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Volume 39, Issue 2
Displaying 1-5 of 5 articles from this issue
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Toshihiro Konma, Kunio Kondo, Hitoshi Kuriyama, Yoshiyuki Koie2005 Volume 39 Issue 2 Pages 3-10
Published: 2005
Released on J-STAGE: August 25, 2010
JOURNAL FREE ACCESSThis paper describes a“Motion Emphasis Filter”for making mental motion of 3D characters in computer animation. Mental motion is an exaggerated motion which human feel as real motion. Emphasized expression is an effective way of making motion in animation. However, it is difficult to learn and use the expression, because it depends on the experienced hand of the animator. We analyzed the fundamental method of motion emphasis. We proposed a method of Motion Emphasis Filter for generating emphasized motion effects automatically., we can control and design a character motion. Motion Emphasis Filter accepts keyframes and Motion capture data as input motion and transforms these into emphasized motions. Emphasis motion is controlled by some parameters. It works interactively and is friendly to most users who wish to design animation. Our proposed method is possible to generate the unique emphasized motion using the value of acceleration. We can make an animation with emphasis motion easily.View full abstractDownload PDF (5707K) -
Haruyuki YOSHIDA, Masaya YOSHIMURA2005 Volume 39 Issue 2 Pages 11-18
Published: 2005
Released on J-STAGE: August 25, 2010
JOURNAL FREE ACCESSA hardware platform of a humanoid robot has already been developed in the last few years ; it encourages further studies in this field. Many studies have given weight to biped walking based on only stability of the robot : steady-state walking, high-speed dynamic walking, jumping and so on. A humanoid robot is, however, a kind of integrated machines : a two-arm and twoleg mechanism. Hence, we must focus not only locomotion function but also arm's function ; especially, a major function of arms is manipulation and handling. In this paper, based on the viewpoint of our concept, we analyzed sole shapes and sole configuration of a humanoid robot for generating large force at its hands. We focused on the shape of the convex of supporting area which consists of the sole plates of the robot in double support state. According to the simulation results, we have verified that utilizing the stroke between both legs and the orientation of the sole is effective for improving performance of the robot.View full abstractDownload PDF (9030K) -
Masayuki MORI, Kenichi HIROSE, Naoki IIDA, Sadahiko NAGAE2005 Volume 39 Issue 2 Pages 19-24
Published: 2005
Released on J-STAGE: August 25, 2010
JOURNAL FREE ACCESSThree-dimensional computer graphics (3DCG) can visually provide information to the users. However, it is not suitable to express detailed information or numerical data. The authors are undertaking research of educational contents to present explanation and detailed information using text to help the users understand 3 DCG directly. Using this educational content, it is possible to raise the users' level of understanding. However, when the content was actually used, there were some users, even though they were only a few, who found it difficult to understand 3 DCG with just text-based explanations because 3 DCG animation was too difficult. Therefore, this paper proposes educational content with the changing details. The actions of users to obtain information while the 3 DCG animations are being played back have been recorded. From these recordings the level of knowledge of the users is determined, and details of the 3 DCG animations is changed to the most suitable level for the users. Moreover, it questioned by test contents, and the effectiveness of the details change was confirmed.View full abstractDownload PDF (4364K) -
Ryusuke MATSUOKA, Ayaka KANDA2005 Volume 39 Issue 2 Pages 25
Published: 2005
Released on J-STAGE: August 25, 2010
JOURNAL FREE ACCESSDownload PDF (1734K) -
2005 Volume 39 Issue 2 Pages 27-36
Published: 2005
Released on J-STAGE: August 25, 2010
JOURNAL FREE ACCESSDownload PDF (1619K)
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