Abstract
This paper explores an interesting image projection produced by scanning dynamic scenes with a slit camera. Based on the concept of Anorthoscopic Perception, we investigate how a two-dimensionalDynamic Projection Imageof three-dimensional scenes is generated from consecutive 1-D snapshots taken through a slit, when the relative motion is homogeneous between the viewer and scenes. By moving the camera in the 3-D environment or rotating an object, we can obtain various dynamic projection images. These dynamic projection images contain major spatial and temporal information about 3-D scenes in a small amount of data. Consequently, the projection is suited for the memorization, registration, and indexing of image sequences. The generated images also directly show some of the motion properties in dynamic scenes. If a relative motion between the camera and a subject is planned properly, the dynamic projection image can even provide a texture image of the subject along with some expected photometry characteristics. Therefore, the dynamic projection can facilitate dynamic object recognition, 3-D structure acquisition, and image compression, all for a stable motion between the objects and camera. We outline various applications in vision, robotics, and multimedia and summarize the motion types and the camera setting for generating such dynamic projection images.
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