et le dispositif d’étalonnage spécifie le roulis, le pas et la hauteur de la caméra de capture d’image de telle sorte que les résultats de conversion sont conformes à la forme et à la taille de la cible de capture (S380). Le dispositif d’étalonnage spécifie également la coordonnée x, la coordonnée y, et le lacet de la caméra de capture d’image de telle sorte que la taille d’un angle de liaison dans une structure de liaison virtuelle devient la taille minimale (S390).
(JA) キャリブレーション装置は、車両の前方に位置する撮影ターゲットを撮影した画像を取得する。また、車両の後方に位置する撮影ターゲットを撮影した画像において、前方を撮影した際に取得した画像とは異なる画像を取得する(S280,S290)。このとき撮影ターゲットは、形状及び大きさが既知である。キャリブレーション装置は、取得した各画像の重複領域に写り込んだ撮影ターゲットを射影変換し、変換結果が、撮影ターゲットの形状及び大きさに一致するように、撮影カメラのロール、ピッチ、及び高さを特定する(S380)。また、仮想リンク構造における1つのリンク角が最小となるように、撮影カメラのx座標、y座標、及びヨーを特定する(S390)。
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)