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This second volume includes 35 extended abstracts accepted for poster
presentation at the 8th International Symposium on Mathematical
Morphology, held in Rio de Janeiro from October 10th
to 13th, 2007. The poster sessions were intended to provide a forum
for presentation of ongoing progress in themes related to the
symposium. We also wanted students and practioners
starting in the field to have an opportunity to meet and receive
feedback from other colleagues in the area. At least half of the
accepted extended abstracts have students as co-authors.

In Brazil, about ten years ago, starting with the Brazilian Workshops
on Mathematical Morphology, some of us (still students) have had the
opportunity to meet Dr. Henk Heijmans, Dr. Jean Serra, Dr. Fernand
Meyer, Dr. Pierre Soille, Dr. Dominique Jeulin, Dr. Luc Vincent, among
other main leading researchers in the field. Those opportunities were
valuable for our formation as researchers. Now, we are happy that a
new generation of students will have again a similar opportunity,
which will certainly contribute to disseminate Mathematical Morphology
even more in our country.

This proceedings is organized in six parts. Part I ({\bf Lattice
  Theory}) presents three works related to fuzziness or to
uncertainty. Part II ({\bf Geometry and topology}) presents five works
treating subjects as topology, shape parameter estimation and
distance transforms. Part III ({\bf Segmentation}) presents eight
works concerned respectively with microarray image segmentation,
segmentation of objects in 3D images (coronary arteries, composite
fibers, polystyrene
balls), 2D segmentation (brain structures, transversal sections of
photonic fibers), interactivity in morphological segmentation, and
segmentation of color-texture images. Part IV ({\bf Machine learning})
presents two works related to the design of morphological operators
from input-output pairs of training images.  Part V
({\bf Algorithms and Architectures}) presents six works that consider,
respectively, matching of attributed sub-trees for object tracking in video
sequences, a pre-processing technique for fast computation of
binary erosions, a simulator for random media, an optimum dimension
reduction technique and morphological neural networks. At last but not
least, Part VI ({\bf Applications}) presents eleven works related to
gray-scale shape recognition, granulometry for color images,
fingerprint minutiae extraction, heart image processing,
anthropometric image treatment, motion segmentation, sand grain
characterization, tool for learning basics of morphology, document
processing, crater detection and gene regulatory system modeling in
bioinformatics, respectively.

\end{document}


Part I Lattice theory

Mathematical morphology on bipolar fuzzy sets
Bloch, I.

Mathematical morphology for two valued gray-scale images with undefined information
Cruz, M. M. C.; Doria Neto, A. D.; Santiago, R. H. N.

Associative memories based on fuzzy mathematical morphology and an application in prediction
Valle, M. E.; Sussner, P.



Part II Geometry and topology

Topological monsters in Z 3 : A non-exhaustive bestiary
Passat, N.; Couprie, M.; Bertrand, G.

Shape parameters estimating the symmetry with respect to a point
Robert-Inacio, F.

Distance transform to seeds: Computation and application
Saúde, A. V.; Couprie, M.; Lotufo, R. A.

On a generative topology for the digital plane
Slapal, J.

Centres of maximal balls extracted from a fuzzy distance transform
Svensson, S.




Part III Segmentation

Gray-level hit-or-miss transform based region-growing for automatic segmentation of 3D coronary arteries
Bouraoui, B.; Ronse, C.; Baruthio, J.; Passat, N.; Germain, P.

Robust 3D segmentation of composite materials fibres
Combaret, N.; Talbot, H.

Automatic microarray gridding by mathematical morphology
Dantas, D. O.; Barrera, J.

Watershed segmentation: Switching back and forth between markers and hierarchies
Klava, B.; Hirata, N. S. T.

Contour segmentation of the transversal section of photonic fibers in SEM images using mathematical morphology
Mariano, A.; Castel lano, G.

Topologically-based segmentation of brain structures from T1 MRI
Miri, S.; Passat, N.; Armspach, J.

J-image based color-texture segmentation using watershed and hierarchical clustering
Santos, T. T.; Morimoto, C. H.; Chel lappa, R.

Segmentation of 3D nano-scale polystyrene balls
Tankyevych, O.; Marak, L.; Talbot, H.; Dokladal, P.



Part IV Machine learning

Exploring window selection strategies for two-level binary image operator design
Santos, C. S.; Hirata Jr., R.

An entropy minimization approach for designing W-operators
Vaquero, D. A.; Barrera, J.; Hirata Jr, R.




Part V Algorithms and architectures

Attribute sub-tree matching algorithm
Körbes, A.; Silva, A. G.; Lotufo, R. A.

Efficient binary erosion algorithm based on a string-matching-like technique
Machado, A. F.; Hashimoto, R. F.; Lago, A. P.

Some theoretical aspects and experimental results on feedforward morphological neural networks
Monteiro da Silva, A.; Sussner, P.

SIMEA: An advanced framework for random media simulation
Nion, T.; Jeulin, D.; Fricout, G.

A branch-and-bound optimization algorithm for U-shaped cost functions on Boolean lattices
Ris, M.; Barrera, J.

A brief introduction to a two-layer morphological associative memory based on fuzzy operations
Sussner, P.; Esmi Laureano, E.




Part VI Applications

Rotation, scale and translation-invariant segmentation-free grayscale shape recognition using mathematical morphology
Araujo, S. A.; Kim, H. Y.

Chromaticity constant: a new ordering for automated extraction of grain-size data from true colour images
Calixto, E. P.; Conci, A.

Fingerprint minutiae extraction using topographic distances
Climent, J.

Computing rotation centers of the heart from tagged MRI
Jacob, J.; Vachier, C.; Daire, J.; Hyacinthe, J.; Val lée, J.

Fiducial markers detection in anthropometric images
Kogler Junior, J. E.; Camargo, P. F. F.; Junoir, T. W. T.; Coelho, E.

A morphological gradient-based method to motion segmentation
Lara, A. C.; Hirata Jr., R.

Granulometric and morphometric characterization of sand grains
Lira, C.; Pina, P.

A JavaScript tool to present Mathematical Morphology to beginner
Nuñez, C. C.; Conci, A.

Perceptual hashing for hardcopy document authentication using morphological segmentation
Shimizu, D. M.; Kim, H. Y.

A structural PGN model for control of cell-cycle progression
Trepode, N. W.; Armelin, H. A.; Bittner, M.; Barrera, J.; Gubitoso, M. D.; Hashimoto, R. F.

Classification of objects consisting of multiple segments with application to crater detection
Urbach, E. R.