High Fidelity Haptic Rendering Computer Graphics And Animation

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High Fidelity Haptic Rendering

Author : Miguel A. Otaduy
Publisher : Morgan & Claypool Publishers
ISBN 13 : 1598291149
Total Pages : 113 pages
Book Rating : 4.5/5 (982 download)

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Book Synopsis High Fidelity Haptic Rendering by : Miguel A. Otaduy

Download or read book High Fidelity Haptic Rendering written by Miguel A. Otaduy and published by Morgan & Claypool Publishers. This book was released on 2006 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: The human haptic system, among all senses, provides unique and bidirectional communication between humans and their physical environment. Yet, to date, most human-computer interactive systems have focused primarily on the graphical rendering of visual information and, to a lesser extent, on the display of auditory information. Extending the frontier of visual computing, haptic interfaces, or force feedback devices, have the potential to increase the quality of human-computer interaction by accommodating the sense of touch. They provide an attractive augmentation to visual display and enhance the level of understanding of complex data sets. They have been effectively used for a number of applications including molecular docking, manipulation of nano-materials, surgical training, virtual prototyping, and digital sculpting. Compared with visual and auditory display, haptic rendering has extremely demanding computational requirements. In order to maintain a stable system while displaying smooth and realistic forces and torques, high haptic update rates in the range of 5001000 Hz or more are typically used. Haptics present many new challenges to researchers and developers in computer graphics and interactive techniques. Some of the critical issues include the development of novel data structures to encode shape and material properties, as well as new techniques for geometry processing, data analysis, physical modeling, and haptic visualization. This synthesis examines some of the latest developments on haptic rendering, while looking forward to exciting future research in this area. It presents novel haptic rendering algorithms that take advantage of the human haptic sensory modality. Specifically it discusses different rendering techniques for various geometric representations (e.g. point-based, polygonal, multiresolution, distance fields, etc), as well as textured surfaces.

High Fidelity Haptic Rendering : Computer Graphics And Animation

Author : Miguel A. Otaduy
Publisher :
ISBN 13 : 9781598294088
Total Pages : 103 pages
Book Rating : 4.2/5 (94 download)

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Book Synopsis High Fidelity Haptic Rendering : Computer Graphics And Animation by : Miguel A. Otaduy

Download or read book High Fidelity Haptic Rendering : Computer Graphics And Animation written by Miguel A. Otaduy and published by . This book was released on 2006 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt:

High Fidelity Haptic Rendering

Author : Miguel Otaduy
Publisher : Springer Nature
ISBN 13 : 3031795199
Total Pages : 103 pages
Book Rating : 4.0/5 (317 download)

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Book Synopsis High Fidelity Haptic Rendering by : Miguel Otaduy

Download or read book High Fidelity Haptic Rendering written by Miguel Otaduy and published by Springer Nature. This book was released on 2022-05-31 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: The human haptic system, among all senses, provides unique and bidirectional communication between humans and their physical environment. Yet, to date, most human-computer interactive systems have focused primarily on the graphical rendering of visual information and, to a lesser extent, on the display of auditory information. Extending the frontier of visual computing, haptic interfaces, or force feedback devices, have the potential to increase the quality of human-computer interaction by accommodating the sense of touch. They provide an attractive augmentation to visual display and enhance the level of understanding of complex data sets. They have been effectively used for a number of applications including molecular docking, manipulation of nano-materials, surgical training, virtual prototyping, and digital sculpting. Compared with visual and auditory display, haptic rendering has extremely demanding computational requirements. In order to maintain a stable system while displaying smooth and realistic forces and torques, high haptic update rates in the range of 500-1000 Hz or more are typically used. Haptics present many new challenges to researchers and developers in computer graphics and interactive techniques. Some of the critical issues include the development of novel data structures to encode shape and material properties, as well as new techniques for geometry processing, data analysis, physical modeling, and haptic visualization. This synthesis examines some of the latest developments on haptic rendering, while looking forward to exciting future research in this area. It presents novel haptic rendering algorithms that take advantage of the human haptic sensory modality. Specifically it discusses different rendering techniques for various geometric representations (e.g. point-based, polygonal, multiresolution, distance fields, etc), as well as textured surfaces. It also shows how psychophysics of touch can provide the foundational design guidelines for developing perceptually driven force models and concludes with possible applications and issues to consider in future algorithmic design, validating rendering techniques, and evaluating haptic interfaces.

