List of Figures
Profile of a line
First derivative
Second derivative
Comparison between ISEF and 2 Gaussian filters
Recognition of wrong edges with ISEF
Original image
``Opening''
Subtraction (Original image - Opening)
The 4 masks of DUDA's roads detector
Tracking process.
Search window, starting point and candidate points at step
t
2
of the process.
SPOT P image (©CNES 94)
Detection of roads
SPOT P image (Toulouse-France): Detection of a railway
Convergence of ``Snake'' algorithm during an iteration.
Problems occurring when linking from local criteria.
Original image
Fuzzy radiometry
MDRO
Conjunctive fusion
Original segment
Search area
Dynamic algorithm
Blur
Flexible, many points
Stiff, many points
Flexible, few points
Stiff, few points
Original image (Channel P)
MDRO (Channel XS3)
Laplacian valleys (XS3)
I.S.E.F. valleys (XS3)
Conjunctive fusion
Vectors from Data Base
Dynamic programming
Snake result
Original image (SPOT P)
Original image (SPOT XS3)
ISEF valleys (Channel P)
ISEF valleys (Channel XS3)
Intermediate fusion
Vectors from Data Base
Snake result
Original image (Channel P)
Original image (Channel XS3)
I.S.E.F. valleys (SPOT XS3)
Laplacian valleys (SPOT XS3)
DUDA Road Operator EMDRO (XS3)
Conjunctive fusion
Vectors from Data Base
Snake result
River Garonne -channel XS3- (©CNES 94).
River Garonne -channel XS3- : ``seed'' points and result of region growing.
Lakes ``La Ramée'' (Toulouse-France) -channel XS3- (©CNES 94).
Lakes ``La Ramée'' (Toulouse-France) -channel XS3- : ``seed'' points and result of region growing.
Gradient amplitude image of river Garonne (Toulouse-France) and edges.
Gradient amplitude image of lakes ``La Ramée'' (Toulouse-France) and edges.
River Garonne (Toulouse-France): ``Snake'' initialization and edges.
Lakes ``La Ramée'' (Toulouse-France): ``Snake'' initialization and edges.
P+XS Toulouse image (2nd band)
P+XS Toulouse image (3rd band)
Fuzzy urban mask
Result of image transformation
Segmentation image of the 2nd band
Result of image classification
Urban mask
Street classification
Thoroughfares extraction
Closing result
Urban density + thoroughfares
Dense urban center + thoroughfares
IRIT-UPS
