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1. WO2022071743 - BODY SHAPE AND POSE ESTIMATION VIA VOLUMETRIC REGRESSOR FOR RAW THREE DIMENSIONAL SCAN MODELS

Publication Number WO/2022/071743
Publication Date 07.04.2022
International Application No. PCT/KR2021/013311
International Filing Date 29.09.2021
IPC
G06T 17/20 2006.1
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
173D modelling for computer graphics
20Wire-frame description, e.g. polygonalisation or tessellation
G06T 13/20 2011.1
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
13Animation
203D animation
G06T 7/73 2017.1
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
7Image analysis
70Determining position or orientation of objects or cameras
73using feature-based methods
G06T 7/60 2006.1
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
7Image analysis
60Analysis of geometric attributes
G06K 9/00 2006.1
GPHYSICS
06COMPUTING; CALCULATING OR 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
CPC
G06N 3/04
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
NCOMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS
3Computer systems based on biological models
02using neural network models
04Architectures, e.g. interconnection topology
G06T 13/40
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
13Animation
203D [Three Dimensional] animation
40of characters, e.g. humans, animals or virtual beings
G06T 17/10
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
17Three dimensional [3D] modelling, e.g. data description of 3D objects
10Constructive solid geometry [CSG] using solid primitives, e.g. cylinders, cubes
G06T 17/20
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
17Three dimensional [3D] modelling, e.g. data description of 3D objects
20Finite element generation, e.g. wire-frame surface description, ; tesselation
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 2207/30196
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
2207Indexing scheme for image analysis or image enhancement
30Subject of image; Context of image processing
30196Human being; Person
Applicants
  • SAMSUNG ELECTRONICS CO., LTD. [KR]/[KR]
Inventors
  • NI, Saifeng
  • FAN, Zhipeng
Agents
  • KIM, Tae-hun
  • JEONG, Hong-sik
Priority Data
17/486,48527.09.2021US
63/084,83029.09.2020US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) BODY SHAPE AND POSE ESTIMATION VIA VOLUMETRIC REGRESSOR FOR RAW THREE DIMENSIONAL SCAN MODELS
(FR) ESTIMATION DE LA FORME DU CORPS ET DE LA POSE PAR RÉGRESSEUR VOLUMÉTRIQUE POUR MODÈLES DE BALAYAGE TRIDIMENSIONNELS BRUTS
Abstract
(EN) An electronic device for object rigging includes a processor. The processor is configured to obtain a three-dimensional (3D) scan of an object. The processor is also configured to identify 3D coordinates associated with joints of the 3D scan. The processor is further configured to identify parameters associated with fitting a 3D parametric body model to the 3D scan based on the 3D coordinates of the joints. Additionally, the processor is configured to modify the parameters to reduce 3D joint errors between the 3D coordinates associated with the joints on the 3D scan and the 3D parametric body model. The processor is also configured to generate a rigged 3D scan based on the modified parameters, for performing an animated motion.
(FR) L'invention concerne un dispositif électronique pour le gréement d'objet comprenant un processeur. Le processeur est configuré pour obtenir un balayage tridimensionnel (3D) d'un objet. Le processeur est également configuré pour identifier des coordonnées 3D associées à des articulations du balayage 3D. Le processeur est en outre configuré pour identifier des paramètres associés à l'ajustement d'un modèle corporel paramétrique 3D au balayage 3D sur la base des coordonnées 3D des articulations. De plus, le processeur est configuré pour modifier les paramètres pour réduire les erreurs d'articulations 3D entre les coordonnées 3D associées aux articulations sur le balayage 3D et le modèle corporel paramétrique 3D. Le processeur est également configuré pour générer un balayage 3D gréé sur la base des paramètres modifiés, pour effectuer un mouvement animé.
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