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Introduction to SIGGRAPH2003 Selections

Introduction to SIGGRAPH2003 Selections. Jia-Wei Chiou 2004/11/18. Selections. Graphics for the Masses: A Hardware Rasterization Architecture for Mobile Phones Interactive Shadow Generation in Complex Environments All-Frequency Shadows Using Non-linear Wavelet Lighting Approximation

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Introduction to SIGGRAPH2003 Selections

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  1. Introduction toSIGGRAPH2003 Selections Jia-Wei Chiou 2004/11/18

  2. Selections • Graphics for the Masses: A Hardware Rasterization Architecture for Mobile Phones • Interactive Shadow Generation in Complex Environments • All-Frequency Shadows Using Non-linear Wavelet Lighting Approximation • Efficient Synthesis of Physically Valid Human Motion • Rhythmic-Motion Synthesis Based on Motion-Beat Analysis

  3. Graphics for the Masses:A Hardware Rasterization Architecture for Mobile Phones Tomas Akenine-M¨oller Chalmers University of Technology Ericsson Mobile Platforms Jacob Str¨om Ericsson Research

  4. Abstract • To increase the mobile rendering capabilities • A new hardware architecture for rasterizing textured triangles • Saving memory bandwidth • To use as little power as possible • A scanline-based culling scheme • avoids a significant amount of z-buffer reads

  5. Interactive Shadow Generation in Complex Environments Naga K. Govindaraju, Brandon Lloyd, Sung-Eui Yoon, Avneesh Sud, and Dinesh Manocha University of North Carolina at Chapel Hill

  6. Abstract • A new algorithm for Interactive generation of hard-edged, umbral shadows in complex environments with a moving light source • Mainly Based on • Levels-of-detail (LODs) and visibility culling • A novel cross-visibility culling algorithm • A combination of shadow polygons and shadow maps

  7. All-Frequency Shadows Using Non-linear Wavelet Lighting Approximation Ren Ng Stanford University Ravi Ramamoorthi Columbia University Pat Hanrahan Stanford University

  8. Abstract • Based on precomputed light transport, for real-time rendering of objects under all-frequency, time-varying illumination represented as a high-resolution environment map • Main contribution is to approximate the environment map in a wavelet basis, keeping only the largest terms • Compression by encoding the light transport matrix

  9. Efficient Synthesis of Physically Valid Human Motion Anthony C. Fang, Nancy S. Pollard Department of Computer Science Brown University

  10. Abstract • Traditionally, Differentiating physical quantities becomes prohibitively slow; obtaining first derivatives for these parameters is generally an O(D2) process. D = #DOF of the character • This paper describe a set of objective functions and constraints that lead to linear time analytical first derivatives

  11. Rhythmic-Motion Synthesis Based on Motion-Beat Analysis Tae-hoon Kim, Sang Il Park, and Sung Yong Shin Korea Advanced Institute of Science and Technology

  12. Abstract • Synthesizing a new motion from unlabelled example motions while preserving their rhythmic pattern • Training Data • Capture the motion beats from the example motions to extract the basic movements and their transitions • Constructs a movement transition graph that represents the example motions

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