Proceedings of the 20th ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games最新文献

A framework to transform in-core GPU algorithms to out-of-core algorithms 一个将内核GPU算法转换为外核算法的框架

Proceedings of the 20th ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games Pub Date : 2016-02-27 DOI: 10.1145/2856400.2876011

T. Harada

引用次数: 5

Ductile fracture for clustered shape matching 簇形匹配的韧性断裂

Proceedings of the 20th ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games Pub Date : 2016-02-27 DOI: 10.1145/2856400.2856415

Ben Jones, April Martin, J. Levine, Tamar Shinar, Adam W. Bargteil

引用次数: 12

RGB-D IBR: rendering indoor scenes using sparse RGB-D images with local alignments RGB-D IBR:使用局部对齐的稀疏RGB-D图像渲染室内场景

Proceedings of the 20th ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games Pub Date : 2016-02-27 DOI: 10.1145/2856400.2876006

Yeong-Hu Jeong, Haejoon Kim, H. Seo, Frédéric Cordier, Seungyong Lee

{"title":"RGB-D IBR: rendering indoor scenes using sparse RGB-D images with local alignments","authors":"Yeong-Hu Jeong, Haejoon Kim, H. Seo, Frédéric Cordier, Seungyong Lee","doi":"10.1145/2856400.2876006","DOIUrl":"https://doi.org/10.1145/2856400.2876006","url":null,"abstract":"This paper presents an image-based rendering (IBR) system based on RGB-D images. The input of our system consists of RGB-D images captured at sparse locations in the scene and can be expanded by adding new RGB-D images. The sparsity of RGB-D images increases the usability of our system as the user need not capture a RGB-D image stream in a single shot, which may require careful planning for a hand-held camera. Our system begins with a single RGB-D image and images are incrementally added one by one. For each newly added image, a batch process is performed to align it with previously added images. The process does not include a global alignment step, such as bundle adjustment, and can be completed quickly by computing only local alignments of RGB-D images. Aligned images are represented as a graph, where each node is an input image and an edge contains relative pose information between nodes. A novel view image is rendered by picking the nearest input as the reference image and then blending the neighboring images based on depth information in real time. Experimental results with indoor scenes using Microsoft Kinect demonstrate that our system can synthesize high quality novel view images from a sparse set of RGB-D images.","PeriodicalId":207863,"journal":{"name":"Proceedings of the 20th ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133706934","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Precision: precomputing environment semantics for contact-rich character animation 精度:为接触丰富的角色动画预计算环境语义

Proceedings of the 20th ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games Pub Date : 2016-02-27 DOI: 10.1145/2856400.2856404

Mubbasir Kapadia, Xianghao Xu, Maurizio Nitti, Marcelo Kallmann, Stelian Coros, R. Sumner, M. Gross

{"title":"Precision: precomputing environment semantics for contact-rich character animation","authors":"Mubbasir Kapadia, Xianghao Xu, Maurizio Nitti, Marcelo Kallmann, Stelian Coros, R. Sumner, M. Gross","doi":"10.1145/2856400.2856404","DOIUrl":"https://doi.org/10.1145/2856400.2856404","url":null,"abstract":"The widespread availability of high-quality motion capture data and the maturity of solutions to animate virtual characters has paved the way for the next generation of interactive virtual worlds exhibiting intricate interactions between characters and the environments they inhabit. However, current motion synthesis techniques have not been designed to scale with complex environments and contact-rich motions, requiring environment designers to manually embed motion semantics in the environment geometry in order to address online motion synthesis. This paper presents an automated approach for analyzing both motions and environments in order to represent the different ways in which an environment can afford a character to move. We extract the salient features that characterize the contact-rich motion repertoire of a character and detect valid transitions in the environment where each of these motions may be possible, along with additional semantics that inform which surfaces of the environment the character may use for support during the motion. The precomputed motion semantics can be easily integrated into standard navigation and animation pipelines in order to greatly enhance the motion capabilities of virtual characters. The computational efficiency of our approach enables two additional applications. Environment designers can interactively design new environments and get instant feedback on how characters may potentially interact, which can be used for iterative modeling and refinement. End users can dynamically edit virtual worlds and characters will automatically accommodate the changes in the environment in their movement strategies.","PeriodicalId":207863,"journal":{"name":"Proceedings of the 20th ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115456011","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 21

Accurate analytic approximations for real-time specular area lighting 精确的分析近似实时镜面区域照明

Proceedings of the 20th ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games Pub Date : 2016-02-27 DOI: 10.1145/2856400.2856403

