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检索条件"任意字段=23rd ACM International Conference on 3D Web Technology"

共 771 条记录，以下是1-10 订阅

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Proceedings - web3d 2018: 23rd international acm conference on 3d web technology

Proceedings - Web3D 2018: 23rd International ACM Conference ...

引用

23rd international acm conference on 3d web technology, web3d 2018

ISBN: (纸本)9781450358002

The proceedings contain 34 papers. The topics discussed include: a compact representation of relightable images for the web;mixed reality tool for training on pressure immobilization treatment of snake bite envenomation;defeating lag in network-distributed physics simulations: an architecture supporting declarative network physics representation protocols;web-based geometric acoustic simulator;rule and reuse based lightweight modeling and real time web3d rendering of forest scenes;webizing collaborative interaction space for cross reality with various human interface devices;the value of 3d models and immersive technology in planning urban density;and an architecture for distributed semantic augmented reality services.

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Enhancing Computational Thinking with 3d printing: Imagining, designing, and printing 3d objects to solve real-world problems 24

Enhancing Computational Thinking with 3D printing: Imagining...

引用

23rd Annual acm Interaction design and Children conference (IdC) - Inclusive Happiness

作者： Grizioti, Marianthi Kynigos, Chronis Nikolaou, Maria-Stella Univ Athens Educ Technol Lab Dept Educ Studies Athens Greece

ISBN: (纸本)9798400704420

Printing 3d objects is exciting and engaging for young learners. However, how can this emerging technology benefit the development of skills, such as Computational Thinking (CT) and design Thinking (dT), through a meaningful process of imagining, designing and tinkering with objects that could be used in real-world problems? Our knowledge is still limited, due to the complexity of designing 3d printable models from scratch with the existing digital tools. This paper discusses a web-based tool that enables learners to create and dynamically manipulate the behavior and properties of 3d printable models with high-level programming. This design aims to foster computational thinking, creativity, and design thinking skills as it focuses on the design process of the model, its behavior and its usage after printing. It also presents the results of a pilot study in which secondary school students engaged in a design Thinking project for designing and printing sustainable everyday objects using this design. The study revealed new kinds of educational potential of 3d printing including the understanding of complex mathematical and CT ideas that were too complicated before, and the connection of CT practices with real-world problems through the implementation of a design Thinking project with digital media.

关键词： Computational Thinking 3d printing Logo-based programming design Thinking Emerging Technologies

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An Augmented Reality application to better understand 3d Astronomy concepts in the 7th grade 23

An Augmented Reality application to better understand 3D Ast...

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23rd IEEE international conference on Advanced Learning Technologies (ICALT)

作者： Bela, Mariana Mendes, Ines Vairinhos, Mario Univ Aveiro Dept Commun & Art Aveiro Portugal

ISBN: (纸本)9798350300543

Understanding Astronomy involves the perception of 3d phenomena, most often too small or too vast to be easily interpreted or visualized. This research aims to develop and evaluate an Augmented Reality application prototype for learning 3d Astronomy concepts and phenomena in middle school. Relating the technology impact with the educational experience, this work evaluates the usability, in a real classroom context, of a developed prototype. The results revealed a high degree of acceptance and satisfaction among the students.

关键词： Augmented Reality technology mobile spatial thinking education misconceptions Physics Astronomy

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Phd Forum Abstract: Sensor Fusion for Vehicle-side and Roadside 3d Object detection and Tracking 23

PhD Forum Abstract: Sensor Fusion for Vehicle-side and Roads...

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23rd acm/IEEE international conference on Information Processing in Sensor Networks, IPSN 2024

