Digital filtering of low-contrast images with the possibility of structural analysis by segmentation in connected domains

Details Digital filtering of low-contrast images with the possibility of structural analysis by segmentation in connected domains Digital filtering of low-contrast images with the possibility of structural analysis by segmentation in connected domains

Jun 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985jopt...16..107r&link_type=abstract

Journal of Optics (ISSN 0150-536X), vol. 16, May-June 1985, p. 107-113. In French.

Physics

Optics

5

Digital Filters, Image Filters, Image Processing, Bandpass Filters, Globular Clusters, Physiology, Solar Granulation

Scientific paper

A digital filtering technique is developed by analogy to the optical blurred-mask procedure and applied to astronomical images, demonstrating its usefulness in cases where the image is to be segmented by intensity levels into connected domains after processing. Images of granules on the solar surface, globular clusters, Venus and its atmosphere, and a solar prominence are treated; and the physiological implications of the blurred-mask filter are discussed.

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