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检索条件"任意字段=24th International ACM Conference on 3D Web Technology, Web3D 2019"

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SpiderGL: A JavaScript 3d graphics library for next-generation WWW 10

SpiderGL: A JavaScript 3D graphics library for next-generati...

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15th international conference on web 3d technology, web3d 2010

作者： di Benedetto, Marco Ponchio, Federico Ganovelli, Fabio Scopigno, Roberto Visual Computing Lab. ISTI-CNR France

ISBN: (纸本)9781450302098

thanks to the webGL graphics API specification for the JavaScript programming language, the possibility of using the GPU capabilities in a web browser without the need for an ad-hoc plug-in is now coming true. this paper introduces SpiderGL, a JavaScript library for developing 3d graphics web applications. SpiderGL provides data structures and algorithms to ease the use of webGL, to define and manipulate shapes, to import 3d models in various formats, to handle asynchronous data loading. We show the potential of this novel library with a number of demo applications. Furthermore, we introduce MeShade, a SpiderGL-based web application for shader material editing from within the web browser, which produces all the code needed for embedding interactive 3d model visualization capabilities inside web pages and online repositories. © 2010 acm.

关键词： web browsers

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Extending the web3d: design of conventional GUI libraries in X3d 10

Extending the Web3D: Design of conventional GUI libraries in...

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15th international conference on web 3d technology, web3d 2010

作者： Sopin, Ivan Hamza-Lup, Felix G. Computer Science Armstrong Atlantic State University United States

ISBN: (纸本)9781450302098

Extensible 3d (X3d) modeling language is one of the leading web3d technologies. despite the rich functionality, the language does not currently provide tools for rapid development of conventional graphical user interfaces (GUIs). Every X3d author is responsible for building - from primitives - a purpose-specific set of required interface components, often for a single use. We address the challenge of creating consistent, efficient, interactive, and visually appealing GUIs by proposing the X3d User Interface (X3dUI) library. this library includes a wide range of cross-compatible X3d widgets, equipped with configurable appearance and behavior. With this library, we attempt to standardize the GUI construction across various X3d-driven projects, and improve the reusability, compatibility, adaptability, readability, and flexibility of many existing applications. © 2010 acm.

关键词： Graphical user interfaces

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dweb3d: A toolkit for developing X3d applications in a simplified environment 10

DWeb3D: A toolkit for developing X3D applications in a simpl...

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15th international conference on web 3d technology, web3d 2010

作者： Quintella, Felipe Soares, Luciano P. Raposo, Alberto B. Tecgraf DI PUC-Rio Brazil

ISBN: (纸本)9781450302098

the X3d standard is open, supported by an international consortium, mature and in constant development, but with a low adoption rate. In this work, X3d qualities and problems are discussed and correlated with other solutions. In this process it was detected some necessities in current applications and the complexity of X3d to deal with these issues. As an attempt to demonstrate that the complexity of X3d in some aspects may be reduced, the dweb3d toolkit was built. dweb3d is a toolkit to help the development of dynamic X3d applications, showing that it is possible to simplify the development process, possibly increasing the access to developers in this area. the toolkit provides tools to deal with publishing, synchronism, interactivity, multiple users management and disk persistence. © 2010 acm.

关键词： Virtual reality

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Visualization methods for molecular studies on the web platform 10

Visualization methods for molecular studies on the web platf...

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15th international conference on web 3d technology, web3d 2010

作者： Callieri, Marco Andrei, Raluca Mihaela di Benedetto, Marco Zoppè, Monica Scopigno, Roberto Visual Computing Lab. ISTI-CNR France Scuola Normale Superiore Pisa Scientific Visualization Unit IFC-CNR France Scientific Visualization Unit IFC-CNR Reunion

ISBN: (纸本)9781450302098

this work presents a technical solution for the creation of visualization schemes for biological data on the web platform. the proposed technology tries to overcome the standard approach of molecular/biochemical visualization tools, which generally provide a fixed set of visualization methods. this goal is reached by exploiting the capabilities of the webGL API and the high level objects of the SpiderGL library, these features will give the users the possibility to implement an arbitrary visualization scheme, while keeping simple the implementation process. To better explain the philosophy and capabilities of this technology, we will describe the implementation of the web version of a specific visualization method, demonstrating how it can deal with both the requirements of scientific rigor in manipulating the data and the necessity to produce flexible and appealing rendering styles. © 2010 acm.

关键词： Molecular biology

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Cognitive scaffolding in web3d learning systems: A case study for form and structure 10

Cognitive scaffolding in Web3D learning systems: A case stud...

