Object Descriptors

Object Descriptors

1. Corner based

   • Gradient based
     • KLT, Harris, Shi-Tomasi LOCOCO
   • Template based
     • FAST, SUSAN, BRIEF
   • Contour based
     • DoG curve, Hyberbola, ACJ,ANDD
   • Learning based
     • Sketch tokens, Pb, gPb, tPb, MS-Pb, NMX, DSC, BEL

2. Edge based

   • Edgr
   • Differentiation based
     • Sobal
     • Canny
     • Robert

3. Visual based

   • Color
     • Color space
     • Color structure
     • Color layout
     • Color Scalable
   • Shape
     • Region based
     • Contour based
     • 3D shape
   • Texture
     • Edge histogram
     • Homogenous texture

4. Graph based

   • Eigen Vector
   • Shortest path
   • Markov Random Field
   • Minimum Spanning tree

5. Region based

   • Region growing
   • Split & Merge
     • Quad tree
     • Region Adjacency graph
     • Gaussian MRF

6. Color based

   • Color Coherent vector
   • Color moments
   • Histogram
   • Color SIFT

7. Blob based

   • Template based
     • ORB, BRISK, FREAK
   • Segmentation
     • MSER, BPLR, FLOG, IBR, EBR, MFD
   • PDE
     • SIFT, SURF, LoG,DoG,HoG,RLoG, KAZE,A-KAZE, WADE, DART

8. Texture based

   • Haralick textures
     • 13 features
   • Gray level Co occurrence Matrix
     • Entropy
     • Correlation
     • Inverse difference moment
     • Angular second moment