Shanmugalingam Suganthan

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Feature extraction in image data has been investigated for many years, and more recently the problem of processing images containing irregularly distributed data has become prominent. Range data are now commonly used in the areas of image processing and computer vision. However, due to the data irregularity found in range images that occurs with a variety(More)
Shadows may be formed on stained glass windows by structural bars supporting the leaded panels, or by external protective wire grilles, or by masonry, such as mullions or buttresses, or external objects, such as trees. The eye tends to ''discount'' such shadow formations when viewing the actual windows even though in the photographic images they are very(More)
The main problem of photographing stained glass windows is setting the correct exposure. An overall average exposure setting frequently results in the highlight areas being overexposed, or dark area being underexposed , or both. It is therefore necessary to provide a suitable set of image processing tools to correct the image defects. In this work describe(More)