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15th international conference on web 3d technology, web3d 2010

作者： Bacim, Felipe Polys, Nicholas Chen, Jian Setareh, Mehdi Li, Ji Ma, Lee Department of Computer Science Virginia Polytechnic Institute and State University University of Southern Mississippi United States School of Architecture + Design Virginia Polytechnic Institute State University United States

ISBN: (纸本)9781450302098

In this paper, we describe a case study in usability engineering for web3d learning systems and introduce a new step to the typical methods of the usability design. Pedagogical applications present a challenge to the usual usability engineering process in that the end-users of the system (students) cannot describe the requirements of the system. For this situation, we engage the latest evidence and principles of cognition to help map requirements to information design for an interactive learning system. Our system seeks to improve the structural understanding of architects and to teach relationships between form and structure in long-span systems. We provide both explanatory multimedia resources and interactive resources including a web-based modeling and simulation tool that aids architecture students with better understanding of the relationship between structure and form in design. We describe our design process and the system and examine the qualitative impact of the cognitive ergonomic process. this extra step in the usability design process of mapping expert knowledge to human perception and cognition can increase awareness of the requirements of a learning system and improve the effectiveness of the subsequent design. © 2010 acm.

关键词： Usability engineering

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AOI for automotive industry - a quality assessment approach combining 2d and 3d sensors 24

AOI for automotive industry - a quality assessment approach ...

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29th international acm conference on 3d web technology (web3d)

作者： Perez, Jose Ruben Pozo Llerena, Yanelys Fernandez Castilla, Yusbel Chavez Reyes, Edel Garcia Magalhaes, Luis Gonzaga Lopez, Miguel Angel Guevara CCG ZGDV Inst Comp Graph Ctr Guimaraes Portugal Univ Minho Ctr ALGORITMI Guimaraes Portugal Inst Politecn Setubal Setubal Portugal

ISBN: (纸本)9798400706899

Automated Optical Inspection (AOI) systems in industrial settings typically consist of the lighting module, the image capture module, the image processing, and the anomaly detection module. this paper presents a prototype for quality inspections in cast-iron pieces of the automotive industry, supported by Artificial Intelligence (AI) and Computer Vision (CV) algorithms. Early defect detection allows defective pieces to be routed to the recycling system helping to the green transformation of metallurgical industry. the workflow integrates 2d and 3d camera settings to enhance the defect detection process. In this study, we propose a trained model for segmenting the entire piece, and another model for detecting and classifying defects in 2d images. then, to complete the detection process, we use the collected 3d data to confirm potential defects on surfaces and to extend the search of defect in the shape of the piece. A contribution is an efficient algorithm for aligning the Computer-Aided design (CAd) model with the point cloud captured by the 3d camera. this algorithm facilitates the detection of geometric errors in areas where discrepancies between the two models exceed a certain threshold. Elements of web3d technology are introduced in a Graphical User Interface (GUI) to visualize the 3d scanner capture data (Point Cloud - image) and the results of the 3d model comparisons (CAd and Point Cloud). the paper discusses the implementation of a YOLOv5 model that shows superior performance in detecting surface defects, with an accuracy of 0.734, a mean Average Precision (mAP) at 0.50 of 0.61, an F1-Score of 0.626, and a recall of 0.546. these metrics outperform other object detection models like SSd MobilenetV2 [Liu et al. 2016;Sandler et al. 2019], Faster R-CNN [Ren et al. 2016], and Efficientdet [Tan et al. 2020] when are tested on the same dataset.

关键词： 2d-3d Real-Time Inspection Computer Vision Point Cloud CastIron Automotive Industry Automated Optical Inspection Artificial Intelligence Machine (deep) Learning Registration YOLOv5 CAd Model Iterative Closest Point web3d

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Storyboarding and pre-visualization with X3d 10

Storyboarding and pre-visualization with X3D

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15th international conference on web 3d technology, web3d 2010

作者： Jung, Yvonne Wagner, Sebastian Jung, Christoph Behr, Johannes Fellner, dieter Fraunhofer IGD TU Darmstadt Darmstadt Germany

ISBN: (纸本)9781450302098

this paper presents methods based on the open standard X3d to rapidly describe life-like characters and other scene elements in the context of storyboarding and pre-visualization. Current frameworks that employ virtual agents often rely on non-standardized pipelines and lack functionality to describe lighting, camera staging or character behavior in a descriptive and simple manner. Even though demand for such a system is high, ranging from edutainment to pre-visualization in the movie industry, few such systems exist. thereto, we present the ANSWER framework, which provides a set of interconnected components that aid a film director in the process of film production from the planning stage to post-production. Rich and intuitive user interfaces are used for scene authoring and the underlying knowledge model is populated using semantic web technologies over which reasoning is applied. this transforms the user input into animated pre-visualizations that enable a director to experience and understand certain film making decisions before production begins. In this context we also propose some extensions to the current X3d standard for describing cinematic contents. © 2010 acm.

