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1. (WO2018102188) METHOD AND SYSTEM FOR AUTOMATIC REAL-TIME ADAPTIVE SCANNING WITH OPTICAL RANGING SYSTEMS
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Pub. No.: WO/2018/102188 International Application No.: PCT/US2017/062708
Publication Date: 07.06.2018 International Filing Date: 21.11.2017
IPC:
G01S 17/00 (2006.01) ,G01B 9/00 (2006.01) ,H04B 10/00 (2013.01)
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
G PHYSICS
01
MEASURING; TESTING
B
MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
9
Instruments as specified in the subgroups and characterised by the use of optical measuring means
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
B
TRANSMISSION
10
Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
Applicants:
BLACKMORE SENSORS AND ANALYTICS INC. [US/US]; 3991 Valley Commons Dr. Bozeman, Montana 59718, US
Inventors:
CROUCH, Stephen C.; US
REIBEL, Randy R.; US
CURRY, James; US
BERG, Trenton; US
Agent:
MOLINELLI, Eugene J.; US
EVANS, Judith A.; US
Priority Data:
62/428,11730.11.2016US
Title (EN) METHOD AND SYSTEM FOR AUTOMATIC REAL-TIME ADAPTIVE SCANNING WITH OPTICAL RANGING SYSTEMS
(FR) PROCÉDÉ ET SYSTÈME DE BALAYAGE ADAPTATIF EN TEMPS RÉEL AUTOMATIQUE À L'AIDE DE SYSTÈMES DE TÉLÉMÉTRIE OPTIQUE
Abstract:
(EN) Techniques for automatic adaptive scanning with a laser scanner include obtaining range measurements at a coarse angular resolution and forming a horizontally sorted range gate subset and a characteristic range. A fine angular resolution is determined automatically based on the characteristic range and a target spatial resolution. If the fine angular resolution is finer than the coarse angular resolution, then a minimum and maximum vertical angle is automatically determined in each horizontal slice extending a bin size from any previous horizontal slice. A set of adaptive minimum and maximum vertical angles is determined automatically by dilating and interpolating the minimum and maximum vertical angles of all the slices to the second horizontal angular resolution. A horizontal start angle, and the set of adaptive minimum and maximum vertical angles are sent to cause the ranging system to obtain measurements at the second angular resolution.
(FR) L'invention concerne des techniques de balayage adaptatif automatique à l'aide d'un scanner laser consistant à obtenir des mesures de distance à une résolution angulaire approximative et à former un sous-ensemble de portes distance triées horizontalement et une distance caractéristique. Une résolution angulaire fine est déterminée automatiquement en fonction de la distance caractéristique et d'une résolution spatiale cible. Si la résolution angulaire fine est plus fine que la résolution angulaire approximative, alors un angle vertical minimal et maximum est automatiquement déterminé dans chaque tranche horizontale s'étendant sur une taille donnée à partir de n'importe quelle tranche horizontale précédente. Un ensemble d'angles verticaux minimaux et maximaux adaptatifs est déterminé automatiquement par dilatation et interpolation des angles verticaux minimaux et maximaux de toutes les tranches par rapport à la seconde résolution angulaire horizontale. Un angle de départ horizontal, et l'ensemble d'angles verticaux minimaux et maximaux adaptatifs sont envoyés pour amener le système de télémétrie à obtenir des mesures à la seconde résolution angulaire.
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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: English (EN)
Filing Language: English (EN)