image-processing
The discrete image gradient
taught
Approximating the partial derivatives of an image's intensity function with finite differences, giving a gradient vector at every pixel.
Taught in
-
The discrete image gradient
Digital Image Processing
Requires
- the-gradient-vector required
Required by
- Sobel and Prewitt operators required
Local knowledge map
Local knowledge map
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Solid arrows are required prerequisites; dashed are recommended or helpful. Lower rows are more foundational. Click any box to jump to that concept.