Computer Animation and Virtual Worlds

Cover image for Vol. 27 Issue 3-4

Edited By: Nadia Magnenat Thalmann and Daniel Thalmann

Impact Factor: 0.548

ISI Journal Citation Reports © Ranking: 2015: 88/106 (Computer Science Software Engineering)

Online ISSN: 1546-427X

Featured

  • Animating synthetic dyadic conversations with variations based on context and agent attributes

    Animating synthetic dyadic conversations with variations based on context and agent attributes

    The marketplace scenario.

  • An embodied approach to arthropod animation

    An embodied approach to arthropod animation

    Select frames of a tarantula climbing onto a vertical wall. Green dots show the intersection bounds of the rudimentary sensing mechanism, used to judge the proximity and relative angle of objects in the creature's path.

  • A system for automatic animation of piano performances

    A system for automatic animation of piano performances

    Key poses of finger crossover while playing scales. The first row shows a key frame of the thumb crossing over the middle finger while playing the C-major scale, and the second row shows a key frame of the thumb crossing over the ring finger while playing the D-major scale, both from three perspectives. Note that the ring/middle finger firmly presses down the keys, the fingers avoid collisions with black keys in C-major, the wrist maintains a natural rotation, and the thumb is positioned well on the key to play it after crossing over.

  • Painterly rendering techniques: a state-of-the-art review of current approaches

    Painterly rendering techniques: a state-of-the-art review of current approaches

    A sample input source images (A and A ′ ) along with the target input images (B) with the result output (B ′ ) produced using techniques presented in .

  • Haptic collision handling for simulation of transnasal surgery

    Haptic collision handling for simulation of transnasal surgery

    The endoscope (green) inside the nasal cavity during simulation of transnasal surgery. In the larger image, some interior structures were made visible. The anatomy is complex and challenging for computation of tissue–tool interaction.

  • Animating synthetic dyadic conversations with variations based on context and agent attributes
  • An embodied approach to arthropod animation
  • A system for automatic animation of piano performances
  • Painterly rendering techniques: a state-of-the-art review of current approaches
  • Haptic collision handling for simulation of transnasal surgery

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Recently Published Articles

  1. Anticipatory balance control and dimension reduction

    Amir H. Rabbani, Michiel van de Panne and Paul G. Kry

    Version of Record online: 13 JUL 2016 | DOI: 10.1002/cav.1726

    Thumbnail image of graphical abstract

    Learned center-of-mass reference trajectories enable anticipatory control for a variety of tasks, including (from left to right top to bottom): fast changes of pose; punching; catching and lifting; pushing; hitting and pulling.

  2. Simulation and visualization of adapting venation patterns

    Monssef Alsweis, Oliver Deussenn and Jia Liu

    Version of Record online: 24 JUN 2016 | DOI: 10.1002/cav.1723

    Thumbnail image of graphical abstract

    Illustration of visually realistic development system for different leaves type is described by a growth function relative elementary growth rate that reacts to hormone (Auxin) sources embedded in the leaf blade.

  3. Image-based embroidery modeling and rendering

    Dele Cui, Yun Sheng and Guixu Zhang

    Version of Record online: 8 JUN 2016 | DOI: 10.1002/cav.1725

    Thumbnail image of graphical abstract

    This paper presents an image-based embroidery rendering method, which combines stroke-based rendering techniques with the Phong lighting model to generate picturesque images with embroidery style. We build a 3D stitch model and derive some most commonly used stitch patterns from it. Then we segment the input image into regions, calculate region-wise parameters to apply single or multiple layers of stitches onto the specific regions and render them under a virtual light source to create the effects of lighting and shading.

  4. Essential techniques for laparoscopic surgery simulation

    Kun Qian, Junxuan Bai, Xiaosong Yang, Junjun Pan and Jianjun Zhang

    Version of Record online: 2 JUN 2016 | DOI: 10.1002/cav.1724

    Thumbnail image of graphical abstract

    In this paper, we proposed a set of tailored key technologies for laparoscopic surgery simulation, ranging from the simulation of soft tissues with different properties, the interactions between surgical tools and soft tissues, and the rendering of complex anatomical environment.

  5. Determining personality traits of racing game players using the open racing car simulator: toward believable virtual drivers

    Andre Possani-Espinosa, J. Octavio Gutierrez-Garcia and Isaac Vargas Gordillo

    Version of Record online: 26 MAY 2016 | DOI: 10.1002/cav.1722

    Thumbnail image of graphical abstract

    A decision tree methodology for profiling players based on their goal-oriented driving behaviors is proposed. Data collected from 125 players about their driving behaviors and personality traits give insights into how personality traits should model the behavior of believable virtual drivers.

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