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1. (WO2019041116) OPTICAL RANGING METHOD AND OPTICAL RANGING APPARATUS
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Pub. No.: WO/2019/041116 International Application No.: PCT/CN2017/099408
Publication Date: 07.03.2019 International Filing Date: 29.08.2017
IPC:
G01B 11/22 (2006.01) ,G01C 3/06 (2006.01) ,G01S 17/48 (2006.01)
G PHYSICS
01
MEASURING; TESTING
B
MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
11
Measuring arrangements characterised by the use of optical means
22
for measuring depth
G PHYSICS
01
MEASURING; TESTING
C
MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
3
Measuring distances in line of sight; Optical rangefinders
02
Details
06
Use of electric means to obtain final indication
G PHYSICS
01
MEASURING; TESTING
S
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
17
Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
02
Systems using the reflection of electromagnetic waves other than radio waves
06
Systems determining position data of a target
46
Indirect determination of position data
48
Active triangulation systems, i.e. using the transmission and reflection of electromagnetic waves other than radio waves
Applicants:
深圳市汇顶科技股份有限公司 SHENZHEN GOODIX TECHNOLOGY CO., LTD. [CN/CN]; 中国广东省深圳市 福田保税区腾飞工业大厦B座13层 Floor 13, Phase B,Tengfei Industrial Building, Futian Free Trade Zone Shenzhen, Guangdong 518045, CN
Inventors:
杨孟达 YANG, Mengta; CN
Agent:
上海晨皓知识产权代理事务所(普通合伙) SHANGHAI CHENHAO INTELLECTUAL PROPERTY LAW FIRM GENERAL PARTNERSHIP; 中国上海市 黄浦区制造局路787号二幢202B室 Room 202B, Building 2, 787 Zhizaoju Road, Huangpu District Shanghai 200011, CN
Priority Data:
Title (EN) OPTICAL RANGING METHOD AND OPTICAL RANGING APPARATUS
(FR) PROCÉDÉ DE TÉLÉMÉTRIE OPTIQUE ET APPAREIL DE TÉLÉMÉTRIE OPTIQUE
(ZH) 光学测距方法以及光学测距装置
Abstract:
(EN) Disclosed is an optical ranging method, comprising: according to a plurality of first parameters, determining an expression of a first measured distance (202); according to a flight time, calculating a flight time measured distance (204); according to the expression of the first measured distance and the flight time measured distance, calculating optimal values of the plurality of first parameters, and an optimal value of a flight time error corresponding to the flight time measured distance (208); and according to the flight time measured distance, the optimal values of the plurality of first parameters and the optimal value of the flight time error, obtaining image depth information (210), wherein the plurality of first parameters comprises an angle of pitch corresponding to an object reflection point, an azimuth angle and a distance between a light-emitting module and a photosensitive module.
(FR) L'invention concerne un procédé de télémétrie optique comprenant : en fonction d'une pluralité de premiers paramètres, la détermination d'une expression d'une première distance mesurée (202) ; en fonction d'un temps de vol, le calcul d'une distance mesurée de temps de vol (204) ; en fonction de l'expression de la première distance mesurée et de la distance mesurée de temps de vol, le calcul de valeurs optimales de la pluralité de premiers paramètres, et d'une valeur optimale d'une erreur de temps de vol correspondant à la distance mesurée de temps de vol (208) ; et en fonction de la distance mesurée de temps de vol, des valeurs optimales de la pluralité de premiers paramètres et de la valeur optimale de l'erreur de temps de vol, l'obtention d'informations de profondeur d'image (210), la pluralité de premiers paramètres comprenant un angle de pas correspondant à un point de réflexion d'objet, un angle d'azimut et une distance entre un module électroluminescent et un module photosensible.
(ZH) 一种光学测距方法,包括根据复数个第一参数,确定第一量测距离的表达式(202);根据飞行时间,计算飞时量测距离(204);根据第一量测距离的表达式与飞时量测距离,计算该复数个第一参数的最优值和对应于飞时量测距离的飞时误差的最优值(208);以及根据飞时量测距离、该复数个第一参数的最优值以及飞时误差的最优值,取得影像深度信息(210);其中,该复数个第一参数包括对应于对象反射点的俯仰角、方位角以及发光模块与感光模块之间的距离。
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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, JO, JP, KE, KG, KH, 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: Chinese (ZH)
Filing Language: Chinese (ZH)