作者: Mangle 時(shí)間: 2025-3-21 22:42
Refraction in Discrete Ray Tracinghics using discrete ray tracing. We describe four basic approaches for determining the relative refractive index at each sampling position, and examine their relative merits. We discuss two types of anomalies associated with some approaches and three different mechanisms for controlling sampling int作者: 跑過(guò) 時(shí)間: 2025-3-22 03:17
Data Level Comparison of Surface Classification and Gradient Filters conventional surface rendering, DVR algorithms do not have explicit geometry to shade, making it difficult to perform comparisons. Furthermore, DVR, in general, involves a complex set of parameters whose effects on a rendered image are hard to compare. Previous work uses analytical estimations of t作者: medieval 時(shí)間: 2025-3-22 06:48
Splatting With Shadowse intervening volumetric structures before it is reflected towards the eye. Both parallel and perspective lightsources can be efficiently and accurately modeled. We use a two-stage splatting approach. In the first stage, a light volume is constructed in O(N.) time, which is about the same time it ta作者: CLAN 時(shí)間: 2025-3-22 11:31
A Study of Transfer Function Generation for Time-Varying Volume Datand guidelines exist for time-invariant data, little formal study for the time-varying case has been performed. This paper examines this problem, and reports the study that we have conducted to determine how the dynamic behavior of time-varying data may be captured by a single or small set of transfe作者: Encoding 時(shí)間: 2025-3-22 13:09
Volume Graphics Modeling of Ice Thawingy-based computation at the cost of interactivity, much more attention has been paid to phenomenological models, which are intended to produce the same visual effect as physically-based models, without highly-complex computations. This paper focuses on ice thawing as a quite common phenomenon in our 作者: 紳士 時(shí)間: 2025-3-22 18:02
A Survey of Methods for Volumetric Scene Reconstruction from Photographsn computer vision. Since its introduction, scene reconstruction has found application in many fields, including robotics, virtual reality, and entertainment. Volumetric models are a natural choice for scene reconstruction. Three broad classes of volumetric reconstruction techniques have been develop作者: Mercantile 時(shí)間: 2025-3-23 01:16
A Technique for Volumetric CSG based on Morphologyization suitability criterion. Assume the CSG operation is union. The volumetric union of two such volumes is defined in terms of the voxelization of the union of the two original solids..The theory behind the new technique is discussed, the algorithm and implementation are presented. Finally, we pr作者: 鑒賞家 時(shí)間: 2025-3-23 04:19
vlib: A Volume Graphics APIld to date. We present an overview of the interface and describe how its novel object modeling framework is able to facilitate a variety of modeling and rendering features, including scene graphs allowing constructive object representations, normal perturbation, spatial deformations, hypertexturing 作者: dissolution 時(shí)間: 2025-3-23 05:34
Efficient Space Leaping for Ray casting Architectures space. While several techniques exist for software implementations to skip these empty regions, few are suitable for hardware implementation. The few which have been presented either require a tremendous amount of logic or are not feasible for high frequency designs (i.e. running at 100 MHz) where 作者: anthropologist 時(shí)間: 2025-3-23 12:37 作者: evince 時(shí)間: 2025-3-23 17:14
Parallelizing the ZSWEEP Algorithm for Distributed-Shared Memory Architectureschines, and study its performance on three generations of SGI multiprocessors, including the new Origin 3000 series..The main idea of the ZSWEEP algorithm is very simple; it is based on sweeping the data with a plane parallel to the viewing plane, in order of increasing ., projecting the faces of ce作者: 聯(lián)想記憶 時(shí)間: 2025-3-23 18:58 作者: 極為憤怒 時(shí)間: 2025-3-24 00:14
Visualization of Labeled Segments Cross-Contour Surfacesres in parallel image slices of volume models. They are also suitable for the representation of CAD objects with tubular elongated shapes such as pipes and tools. Rendering these surfaces consists of tiling between successive contours, which is mainly a problem of establishing correspondences: betwe作者: 抑制 時(shí)間: 2025-3-24 05:10