关键词： Lighting

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XML3d - Interactive 3d graphics for the web 10

XML3D - Interactive 3D graphics for the web

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15th international conference on web 3d technology, web3d 2010

作者： Sons, Kristian Klein, Felix Rubinstein, dmitri Byelozyorov, Sergiy Slusallek, Philipp DFKI Saarbrücken Germany Saarland University Germany DFKI Saarbrücken Saarland University Germany

ISBN: (纸本)9781450302098

web technologies provide the basis to distribute digital information worldwide and in realtime but they have also established the web as a ubiquitous application platform. the web evolved from simple text data to include advanced layout, images, audio, and recently streaming video. Today, as our digital environment becomes increasingly three-dimensional (e.g. 3d cinema, 3d video, consumer 3d displays, and high-performance 3d processing even in mobile devices) it becomes obvious that we must extend the core web technologies to support interactive 3d content. Instead of adapting existing graphics technologies to the web, XML3d uses a more radical approach: We take today's web technology and try to find the minimum set of additions that fully support interactive 3d content as an integral part of mixed 2d/3d web documents. XML3d enables portable cross-platform authoring, distribution, and rendering of and interaction with 3d data. As a declarative approach XML3d fully leverages existing web technologies including HTML, Cascading Style Sheets (CSS), the document Object Model (dOM), and AJAX for dynamic content. All 3d content is exposed in the dOM, fully supporting dOM scripting and events, thus allowing web designers to easily apply their existing skills. the design of XML3d is based on modern programmable graphics hardware, e.g. supports efficient mapping to GPUs without maintaining copies. It also leverages a new approach to specify shaders independently of specific rendering techniques or graphics APIs. We demonstrated the feasibility of our approach by integrating XML3d support into two major open browser frameworks from Mozilla and webKit as well as providing a portable implementation based on JavaScript and webGL. © 2010 acm.

关键词： HTML

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A modern declarative surface shader for X3d 10

A modern declarative surface shader for X3D

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15th international conference on web 3d technology, web3d 2010

作者： Schwenk, Karsten Jung, Yvonne Behr, Johannes Fellner, dieter W. Fraunhofer IGD Germany Fraunhofer IGD TU Darmstadt Germany

ISBN: (纸本)9781450302098

this paper introduces a modern, declarative surface shader for the X3d standard that allows for a compact, expressive, and implementation-independent specification of surface appearance. X3d's Material node is portable, but its feature set has become inadequate over the last years. Explicit shader programs, on the other hand, offer the expressive power to specify advanced shading techniques, but are highly implementation-dependent. the motivation for our proposal is to bridge the gap between these two worlds - to provide X3d with renderer-independent support for modern materials and to increase interoperability with dCC tools. At the core of our proposal is the Common SurfaceShader node. this node provides no explicit shader code, only a slim declarative interface consisting of a set of parameters with clearly defined semantics. Implementation details are completely hidden and portability is maximized. It supports diffuse and glossy surface reflection, bump mapping, and perfect specular reflection and refraction. this feature set can capture the appearance of many common materials accurately and is easily mappable to the material descriptions of other software packages and file formats. To verify our claims, we have implemented and analyzed the proposed node in three different rendering pipelines: a renderer based on hardware-accelerated rasterization, an interactive ray tracer, and a path tracer. © 2010 acm.

关键词： Rasterization

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Imweb: Cross-Platform Immersiveweb Browsing for Online 3d Neuron database Exploration 24

ImWeb: Cross-Platform ImmersiveWeb Browsing for Online 3D Ne...

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24th acm international conference on Intelligent User Interfaces (IUI)

作者： Fulmer, Willis Mahmood, Tahir Li, Zhongyu Zhang, Shaoting Huang, Jian Lu, Aidong Univ N Carolina Charlotte NC 28223 USA Univ Tennessee Knoxville TN USA

ISBN: (纸本)9781450362726

web services have become one major way for people to obtain and explore information nowadays. However, web browsers currently only offer limited data analysis capabilities, especially for large-scale 3d datasets. this project presents a method of immersive web browsing (Imweb) to enable effective exploration of multiple datasets over the web with augmented reality (AR) techniques. the Imweb system allows inputs from both the web browser and AR and provides a set of immersive analytics methods for enhanced web browsing, exploration, comparison, and summary tasks. We have also integrated 3d neuron mining and abstraction approaches to support efficient analysis functions. the architecture of Imweb system flexibly separates the tasks on web browser and AR and supports smooth networking among the system, so that Imweb can be adopted by different platforms, such as desktops, large displays, and tablets. We use an online 3d neuron database to demonstrate that Imweb enables new experiences of exploring 3d datasets over the web. We expect that our approach can be applied to various other online databases and become one useful addition to future web services.

关键词： Immersive web browsing augmented reality visual analytics online database 3d neuron exploration

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