513 Hits in 2.9 sec

Parameter-driven freeform deformations [article]

Y. Song, J.S.M. Vergeest, D.P. Saakes
2003 Eurographics State of the Art Reports  
To achieve this, different from existing freeform deformation methods, a deformable template defined by intrinsic parameters is used as the bridge to link the original freeform shape and the user actions  ...  With shape similarity analysis, a user-defined region of interest in the freeform shape is matched, or fitted, to a deformable shape template.  ...  This research project DIT.6071 is supported by the Technology Foundation STW, applied science division of NWO and the technology programme of the Ministry of Economic Affairs, The Netherlands.  ... 
doi:10.2312/egs.20031066 fatcat:zzt65wqwxbc7za5jd6uicmdlv4

Complex 3D Feature Registration Using a Marching Template

Joris S. M. Vergeest, Sander Spanjaard, Chensheng Wang, Yu Song
2003 International Conference in Central Europe on Computer Graphics and Visualization  
This complex feature is uncovered by a match-and-crawl algorithm based on partial template matching and shape dissimilarity computation.  ...  We present a new method to extract a shape instance plus design parameters from a ridge structure contained in a freeform surface, where the ridge has no predefined path, and can have varying height and  ...  The authors thank Tim van Bentum and Vaniek Colenbrander for their excellent work and experiments.  ... 
dblp:conf/wscg/VergeestSWS03 fatcat:pl2dep7z3baczklhzorsscscpi

Design automation for customized apparel products

Charlie C.L. Wang, Yu Wang, Matthew M.F. Yuen
2005 Computer-Aided Design  
Therefore, the parametric feature-based modeling enables the automatic generation of fitted garments on differing body shapes.  ...  In detail, a non-manifold data structure, a constructive design method, four freeform modification tools, and a detail template encoding/decoding method are developed for the design automation of customized  ...  the detail template encoding and decoding, the fitted products for different body shapes -H 1 , H 2 , and H 3 are generated.  ... 
doi:10.1016/j.cad.2004.08.007 fatcat:i3oczlit5beerhbkpz56ki3w5q

A Framework for Real-Time 3D Freeform Manipulation of Facial Video

Jungsik Park, Byung-Kuk Seo, Jong-Il Park
2019 Applied Sciences  
Unlike existing approaches, the proposed framework provides natural 3D manipulation of a face without background distortion and interactive face editing by a user's input, which leads to freeform manipulation  ...  This paper proposes a framework that allows 3D freeform manipulation of a face in live video.  ...  As faces can be interactively manipulated by the user's input, this allows freeform manipulation without any range or shape limitations.  ... 
doi:10.3390/app9214707 fatcat:xytcl2s4vbfs5ez37mkl5weefy

Feature-based 3D non-manifold freeform object construction

Charlie C. L. Wang, Yu Wang, Matthew M.F. Yuen
2003 Engineering with Computers  
The geometry coverage of our geometric modeling approach includes both manifold and non-manifold 3D freeform objects.  ...  The construction method is feature based -every reference model has pre-defined features, and the feature template of the constructed object is related to the features of the reference model by feature  ...  The freeform object construction method presented in this paper is feature-based. It relates directly to the feature-based freeform object modeling and the mesh fitting techniques.  ... 
doi:10.1007/s00366-003-0251-5 fatcat:o45fbhw3orcgzla2g3nkisg7wq


Marius Brade, Christian Brändel, Angelika Salmen, Rainer Groh
2012 Proceedings of the 12th International Conference on Knowledge Management and Knowledge Technologies - i-KNOW '12  
It enables knowledge workers to dynamically build up contact based knowledge landscapes and expert management using lightweight pen and paper-like interactions.  ...  The system utilizes sketch based template matching to recognize basic user created items. A flexible data model is used to translate the users' interactions into an ordered composite structure.  ...  Finally, freeforms represent arbitrary strokes that do not fit in the aforementioned categories.  ... 
doi:10.1145/2362456.2362494 dblp:conf/iknow/BradeBSG12 fatcat:vgvnm33tmffpdibuz7xzzjhcny


W. Thaller, U. Krispel, S. Havemann, I. Redi, A. Redi, D. W. Fellner
2012 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
, and a few other parameters.  ...  We report on the commonalities and differences between the models and the abstractions that we were able to identify.  ...  CITYFIT (High-Quality Urban Reconstructions by Fitting Shape Grammars to Images and Derived Textured Point Clouds), grant number 815971/14472.  ... 
doi:10.5194/isprsarchives-xxxviii-5-w16-163-2011 fatcat:bbg4frwwlzasfewig3qlj33jnq

Fast character modeling with sketch-based PDE surfaces

Lihua You, Xiaosong Yang, Junjun Pan, Tong-Yee Lee, Shaojun Bian, Kun Qian, Zulfiqar Habib, Allah Bux Sargano, Ismail Kazmi, Jian J. Zhang
2020 Multimedia tools and applications  
They include: partial differential equation-based shape manipulation, generalized elliptic curve-driven shape manipulation, sketch assisted shape manipulation, and template-based shape manipulation.  ...  They are: partial differential equation-based shape manipulation, generalized elliptic curve driven shape manipulation, sketch-assisted shape manipulation, and template-based shape manipulation.  ...  Template-based shape manipulation (TBSM) Template-based shape manipulation includes local part creation through use of the corresponding relations between the created local profile curves and those of  ... 
doi:10.1007/s11042-020-09060-9 fatcat:pufozqs45venjjgkdpya5wgyci

