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In the field of computer animation the process of creating an animated character is usually a long and tedious task. An animation character is usually efined by a 3D mesh (a set of triangles in the space) that gives its external appearance or shape to the character. It also used to have an inner structure, the skeleton. When a skeleton is associated to a character mesh, this association is called skeleton binding, and a skeleton bound to a character mesh is an animation rig. Rigging from scratch a character can be a very boring process. The definition and creation of a centered skeleton together with the 'painting', by an artist,of the influence parameters between the skeleton and the mesh (the skinning) s the most demanding part to achieve an acceptable behavior for a character. This rigging process can be simplified and accelerated using an automatic rigging method. Automatic rigging methods consist in taking as input a 3D mesh, generate a skeleton based in the shape of the original model, bound the input mesh to the generated skeleton, and finally to compute a set of parameters based in a chosen skinning method. The main objective of this thesis is to generate a method for rigging a 3D arbitrary model with minimum user interaction. This can be useful to people without experience in the animation field or to experienced people to accelerate the rigging process from days to hours or minutes depending the needed quality. Having in mind this situation we have designed our method as a set of tools that can be applied to general input models defined by an artist. The contributions made in the development of this thesis can be summarized as: · Generation of an animation Rig: Having an arbitrary closed mesh we have implemented a thinning method to create first an unrefined geometry skeleton that captures the topology and pose of the input character. Using this geometric skeleton as starting point we use a refining method that creates an adjusted logic skeleton based in a template, or may be defined by the user, that is compatible with the current animation formats. The output logic skeleton is specific for each character, and it is bounded to the input mesh to create an animation rig. · Skinning: Having defined an animation rig for an arbitrary mesh we have developed an improved skinning method; this method is based on the Linear Blend Skinning(LBS) algorithm. Our contributions in the skinning field can be sub-divided in: – We propose a segmentation method that works as the core element in a weight assigning algorithm and a skinning lgorithm, we also have developed an automatic algorithm to compute the skin weights of the LBS Skinning of a rigged polygonal mesh. – Our proposed skinning algorithm uses as base the features of the LBS Skinning. The main purpose of the developed algorithm is to solve the well-known "candy wrap" artifact; that produces a substantial loss of volume when a link of an animation skeleton is rotated over its own axis. We have compared our results with the most important methods in the skinning field, such as Dual Quaternion Skinning (DQS) and LBS, achieving a better performance over DQS and an improvement in quality over LBS. · Animation tools: We have developed a set of Autodesk Maya commands that works together as rig tool, using our previous proposed methods. · Animation loader: Moreover, an animation loader tool has been implemented, that allows the user to load animations from a skeleton with different structure to a rigged 3D model. The contributions previously described has been published in 3 research papers, the first two were presented in international congresses and the third one was acepted for its publication in an JCR indexed journal.
Leverage expert advice, step-by-step guidance, and comprehensive visual aids to pave your way towards excellence in the art of 3D character rigging with the help of this part-color guide Key Features Learn how to use automatic and manual weight painting to merge skin and bone Enhance any rig with a sweeping host of automatic controls and aids for animation Keep your rigs efficient and clean for an optimal end user experience Purchase of the print or Kindle book includes a free PDF eBook Book DescriptionIn the intricate world of 3D character rigging with Blender, aspiring artists often find themselves grappling with the daunting challenge of achieving results akin to seasoned professionals. This book is your guide to overcoming that very challenge, providing you with the necessary knowledge and skills to excel in this complex art form. As you embark on this creative journey, this book will guide you through a carefully crafted flow. Beginning with the basics, the first part of the book will teach you how to add structure to an empty canvas and master the art of weight painting in Blender. You'll delve into the intricacies of rigging humanoid characters, gain a deep understanding of the essential buttons and techniques, and discover invaluable success-boosting tips. Starting with simple mesh deformation using a single bone, you'll progress steadily toward the mastery of fully rigging a human character, all while comprehending the reasons behind each step in the process. Furthermore, the book leaves you with a selection of advanced techniques, fully explained, paving the way for a natural progression in your artistic journey and allowing you to continuously refine and enhance your skills. By the end of the book, you'll excel at crafting character rigs, seamlessly meeting professional pipeline demands in diverse teams and studios.What you will learn Understand the basic terminology of rigging and learn how to create and modify rigs Find out how bones interact with topology Get to grips with weight painting through the mesh Know when and how to add constraints such as Inversion Kinetics, Point To, and Child Of Make rigs visually appealing with advanced techniques such as shape keys and bone drivers Familiarize yourself with advanced techniques used by industry leaders Who this book is for If you are an animator, modeler, or someone who wants to start rigging with a solid foundation, then this book is for you. You’ll need no prior knowledge of Blender to get started with this book, as we’ll go step by step with shortcuts and UI pointers provided.