Haptic Rendering for Simulation of Fine Manipulation

Author : Dangxiao Wang
Publisher : Springer
ISBN 13 : 3662449498
Total Pages : 170 pages
Book Rating : 4.6/5 (624 download)

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Book Synopsis Haptic Rendering for Simulation of Fine Manipulation by : Dangxiao Wang

Download or read book Haptic Rendering for Simulation of Fine Manipulation written by Dangxiao Wang and published by Springer. This book was released on 2014-10-17 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces the latest progress in six degrees of freedom (6-DoF) haptic rendering with the focus on a new approach for simulating force/torque feedback in performing tasks that require dexterous manipulation skills. One of the major challenges in 6-DoF haptic rendering is to resolve the conflict between high speed and high fidelity requirements, especially in simulating a tool interacting with both rigid and deformable objects in a narrow space and with fine features. The book presents a configuration-based optimization approach to tackle this challenge. Addressing a key issue in many VR-based simulation systems, the book will be of particular interest to researchers and professionals in the areas of surgical simulation, rehabilitation, virtual assembly, and inspection and maintenance.

Haptic Rendering

Author : Ming C. Lin
Publisher : CRC Press
ISBN 13 : 1439865140
Total Pages : 623 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis Haptic Rendering by : Ming C. Lin

Download or read book Haptic Rendering written by Ming C. Lin and published by CRC Press. This book was released on 2008-07-25 with total page 623 pages. Available in PDF, EPUB and Kindle. Book excerpt: For a long time, human beings have dreamed of a virtual world where it is possible to interact with synthetic entities as if they were real. It has been shown that the ability to touch virtual objects increases the sense of presence in virtual environments. This book provides an authoritative overview of state-of-theart haptic rendering algorithms

Haptic Rendering

Author : Ming C. Lin
Publisher : A K Peters/CRC Press
ISBN 13 :
Total Pages : 634 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Haptic Rendering by : Ming C. Lin

Download or read book Haptic Rendering written by Ming C. Lin and published by A K Peters/CRC Press. This book was released on 2008-07-25 with total page 634 pages. Available in PDF, EPUB and Kindle. Book excerpt: For a long time, human beings have dreamed of a virtual world where it is possible to interact with synthetic entities as if they were real. It has been shown that the ability to touch virtual objects increases the sense of presence in virtual environments. This book provides an authoritative overview of state-of-theart haptic rendering algorithms and their applications. The authors examine various approaches and techniques for designing touch-enabled interfaces for a number of applications, including medical training, model design, and maintainability analysis for virtual prototyping, scientific visualization, and creative processes.

Real-Time Massive Model Rendering

Author : Sung-eui Yoon
Publisher : Springer Nature
ISBN 13 : 3031795318
Total Pages : 112 pages
Book Rating : 4.0/5 (317 download)

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Book Synopsis Real-Time Massive Model Rendering by : Sung-eui Yoon

Download or read book Real-Time Massive Model Rendering written by Sung-eui Yoon and published by Springer Nature. This book was released on 2022-06-01 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interactive display and visualization of large geometric and textured models is becoming a fundamental capability. There are numerous application areas, including games, movies, CAD, virtual prototyping, and scientific visualization. One of observations about geometric models used in interactive applications is that their model complexity continues to increase because of fundamental advances in 3D modeling, simulation, and data capture technologies. As computing power increases, users take advantage of the algorithmic advances and generate even more complex models and data sets. Therefore, there are many cases where we are required to visualize massive models that consist of hundreds of millions of triangles and, even, billions of triangles. However, interactive visualization and handling of such massive models still remains a challenge in computer graphics and visualization. In this monograph we discuss various techniques that enable interactive visualization of massive models. These techniques include visibility computation, simplification, levels-of-detail, and cache-coherent data management.We believe that the combinations of these techniques can make it possible to interactively visualize massive models in commodity hardware. Table of Contents: Introduction / Visibility / Simplification and Levels of Detail / Alternative Representations / Cache-Coherent Data Management / Conclusions / Bibliography

