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Deformable Mesh Evolved by Similarity of Image Patches
2019
2019 IEEE International Conference on Image Processing (ICIP)
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Image segments and segment boundaries are represented using a deformable triangle mesh, providing all advantages of an explicit geometry representation, but allowing for adaptive topology. ...
We propose a deformable model for manually initialized segmentation of images, which may contain both textured and non-textured regions. ...
Bottom row shows result by [24] , result by [25] , initialization and result by [23] . mesh overlayed. Adaptive mesh aids post-processing such as simulations or quantitative analyses. ...
doi:10.1109/icip.2019.8803264
dblp:conf/icip/NguyenDBD19
fatcat:mfkq6mg7dzgv5iod6lww7jyga4
Computer-Aided Kidney Segmentation on Abdominal CT Images
2006
IEEE Transactions on Information Technology in Biomedicine
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In this paper, an effective model-based approach for computer-aided kidney segmentation of abdominal CT images with anatomic structure consideration is presented. ...
; 3) novel directional model for a more reliable kidney region seed point identification; and 4) adaptive region growing controlled by the properties of image homogeneity. ...
Pan at the Taipei Medical University for his help in performing manual segmentations. Acknowledgement also due to Dr. B.-L. ...
doi:10.1109/titb.2005.855561
pmid:16445250
fatcat:ft2dqxib7feezhk7k3zexjrvxq
Models for Planning and Simulation in Computer Assisted Orthognatic Surgery
[chapter]
2002
Lecture Notes in Computer Science
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Both points are developed within a clinical application context for computer aided maxillofacial surgery. ...
The generic mesh is adapted to each patient morphology using the Mesh-Matching algorithm [15] . ...
Then, the mesh of this generic model is conformed to each patient morphology, using an elastic registration method and patient data segmented from CT images. ...
doi:10.1007/3-540-45787-9_40
fatcat:pi4lf6dqzvdypjq4branihfm4y
Automated 3-D PDM construction from segmented images using deformable models
2003
IEEE Transactions on Medical Imaging
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Corresponding surface landmarks are established by adapting a triangulated learning shape to segmented volumetric images of the remaining shapes. ...
In recent years, several methods have been proposed for constructing statistical shape models to aid image analysis tasks by providing a priori knowledge. ...
Fig. 2 shows the grey value images of two examples for adapting the template mesh to a segmented image. ...
doi:10.1109/tmi.2003.815864
pmid:12906254
fatcat:lna5lhka75flfhdbtckq3v4riu
Time-varying Image Data Visualization Framework for Application in Cardiac Catheterization Procedures
[article]
2008
Computer Graphics and Visual Computing
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In this case, we can use an adaptive Delaunay-based surface extraction algorithm for mesh generation, for which specifically developed for noisy binary image data sets. ...
The contrast-enhanced images can easily be segmented and binarized using a fixed grey-level threshold. ...
We are grateful to the members of the Imaging Sciences division at St Thomas' Hospital. ...
doi:10.2312/localchapterevents/tpcg/tpcg08/137-140
dblp:conf/tpcg/MaRKGCSRS08
fatcat:nsytcmwprnc3hlz24uht3ivkuu
High Quality Surface Mesh Generation for Multi-physics Bio-medical Simulations
[chapter]
2007
Lecture Notes in Computer Science
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While many commercial packages offer mesh generation options, these depend on high quality input, which is rarely available when depending on image segmentation results. ...
Rapid development of biomedical imaging and simulation, however, requires automatic computations involving frequent re-meshing of (r)evolving domains that human-driven generation can simply no longer deliver ...
Acknowledgments This work is a part of the Swiss National Center of Competence in Research on Computer Aided and Image Guided Medical Interventions (NCCR Co-Me), supported by the Swiss National Science ...
doi:10.1007/978-3-540-72584-8_119
fatcat:lm65sbmkobfmlhka7ojzaepdte
A new deformable model for 3D image segmentation
[chapter]
1997
Lecture Notes in Computer Science
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Accurate segmentation results are obtained in the presence of image noise and imperfect image data. ...
We introduce a method of adapting model parameters, which enables our model to bypass some noise and irrelevant edge points. The model is tested with synthetic and real images. ...
They segment a 3D image by fitting the surface to desired image features, e.g. edge points. ...
doi:10.1007/3-540-63507-6_207
fatcat:jqggzjhburfmbktb2xbznjd53y
Generating 3D Bio-Printable Patches Using Wound Segmentation and Reconstruction to Treat Diabetic Foot Ulcers
[article]
2022
arXiv
pre-print
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AiD Regen seamlessly binds the full pipeline, which includes RGB-D image capturing, semantic segmentation, boundary-guided point-cloud processing, 3D model reconstruction, and 3D printable G-code generation ...
We introduce AiD Regen, a novel system that generates 3D wound models combining 2D semantic segmentation with 3D reconstruction so that they can be printed via 3D bio-printers during the surgery to treat ...
