The Intensity Constrained Flat Kernel Filtering (ICFK) scheme is a dual domain (spatial and intensity) nonlinear
framework which has been shown to generate useful filters for image processing. This paper proposes a new filter
developed within the ICFK framework. Although local in nature the filter is designed to suppress large scale spatial
features within the image. As in every other filter derived within the scheme the suppressed features are defined by two
parameters: size of the kernel and intensity range. The filter, a single-step procedure, is applied to removal of hair
artifacts in skin lesion epiluminescence microscopy images, the task essential in assisting in automated segmentation of
imaged area into lesion and surrounding skin. Results of the experiments on 400 dermatoscopic images of lesions with
hair indicate suitability of the method as an aid in lesion segmentation by suppressing hair or vascular features near the
lesion borders.
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