Phrase guide
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noun
A discrete differentiation operator that computes an approximation of the gradient of the image intensity function, used in image processing and computer vision, particular for detecting edges.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: Sobel-Feldman operator, Sobel filter
Antonyms: none provided
History
Based on the work of Irwin Sobel.