(a) Green processing area is displayed on the segmentation map. (b) The original surface mesh with noise. (c) The BGPCP processed surface mesh.
Figure 6 . 6 Figure 6. ...
arXiv:2203.03814v1
fatcat:ugivmet42jemfhynomrkoue3kq
The accuracy of post-traumatic orbital volume correction using pre-adapted titanium mesh (randomized controlled clinical prospective study)
2018
Egyptian Journal of Oral & Maxillofacial Surgery
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Aim: Is to evaluate the accuracy of orbital volume correction using pre-adapted titanium mesh with the aid of stl model of corrected orbit. ...
Manual group where titanium mesh was manually adapted intra-operatively. STL group where titanium mesh was adapted pre-operatively using stl model of corrected orbit. ...
and adaptation of the titanium mesh [17] . ...
doi:10.21608/omx.2018.5323.1017
fatcat:wwkschyy7ngedb6vc7p7da7jsi
Generalizing the advancing front method to composite surfaces in the context of meshing constraints topology
2013
Computer-Aided Design
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Collision tests between new front segments and existing mesh elements also require specific and significant adaptations of the AFM since a given front segment is also likely to lie on multiple B-Rep faces ...
Each mesh segment or mesh triangle generated through this progression on composite geometry is likely to lie on multiple B-Rep faces and is, by the way, likely to be associated with a composite definition ...
is associated with an image curve, which consists of a sequence of sub-segments, each of which representing the image of the mesh segment along a reference edge and on its two adjacent faces. ...
doi:10.1016/j.cad.2013.05.009
fatcat:adzzdmhfhfb6ldn3tmidcmz7my
Surgical Planning and Patient-Specific Biomechanical Simulation for Tracheal Endoprostheses Interventions
[chapter]
2009
Lecture Notes in Computer Science
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A method for automatic adaptation of a finite element mesh allows to build a patient-specific biomechanical model for simulation of the expected performance of the implant under physiological movement ...
Automatic segmentation of the trachea and apparent pathological structures is obtained using a modified region growing algorithm. ...
This mesh can be adapted to the particular patient's anatomy by deforming it to match the segmented internal and external surfaces of the patient's trachea. ...
doi:10.1007/978-3-642-04271-3_34
fatcat:6jjvjcptdbbqbevbqgauymwpli
Computer-Assisted Surgery for Mandibular Reconstruction Using a Patient-Specific Titanium Mesh Tray and Particulate Cancellous Bone and Marrow
2015
Case Reports in Clinical Medicine
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Long-span segmental resection of the mandible was planned, and the defect was analyzed for reconstruction using a patient-specific reconstruction titanium mesh tray mediated with computer-aided design ...
Finally, a CAD/CAM-mediated titanium mesh tray condensed by PCBM was adapted to the remaining mandibular fragments. ...
(b) Design of the custom-made titanium mesh tray that was fabricated from 3-D formable titanium mesh (margaret flowers pattern) using a forming-hand press machine and computer-aided design and computer-aided ...
doi:10.4236/crcm.2015.43019
fatcat:k6kmum2p35bt5c6x36ealcwlfu
Computer-aided liver surgery planning: an augmented reality approach
2003
Medical Imaging 2003: Visualization, Image-Guided Procedures, and Display
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In most cases, surgeons need to develop this understanding by looking at sequences of axial images from modalities like X-ray computed tomography. ...
Surgical resection of liver tumors requires a detailed three-dimensional understanding of a complex arrangement of vasculature, liver segments and tumors inside the liver. ...
The model is highly adaptable, enabling a wide range of segmentation refinement tools described in Section 4.3. ...
doi:10.1117/12.479743
dblp:conf/miigp/BornikBRGSLS03
fatcat:n7y7dcfiq5h4labzdzl6kyj4ea
Computer aided planning for orthognatic surgery
[chapter]
2002
CARS 2002 Computer Assisted Radiology and Surgery
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A computer aided maxillofacial sequence is presented, applied to orthognatic surgery. ...
Then, this generic mesh is adapted to each patient morphology, built out of CT scanner data, using a mesh-matching algorithm. ...
These methods are based on a 3D volumetric mesh, generated from patient CT images using automatic meshing methods. ...
doi:10.1007/978-3-642-56168-9_165
fatcat:z3mlmriovnbkziiy7zrpko45xq
Page 2843 of Mathematical Reviews Vol. , Issue 2003d
[page]
2003
Mathematical Reviews
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Hierarchical representation and coding of surfaces using 3-D polygon meshes. (English summary)
IEEE Trans. Image Process. 10 (2001), no. 8, 1133-1151. ...
Summary: “Parametric polynomial cubic curve segments are widely used in computer-aided design and computer-aided geo- metric design applications because their flexibility makes them suitable for use in ...
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