Fundamental Challenges in Haptics

Author : Arash Mohtat
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (98 download)

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Book Synopsis Fundamental Challenges in Haptics by : Arash Mohtat

Download or read book Fundamental Challenges in Haptics written by Arash Mohtat and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "Kinesthetic haptic applications deliver graphics, sound and force feedback to enable the human operator to interact with objects within a virtual world. The force feedback sensation, in particular, is created by a haptic device that displays the forces arising from this interaction. These forces must accurately emulate a real contact interaction, an objective which is commonly referred to as high-fidelity force feedback rendering. Achieving this objective can be quite challenging, for at least two main reasons. The first stems from the very special stability requirements due to the sampled-data nature of a haptic system and the presence of the human in the loop, while the second can be attributed to the difficult nature of modeling contact interaction in mechanics.In this thesis, a special attention has been given to the non-idealities associated with the sampled-data implementation reflected at the energy level, i.e. energy leaks, and their influence on the stability and passivity of the haptic system. It is proposed to avoid the generation of energy leaks, as much as possible, via modified force feedback laws. This novel notion is entitled as energy-consistent rendering, and the smooth-correction leak-dissipation (SCLD) strategy is developed to achieve it. The range of applicability of this method is studied via a renderability analysis framework under different uncertainty assumptions regarding the human influence on the stability of the overall system. Stability charts are constructed in the nondimensionalized stiffness plane for a canonical virtual spring-mass-damper system. This can be considered a generalization of the concepts of Z-width and M-width in relation to virtual walls and virtual masses.For accurate modeling of the interaction, on the other hand, different custom combination of contact representations geared toward haptic rendering are also studied, under different paradigms for connecting the physical domain to the virtual domain. A unified handling of colliding contact and sustained contact via a hybrid penalty-and-impulse-based formulation is developed that leads to a natural transition between contact formulations. This framework is a first step toward looking at contact methods from a unified control-oriented perspective, and is entitled as the generalized contact controller. A haptic billiard game is developed to serve as a detailed case study to show how contact modeling methods can be generalized to the multiple degree-of-freedom case and customized for specific haptic rendering purposes." --

Practical Global Illumination with Irradiance Caching

Author : Jaroslav Krivanek
Publisher : Springer Nature
ISBN 13 : 3031795407
Total Pages : 134 pages
Book Rating : 4.0/5 (317 download)

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Book Synopsis Practical Global Illumination with Irradiance Caching by : Jaroslav Krivanek

Download or read book Practical Global Illumination with Irradiance Caching written by Jaroslav Krivanek and published by Springer Nature. This book was released on 2022-05-31 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: Irradiance caching is a ray tracing-based technique for computing global illumination on diffuse surfaces. Specifically, it addresses the computation of indirect illumination bouncing off one diffuse object onto another. The sole purpose of irradiance caching is to make this computation reasonably fast. The main idea is to perform the indirect illumination sampling only at a selected set of locations in the scene, store the results in a cache, and reuse the cached value at other points through fast interpolation. This book is for anyone interested in making a production-ready implementation of irradiance caching that reliably renders artifact-free images. Since its invention 20 years ago, the irradiance caching algorithm has been successfully used to accelerate global illumination computation in the Radiance lighting simulation system. Its widespread use had to wait until computers became fast enough to consider global illumination in film production rendering. Since then, its use is ubiquitous. Virtually all commercial and open-source rendering software base the global illumination computation upon irradiance caching. Although elegant and powerful, the algorithm in its basic form often fails to produce artifact-free mages. Unfortunately, practical information on implementing the algorithm is scarce. The main objective of this book is to show the irradiance caching algorithm along with all the details and tricks upon which the success of its practical implementation is dependent. In addition, we discuss some extensions of the basic algorithm, such as a GPU implementation for interactive global illumination computation and temporal caching that exploits temporal coherence to suppress flickering in animations. Our goal is to show the material without being overly theoretical. However, the reader should have some basic understanding of rendering concepts, ray tracing in particular. Familiarity with global illumination is useful but not necessary to read this book. Table of Contents: Introduction to Ray Tracing and Global Illumination / Irradiance Caching Core / Practical Rendering with Irradiance Caching / Irradiance Caching in a Complete Global Illumination / Irradiance Caching on Graphics Hardware / Temporal Irradiance Caching

