Restoration of brick and stone relief from single rubbing images

Zhuwen Li, Song Wang, Jinhui Yu, Kwan-Liu Ma

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

We present a two-level approach for height map estimation from single images, aiming at restoring brick and stone relief (BSR) from their rubbing images in a visually plausible manner. In our approach, the base relief of the low frequency component is estimated automatically with a partial differential equation (PDE)-based mesh deformation scheme. A few vertices near the central area of the object region are selected and assigned with heights estimated by an erosion-based contour map. These vertices together with object boundary vertices, boundary normals as well as the partial differential properties of the mesh are taken as constraints to deform the mesh by minimizing a least-squares error functional. The high frequency detail is estimated directly from rubbing images automatically or optionally with minimal interactive processing. The final height map for a restored BSR is obtained by blending height maps of the base relief and high frequency detail. We demonstrate that our method can not only successfully restore several BSR maps from their rubbing images, but also restore some relief-like surfaces from photographic images.

Original languageEnglish (US)
Article number5708141
Pages (from-to)177-187
Number of pages11
JournalIEEE Transactions on Visualization and Computer Graphics
Volume18
Issue number2
DOIs
StatePublished - Jan 1 2012

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Brick
Restoration
Partial differential equations
Erosion
Processing

Keywords

  • 3D modeling
  • cultural heritage
  • geometric constraints
  • relief
  • restoration
  • rubbing images

ASJC Scopus subject areas

  • Software
  • Signal Processing
  • Computer Vision and Pattern Recognition
  • Computer Graphics and Computer-Aided Design

Cite this

Restoration of brick and stone relief from single rubbing images. / Li, Zhuwen; Wang, Song; Yu, Jinhui; Ma, Kwan-Liu.

In: IEEE Transactions on Visualization and Computer Graphics, Vol. 18, No. 2, 5708141, 01.01.2012, p. 177-187.

Research output: Contribution to journalArticle

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