What is the image resolution? Why emphasize it?
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A high-resolution image contains more pixels than a low-resolution image of the same size, and has more image information and more detailed representation. This is one of the reasons why the image resolution is determined by considering output factors. If an image is displayed on the screen, the resolution is 72 pixels/inch; if it is used for a 600 Dpi printer output, it requires an image resolution of 150 pixels/inch; for printing, it requires 300 pixels. /inch high resolution. The image resolution setting should be appropriate: if the resolution is too high, the running speed is slow and the occupied disk space is large; if the resolution is too low, the expression of the image details is affected and the corresponding quality requirements cannot be achieved.