Abstract
Abstract Local phase information obtained by Gabor filtering may be used for texture discrimination and image segmentation purposes. Explored are the densities of isolated zero points, discontinuities and zero contours. The phase gradient and local demodulation methods are studied as well. It is shown that most of these methods can render useful boundary and region information if simple test images are considered. However, the quality of this information degrades if the textures are disturbed by a small amount of jitter or by band-limited additive noise.
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