作者: 把手 時間: 2025-3-21 23:16
Volumetric medical images segmentation using shape constrained deformable models,odel. We proceed by deforming a reference model in a volumetric image. This reference deformable model is represented as a simplex mesh submitted to regularizing shape constraint. Furthermore, we introduce an original approach that combines the deformable model framework with the elastic registratio作者: 品嘗你的人 時間: 2025-3-22 00:47 作者: 閃光你我 時間: 2025-3-22 07:53
Definition of a 4D continuous polar transformation for the tracking and the analysis of LV motion,The transformation is defined in 3D-planispheric coordinates by a small number of parameters involved in a set of simple linear equations. It is continuous and regular in time and space, periodicity in time can be imposed. The local motion can be easily decomposed into a few canonical motions (centr作者: 邪惡的你 時間: 2025-3-22 10:14 作者: CALL 時間: 2025-3-22 13:11 作者: CALL 時間: 2025-3-22 19:34
Advances in elastic matching theory and its implementation,n atlas-based localization of neuroanatomy has progressed toward statistical approaches that subsume the original elastic matching while retaining its practical flavor. In view of the complex geometries involved and the sparsity of image features in the localization problem, elastic matching is refo作者: obscurity 時間: 2025-3-22 23:45 作者: 相互影響 時間: 2025-3-23 01:59
Decimation of isosurfaces with deformable models, on anatomical structure models. Such patient-based anatomical models are often extracted from volumetric medical images as isosurfaces. In this paper, we introduce a new algorithm for the decimation of isosurfaces based on deformable models. The method emphasizes the creation of mesh of high geomet作者: Anemia 時間: 2025-3-23 05:48 作者: 賞錢 時間: 2025-3-23 12:01
Kinematic study of lumbar spine using functional radiographies and 3D / 2D registration,lity. A pair of functional radiographies taken at each end of the range of motion can be used to carry out the estimation of motion using graphic construction or computer assisted methods. In this paper we propose to develop a new method to measure the motion of the lumbar vertebrae using 3D/2D regi作者: 怒目而視 時間: 2025-3-23 15:33 作者: Lethargic 時間: 2025-3-23 19:36
Matching 3D MR angiography data and 2D X-ray angiograms,The goal is to prove the feasibility of such a technique, and the long-term aim is to be able to report the catheter position in a 3D pre-operative image, during an X-ray angiographic examination. First, vessels centerlines are computed using a novel algorithm. Then matching is performed using an ex作者: 轉換 時間: 2025-3-23 23:30
A method for evaluating CT-based surgical registration,mages to intraoperative data. Much of the work on evaluation methods is limited by a fundamental dilemma: either the method works only . and provides absolute accuracy, or the method works . but provides only relative accuracy..Previously, we developed a biocompatible fiducial marker and a CT-based 作者: 侵害 時間: 2025-3-24 04:51
Retrospective intermodality registration techniques: Surface-based versus volume-based,andard a prospective, marker-based registration method, and to compare the performance of one group with the other. In order to ensure blindedness, all retrospective registrations were performed by participants who had no knowledge of the gold-standard results until after their results had been subm作者: Thyroxine 時間: 2025-3-24 09:33
Anatomical landmark image registration: Validation and comparison, four of which had been scanned with a Leksell stereotactic frame present. Four observers each selected twelve pairs of anatomical landmarks per image pair. The images were then registered using a least squares minimization technique, only taking six transformation parameters (translation and rotati作者: strdulate 時間: 2025-3-24 12:33 作者: certain 時間: 2025-3-24 18:12 作者: entrance 時間: 2025-3-24 19:09 作者: ARK 時間: 2025-3-25 01:50 作者: 休閑 時間: 2025-3-25 04:07
Anatomical landmark image registration: Validation and comparison,ameters. Observer performance is differentiated by comparing median distances (and mean deviations) of identical points in different registrations. Comparison of all results show that intra- and interobserver variations are of the same magnitude as the difference between the automatic frame registration and the average observer registration.作者: 討厭 時間: 2025-3-25 10:36 作者: chronology 時間: 2025-3-25 11:49 作者: 阻塞 時間: 2025-3-25 17:40
