How does decreased matrix size affect the spatial resolution of a digital image?

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Multiple Choice

How does decreased matrix size affect the spatial resolution of a digital image?

Explanation:
Spatial resolution is about how finely the scene is sampled by the digital grid of pixels. If you decrease the matrix size while keeping the same field of view, each pixel covers a larger area, so you sample the image less finely. That means small details disappear or blur, and you can’t distinguish closely spaced features as well. So the spatial resolution goes down. If you want higher resolution, you’d need more pixels (a larger matrix) or a smaller field of view so each pixel covers less area.

Spatial resolution is about how finely the scene is sampled by the digital grid of pixels. If you decrease the matrix size while keeping the same field of view, each pixel covers a larger area, so you sample the image less finely. That means small details disappear or blur, and you can’t distinguish closely spaced features as well. So the spatial resolution goes down. If you want higher resolution, you’d need more pixels (a larger matrix) or a smaller field of view so each pixel covers less area.

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