ITE Technical Report
Online ISSN : 2424-1970
Print ISSN : 1342-6893
ISSN-L : 1342-6893
24.38
Showing 1-16 articles out of 16 articles from the selected issue
  • Type: Cover
    Pages Cover1-
    Published: June 22, 2000
    Released: June 23, 2017
    CONFERENCE PROCEEDINGS FREE ACCESS
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  • Type: Index
    Pages Toc1-
    Published: June 22, 2000
    Released: June 23, 2017
    CONFERENCE PROCEEDINGS FREE ACCESS
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  • Toshikazu Matsui
    Type: Article
    Pages 1-6
    Published: June 22, 2000
    Released: June 23, 2017
    CONFERENCE PROCEEDINGS FREE ACCESS
    A new motion-detection model characterized by the cooperation between its accommodation and motion-detection mechanisms has been revealed to be effective not only in detecting multiple-motion but also in theoretically reproducing perceptual responses to moving images. However, the validity of the model's cooperative operation is not necessarily verified. This report compares the model's responses with the actual perceptual responses(apperance characteristics and accommodative responses)to double-drifting sine-waves and examines its validity. As a result, it has been clarified that the theoretical results agree well with the experimental results in the following three respects: (1)different accommodation states are selected depending on which component wave is paid attention to; (2)at each accommodation state, the attention-getting wave's motion is detected correctly and stably; (3)the degree of the retinal image's blur increases with the attention-getting wave's spatial frequency. These results support the validity of the model's cooperative operation.
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  • Takefumi HAYASHI, Toshio INUI
    Type: Article
    Pages 7-12
    Published: June 22, 2000
    Released: June 23, 2017
    CONFERENCE PROCEEDINGS FREE ACCESS
    Applying a virtual reality technique, the effects of visual feedback on reaching movements toward a target were studied. Observers were asked to grasp or point to a 3D target image in a stereographics display. During reaching movement, the target suddenly changed its position when the observer's hand came within a certain distance from the target(double-step-paradigm). The trajectory of the reaching movement accompanied with grasping showed an asymmetric velocity profile. This indicates that the grasping and reaching are controlled by dependent systems. Fundamental properties of grasping and reaching were analyzed and the mechanisms discussed.
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  • Kazumasa NASU, Toshio INUI
    Type: Article
    Pages 13-18
    Published: June 22, 2000
    Released: June 23, 2017
    CONFERENCE PROCEEDINGS FREE ACCESS
    Two types of information are acquired from pictures:"general information" and "specific detail information". By recognition tests with picutures containing a natural object, we tested the properties of short-term memory of category information as "general information" and pose information as "specific detail information". The results were as follows; 1)irrespective of the degree of task difficulty and the alternative of pose information, they showed different growth tendencies as a function of the processing time during encoding phase; 2)although category information was remembered correctly for a long time, pose information was forgotten in a few seconds.
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  • Masaya Misaki, Toshio Inui
    Type: Article
    Pages 19-24
    Published: June 22, 2000
    Released: June 23, 2017
    CONFERENCE PROCEEDINGS FREE ACCESS
    We examined the effect of category knowledge on visual recognition by similarity estimation task. We use stimuli that differ in typicality, near by prototype and far from prototype. Despite both types of stimili were judged a category member, more effects were observed for near patterns. This result suggests that category knowledge act as emphasizing the category common features. The Category Utility(Corter and Gluck, 1992), which was originally proposed as basic level indicator, can use to calculate the amount of effects and similate experimental results. These results suggest that category functionality, which defines category structure, influences stimulus recognition itself.
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  • Satoru ODO, Kiyoshi HOSHINO
    Type: Article
    Pages 25-30
    Published: June 22, 2000
    Released: June 23, 2017
    CONFERENCE PROCEEDINGS FREE ACCESS
    The purpose of this paper is to examine the sensitivity and features of peripheral vision and fixation in smooth pursuit when visual tasks were presented on a foveal vision. The spatial range and dynamic features of peripheral vision were investigated compared to reaction time, both when the gaze of subjects were fixed and when the instruction was given to follow the moving target. As the results, reaction time was increased under both conditions when the tasks were presented to foveal vision. In addition, the sensitive area of vision tended to shift to moving direction of gaze according to velocity of the moving target. These results suggested that visual information process may be disturbed when the attention of a subject is focused to fovea, and there may be different mechanism of processing in foveal and peripheral vision.
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  • Takehiko Ohno
    Type: Article
    Pages 31-36
    Published: June 22, 2000
    Released: June 23, 2017
    CONFERENCE PROCEEDINGS FREE ACCESS
    This paper summarizes results of an usability study on several WWW contents. Users were asked to find the answers of questions from the WWW pages, which were displayed as screen images. During the task, their eye movement patters were captured by the eye mark recorder. For the sake of analysis, each WWW page image was divided into several different areas based on their contents, and the eye traces on the each area were analyzed. The results showed that they generally glanced at the overall screens without any particular attention to certain areas. Sometimes, however, they took long time to look at the specific area and it differed according to the contents. These results suggest that users' information selection processes are influenced by the Web page design and it is possible to evaluate the quality of WWW page design by measuring users' eye movement patterns.
