A general framework for low level vision

  • Authors:
  • N. Sochen;R. Kimmel;R. Malladi

  • Affiliations:
  • Dept. of Phys., California Univ., Berkeley, CA;-;-

  • Venue:
  • IEEE Transactions on Image Processing
  • Year:
  • 1998

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Abstract

We introduce a new geometrical framework based on which natural flows for image scale space and enhancement are presented. We consider intensity images as surfaces in the (x,I) space. The image is, thereby, a two-dimensional (2-D) surface in three-dimensional (3-D) space for gray-level images, and 2-D surfaces in five dimensions for color images. The new formulation unifies many classical schemes and algorithms via a simple scaling of the intensity contrast, and results in new and efficient schemes. Extensions to multidimensional signals become natural and lead to powerful denoising and scale space algorithms