Custom osteotomy guides for resection of a pelvic chondrosarcoma

William G Blakeney, Robert Day, Laurence Cusick, Richard L Carey Smith
2014 Acta Orthopaedica  
Using a sensable haptic manipulator, the planned resection planes were placed on the 3D model and checked against the position of the tumor (Figure 1) .  ...  A 3D model of the pelvis and tumor was then created and exported as an STL file to Freeform v12 (Geomagic Sensable, Wilmington, MA).  ...  Using a sensable haptic manipulator, the planned resection planes were placed on the 3D model and checked against the position of the tumor (Figure 1) .  ... 
doi:10.3109/17453674.2014.920988 pmid:24847792 pmcid:PMC4105778 fatcat:veckdnec4fd3llump55pnr3sja

A Voxel Based Automatic Tool Path Planning Approach Using Scanned Data as the Stock

Fei Shen, Joshua Tarbutton
2019 Procedia Manufacturing  
A generic model has been developed and it was used to analyze idle capacity and to design strategies towards the maximization of organization's value.  ...  This paper presents and discusses a mathematical model for capacity management based on different costing models (ABC and TDABC).  ...  manipulation.  ... 
doi:10.1016/j.promfg.2019.06.110 fatcat:xphgle63lncohdmzaxwojvtuvy

Computer-assisted preoperative simulation for positioning of plate fixation in Lefort I osteotomy: A case report

Hideyuki Suenaga, Asako Taniguchi, Kazumichi Yonenaga, Kazuto Hoshi, Tsuyoshi Takato
2016 Journal of the Formosan Medical Association  
We performed a computer-assisted virtual orthognathic surgical procedure using optically scanned threedimensional (3D) data and real computed tomography data on a personal computer.  ...  It helped maxillary bone movement and positioning and the titanium plate temporary fixation and positioning.  ...  The Freeform plus was used to leverage CT and 3D scanned data to make holes accurately and fit a screw using a virtual drill.  ... 
doi:10.1016/j.jfma.2016.01.003 pmid:26874372 fatcat:ank7yxoz2nehlkwmm4sl2lwije

Inferring Depression and Affect from Application Dependent Meta Knowledge

Markus Kächele, Martin Schels, Friedhelm Schwenker
2014 Proceedings of the 4th International Workshop on Audio/Visual Emotion Challenge - AVEC '14  
task and label dependent templates to infer the respective emotional states.  ...  It comprises classification results and considerations for both the continuous affect recognition sub-challenge and also the depression recognition subchallenge.  ...  and also of the shape of a continuous annotation.  ... 
doi:10.1145/2661806.2661813 dblp:conf/mm/KacheleSS14 fatcat:2qcepxw62fhqtoguynov4d7b3i

Design and additive manufacturing of patient-specific cranial and pelvic bone implants from computed tomography data

Yashwant Kumar Modi, Sidharth Sanadhya
2018 Journal of the Brazilian Society of Mechanical Sciences and Engineering  
The objective of this study is to obtain patient-specific models and implants from computed tomography (CT) scan data and validate the strength of implant using finite element analysis.  ...  The STL files were cleaned and corrected in Materialise's Magics RP software. These models were loaded into 3D systems' Geomagic Freeform software to design the customized implants.  ...  Acknowledgements Authors gratefully acknowledge the help and support extended by the 3D Systems, USA, by providing access to trial versions of Geomagic Freeform and Geomagic Freeform Plus to design the  ... 
doi:10.1007/s40430-018-1425-9 fatcat:xghge7zr65cgvho343btl53x4u

Computer Aided Techniques for Knee Implant: Case Study

Jitesh Madhavi, Jayesh Dange
2017 International Journal of Engineering Research and  
A key component in tissue engineering is the use of porous scaffolds to guide cells for attachment, proliferation and differentiation in the tissue regenerative process.  ...  Using CATE, the design of intricate three-dimensional architecture of scaffold can be realized and these scaffolds can be fabricated with reproducible accuracy to assist biologists in studying complex  ...  These CAD model can then be used for making stereolithographic which will help to make rapid prototypes and for surgical jigs and templates.  ... 
doi:10.17577/ijertv6is070213 fatcat:aeoeogybwbc6plsnddbdhcctbu

Maxillofacial Reconstruction Using Polyetheretherketone Patient-Specific Implants by "Mirroring" Computational Planning

Paolo Scolozzi
2012 Aesthetic Plastic Surgery  
In recent years, the subsequently developed new generation of computational technologies has allowed planning to be done by preoperative "mirroring" using the healthy side as a template to fabricate an  ...  Two cases of facial defects are reported, one of the midface and another of the lower face reconstructed using a computer-designed polyetheretherketone (PEEK) patient-specific implant (PSI) technique based  ...  The template then was adapted to fit the bony defect as precisely as possible to obtain an ideal and symmetric positioning (Fig. 3c, d) .  ... 
doi:10.1007/s00266-011-9853-2 pmid:22258832 fatcat:sprndh5y2rh57iuvkccdn46gwu
« Previous Showing results 1 — 15 out of 513 results