https://doi.org/10.1007/978-981-15-4596-2een time sequence images of the human mandible. By being able to register the images, this paper at the same time contributes to the validation of the growth model, which is based on the currently available medical theories and knowledge.作者: 非秘密 時間: 2025-3-25 22:03
Junyan Hu,Chubo Liu,Kenli Li,Keqin Litruction or computer assisted methods. In this paper we propose to develop a new method to measure the motion of the lumbar vertebrae using 3D/2D registration between 3D surface models and a pair of calibrated 2D X-ray images.作者: Emg827 時間: 2025-3-26 01:27 作者: 自愛 時間: 2025-3-26 07:16 作者: VEST 時間: 2025-3-26 08:46
Kinematic study of lumbar spine using functional radiographies and 3D / 2D registration,truction or computer assisted methods. In this paper we propose to develop a new method to measure the motion of the lumbar vertebrae using 3D/2D registration between 3D surface models and a pair of calibrated 2D X-ray images.作者: armistice 時間: 2025-3-26 14:39 作者: Ostrich 時間: 2025-3-26 17:12
Conference proceedings 1997edical Robotics and Computer-Assisted Surgery, MRCAS, held in Grenoble, France, in March 1997..The volume presents 76 regular revised papers and 16 clinical papers selected from a total of 161 submitted full papers. The volume offers highly innovative and promising research results in computer-assis作者: 直覺好 時間: 2025-3-27 00:44
Volumetric medical images segmentation using shape constrained deformable models,n (based on iterative closest point algorithm) method. This new method increases the robustness of segmentation while allowing very complex deformation of the original template. Examples of segmentation of the liver and brain ventricles are provided.作者: DOSE 時間: 2025-3-27 01:09
Definition of a 4D continuous polar transformation for the tracking and the analysis of LV motion,ipetal contraction, rotation around the long-axis, elevation). To recover the motion from original data, the 4D polar transformation is calculated using an adaptation of the Iterative Closest Point algorithm. We present the mathematical framework and a demonstration of its feasability on a gated SPECT sequence.作者: hazard 時間: 2025-3-27 08:36 作者: 使更活躍 時間: 2025-3-27 11:16 作者: POINT 時間: 2025-3-27 16:08
Conference proceedings 1997ted medicine and medical informatics. Among the areas covered are medical imaging, virtual reality, medical robotics, and computer-integrated therapy and surgery. The book is of relevance to clinicians, medical engineers, and computer scientists.作者: FEAT 時間: 2025-3-27 18:54 作者: fallible 時間: 2025-3-27 21:55
Philip S. Yu,Mon -Song Chen,Dilip D. Kandlurng them to incorporate . knowledge in the form of energy and force-based constraints, and provide intuitive interactive capabilities. This paper describes ACD-based deformable surfaces and demonstrates their potential for extracting and reconstructing some of the most complex biological structures from medical image volumes.作者: Wordlist 時間: 2025-3-28 05:28
Thomas D. C. Little,Riccardo Gusellave devised a hybrid design that overcomes these limitations. In our experiments we demonstrate that this integration automates and significantly improves the object boundary detection results, independent of the imaging modality used.作者: 平 時間: 2025-3-28 07:21
Xiaonan Zhao,Zhanhuai Li,Leijie Zenges the means by which Gibbs modeling and, thus, Bayesian analysis can be applied to the problem. In this paper, we review these developments and demonstrate the methods on MRI data, including the computation of interval estimates.作者: 熱情贊揚 時間: 2025-3-28 13:18
Peter J. Nistler,Jean-Luc Gaudiotdescribed which uses mainly a 3-D watershed transform. Application is done to . extraction of spheroidal joint surfaces with the help of an ellipsoidal model. The whole algorithm is shown to be accurate and time efficient.作者: 糾纏,纏繞 時間: 2025-3-28 15:06
Yingdong Ma,Xiankai Chen,George Chenace as well a the overall smoothness of the mesh. The isosurface is stored in a data-structure that enables the fast computation of the distance to the isosurface. Finally, our method can handle very large datasets by merging pieces of isosurfaces.作者: Adornment 時間: 2025-3-28 20:55
