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1. WO2020247087 - METHOD, SYSTEM AND APPARATUS FOR GAP DETECTION IN SUPPORT STRUCTURES WITH PEG REGIONS

Publication Number WO/2020/247087
Publication Date 10.12.2020
International Application No. PCT/US2020/029134
International Filing Date 21.04.2020
IPC
G06Q 10/08 2012.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
10Administration; Management
08Logistics, e.g. warehousing, loading, distribution or shipping; Inventory or stock management, e.g. order filling, procurement or balancing against orders
CPC
G06K 9/6284
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
9Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
62Methods or arrangements for recognition using electronic means
6267Classification techniques
6279relating to the number of classes
6284Single class perspective, e.g. one-against-all classification; Novelty detection; Outlier detection
G06T 2207/10028
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
2207Indexing scheme for image analysis or image enhancement
10Image acquisition modality
10028Range image; Depth image; 3D point clouds
G06T 7/50
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
7Image analysis
50Depth or shape recovery
G06T 7/74
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
7Image analysis
70Determining position or orientation of objects or cameras
73using feature-based methods
74involving reference images or patches
Applicants
  • ZEBRA TECHNOLOGIES CORPORATION [US]/[US]
Inventors
  • GHAZEL, Mohsen
  • LAM, Joseph
  • GAN, Qifeng
  • LOMAKIN, Kiril
Agents
  • KAPMAR, Dimitry
  • ASTVATSATUROV, Yuri
  • GLITTO, Daniel
  • SMITH, Terri
  • SMITH, Donald
Priority Data
16/429,68703.06.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHOD, SYSTEM AND APPARATUS FOR GAP DETECTION IN SUPPORT STRUCTURES WITH PEG REGIONS
(FR) PROCÉDÉ, SYSTÈME ET APPAREIL DE DÉTECTION D'ESPACE DANS DES STRUCTURES DE SUPPORT AVEC DES RÉGIONS DE PATÈRE
Abstract
(EN)
A method of detecting gaps on a support structure includes: obtaining, at an imaging controller, (i) a plurality of depth measurements representing the support structure according to a common frame of reference, and (ii) a plurality of label indicators each defining a label position in the common frame of reference; for each of the label indicators: classifying the label indicator as either a peg label or a shelf label, based on a portion of the depth measurements selected according to the label position and a portion of the depth measurements adjacent to the label position; generating an item search space in the common frame of reference according to the class of the label indicator; and determining, based on a subset of the depth measurements within the item search space, whether the item search space contains an item.
(FR)
La présente invention concerne un procédé de détection d'espaces sur une structure de support comprenant les étapes consistant à : obtenir, au niveau d'un dispositif de commande d'imagerie, (i) une pluralité de mesures de profondeur représentant la structure de support selon un bâti de référence commun, et (ii) une pluralité d'indicateurs d'étiquette définissant chacun une position d'étiquette dans le bâti de référence commun ; pour chacun des indicateurs d'étiquette : classer l'indicateur d'étiquette comme étiquette de patère ou étiquette d'étagère, sur la base d'une partie des mesures de profondeur sélectionnées en fonction de la position d'étiquette et d'une partie des mesures de profondeur adjacentes à la position d'étiquette ; générer un espace de recherche d'article dans le bâti de référence actuel en fonction de la classe de l'indicateur d'étiquette ; et déterminer, sur la base d'un sous-ensemble des mesures de profondeur à l'intérieur de l'espace de recherche d'article, si l'espace de recherche d'article contient un article.
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