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  • Masatake Yamato, Takehiko Ohno
    Type: Article
    Pages 37-42
    Published: June 22, 2000
    Released: June 23, 2017
    CONFERENCE PROCEEDINGS FREE ACCESS
    In this paper, we propose WHERE(Window control by Head and Eye REsponse). With WHERE, the users can visualize applications' internal informations only by looking at an object on the display and then moving one's face to the display. They can edit informations even if the internal information is visualized so that they don't have to terminate editing process when they want to see internal informations. They can visualize and edit internal informations simultaneously: WHERE uses different input divices for visualization and editing. For visualizing internal informations, eye tracking device and head position tracker are used. For editing internal informations, conventional input devices like mouse and keyboard are used. A file manager combined with WHERE was developed to confirm the effects of WHERE.
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  • Yukie Chibana, Satoru Odo, Kiyoshi Hoshino
    Type: Article
    Pages 43-46
    Published: June 22, 2000
    Released: June 23, 2017
    CONFERENCE PROCEEDINGS FREE ACCESS
    We make impression structure of non-fixed form dancing as Kachaasii clear, that we invent the impression there is you as a purpose with feeling a predicted body location. By this study, at first using Okinawa dancing Kachaasii we are compared with various double account interest with stoppage of the gaze point of a subject we measure the track of eyes In next, Than a measurement result of the gaze point of a body location peculiar to we examined relevance. A result of experiment we examined it when one exercise was done eyeball exercise showed a change for the exercise that there is an eyeball we understood that I showed specified eyeball exercise.
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  • Shihoko Kamisato, Kiyoshi Hoshino
    Type: Article
    Pages 47-51
    Published: June 22, 2000
    Released: June 23, 2017
    CONFERENCE PROCEEDINGS FREE ACCESS
    The purpose of this study is to identify the relationship between motion kinematics or dynamics and the impressions produced in dancing. The structure of subjective impressions for dance motions with no regular rule of operation was investigated using Okinawan dance "Kachaasii". First, the questionnaire method and the principal component analysis were adopted for investigation of the mental structure of the dance. The direction, the ratio of quadrature axis and vertical line, the sum of acceleration, range of angular variation of fingure top, wrist or elbow were discussed.
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  • Yoshino Ishikawa, Shihoko Kamisato, Kiyoshi Hoshino
    Type: Article
    Pages 53-56
    Published: June 22, 2000
    Released: June 23, 2017
    CONFERENCE PROCEEDINGS FREE ACCESS
    The purpose of this study is to clarify motion characteristics and the relevance related to impressions. Although evaluations on the impressions aroused by arm movements in Okinawan dance "Kachaasii" have been carried out, it is not clear how other parts of the body and their movements evoke psychological impressions. This study quantitatively estimated the relationship among impressions, parts of the body and the motion characteristics.
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  • Mitsuo Kawato, Kenji Doya, Masahiko Haruno
    Type: Article
    Pages 57-64
    Published: June 22, 2000
    Released: June 23, 2017
    CONFERENCE PROCEEDINGS FREE ACCESS
    In order to investigate higher cognitive functions of humans such as language in the framework of neuroscience, we need to integrate microscopic knowledge about neural circuits obtained by animal studies with macroscopic data obtained by non-invasive brain imaging or cognitive and linguistic studies. For this purpose, we propose a new computational theory and introduce its supporting data. Our theory is in sharp contrast to the four basic assumptions made in Chomsky's generic grammar.
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  • Yoshiaki Iwamura
    Type: Article
    Pages 65-71
    Published: June 22, 2000
    Released: June 23, 2017
    CONFERENCE PROCEEDINGS FREE ACCESS
    Our single neuronal receptive field studies in awake monkeys have established that areas 1, 2 and 5 in the postcentral gyrus are associative while area 3 is a primary sensory receiving area. Our recent studies revealed that in areas 2 and 5, the integration of neural signals of different submodalities, those from different regions of the forelimb, from the forelimb and trunk, from both sides of the body, and finally the integration of visual and somatosensory signals. Implication of these observations in tactile perception and awareness of self is discussed.
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  • Type: Appendix
    Pages App1-
    Published: June 22, 2000
    Released: June 23, 2017
    CONFERENCE PROCEEDINGS FREE ACCESS
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  • Type: Cover
    Pages Cover2-
    Published: June 22, 2000
    Released: June 23, 2017
    CONFERENCE PROCEEDINGS FREE ACCESS
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