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Sobel operator

The Sobel operator, sometimes called the Sobel–Feldman operator or Sobel filter, is used in image processing and computer vision, particularly within edge detection algorithms where it creates an image emphasizing edges. It is named after Irwin Sobel and Gary M. Feldman, colleagues at the Stanford Artificial Intelligence Laboratory (SAIL). Sobel and…

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ConvolutionDerivativesSignal processingPythagorean additionAtan2
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Mean squaredFourier domainFilter designOptical flowMotion estimation
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Technical details

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Sobel operator

Nodes27
Edges26
Triples6
Avg. degree1.93
Density0.074074
Components1

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Sobel operator

Top relations

related to Technical details · 5
Sobel operator → As, Furthermore, Gx, Gy, Sobel
is a · 1
Sobel operator → Kayyali operator

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Important terminology

image gradient sobel operator feldman filter displaystyle derivative kernels point filters derivatives mathbf angle vertical approximation example processing edge presented

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Sobel operatoris aKayyali operator0.90text
Sobel operatorrelated to Technical detailsAs0.60section
Sobel operatorrelated to Technical detailsSobel0.60section
Sobel operatorrelated to Technical detailsFurthermore0.60section
Sobel operatorrelated to Technical detailsGx0.60section
Sobel operatorrelated to Technical detailsGy0.60section

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