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Fused Visualization with Non-uniform Transparent Surface for Volumetric Data Using Stochastic Point-Based Rendering

  • Kyoko HasegawaEmail author
  • Yuta Fujimoto
  • Rui Xu
  • Tomoko Tateyama
  • Yen-Wei Chen
  • Satoshi Tanaka
Conference paper
Part of the Smart Innovation, Systems and Technologies book series (SIST, volume 60)

Abstract

In medical, scientific, and other fields, transparent surface visualization is useful for investigating inner three-dimensional (3D) structures. Such visualization typically involves the use of polygon graphics in which the polygons must be sorted along the line of sight. However, sorting involves considerable computation time for large-scale data. Furthermore, the order of polygons in the sorting can often become indefinite, especially for intersecting surfaces. Therefore, particle-based volume rendering that does not require sorting is proposed as a transparent-rendering method. The proposed method obtains slice images with non-uniform opacity using color and opacity maps similar to volume rendering. The method initially generates the particles, a process it performs only once. It additionally employs particle shuffling, which requires considerably less computation time than particle sorting. To demonstrate the efficacy of the proposed method, we rendered 3D-fused images, including slice–slice and volume–slice images, for medical volumetric data. The results show that the performance of the proposed method is satisfactory in cases in which the area of the particle is greater than that of the cell.

Keywords

Particle-based surface rendering High-resolution volumetric data Fused visualization 

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Copyright information

© Springer International Publishing Switzerland 2016

Authors and Affiliations

  • Kyoko Hasegawa
    • 1
    Email author
  • Yuta Fujimoto
    • 2
  • Rui Xu
    • 3
  • Tomoko Tateyama
    • 1
  • Yen-Wei Chen
    • 1
  • Satoshi Tanaka
    • 1
  1. 1.College of Information Science and EngineeringRitsumeikan UniversityKusatsuJapan
  2. 2.Graduate School of Science and EngineeringRitsumeikan UniversityKusatsuJapan
  3. 3.School of SoftwareDalian University of TechnologyDalianPeople’s Republic of China

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