Gradient operators - PowerPoint PPT Presentation

Chapter 10 Image Segmentation

Chapter 10 Image Segmentation. Image segmentation divides an image into regions that are connected and have some similarity within the region and some difference between adjacent regions. The goal is usually to find individual objects in an image.

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Chapter 10

Chapter 10. Image Segmentation. Preview. Segmentation subdivides an image into its constituent regions or objects. Level of division depends on the problem being solved.

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Feature Detection

Feature Detection. . Outline. Edge detection Gradient operators Zero-crossings of Laplacians Canny Edge Detector Corner detection. . Edge Detection. edges arise from changes in : 1. reflectance 2. orientation 3. Illumination (e.g. shadows).

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