P. Lecocq, A. Dufay, G. Sourimant, Jean-Eudes Marvie

{"title":"Accurate analytic approximations for real-time specular area lighting","authors":"P. Lecocq, A. Dufay, G. Sourimant, Jean-Eudes Marvie","doi":"10.1145/2856400.2856403","DOIUrl":"https://doi.org/10.1145/2856400.2856403","url":null,"abstract":"We introduce analytic approximations for accurate real-time rendering of specular surfaces lit by area light sources. Our solution leverages the Irradiance Tensors developed by Arvo for the rendering of Phong surfaces lit by a polygonal light source. Using a reformulation of the 1D boundary edge integral, we develop a general framework for approximating and evaluating the integral in constant time using simple peak shape functions. To overcome the Phong restriction, we propose a low cost edge splitting strategy that accounts for the spherical warp introduced by the half vector parametrization. Thanks to this novel extension, we accurately approximate common microfacet BRDFs, providing the first practical method producing specular stretches that closely match ground truth image references in real-time. Finally, using the same approximation framework, we introduce support for spherical and disc area light sources, based on an original polygon spinning method supporting non-uniform scaling operations and horizon clipping. Implemented on a GPU, our method achieves real-time performances without any assumption on area light shape nor surface roughness, with a quality close to the ground truth.","PeriodicalId":207863,"journal":{"name":"Proceedings of the 20th ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122512363","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Real-time hair mesh simulation 实时毛发网格模拟

Proceedings of the 20th ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games Pub Date : 2016-02-27 DOI: 10.1145/2856400.2856412

Kui Wu, Cem Yuksel

引用次数: 19

Triangle reordering for reduced overdraw in animated scenes 三角形重新排序减少动画场景中的透支

Proceedings of the 20th ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games Pub Date : 2016-02-27 DOI: 10.1145/2856400.2856408

Songfang Han, P. Sander

引用次数: 6

A phenomenological scattering model for order-independent transparency 序无关透明的现象学散射模型

Proceedings of the 20th ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games Pub Date : 2016-02-27 DOI: 10.1145/2856400.2856418

M. McGuire, Michael Mara

引用次数: 8

Data-driven adaptive history for image editing 数据驱动的自适应历史图像编辑

Proceedings of the 20th ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games Pub Date : 2016-02-27 DOI: 10.1145/2856400.2856417

Hsiang-Ting Chen, Li-Yi Wei, Bjoern Hartmann, Maneesh Agrawala

{"title":"Data-driven adaptive history for image editing","authors":"Hsiang-Ting Chen, Li-Yi Wei, Bjoern Hartmann, Maneesh Agrawala","doi":"10.1145/2856400.2856417","DOIUrl":"https://doi.org/10.1145/2856400.2856417","url":null,"abstract":"Digital image editing is usually an iterative process; users repetitively perform short sequences of operations, as well as undo and redo using history navigation tools. In our collected data, undo, redo and navigation constitute about 9 percent of the total commands and consume a significant amount of user time. Unfortunately, such activities also tend to be tedious and frustrating, especially for complex projects. We address this crucial issue by adaptive history, a UI mechanism that groups relevant operations together to reduce user workloads. Such grouping can occur at various history granularities. We present two that have been found to be most useful. On a fine level, we group repeating commands patterns together to facilitate smart undo. On a coarse level, we segment commands history into chunks for semantic navigation. The main advantages of our approach are that it is intuitive to use and easy to integrate into any existing tools with text-based history lists. Unlike prior methods that are predominately rule based, our approach is data driven, and thus adapts better to common editing tasks which exhibit sufficient diversity and complexity that may defy predetermined rules or procedures. A user study showed that our system performs quantitatively better than two other baselines, and the participants also gave positive qualitative feedbacks on the system features.","PeriodicalId":207863,"journal":{"name":"Proceedings of the 20th ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games","volume":"98 11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116765207","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 10

SSVDAGs: symmetry-aware sparse voxel DAGs ssvdag:对称感知稀疏体素dag

Proceedings of the 20th ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games Pub Date : 2016-02-27 DOI: 10.1145/2856400.2856420

A. Villanueva, F. Marton, E. Gobbetti

{"title":"SSVDAGs: symmetry-aware sparse voxel DAGs","authors":"A. Villanueva, F. Marton, E. Gobbetti","doi":"10.1145/2856400.2856420","DOIUrl":"https://doi.org/10.1145/2856400.2856420","url":null,"abstract":"Voxelized representations of complex 3D scenes are widely used nowadays to accelerate visibility queries in many GPU rendering techniques. Since GPU memory is limited, it is important that these data structures can be kept within a strict memory budget. Recently, directed acyclic graphs (DAGs) have been successfully introduced to compress sparse voxel octrees (SVOs), but they are limited to sharing identical regions of space. In this paper, we show that a more efficient lossless compression of geometry can be achieved, while keeping the same visibility-query performance, by merging subtrees that are identical through a similarity transform, and by exploiting the skewed distribution of references to shared nodes to store child pointers using a variabile bit-rate encoding. We also describe how, by selecting plane reflections along the main grid directions as symmetry transforms, we can construct highly compressed GPU-friendly structures using a fully out-of-core method. Our results demonstrate that state-of-the-art compression and real-time tracing performance can be achieved on high-resolution voxelized representations of real-world scenes of very different characteristics, including large CAD models, 3D scans, and typical gaming models, leading, for instance, to real-time GPU in-core visualization with shading and shadows of the full Boeing 777 at sub-millimetric precision.","PeriodicalId":207863,"journal":{"name":"Proceedings of the 20th ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games","volume":"104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115760713","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 34