Gain the insights and techniques you need to give life to your own custom characters, machines, and scenes in Blender 3D About This Book Learn how to establish the basic shape of a character on the basis of templates, and take it to completion using the tools available in Blender Develop realistic and awesome machines for your 3D projects and animation films Discover advanced techniques by adding fur to a character, creating a grass field, and fine-tuning a shot with post-processing effects to enhance your creations Who This Book Is For This learning path is for those who know the basics of Blender and have hands-on experience with the software. We will directly dive into creating characters first. If you wish to use Blender to create games, animated films, and architecture simulations, this learning path will benefit you. What You Will Learn Use your sculpting skills to carve the character features from the mesh Find the best possible flow for your edge-loops to enhance the character features and to get the best possible range of deformation Mix both the Blender Internal and Cycles rendering engines in order to render materials as quickly as possible Know when and where to use various types of geometry—something that saves time in one instance will pose significant problems in another Create a 3D robot toy model from start to finish using the basic modeling tools of Blender Make a full alien character using the skin mesh modifier and the sculpting tools with an artistic approach Use re-topology techniques to create a clean 3D version of the previously sculpted alien Model a full haunted house and its environment using more advanced modeling tools and techniques such as the Array Modifier, Instance duplication, and Curves In Detail Blender 3D is one of the top 3D animation software available. As the Blender software grows more powerful and popular, there is a demand to take your modeling skills to the next level. This learning path is divided into three modules that will take you on this incredible journey of creating games. The first module will take you on a journey to understand the workflow normally used to create characters, from the modeling to the rendering stages, using the tools of the last official release of Blender exclusively. You will be making production-quality 3D models and characters quickly and efficiently, which will be ready to be added to your very own animated feature or game. The second module will help you develop a comprehensive skill set that covers the key aspects of mechanical modeling. You will create many types of projects, including a pistol, spacecraft, robot, and a racer. By the end of this module, you will have mastered a workflow that you will be able to apply to your own creations. The final module will help you to create many types of projects using a step-by-step approach. Each project in this module will give you more practice and increase your knowledge of the Blender tools and game engine. This learning path combines some of the best that Packt has to offer in one complete, curated package. It includes content from the following Packt products: Blender 3D Cookbook, Second Edition by Enrico Valenza Blender 3D Incredible Machines, Second Edition by Christopher Kuhn Blender 3D By Example by Romain Caudron and Pierre-Armand Nicq Style and approach This easy-to-follow course will teach you how to create complex 3D characters, create incredible machines, and put them together to create a 3D scene. Each topic is explained sequentially in the process of creating various models, and includes detailed explanations of the basic and advanced features.
Blender is a powerful and free 3D animation and rendering package; one of its best uses is the rigging of characters. In this lesson, Ron Friedman shows us how to create the basic bones in a human skeleton and set up inverse kinematics to keep the movement of our character realistic-keeping the feet on the ground as you move the body, for example. He'll also show us how to add controller shapes to make selections easier to perform and the bones' purposes easier to understand. Then, Ron will duplicate the left-side bones over onto the right side in order to create a complete skeleton (with half the work!) and attach the mesh to the bones. By the end of the course, you'll be able to give your character the rigging that it needs to be animated however you choose.
An examination of the various types of human-modeled technology, Advances in Applied Human Modeling and Simulation not only covers the type of models available, but how they can be applied to solve specific problems. These models provide a representation of some human aspects that can be inserted into simulations or virtual environments and facilitate prediction of safety, satisfaction, usability, performance, and sustainability. Topics include: Anthropometry and human functional data Biomechanics, occupational safety, comfort and discomfort Biometric authentications Driving safety and human performance Enhancing human capabilities through aids or training Fuzzy systems and neural computing Human behavior and risk assessment modeling Integrating software with humans and systems International cooperation in education and engineering research Intelligent agents in decision training Intelligent data and text mining Machine learning and human factors Modeling physical aspects of work Monitoring systems and human decision Psychophysiological indicators of emotion Resilience engineering and human reliability Scenario-based performance in distributed enterprises Special populations Sustainability, earth sciences and engineering System-of-systems architecting and engineering Verification and validation Virtual interactive design and assessment The math and science provides a foundation for visualizations that can facilitate decision making by technical experts, management or those responsible for public policy. In considering a systems perspective and decisions that affect performance, these models provide opportunities for an expanded role of engineers and HF/E specialists to meet technical challenges worldwide. They can also be used to improve time-to-market, increase safety and ultimately the effectiveness of an organization. The book focuses on applications of these newly developed models and predictive capabilities useful to human factors and ergonomics engineers, cognitive engineers, human computer interaction engineers, human performance modeling engineers, and students in related fields.