Interactive Shape Design

Author : Marie-Paule Cani
Publisher : Springer Nature
ISBN 13 : 3031795342
Total Pages : 81 pages
Book Rating : 4.0/5 (317 download)

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Book Synopsis Interactive Shape Design by : Marie-Paule Cani

Download or read book Interactive Shape Design written by Marie-Paule Cani and published by Springer Nature. This book was released on 2022-05-31 with total page 81 pages. Available in PDF, EPUB and Kindle. Book excerpt: Providing an intuitive modeling system, which would enable us to communicate about any free-form shape we have in mind at least as quickly as with real-world tools, is one of the main challenges of digital shape design. The user should ideally be able to create, deform, and progressively add details to a shape, without being aware of the underlying mathematical representation nor being tied by any constraint on the geometrical or topological nature of the model. This book presents the field of interactive shape design from this perspective. Since interactively creating a shape builds on the humans ability of modeling by gesture, we note that the recent advances in interactive shape design can be classified as those that rely on sculpting as opposed to sketching metaphors. Our synthetic presentation of these strategies enables us to compare the different families of solutions, discuss open issues, and identify directions for future research. Table of Contents: Introduction / Sculpting Metaphors / Sketching Systems / Future Directions: Modeling by Gesture

High Dynamic Range Video

Author : Karol Myszkowski
Publisher : Morgan & Claypool Publishers
ISBN 13 : 1598292145
Total Pages : 171 pages
Book Rating : 4.5/5 (982 download)

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Book Synopsis High Dynamic Range Video by : Karol Myszkowski

Download or read book High Dynamic Range Video written by Karol Myszkowski and published by Morgan & Claypool Publishers. This book was released on 2008 with total page 171 pages. Available in PDF, EPUB and Kindle. Book excerpt: As new displays and cameras offer enhanced color capabilities, there is a need to extend the precision of digital content. High Dynamic Range (HDR) imaging encodes images and video with higher than normal 8 bit-per-color-channel precision, enabling representation of the complete color gamut and the full visible range of luminance.However, to realize transition from the traditional to HDRimaging, it is necessary to develop imaging algorithms that work with the high-precision data. To make such algorithms effective and feasible in practice, it is necessary to take advantage of the limitations of the human visual system by aligning the data shortcomings to those of the human eye, thus limiting storage and processing precision. Therefore, human visual perception is the key component of the solutions we discuss in this book.

Wang Tiles in Computer Graphics

Author : Ares Lagae
Publisher : Springer Nature
ISBN 13 : 3031795377
Total Pages : 79 pages
Book Rating : 4.0/5 (317 download)

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Book Synopsis Wang Tiles in Computer Graphics by : Ares Lagae

Download or read book Wang Tiles in Computer Graphics written by Ares Lagae and published by Springer Nature. This book was released on 2022-06-01 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many complex signals in computer graphics, such as point distributions and textures, cannot be efficiently synthesized and stored. This book presents tile-based methods based on Wang tiles and corner tiles to solve both these problems. Instead of synthesizing a complex signal when needed, the signal is synthesized beforehand over a small set of Wang tiles or corner tiles. Arbitrary large amounts of that signal can then efficiently be generated when needed by generating a stochastic tiling, and storing only a small set of tiles reduces storage requirements. A tile-based method for generating a complex signal consists of a method for synthesizing the signal over a set of Wang tiles or corner tiles, and a method for generating a stochastic tiling using the set of tiles. The method for generating a stochastic tiling using the set of tiles is independent of the signal. This book covers scanline stochastic tiling algorithms and direct stochastic tiling algorithms for Wang tiles and corner tiles. The method for synthesizing the signal over a set of tiles is dependent on the signal. This book covers tile-based methods for texture synthesis and for generating Poisson disk distributions. This book also explores several applications such as tile-based texture mapping and procedural modeling and texturing. Although the methods for constructing a complex signal over a set of Wang tiles or corner tiles are dependent on the signal, the general idea behind these methods generalizes to other kinds of signals. The methods presented in this book therefore have the potential to make the generation and storage of almost any complex signal efficient. Table of Contents: Introduction / Wang Tiles and Corner Tiles / Tiling Algorithms for Wang Tiles and Corner Tiles / Tile-Based Methods for Texture Synthesis / Tile-Based Methods Generating Poisson Disk Distributions / Applications of Poisson Disk Distributions

