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1. (WO2018086141) CONSTRUCTION AND UPDATE OF ELEVATION MAPS
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Pub. No.: WO/2018/086141 International Application No.: PCT/CN2016/105805
Publication Date: 17.05.2018 International Filing Date: 14.11.2016
IPC:
G06F 17/50 (2006.01) ,G01C 11/00 (2006.01) ,G06T 15/00 (2011.01)
G PHYSICS
06
COMPUTING; CALCULATING; COUNTING
F
ELECTRIC DIGITAL DATA PROCESSING
17
Digital computing or data processing equipment or methods, specially adapted for specific functions
50
Computer-aided design
G PHYSICS
01
MEASURING; TESTING
C
MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
11
Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
G PHYSICS
06
COMPUTING; CALCULATING; COUNTING
T
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
15
3D [Three Dimensional] image rendering
Applicants:
SZ DJI TECHNOLOGY CO., LTD. [CN/CN]; 6F, HKUST SZ IER Bldg. No.9 Yuexing 1st Rd. Hi-Tech Park (South), Nanshan District Shenzhen, Guangdong 518057, CN
Inventors:
LIU, Ang; CN
ZHANG, Litian; CN
SHEN, Shaojie; CN
Agent:
SHENZHEN SCIENBIZIP INTELLECTUAL PROPERTY AGENCY CO., LTD.; 9F, Rongqun Building NO.83 Longguan East Rd. Longhua New Dist. Shenzhen, Guangdong 518109, CN
Priority Data:
Title (EN) CONSTRUCTION AND UPDATE OF ELEVATION MAPS
(FR) CONSTRUCTION ET MISE À JOUR DE CARTES D'ÉLÉVATION
Abstract:
(EN) Systems and methods for building a two-dimensional (2D) elevation map are provided. A method of building a two-dimensional (2D) elevation map comprises: receiving sensor data regarding a 2D coordinate in a 2D coordinate system, wherein the sensor data is acquired by one or more sensors of an aerial vehicle (1310); computing, based on the sensor data, a surface height for the 2D coordinate (1320); assigning, based on the sensor data, a confidence indicator to the computed surface height (1330); and storing the computed surface height and the assigned confidence indicator for the 2D coordinate in a database (1340), thereby building the 2D elevation map.
(FR) L'invention concerne des systèmes et des procédés de construction d'une carte d'élévation bidimensionnelle (2D). Un procédé de construction d'une carte d'élévation bidimensionnelle (2D) consiste : à recevoir des données de capteur concernant une coordonnée 2D dans un système de coordonnées 2D, les données de capteur étant acquises par au moins un capteur d'un véhicule aérien (1310) ; à calculer, sur la base des données de capteur, une hauteur de surface pour la coordonnée 2D (1320) ; à attribuer, sur la base des données de capteur, un indicateur de confiance à la hauteur de surface calculée (1330) ; et à stocker la hauteur de surface calculée et l'indicateur de confiance attribué pour la coordonnée 2D dans une base de données (1340), ce qui permet de construire la carte d'élévation 2D.
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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, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KW, 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: English (EN)
Filing Language: English (EN)