Rig it Right! breaks down rigging so that you can achieve a fundamental understanding of the concept. The author will get you up and rigging with step-by-step tutorials covering multiple animation control types, connection methods, interactive skinning, BlendShapes, edgeloops, and joint placement, to name a few. The concept of a bi-ped is explored as a human compared to a bird character allowing you to see that a bi-ped is a bi-ped and how to problem solve for the limbs at hand. Rig it Right! will take you to a more advanced level where you will learn how to create stretchy rigs with invisible control systems and use that to create your own types of rigs. Key Features Hone your skills every step of the way with short tutorials and editable rigs that accompany each chapter. (17+ rigs!!). Read "Tina’s 10 Rules of Rigging" and build the foundational knowledge needed to successfully rig your characters. Visit the companion website and expand your newfound knowledge with editable rigs, exercises, and videos that elaborate on techniques covered in the book. Companion data filled with example files at http://routledgetextbooks.com/textbooks/_author/ohailey/ AR(Augmented Reality) enabled images throughout the book! Coffee is not required – but encouraged.
More than just a step-by-step tutorial on rigging in Maya, "Inspired 3D Advanced Rigging and Deformations" helps you develop the skills you need to successfully manage your rigging process from start to finish. You'll learn the reasons behind each step in developing a character rig and learn how that rig fits into the entire pipeline process. The authors provide a unique glimpse at the real-world problems and choices that professional Character Technical Directors face, as well as the solutions they have developed for dealing with high-end digital characters. A follow-up to "Inspired 3D Character Setup," this book takes this difficult and sough-after skill and provides in-depth explanations and techiques.
With contributions from an international group of authors with diverse backgrounds, this set comprises all fourteen volumes of the proceedings of the 4th AHFE Conference 21-25 July 2012. The set presents the latest research on current issues in Human Factors and Ergonomics. It draws from an international panel that examines cross-cultural differences, design issues, usability, road and rail transportation, aviation, modeling and simulation, and healthcare.
This proceedings volume presents the latest research from the worldwide mass customization & personalization (MCP) community bringing together new thoughts and results from various disciplines within the field. The chapters are based on papers from the MCPC 2017. The book showcases research and practice from authors that see MCP as an opportunity to extend or even revolutionize current business models. The current trends of Industrie 4.0, digital manufacturing, and the rise of smart products allow for a fresh perspective on MCP: Customization 4.0. The book places a new set of values in the centre of the debate: a world with finite resources, global population growth, and exacerbating climate change needs smart thinking to engage the most effective capabilities and resources. It discusses how Customization 4.0 fosters sustainable development and creates shared value for companies, customers, consumers, and the society as a whole. The chapters of this book are contributed by a wide range of specialists, offering cutting-edge research, as well as insightful advances in industrial practice in key areas. The MCPC 2017 has a strong focus on real life MCP applications, and this proceedings volume reflects this. MCP strategies aim to profit from the fact that people are different. Their objective is to turn customer heterogeneities into opportunities, hence addressing “long tail” business models. The objective of MCP is to provide goods and services that best serve individual customers’ needs with near mass production efficiency. This proceedings volume highlights the interdisciplinary work of thought leaders, technology developers, and researchers with corporate entrepreneurs putting these strategies into practice. Chapter 24 is open access under a CC BY 4.0 license via link.springer.com.
"No other book to date presents facial animation concepts, theory, and practical application with the authority that Stop Staring does." —TIEM Design Crafting believable facial animation is one of the most challenging, yet rewarding aspects of 3D graphics. Done right, this art breathes life into otherwise deadpan faces. In this extraordinary book, professional animator Jason Osipa teaches you how to achieve realistic facial modeling and animation. Using detailed practical examples complemented with high-quality images and a touch of humor, Osipa leads you from design and modeling to rigging and animation. The CD and full-color insert demonstrate techniques you can use to fine-tune your facial animations. Reviewed and approved by Alias|Wavefront, Stop Staring: Facial Modeling and Animation Done Right, uses the Academy Award(r) winning Maya(r) 3D animation and effects software as the focus for its examples, yet the principles and techniques are described in ways that will be helpful to anyone working on facial modeling and animation. Mastering the Face Start out by getting familiar with the range of possible facial expressions, then focus on animating and modeling the mouth, eyes and brows. When you're ready to bring it all together, you can generate a scene from concept to completion. Topics covered include: Understanding how the whole face affects expression Learning visimes and lip sync techniques Constructing a mouth and mouth keys Building emotion through the eyes and brows Building interfaces to easily connect and control your models Skeletal setup, weighting, and rigging Note: CD-ROM/DVD and other supplementary materials are not included as part of eBook file.