edge focusing
edge focusing
[′ej ‚fō·kəs·iŋ] (electromagnetism)
Axial focusing of a stream of ions which occurs when it crosses a fringe magnetic field obliquely; used in mass spectrometers and cyclotrons.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
Bergholm [21] introduced the concept of
edge focusing and tracked edges from coarse to fine to mask weak and noisy edges.
Multiresolution contour detection may be classified into
edge focusing and position-dependent blurring.
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