Research Article
A Soft Shadow Detection Method Based on MRF for Remote Sensing Images
| Procedure detectShadow() | | ← solveAlpha()/By (6)/ | | / is an array records the parameter alpha for each pixel site/ | | ← /By (7)/ | | ←colorTransform | | ← /By (1)/ | | ← , | | /By (8)/ | | initSeg histogramOpacity() | | /Obtain the initial segment according to the histogram of probability computed through the opacity, / | | while (iter ≤ maxIter) | | /Apply the feature condition probability iteratively until the algorithm reaches the maximum iteration number / | | priorPercent (seg, ) | | /By Potts model/ | | /In the first iteration, seg = initSeg/ | | seg MAPcriteria(, ) | | /Segment the image into shadows and nonshadows using the MAP criteria./ | | Endwhile | | = seg; | | Return |
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