Virtual Crowds

Author : Nuria Palechano
Publisher : Springer Nature
ISBN 13 : 3031792424
Total Pages : 176 pages
Book Rating : 4.0/5 (317 download)

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Book Synopsis Virtual Crowds by : Nuria Palechano

Download or read book Virtual Crowds written by Nuria Palechano and published by Springer Nature. This book was released on 2022-05-31 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: There are many applications of computer animation and simulation where it is necessary to model virtual crowds of autonomous agents. Some of these applications include site planning, education, entertainment, training, and human factors analysis for building evacuation. Other applications include simulations of scenarios where masses of people gather, flow, and disperse, such as transportation centers, sporting events, and concerts. Most crowd simulations include only basic locomotive behaviors possibly coupled with a few stochastic actions. Our goal in this survey is to establish a baseline of techniques and requirements for simulating large-scale virtual human populations. Sometimes, these populations might be mutually engaged in a common activity such as evacuation from a building or area; other times they may be going about their individual and personal agenda of work, play, leisure, travel, or spectator. Computational methods to model one set of requirements may not mesh well with good approaches to another. By including both crowd and individual goals and constraints into a comprehensive computational model, we expect to simulate the visual texture and contextual behaviors of groups of seemingly sentient beings. Table of Contents: Introduction / Crowd Simulation Methodology Survey / Individual Differences in Crowds / Framework (HiDAC + MACES + CAROSA) / HiDAC: Local Motion / MACES: Wayfinding with Communication and Roles / CAROSA: Functional Crowds / Initializing a Scenario / Evaluating Crowds

High Dynamic Range Video

Author : Karol Myszkowski
Publisher : Springer Nature
ISBN 13 : 3031795288
Total Pages : 158 pages
Book Rating : 4.0/5 (317 download)

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Book Synopsis High Dynamic Range Video by : Karol Myszkowski

Download or read book High Dynamic Range Video written by Karol Myszkowski and published by Springer Nature. This book was released on 2022-05-31 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: As new displays and cameras offer enhanced color capabilities, there is a need to extend the precision of digital content. High Dynamic Range (HDR) imaging encodes images and video with higher than normal 8 bit-per-color-channel precision, enabling representation of the complete color gamut and the full visible range of luminance.However, to realize transition from the traditional toHDRimaging, it is necessary to develop imaging algorithms that work with the high-precision data. Tomake such algorithms effective and feasible in practice, it is necessary to take advantage of the limitations of the human visual system by aligning the data shortcomings to those of the human eye, thus limiting storage and processing precision. Therefore, human visual perception is the key component of the solutions we discuss in this book. This book presents a complete pipeline forHDR image and video processing fromacquisition, through compression and quality evaluation, to display. At the HDR image and video acquisition stage specialized HDR sensors or multi-exposure techniques suitable for traditional cameras are discussed. Then, we present a practical solution for pixel values calibration in terms of photometric or radiometric quantities, which are required in some technically oriented applications. Also, we cover the problem of efficient image and video compression and encoding either for storage or transmission purposes, including the aspect of backward compatibility with existing formats. Finally, we review existing HDR display technologies and the associated problems of image contrast and brightness adjustment. For this purpose tone mapping is employed to accommodate HDR content to LDR devices. Conversely, the so-called inverse tone mapping is required to upgrade LDR content for displaying on HDR devices. We overview HDR-enabled image and video quality metrics, which are needed to verify algorithms at all stages of the pipeline. Additionally, we cover successful examples of the HDR technology applications, in particular, in computer graphics and computer vision. The goal of this book is to present all discussed components of the HDR pipeline with the main focus on video. For some pipeline stages HDR video solutions are either not well established or do not exist at all, in which case we describe techniques for single HDR images. In such cases we attempt to select the techniques, which can be extended into temporal domain. Whenever needed, relevant background information on human perception is given, which enables better understanding of the design choices behind the discussed algorithms and HDR equipment. Table of Contents: Introduction / Representation of an HDR Image / HDR Image and Video Acquisition / HDR Image Quality / HDR Image, Video, and Texture Compression / Tone Reproduction / HDR Display Devices / LDR2HDR: Recovering Dynamic Range in Legacy Content / HDRI in Computer Graphics / Software