Topology-Guided Downsamplingng methods by preferably selecting scalar values of critical points. In particular, many critical points can be preserved which are lost by traditional downsampling methods. Our method is named “topology-guided downsampling” as topology-preserving downsampling is impossible in general. However, we s作者: 團(tuán)結(jié) 時(shí)間: 2025-3-24 07:53
Conference proceedings 2001ook, New York. This year‘s event was the second in the series, following a successful premiere in Swansea, Wales, in March 1999, and was co-sponsored by the IEEE Technical Committee on Visualization and Graphics (TC-VG) as well as EUROGRAPHICS. The Volume Graphics Workshop is held bi-annually and ha作者: 正式演說(shuō) 時(shí)間: 2025-3-24 13:30
Volume Graphics Modeling of Ice Thawing visual effect as physically-based models, without highly-complex computations. This paper focuses on ice thawing as a quite common phenomenon in our daily life, and presents volume modeling of the phenomenon using mathematical morphology and cellular automaton.作者: 確定 時(shí)間: 2025-3-24 17:02
Refraction in Discrete Ray Tracingields as well as volumetric datasets. In particular, the study shows that the normal estimation plays a critical role in synthesizing aesthetically pleasing images. The paper also includes the results of various tests, and our quantitative and qualitative analysis.作者: Entrancing 時(shí)間: 2025-3-24 21:05
A Study of Transfer Function Generation for Time-Varying Volume Datacharacteristics were used for our study. Results obtained using two different classes of methods are discussed, along with lessons learned. These methods, including a new multi-resolution opacity map approach, can be used for semi-automatic generation of transfer functions to explore large-scale time-varying data sets.作者: 建筑師 時(shí)間: 2025-3-25 00:54
Topology-Guided Downsamplingractive previewing, because many topological features of the isosurfaces, e.g. the number of components, tunnels, and holes, are preserved. We illustrate the benefits of our method with examples from medical and technical applications of volume visualization.作者: 多骨 時(shí)間: 2025-3-25 05:17 作者: myriad 時(shí)間: 2025-3-25 10:49
vlib: A Volume Graphics APIand more. We also discuss a volumetric ray-tracing algorithm for producing high quality images with a minimal memory overhead. The paper closes with some comments on our Open Source implementation of the interface and its underlying graphics system.作者: 行為 時(shí)間: 2025-3-25 12:36 作者: 征稅 時(shí)間: 2025-3-25 18:58 作者: 白楊魚(yú) 時(shí)間: 2025-3-25 20:59
Data Level Comparison of Surface Classification and Gradient Filtersy using intermediate information. Based on this methodology, we also present new data level metrics and examples of analyzing differences in surface classification and gradient calculation. Please refer to www.cse.ucsc.edu/research/avis/dvr.html for a full color version of this paper.作者: 創(chuàng)作 時(shí)間: 2025-3-26 00:28
Splatting With Shadows, instead of using the constant light source intensity. Once the light volume is computed, the actual rendering is only marginally more expensive than in the unshadowed case. The rendered images, however, convey three-dimensional relationships much better and look considerably more realistic, which 作者: 動(dòng)作謎 時(shí)間: 2025-3-26 07:37 作者: 違法事實(shí) 時(shí)間: 2025-3-26 09:39
An Architecture For Interactive Tetrahedral Volume Renderingchitecture and new primitives is a 72 to 85 times increase in performance over triangle graphics hardware approaches. These improvements make it possible to use volumetric tetrahedral meshes in interactive applications.作者: 信任 時(shí)間: 2025-3-26 15:36
Parallelizing the ZSWEEP Algorithm for Distributed-Shared Memory Architecturesthe sequential algorithm to work on shared-memory machines. We report on the performance of our implementation, and show that the . ZSWEEP is naturally cache friendly, achieves fast rendering times, and substantial speedups on all the machines we used for testing. On one processor of our Origin 3000作者: 大酒杯 時(shí)間: 2025-3-26 19:09 作者: Enervate 時(shí)間: 2025-3-26 23:15
