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In This Chapter
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Gradients, Edges, and Contrast
- Real-World Considerations
- Gradients
- The Forward Difference Method
- The Backward Difference Method
- The Central Difference Method
- The Söbel Operator
- Second Derivative Methods
- Gradient Magnitude
- Gradient Statistics
- Single-Image Gradient Statistics
- Edges
- Linear Scale Space
- Contrast in Images
- Image Deblurring
- Superresolution
- Inpainting
- References
Abstract
In this entry various topics related to scene analysis are discussed such as gradient determination, edge detection, linear space and scale considerations, image contrast, image deblurring, superresolution, inpainting. A very approachable mathematical treatment is given, thoroughly illustrated with examples. Historical background information is also given.
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