A two-dimensional filter is a mathematical tool used primarily in image processing and computer vision to modify or enhance two-dimensional signals, such as images. These filters operate on 2D data arrays (like pixels in an image) and can be used for a variety of purposes, including: 1. **Smoothing**: Reducing noise or fine details in an image (e.g., Gaussian filter). 2. **Sharpening**: Enhancing edges and fine details (e.g.
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