| 摘要 |
This invention generally relates to apparatus and methods for recording and projecting images on curved screens (12) in a manner that imparts to an audience (17) a sense of immersion in the projected scene. The screen (12) is usually a segment of a spherical dome, with a large portion of the segment located below the horizontal viewing line of an audience (17). During recording of the images, the camera lens longitudinal axis is maintained in a substantially horizontal orientation. During projection, the projector lens (32) longitudinal axis is maintained in a substantially horizontal orientation, and the image is positioned on the screen (12) by horizontal and/or vertical movement of the projector lens (32) relative to the film (40). The image is projected to appear to the viewer (10) to be in substantially the same position as it was to the camera lens during recording.
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