CRYSTALLOGRAM
ANALYSIS USING THE DIRECTION FIELD
Digital methods for constructing the direction field aimed to extract features
of lachrymal fluid crystallograms allow diagnosing a number of eye-diseases,
such as tumors, distrophic and inflammatory processes
Digital methods for constructing the direction field aimed to extract features
of lachrymal fluid crystallograms allow diagnosing a number of eye-diseases,
such as tumors, distrophic and inflammatory processes
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Norm
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Pathology
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Initial
image
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Smoothed
direction field
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Weight
function of the direction field
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Threshold
processing of the weight field
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Contour
preparation
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| Feature |
Norm
|
Pathology
|
| Ray unidirectedness |
658
|
307
|
| Crystal line clearness |
0,4
|
0,19
|
| Line density |
45,6
|
72,8
|
| Crystal transparency |
-0,06
|
0,02
|
Publications:
1. Biosignal-96, Brno, 1996, pp. 29-31.
2. N.Yu.Ilyasova, A.V.Ustinov, A.G.Chramov Computer Optics,1998, N18, pp.150-165.
3. N.Yu.Ilyasova, A.V.Ustinov, A.G.Khramov. Computer Optics, 1998, N18,
pp.150-165