Image Analysis I

The course is given in Period 2  (~Nov-Dec),  in the Swedish Academic year.

Examiner:

J. Bigun                  josef.bigun@ide.hh.se

Laboratory Exercises:

M. Persson         martin.persson@ide.hh.se    (Further information: Laboratory Exercises)

Litterature:

[1] B. Jahne, "Digital image processing", 4'th edition, Springer, (1997).

(The book comes with a CD-rom which includes exercises as well as the software to run these exercises with, on a windows NT or windows 95/98 environment.)

[2] Material and exercises  distributed or pointed to at the lectures
 
 

Examination:

The examination which results in a grade consists in achieving one or more of the following:

The final grade is given at the end of the  course period.

Contents (Numbers refer to chapters in Jahne, 1997)

 
Signal representation Fourier transform (FT) of continuous functions (To be distributed)

Properties of FT: Hermiticity, Convolution (To be distributed)

  FT of important signals: delta-distribution, Gaussian function, box function (To be distributed)

Signal sampling (To be distributed)

  Signal interpolation (To be distributed)
 

Introduction (Ch. 1.3-1.6)  
Spatial representation (Ch.  2.1-2.2)

Linear filtering

Sobel operator, 332-333

Separable filters, 109-111

Binomial filters 297-304

Counter example to linear filtering: median filtering 108-109

Multi-resolution (pp. 121-124 and pp. 134-138) Gaussian pyramid

Laplacian pyramid

Color (to be distributed)

Orientation (pp. 343-357)

Structure tensor and local orientation

Color display of orientation

Texture features (383-393, except section 12.3.2 ) Local Mean, Variance and Higher Moments

Local orientation as local linear symmetry feature

Laplacian (or Gaussian pyramid) pyramid as coarseness feature


Shape
 

Binary object representation: Chain code, Run-length code, Quad-tree code (pp. 502-507)

Simple shape parameters: Area, Perimeter, Circularity, Bounding box, (pp. 507-509)

Shape in binary images:  Fourier descriptors (pp. 512-516)

Shape in binary images: Erosion, Dilation, Thinning, Hit-Miss function, Boundary extraction. (pp. 489-502)

Shape in binary images:  Hough transform,  14.5.2 14.53   (pp. 462-464)
 
 

Classification (pp. 453-464, pp. 521-536)
  Feature selection

Dimensionality reduction

Classification techniques

16.3 Thresholding, Supervised Classification pp. 531-536

  14.1-14.3 Unsupervised Segmentation 453-461