作者： Li, Yao University of Science and Technology of China Hefei China

ISBN: (纸本)9798350362015

We focus on the sensor fusion for vehicle-side and roadside 3d object detection and tracking. Although quite a few sensor fusion algorithms have been proposed, some of which are top-ranked on various leaderboards, a systematic study on how to integrate three crucial sensors (LidAR, camera and millimeter-wave Radar sensors) to develop effective multi-modal 3d object detection and tracking for vehicle-side perception is still missing. Therefore, we first study the three sensors' strengths and weaknesses carefully, then compare several different fusion strategies to maximize their utility. Finally, based on the lessons learnt, we propose a simple yet effective multi-modal 3d object detection and tracking framework (namely EZFusion). Without fancy network modules, our proposed EZFusion makes remarkable improvements over the LidAR-only baseline, and achieves comparable performance. For intelligent transportation, far-range perception with roadside sensors is vital. The main challenge of far-range perception is performing accurate object detection and tracking under far distances (e.g., > 150m) at a low cost. To cope with such challenges, deploying both millimeter wave Radars and high-definition cameras, and fusing their data has become a common practice. Towards this goal, the first question is to conduct the association on the 2d image plane or the BEV plane. We argue that the former is more suitable because the magnitude of location errors in the perspective projection points is smaller at far distances on the 2d plane, leading to more accurate association. Thus, we first project the Radar points to the 2d plane and then associate them with the camera-based 2d object locations. Subsequently, we map the camera-based object locations to the BEV plane through inverse projection mapping (IPM) with the corresponding depth information from the Radar data. Finally, we engage a BEV tracking module to generate target trajectories. Our system is capable of achieving an average l

关键词： Cameras

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Studying the Intelligent Translation System for English Using 3d Visualisation Technologies 3

Studying the Intelligent Translation System for English Usin...

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3rd international conference on Electronic Informationtechnology and Smart Agriculture, ICEITSA 2023

作者： Zhang, Liyue Yin, Hui Li, Wei Yin, Xiaofeng Wang, Zhiyu China West Normal University Sichuan China Southwest Petroleum University Sichuan China

ISBN: (纸本)9798400716775

The aim of this study is to design English intelligent translation system based on 3d visualisation technology. B/S architecture is adopted, with the core functions on the server side and users accessing them through web browsers. Intuitive interactive experience is provided through 3d visualisation technology, and the system hierarchy and modular design improve maintainability. Advanced 3d rendering technology is used to display multi-dimensional data, and users perceive the translation process in the virtual environment. Experiments demonstrate that the system makes significant progress in improving user interaction experience and understanding of the translation process. This research provides practical ideas for the innovation of intelligent translation systems. © 2023 acm.

关键词： web browsers

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A Modularity Approach in design Science Research for Mixed Reality Learning Artifacts 23

A Modularity Approach in Design Science Research for Mixed R...

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23rd IEEE international conference on Advanced Learning Technologies (ICALT)

作者： Hensen, Benedikt Rhein Westfal TH Aachen Chair Comp Sci 5 Aachen Germany

ISBN: (纸本)9798350300543

To investigate the complex topic of technology-enhanced learning, the design science research process suggests iteratively creating many separate artifacts. This time-consuming process leads to repeated implementations of similar features in parallel artifacts. We deduced that common requirements exist in the learning scenarios which can, thus, be fulfilled as reusable modules. In this paper, we identified these requirements and present our open-source toolkit with solutions for identifying learners in a login, importing 3d content from the web and managing this downloaded content, automation of interactions with mixed reality agents as mentors, integration in existing learning infrastructures and collecting data for learning analytics. With this modular design science research approach, multiple artifacts can be developed in parallel to investigate separate use case environments and other researchers can build upon the technical solutions to concentrate on the learning concept of their own mixed reality artifact.

关键词： Mixed Reality technology-Enhanced Learning design Science Research

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development of Novel 3d Face Masks for Assessment of Face Recognition Systems 23

Development of Novel 3D Face Masks for Assessment of Face Re...

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23rd international conference of the Biometrics Special Interest Group, BIOSIG 2024

作者： Igene, Lambert Hossain, Afzal Plesh, Richard Purnapatra, Sandip Singh, Surendra Imtiaz, Masudul Schuckers, Stephanie Clarkson University Department of Electrical and Computer Engineering PotsdamNY United States

ISBN: (纸本)9798350373714

Face recognition is integral to identity management and access control systems, but the rise of biometric face recognition has raised concerns about the vulnerability of Presentation Attack detection (PAd) to various attacks. This paper focuses on developing and evaluating novel, low-cost 3d presentation attack instruments (PAIs) to test the performance of advanced biometric systems. Our PAIs include specialized bobbleheads, white resin 3d-printed masks, white filament 3d masks, masks with image projections, and projections on generic mannequin heads. This project aims to create a diverse, cost-effective PAI dataset to enhance PAd training. We evaluated the effectiveness of these 3d PAIs using three algorithms (Fraunhofer IGd, CLFM, and FaceMe) from the Liveness detection Face Competition 2021 (Livdet Face, 2021). Additionally, we conducted a comparison between PAIs and bona fide samples using the ArcFace face comparator, achieving an Imposter Attack Presentation Match Rate (IAPAR) of 70% for bobbleheads and 43% for white resin with projection. Our preliminary assessment indicates an Average Classification Error Rate (ACER) of 10.6%, demonstrating the potential of these new PAIs to improve PAd training. © 2024 IEEE.

