Soft tissue deformation method based on metaball model driving
A model-driven, soft tissue technology, applied in the field of virtual surgery, to meet the real-time requirements of the system, good deformation effect, and smooth soft tissue surface.
Pending Publication Date: 2022-07-08
苏州迪威视景数字科技有限公司
1 Cites 0 Cited by
AI-Extracted Technical Summary
Problems solved by technology
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreAbstract
The invention provides a soft tissue deformation method based on metaball model driving, which comprises the following four steps: a construction stage of a metaball model topological structure: generating a Voronoi diagram according to an original grid model by using a BradshowGareth ball tree generation algorithm, further generating a metaball model, and constructing the topological structure of the metaball model through a method of setting a threshold value; in the metaball model deformation calculation stage, an extended position dynamics algorithm is combined with Laplacian coordinate constraint to simulate the deformation process of the soft tissue body model; in the skin-covering stage of the soft tissue model, distance field functions of the metaball in the body model are established respectively, a mapping relation is established between the metaball model and the epidermis grid model, and the skin-covering process is achieved; and a realistic drawing and real-time tactile rendering stage: performing realistic drawing according to the physical deformation of the soft tissue, and performing real-time tactile rendering based on a GeomagicTouch force feedback device. The method can truly simulate the deformation process of the soft tissue in the virtual operation, and has the characteristics of strong physical reality sense and good real-time performance.
Application Domain
Technology Topic
Image
Examples
- Experimental program(1)
Example Embodiment
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more PUM


Description & Claims & Application Information
We can also present the details of the Description, Claims and Application information to help users get a comprehensive understanding of the technical details of the patent, such as background art, summary of invention, brief description of drawings, description of embodiments, and other original content. On the other hand, users can also determine the specific scope of protection of the technology through the list of claims; as well as understand the changes in the life cycle of the technology with the presentation of the patent timeline. Login to view more.
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more Similar technology patents
Directional Microphone
InactiveUS20110129101A1Highly directionalOvercome limitationsMicrophones signal combinationFrequency/directions obtaining arrangementsAudio signalUltrasound
Owner:1 LIMITED ST JOHN S INNOVATION CENT
Frame batching and compression for IP transmission
ActiveUS7027450B2Guaranteed normal transmissionOvercome limitationsError preventionTransmission systemsNetwork layerDatagram
Owner:AVAGO TECH INT SALES PTE LTD
System and method to estimate the location of a receiver in a multi-path environment
InactiveUS7030814B2Reduce multipath effectsOvercome limitationsDirection finders using radio wavesPosition fixationTimestampConvolution
Owner:CSR TECH INC
Accelerating computational algorithms using reconfigurable computing technologies
InactiveUS20050288800A1Overcome limitationsDesign optimisation/simulationSpecial data processing applicationsComputational algorithmComputer hardware
Owner:GENERAL ELECTRIC CO
Large scale particle picture velocimetry based on Haokong surface flow field computational algorithm
InactiveCN104215795AOvercome limitationsHigh precisionFluid speed measurementComputational algorithmSingle lens
Owner:NANJING HAWKSOFT TECH
Classification and recommendation of technical efficacy words
- Overcome limitations
- Meet the real-time requirements of the system
Customizable electronic commerce comparison system and method
InactiveUS7302429B1Easily prioritizeOvercome limitationsMarket predictionsDigital data processing detailsThird partyInformation system
Owner:WANKER WILLIAM PAUL
Dynamic configuration of a gaming system
ActiveUS20050223219A1Overcome limitationsUser identity/authority verificationUnauthorized memory use protectionCommon methodComputer hardware
Owner:IGT
Smartphone based passive keyless entry system
InactiveUS20150048927A1Overcome limitationsProgramme controlElectric signal transmission systemsRadio signal strengthPoint location
Owner:DIRECTED
Intrusion detection system using self-organizing clusters
InactiveUS7017186B2Facilitate robust analysisOvercome limitationsMemory loss protectionError detection/correctionSelf organized mapNormal behaviour
Owner:LONGHORN HD LLC
Methods and apparatus for decision making of system of mobile robotic vehicles
InactiveUS6842674B2Effective attackOvercome limitationsInstruments for road network navigationAutonomous decision making processMobile robotContinuation
Owner:SOLOMON RES