Simulation of object and human skin formations in a grasping task

Gourret, Jean Paul; Thalmann, Nadia Magnenat; Thalmann, Daniel

doi:10.1145/74333.74335

Cited by 86 publications

(2 citation statements)

References 16 publications

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“…They achieve significant speedup by simulating only the visible surface nodes (condensation), similar to the Boundary element method (BEM) (see Section 3.4). Many other studies successfully apply the FEM to surgery simulation, such as (but surely not limited to) [46][47][48][49][50][51][52][53][54].…”

Section: The Finite Element Methodsmentioning

confidence: 99%

Physically Based Deformable Models in Computer Graphics

Nealen

Müller

Keiser

et al. 2006

Computer Graphics Forum

615

423

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Physically based deformable models have been widely embraced by the Computer Graphics community. Many problems outlined in a previous survey by Gibson and Mirtich have been addressed, thereby making these models interesting and useful for both offline and real-time applications, such as motion pictures and video games. In this paper, we present the most significant contributions of the past decade, which produce such impressive and perceivably realistic animations and simulations: finite element/difference/volume methods, mass-spring systems, mesh-free methods, coupled particle systems and reduced deformable models-based on modal analysis. For completeness, we also make a connection to the simulation of other continua, such as fluids, gases and melting objects. Since time integration is inherent to all simulated phenomena, the general notion of time discretization is treated separately, while specifics are left to the respective models. Finally, we discuss areas of application, such as elastoplastic deformation and fracture, cloth and hair animation, virtual surgery simulation, interactive entertainment and fluid/smoke animation, and also suggest areas for future research.

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Section: The Finite Element Methodsmentioning

confidence: 99%

Physically Based Deformable Models in Computer Graphics

Nealen

Müller

Keiser

et al. 2006

Computer Graphics Forum

615

423

View full text Add to dashboard Cite

show abstract

“…Garre et al [41] built a rigid-soft coupled hand that includes skeletal bone and a deformable flesh based on layered deformable models [60], [61]. As shown in Fig.…”

Section: Multi-layer Hand Modelmentioning

confidence: 99%

Survey on Hand-Based Haptic Interaction for Virtual Reality

Tong

Wei

Zhang

et al. 2023

IEEE Trans. Haptics

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Interacting with virtual objects with haptic feedback directly using the user's hand (hand-based haptic interaction) has attracted increasing attention. Due to the high degrees of freedom of the hand, compared with tool-based interactive simulation using a pen-like haptic proxy, hand-based haptic simulation faces greater challenges, mainly including higher motion mapping and modeling difficulty of deformable hand avatars, higher computational complexity of contact dynamics, and nontrivial multi-modal fusion feedback. In this paper, we aim to review key computing components for hand-based haptic simulation, and draw out major findings in this direction while analyzing the gaps toward immersive and natural hand-based haptic interaction. To this end, we investigate existing relevant studies on hand-based interaction with kinesthetic and/or cutaneous display in terms of virtual hand modeling, hand-based haptic rendering, and visuohaptic fusion feedback. By identifying current challenges, we finally highlight future perspectives in this field.

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Deformable modeling of facial tissue for craniofacial surgery simulation

Keeve

Girod

Kikinis

et al. 1998

Comput. Aided Surg.

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While deformable object modeling has been studied by computer graphics specialists for more than two decades, only a few applications in the field of surgical simulation have been developed which provide both real-time and physically realistic modeling of complex, nonlinear tissue deformations. Particularly in craniofacial surgery, the prediction of soft-tissue changes--which result from alterations in the underlying bone structure--is critical to the surgical outcome. The prediction these tissue changes and, therefore, the prognosis of the postoperative appearance of the patient, is still based on empirical studies of the relationship between bone and tissue movements: There exists no physical model which takes into account the individual patient anatomy to simulate the resulting tissue changes during craniofacial surgery. In this article we present two different deformable tissue models which are intergrated in an interactive surgical simulation test bed. Both techniques allow precise preoperative simulation of the resulting soft tissue changes during craniofacial surgery and visualization of the patient's postoperative appearance. The different deformable models are described in detail and both are applied to the same craniofacial case study. The simulation results are shown and compared with regard to the speed and accuracy of the prediction of the patient's postoperative appearance.

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Simulation of object and human skin formations in a grasping task

Cited by 86 publications

References 16 publications

Physically Based Deformable Models in Computer Graphics

Physically Based Deformable Models in Computer Graphics

Survey on Hand-Based Haptic Interaction for Virtual Reality

Deformable modeling of facial tissue for craniofacial surgery simulation

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