Object Recognition

Object Categorization

• Affine Category Shape Model
  • Contour fragment-based SPCF (Sampled Points from Contour Fragments) features
  • Rotation-invariant shape contexts with geometric blur

• Spectral Matching
  • Pairwise geometric descriptors between features

• Object Localization
  • RANSAC-based outlier removal

Object Identification

• Shape-Based Feature Point Extraction
  • Contour Fragment-based SPCF (Sampled Points from Contour Fragments) features

• Descriptor Computation in Bisected Local Regions
  • Rotation-invariant shape contexts with geometric blur
  • Color histogram in the opponent color space