Sumários

Camera Model

21 novembro 2008, 15:30 Jorge Salvador Marques

The pin hole model. Projective perspective. Homogeneous coordinates. Projective perspective in homogeneous coordinates.


Deformable contours

17 novembro 2008, 14:00 Jorge Salvador Marques

The snake algorithm. Image potential. Image energy and internal energy. Solution of variational problems. The Euler equation. Internal and image forces. The snake update.


Pixel Classification

14 novembro 2008, 15:30 Jorge Salvador Marques

Pixel classification when the training data is not classified. Data clustering in the feature space. The k-means algorithm. The single link method.


Image Segmentation

10 novembro 2008, 14:00 Jorge Salvador Marques

Pixel classification. Supervised classification with Gaussian distributions.

Example: classification of satelite images.


Image Segmentation

7 novembro 2008, 15:30 Jorge Salvador Marques

Thresholding. Estimation of the threshold. Region growing. Pixel classification.