Scale-space and edge detection using anisotropic diffusion

Pietro Perona; Jitendra Malik · IEEE Transactions on Pattern Analysis and Machine Intelligence · 1990

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Author / responsible party

Pietro Perona; Jitendra Malik

Publisher

IEEE Transactions on Pattern Analysis and Machine Intelligence

Year

1990

Language

English

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A new definition of scale-space is suggested, and a class of algorithms used to realize a diffusion process is introduced. The diffusion coefficient is chosen to vary spatially in such a way as to encourage intraregion smoothing rather than interregion smoothing. It is shown that the 'no new maxima should be generated at coarse scales' property of conventional scale space is preserved. As the region boundaries in the approach remain sharp, a high-quality edge detector which successfully exploits global information is obtained. Experimental results are shown on a number of images. Parallel hardware implementations are made feasible because the algorithm involves elementary, local operations replicated over the image.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>

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APA 7

Perona, P. & Malik, J. (1990). Scale-space and edge detection using anisotropic diffusion. https://doi.org/10.1109/34.56205

MLA

Perona, Pietro, and Jitendra Malik. "Scale-space and edge detection using anisotropic diffusion." 1990. https://doi.org/10.1109/34.56205.

Chicago

Perona, Pietro and Jitendra Malik. 1990. "Scale-space and edge detection using anisotropic diffusion.". https://doi.org/10.1109/34.56205.

Harvard

Perona, P. and Malik, J. 1990, Scale-space and edge detection using anisotropic diffusion, IEEE Transactions on Pattern Analysis and Machine Intelligence, available at: https://doi.org/10.1109/34.56205 [Accessed 8 Aug. 2026].

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Resource details

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Title: Scale-space and edge detection using anisotropic diffusion

Author / contributors: Pietro Perona; Jitendra Malik

Publisher: IEEE Transactions on Pattern Analysis and Machine Intelligence

Publication year: 1990

Language: English

Subjects

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Scale space; Smoothing; Anisotropic diffusion; Scale (ratio); Computer science; Maxima and minima; Diffusion; Space (punctuation); Class (philosophy); Edge detection; Enhanced Data Rates for GSM Evolution; Boundary (topology)