Meanings
nounSobel operator (plural Sobel operators)
plural Sobel operators
- 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.
Synonyms: Sobel-Feldman operator, Sobel filter
Synonyms & antonyms
nounA 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.
Origin
Based on the work of Irwin Sobel.
Full word history & related roots →Cite this entry
APA
Sobel operator. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Sobel%20operator
MLA
“Sobel operator.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Sobel%20operator. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “Sobel operator,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Sobel%20operator.
Source: Sobel operator on Wiktionary, CC BY-SA 4.0.