Position-dependent interactivity system for image display

Details Position-dependent interactivity system for image display Position-dependent interactivity system for image display

1987-05-14

1989-08-15

Moore, David K.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340724, 358103, G06F 3033

Patent

active

048579025

ABSTRACT:
An interactive video display system with tight coupling between user-input and the images displayed to provide a feeling of real control by the user. A library of frames of video data is stored in randomly accessible data locations, such as an optical video disc. The video data in each frame in the library is assigned a virtual position in a pre-defined data space, such that the visual image in each frame is related to visual images in other frames by virtual position in the data space. User input is provided through track ball or mouse generating displacement signals. The input signal is translated to an updated virtual position in the data space relative to a previous virtual position and the next frame having the updated virtual position is displayed next.

REFERENCES:
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patent: 4305131 (1981-12-01), Best
patent: 4562347 (1985-12-01), Hovey et al.
S. S. Fisher, et al., "Virtual Environment Display System", Oct. 23-24, 1986, ACM 1986 Workshop on Interactive 3D Graphics.
Cognitive Space in the Interactive Movie Map: An Investigation of Spatial Learning in Virtual Environments; by Robert Mohl, 1981; Ph.D. Thesis, Mass. Inst. of Tech., Cambridge, MA 02139.
Viewpoint Dependent Imaging: An Interactive Stereoscopic Display; by Scott Stevens Fisher, 1981; M. S. Thesis, Mass. Inst. of Tech.
The Impact of Optical Videodiscs on Filmmaking: by Nicholas Negroponte; Architecture Machine Group, Mass. Inst. of Tech. Viewpoint Dependent Imaging: an Interactive Stereoscopic Display.
S. S. Fisher; publ. in SPIE vol. 367 Processing & Display of Three-Dimensional Data (1982).

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