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HCI/ComS 575X: Computational Perception

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Presentation on theme: "HCI/ComS 575X: Computational Perception"— Presentation transcript:

1 HCI/ComS 575X: Computational Perception
Instructor: Alexander Stoytchev

2 Mathematical Morphology
January 25, 2006 HCI/ComS 575X: Computational Perception Iowa State University, SPRING 2006 Copyright © 2006, Alexander Stoytchev

3 Images and Structuring Elements
origin [Jain, Kasturi, and Schunck (1995). Machine Vision, Ch. 2]

4 Erosion Erosion of an image by a structuring element results in an image that gives all locations where the structuring element is contained in the image.

5 Dilation The union of the translations of the image A by the 1 pixels of the image B is called the dilation of A by B.

6 Notation Erosion Dilation
[Jain, Kasturi, and Schunck (1995). Machine Vision, Ch. 2]

7 Images and Structuring Elements
origin [Jain, Kasturi, and Schunck (1995). Machine Vision, Ch. 2]

8 [Jain, Kasturi, and Schunck (1995). Machine Vision, Ch. 2]

9 Erosion [Jain, Kasturi, and Schunck (1995). Machine Vision, Ch. 2]

10 [Haralick and Shapiro (1993). “Computer and Robot Vision,” Ch. 5 ]

11 [Haralick and Shapiro (1993). “Computer and Robot Vision,” Ch. 5 ]

12 Dilation

13 [Haralick and Shapiro (1993). “Computer and Robot Vision,” Ch. 5 ]

14 [Haralick and Shapiro (1993). “Computer and Robot Vision,” Ch. 5 ]

15 Real Examples

16 Segmenting the Body and Handle
[Haralick and Shapiro (1993). “Computer and Robot Vision,” Ch. 5 ]

17 Horizontal & Vertical Lines
[Haralick and Shapiro (1993). “Computer and Robot Vision,” Ch. 5 ]

18 [Haralick and Shapiro (1993). “Computer and Robot Vision,” Ch. 5 ]

19 Circles & Lines [Haralick and Shapiro (1993). “Computer and Robot Vision,” Ch. 5 ]

20 Clustering [Haralick and Shapiro (1993). “Computer and Robot Vision,” Ch. 5 ]

21 Chip [Haralick and Shapiro (1993). “Computer and Robot Vision,” Ch. 5 ]

22 [Haralick and Shapiro (1993). “Computer and Robot Vision,” Ch. 5 ]

23 Algebraic Relations [Haralick and Shapiro (1993). “Computer and Robot Vision,” Ch. 5 ]

24 Matlab Demos

25 THE END


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