Conference proceedings 2001ving into a general graphics technology, and the papers included in these proceedings are testimonial to the wide spectrum of unique applications and solu- tions that volumetric representations are able to offer.作者: TOXIN 時(shí)間: 2025-3-27 03:38 作者: 作繭自縛 時(shí)間: 2025-3-27 09:21
aher mit Sicherheit kein Grund mehr sein, anstelle der Simulation andere Verfahren einzusetzen. Im Gegensatz hierzu ist zu erwarten, daB die Kosten, die für die Modellerstellung aufgebracht werden müssen, eher steigen.978-3-540-09037-3978-3-642-67090-9Series ISSN 0343-3005 作者: Lymphocyte 時(shí)間: 2025-3-27 12:32
Manjushree Nulkar,Klaus Muellertal orderings. Although it is not possible to find a planar graph representing this space the graph of Fig ., with orbitals grouped according to their . values, is more legible than the graphs corresponding to other orbital orderings. In Fig . more complicated case, with 3., 3. and 3. orbital basis,作者: 低位的人或事 時(shí)間: 2025-3-27 17:34 作者: ALLAY 時(shí)間: 2025-3-27 18:06
en überblick zum Stand der Entwicklung der dritten Mobilfunkgeneration UMTS/IMT-2000. Angesprochen sind Studierende der Elektrotechnik, Informationstechnik und Informatik von Universit?ten und Fachhochschulen, Anwender und Praktiker aus der Industrie, von Netzbetreibern und aus der Forschung, die si作者: TAG 時(shí)間: 2025-3-27 22:29 作者: 增強(qiáng) 時(shí)間: 2025-3-28 02:08 作者: 無(wú)節(jié)奏 時(shí)間: 2025-3-28 09:59
Zhou Jianwen,Lin Feng,Seah Hock Soond knowledge of specific systems or proteins and general principles of structure and function are offered. Much of this information has never been published before. At the rate the extended family of GTPases is growing it becomes increasingly unlikely that we will again get it to sit for a group port作者: ectropion 時(shí)間: 2025-3-28 12:29
Andreas B?rentzen,Niels J?rgen Christensenare used for an extension of the connection graph proof procedure by a reduction rule for redundant links which is currently being implemented and evaluated in the Markgraf Karl Refutation Procedure [4, 8]. These new links are also used to eliminate search on resolution-link inheritance [see 7]. The作者: arabesque 時(shí)間: 2025-3-28 16:43 作者: packet 時(shí)間: 2025-3-28 20:50
Davis King,Craig M. Wittenbrink,Hans J. Wolters, the links to the new literals are derived from the links of their ancestors. An inheritance mechanism for such links is presented which operates only on the attached substitutions and does not have to unify the literals. This solves a long standing open problem of connection graph calculi: how to 作者: 收藏品 時(shí)間: 2025-3-28 23:15 作者: Irksome 時(shí)間: 2025-3-29 03:29 作者: 波動(dòng) 時(shí)間: 2025-3-29 08:12
Richard Satherley,Mark W. Jonesal logic are examples. CL provides a means for axiomatizing these structures and for expressing the semantics of the desired operators in a formal language. This information about the desired logic is sufficient to translate formulae written in the operator syntax automatically into predicate logic 作者: CHASM 時(shí)間: 2025-3-29 14:02 作者: 額外的事 時(shí)間: 2025-3-29 16:27
Martin Kraus,Thomas Ertlst of a sequence of general plan elements, so that each plan element can be independently refined. The skeletal plan thus accounts for the interactions between the various concrete operations of the plan at a general level. The complexity of the planning problem is thereby factored in a domain-speci作者: Processes 時(shí)間: 2025-3-29 23:13 作者: heterodox 時(shí)間: 2025-3-30 01:43
Eurographicshttp://image.papertrans.cn/v/image/984234.jpg作者: Kidnap 時(shí)間: 2025-3-30 04:15
https://doi.org/10.1007/978-3-7091-6756-43D; CAD; Raytracing; algorithms; architecture; computer graphics; computer-aided design (CAD); construction作者: 有斑點(diǎn) 時(shí)間: 2025-3-30 10:03 作者: Cholesterol 時(shí)間: 2025-3-30 15:35
978-3-211-83737-5Springer-Verlag/Wien 2001作者: 縮短 時(shí)間: 2025-3-30 18:58
Volume Graphics 2001978-3-7091-6756-4Series ISSN 0946-2767 作者: Lipoma 時(shí)間: 2025-3-31 00:10 作者: Endearing 時(shí)間: 2025-3-31 02:53 作者: 能得到 時(shí)間: 2025-3-31 07:16 作者: stratum-corneum 時(shí)間: 2025-3-31 10:56