Mengxian Chi,Xu Jin,Feng Li,Hong An in the context of the CT image which greatly facilitates the understanding of instrument position and trajectory within the patient. In this paper, we show how the method can potentially be applied to surgical procedures such as percutaneous rhizotomy. Phantom studies showing our preliminary results are included.作者: 鋸齒狀 時間: 2025-3-29 02:51
Medical image segmentation using topologically adaptable surfaces,ng them to incorporate . knowledge in the form of energy and force-based constraints, and provide intuitive interactive capabilities. This paper describes ACD-based deformable surfaces and demonstrates their potential for extracting and reconstructing some of the most complex biological structures from medical image volumes.作者: 含糊其辭 時間: 2025-3-29 04:50
Segmentation using deformable models with affinity-based localization,ve devised a hybrid design that overcomes these limitations. In our experiments we demonstrate that this integration automates and significantly improves the object boundary detection results, independent of the imaging modality used.作者: 創(chuàng)新 時間: 2025-3-29 09:20
Advances in elastic matching theory and its implementation,es the means by which Gibbs modeling and, thus, Bayesian analysis can be applied to the problem. In this paper, we review these developments and demonstrate the methods on MRI data, including the computation of interval estimates.作者: WAG 時間: 2025-3-29 15:11
Automatic detection of articular surfaces in 3-D image through minimal subset random sampling,described which uses mainly a 3-D watershed transform. Application is done to . extraction of spheroidal joint surfaces with the help of an ellipsoidal model. The whole algorithm is shown to be accurate and time efficient.作者: LAIR 時間: 2025-3-29 19:16
Decimation of isosurfaces with deformable models,ace as well a the overall smoothness of the mesh. The isosurface is stored in a data-structure that enables the fast computation of the distance to the isosurface. Finally, our method can handle very large datasets by merging pieces of isosurfaces.作者: 慎重 時間: 2025-3-29 22:51 作者: 有節(jié)制 時間: 2025-3-30 00:54 作者: EXCEL 時間: 2025-3-30 04:48 作者: Organonitrile 時間: 2025-3-30 11:08 作者: BUMP 時間: 2025-3-30 15:38
https://doi.org/10.1007/978-3-030-30709-7detection technology that make it possible to evaluate the absolute . accuracy of registrations. We have now developed a mathematical approach to evaluating accuracy, and have applied the method in a phantom study.作者: Simulate 時間: 2025-3-30 20:34
https://doi.org/10.1007/BFb0029218Medizinische Robotik; Neuro-Chirurgie; computer vision; computer-assisted surgery; medical imaging; medic作者: HUMID 時間: 2025-3-31 00:25 作者: Heretical 時間: 2025-3-31 03:54 作者: IDEAS 時間: 2025-3-31 08:02
CVRMed-MRCAS‘97978-3-540-68499-2Series ISSN 0302-9743 Series E-ISSN 1611-3349 作者: Ablation 時間: 2025-3-31 11:47 作者: Yag-Capsulotomy 時間: 2025-3-31 14:06 作者: defibrillator 時間: 2025-3-31 20:12
Philip S. Yu,Mon -Song Chen,Dilip D. Kandlurs of an . (ACD) framework. The ACD framework, combined with a novel and original reparameterization algorithm, creates a simple but elegant mechanism for multiresolution deformable curve, surface, and solid models to “flow” or “grow” into objects with complex geometries and topologies, and adapt the作者: CREST 時間: 2025-3-31 22:30
Lecture Notes in Computer ScienceThe transformation is defined in 3D-planispheric coordinates by a small number of parameters involved in a set of simple linear equations. It is continuous and regular in time and space, periodicity in time can be imposed. The local motion can be easily decomposed into a few canonical motions (centr作者: Maximizer 時間: 2025-4-1 02:35 作者: Forage飼料 時間: 2025-4-1 10:01
Thomas D. C. Little,Riccardo Gusellaodality used (e.g., MRI, CT, echocardiography). Our method is automatic and requires as initialization a single pixel within the boundaries of the object. Existing segmentation techniques either require much more information during initialization, such as an approximation to the object‘s boundary, o作者: Culpable 時間: 2025-4-1 10:20
