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MacWorld 1999 June
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MultiSpecFat4.2.99
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MultiSpecFat4.2.99.rsrc
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STR#_163.txt
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Number Pixels (within class) (within&between)
Class Pair Class-1 Class-2 Class-1 Class-2 Class-1 Class-2
Number of data values in each class pair and number of values
meeting class thresholds.
Met Threshold1 Met Threshold1&2
Number Pixels (within class) (within&between)
Class Pair Class-1 Class-2 Class-1 Class-2 Class-1 Class-2 Number Features
Number of data values in each class pair, number of values meeting
class thresholds and number of features required for each class
pair to meet optimization percent.
Met Threshold1 Met Threshold1&2
Feature extraction was stopped before the evaluation of all
class pairs was completed.
Eigenvectors could not be found while determining the feature extraction
transformation matrix.
Projection Pursuit - Numerical Optimization
Number output features:
Bhattacharyya % change:
Projection Pursuit - Feature Selection
Projection Pursuit - First Stage
BU Number feature groups:
TD Number feature groups:
Numerical optimization threshold is: %f%%
Numerical Optimization will be used.
Maximum number of output features is: %ld
Both choices up thru %ld output features, then use random choice.
Use random choice.
Split feature groups with an odd number of bands:
Begin with last feature grouping.
Initial number of features: %ld
Bottom-up threshold is: %f%%
Top-down threshold is: %f%%
Top-down/Bottom-up method used for First Stage
Top-down method used for First Stage
Uniform Channel Grouping used for First Stage
Projection Pursuit Feature Selection Algorithm
Projection Pursuit Algorithm
Feature Extraction Preprocessing will be done with:
The Last Feature Extraction Preprocessing results will be used.
No Feature Extraction Preprocessing will be done.
Feature Extraction will be done with:
No Feature Extraction will be done; preprocessing only.
A subset of the class pairs will be used.
All class pairs will be used.
Final Feature Extraction Transformation Matrix
Optimized Preprocessing Channel Transformation Matrix
After Numerical Optimization
Minimum Bhattacharyya = %9.4f
Preprocessing Channel Transformation Matrix
Channel Decision Tree Table
Number of Minimum Min Class
Features Bhattacharyya Pair Channel Grouping
The number of final features stopped at %ld because it can not grow larger than
one fewer than the minimum number of class samples of %ld.
The number of initial features was changed to %ld so that the number of bands in
any one group would be at least one fewer than the minimum number of class
samples of %ld.
Determining effective db feature matrix
Finding nearest pixel in other class
Classifying pixels
Computing final eigenvectors
Optimizing class
Class Pair
Calculating covariance inverses
Normalizing eigenvectors
Computing Sw(-1/2)Ev
Computing eigenvectors of Sw(-1/2)SbSw(-1/2)
Computing Sw(-1/2)SbSw(-1/2)
Computing eigenvector of Sw
Computing feature extraction matrix
Computing between-class scatter matrix (Sb)
Computing within-class scatter matrix (Sw)
Feature Extraction - decision boundary
Feature Extraction - discriminant analysis
Loading class statistics
Class %3ld can not be used because all pixels are from cluster(s).
Approximate maximum number of pixels per class = %ld.
Class optimization threshold = %g percent.
Between class threshold = %g.
Within class threshold = %g.
Minimum threshold number = %ld.
Decision Boundary Technique
Discriminant Analysis Technique
Feature Extraction
- %ld pixels were used that were closest to the class boundary.
No transformation matrix was generated because the number of points
in at least one class was 0. This is probably due to cluster fields
being used for the class statistics.