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1. WO2020117260 - IMAGED TRANSMISSION PERCENTAGES FOR 3D PRINTERS

Publication Number WO/2020/117260
Publication Date 11.06.2020
International Application No. PCT/US2018/064397
International Filing Date 07.12.2018
IPC
G06T 7/521 2017.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
7Image analysis
50Depth or shape recovery
521from laser ranging, e.g. using interferometry; from the projection of structured light
G06T 7/90 2017.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
7Image analysis
90Determination of colour characteristics
G06T 7/55 2017.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
7Image analysis
50Depth or shape recovery
55from multiple images
G06F 3/12 2006.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
12Digital output to print unit
B29C 64/386 2017.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
64Additive manufacturing, i.e. manufacturing of three-dimensional objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
30Auxiliary operations or equipment
386Data acquisition or data processing for additive manufacturing
CPC
B29C 64/386
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
64Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
30Auxiliary operations or equipment
386Data acquisition or data processing for additive manufacturing
B33Y 50/00
BPERFORMING OPERATIONS; TRANSPORTING
33ADDITIVE MANUFACTURING TECHNOLOGY
YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
50Data acquisition or data processing for additive manufacturing
G06F 3/12
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
12Digital output to print unit ; , e.g. line printer, chain printer
G06T 2207/10024
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
2207Indexing scheme for image analysis or image enhancement
10Image acquisition modality
10024Color image
G06T 2207/30144
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
30108Industrial image inspection
30144Printing quality
G06T 7/0004
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
7Image analysis
0002Inspection of images, e.g. flaw detection
0004Industrial image inspection
Applicants
  • HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. [US]/[US]
Inventors
  • TASTL, Ingeborg
  • GOTTWALS, Melanie M.
  • MORONEY, Nathan
  • FAN, Jian
Agents
  • REA, Diana
  • REA, Diana J.
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) IMAGED TRANSMISSION PERCENTAGES FOR 3D PRINTERS
(FR) POURCENTAGES DE TRANSMISSION IMAGÉS POUR IMPRIMANTES 3D
Abstract
(EN)
In example implementations, an apparatus is provided. The apparatus includes a light table, a camera, and a processor. The light table is to hold an object. The camera is to capture images. The light table is positioned within a field of view of the camera. The processor is communicatively coupled to the camera to receive the images. The processor is to analyze the images to calculate an imaged transmission percentage at a plurality of different locations of the object based on a correlation function of the camera used to determine an amount of print agents to be dispense by a three dimensional printer to print the object.
(FR)
La présente invention porte, selon des modes de réalisation donnés à titre d'exemple, sur un appareil. L’appareil comprend une table de lumière, une caméra, et un processeur. La table de lumière est destinée à contenir un objet. La caméra est destinée à capturer des images. La table de lumière est située à l'intérieur d'un champ de vision de la caméra. Le processeur est couplé en communication à la caméra afin de recevoir les images. Le processeur est destiné à analyser les images pour calculer un pourcentage de transmission imagé à une pluralité d'emplacements différents de l'objet sur la base d'une fonction de corrélation de la caméra utilisée pour déterminer une quantité d'agents d'impression à distribuer par une imprimante tridimensionnelle pour imprimer l'objet.
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