关键词： Comparators (optical)

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Backdoor Attack on 3d Grey Image Segmentation 23

Backdoor Attack on 3D Grey Image Segmentation

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23rd IEEE international conference on data Mining (IEEE ICdM)

作者： Xu, Honghui Cai, Zhipeng Xiong, Zuobin Li, Wei Georgia State Univ Dept Comp Sci Atlanta GA 30303 USA Univ Nevada Dept Comp Sci Las Vegas NV USA

ISBN: (纸本)9798350307887

3d grey image segmentation has become a promising approach to facilitate practical applications with the help of advanced deep learning models. Although a number of previous works have investigated the vulnerability of deep learning models to backdoor attack, there is no work to study the severe risk of backdoor attack on 3d grey image segmentation. To this end, we propose two backdoor attack methods on 3d grey image segmentation, including Full-control Backdoor Attack (FCBA) and Partial-control Backdoor Attack (PCBA), on 3d grey image segmentation by leveraging a frequency trigger injection function and a rotation-based label corruption function. Our proposed trigger injection function is applied to insert a 3d trigger pattern into the benign 31) grey images in the frequency domain while ensuring the invisibility of the trigger pattern. And the proposed rotation-based label corruption function is employed to yield the crafted labels with the aim of decreasing the performance of segmentation. Finally, through comprehensive experiments on a real-world dataset, we demonstrate the effectiveness of our proposed backdoor models, the frequency trigger injection function, and the rotation -based label corruption function.

关键词： Backdoor Attack 3d Grey Image Segmentation Frequency Trigger Injection Function Rotation-based Label Corruption Function

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Usage of Real-World Maps for 3d Mobile Games - Transformations and Optimizations 23rd

Usage of Real-World Maps for 3D Mobile Games - Transformatio...

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23rd international conference on Computer Information Systems and Industrial Management (CISIM)

作者： Kopczynski, Maciej Bialystok Tech Univ Fac Comp Sci Wiejska 45A PL-15351 Bialystok Poland

ISBN: (纸本)9783031711145;9783031711152

This paper presents results and describes a solution and techniques allowing for transformation of highly detailed real world maps into simpler maps for using in 3d mobile games applications running on medium and low computing power devices. This approach is especially interesting for 3d apps developers focusing on real world maps that can be implemented in games like tycoons or strategies. The obtained results show possibility of achieving good compromise between level of details extracted from original maps and high performance of realtime 3d graphics generated on mobile device.

关键词： Map Mobile game 3d game Transformation Optimization Mobile device

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Advanced AFM Tip Engineering: 3d printed Fabrication of Conical, Pyramidal, and CMA Tip Prototypes 23

Advanced AFM Tip Engineering: 3D printed Fabrication of Coni...

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23rd Slovak-Czech-Polish Optical conference on Wave and Quantum Aspects of Contemporary Optics

作者： Gaso, P. Jandura, d. Pudiš, d. Bulatov, S. Department of Physics Faculty of Electrical Engineering and Information Technology University of Zilina Univerzitna 1 Zilina01026 Slovakia

ISBN: (数字)9781510688094

ISBN: (纸本)9781510688087

Atomic force microscopy (AFM) enables high-resolution imaging of a sample surface based on atomic interactions between the surface and a scanning probe. Geometry, and material composition of fiber tips and cantilever strongly influence the capability of any measurement and can be tailored to the desired application. Especially, the modern three-dimensional (3d) technologies open new platform of tips with complicated 3d architecture. Such tips could bring novel mechanical properties tailored to the desired application. We focused on design and fabrication of novel probes based on polymers with different cantilevers. We investigate different shapes and geometries including the very attractive controlled microstructurally architecture (CMA) tips. The prepared probes were examined by scanning electron microscopy and their quality was analyzed by scanning the AFM images. © 2025 SPIE.

关键词： Nanocantilevers

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