Video-Based Rendering

Author : Marcus A. Magnor
Publisher : CRC Press
ISBN 13 : 1439865701
Total Pages : 218 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis Video-Based Rendering by : Marcus A. Magnor

Download or read book Video-Based Rendering written by Marcus A. Magnor and published by CRC Press. This book was released on 2005-08-08 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: Driven by consumer-market applications that enjoy steadily increasing economic importance, graphics hardware and rendering algorithms are a central focus of computer graphics research. Video-based rendering is an approach that aims to overcome the current bottleneck in the time-consuming modeling process and has applications in areas such as comput

High Dynamic Range Image Reconstruction

Author : Asla Sa
Publisher : Springer Nature
ISBN 13 : 3031795229
Total Pages : 53 pages
Book Rating : 4.0/5 (317 download)

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Book Synopsis High Dynamic Range Image Reconstruction by : Asla Sa

Download or read book High Dynamic Range Image Reconstruction written by Asla Sa and published by Springer Nature. This book was released on 2022-05-31 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt: High dynamic range imaging (HDRI) is an emerging field that has the potential to cause a great scientific and technological impact in the near future. Although new, this field is large and complex, with non-trivial relations to many different areas, such as image synthesis, computer vision, video and image processing, digital photography, special effects among others. For the above reasons,HDRI has been extensively researched over the past years and, consequently, the related scientific literature is vast. As an indication that the field is reaching maturity, tutorials and books on HDRI appeared. Moreover, this new resource has already reached interested practitioners in various application areas. In this book, we do not aim at covering the whole field of high dynamic range imaging and its applications, since it is a broad subject that is still evolving. Instead, our intent is to cover the basic principles behind HDRI and focus on one of the currently most important problems, both theoretically and practically. That is, the reconstruction of high dynamic range images from regular low dynamic range pictures. Table of Contents: Introduction / Digital Image / Imaging Devices and Calibration / HDR Reconstruction / HDRI Acquisition and Visualization / Tone Enhancement / References / Biography

Haptics Rendering and Applications

Author : Abdulmotaleb El Saddik
Publisher : BoD – Books on Demand
ISBN 13 : 9533078979
Total Pages : 250 pages
Book Rating : 4.5/5 (33 download)

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Book Synopsis Haptics Rendering and Applications by : Abdulmotaleb El Saddik

Download or read book Haptics Rendering and Applications written by Abdulmotaleb El Saddik and published by BoD – Books on Demand. This book was released on 2012-01-27 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: There has been significant progress in haptic technologies but the incorporation of haptics into virtual environments is still in its infancy. A wide range of the new society's human activities including communication, education, art, entertainment, commerce and science would forever change if we learned how to capture, manipulate and reproduce haptic sensory stimuli that are nearly indistinguishable from reality. For the field to move forward, many commercial and technological barriers need to be overcome. By rendering how objects feel through haptic technology, we communicate information that might reflect a desire to speak a physically- based language that has never been explored before. Due to constant improvement in haptics technology and increasing levels of research into and development of haptics-related algorithms, protocols and devices, there is a belief that haptics technology has a promising future.