LAMP: 3D layered, adaptive-resolution, and multi-perspective panorama—a new scene representation

  • Authors:

  • Zhigang Zhu;Allen R. Hanson

  • Affiliations:

  • Department of Computer Science, The City College, The City University of New York, New York, NY;Department of Computer Science, University of Massachusetts Amherst, Amherst, MA

  • Venue:
  • Computer Vision and Image Understanding - Model-based and image-based 3D scene representation for interactive visalization
  • Year:
  • 2004

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Abstract

A compact visual representation, called the 3D layered, adaptive-resolution, and multi-perspective panorama (LAMP), is proposed for representing large-scale 3D scenes with large variations of depths and obvious occlusions. Two kinds of 3D LAMP representations are proposed: the relief-like LAMP and the image-based LAMP. Both types of LAMPs concisely represent almost all the information from a long image sequence. Methods to construct LAMP representations from video sequences with dominant translation are provided. The relief-like LAMP is basically a single extended multi-perspective panoramic view image. Each pixel has a pair of texture and depth values, but each pixel may also have multiple pairs of texture-depth values to represent occlusion in layers, in addition to adaptive resolution changing with depth. The image-based LAMP, on the other hand, consists of a set of multi-perspective layers, each of which has a pair of 2D texture and depth maps, but with adaptive time-sampling scales depending on depths of scene points. Several examples of 3D LAMP construction for real image sequences are given. The 3D LAMP is a concise and powerful representation for image-based rendering.