A pixel is defined as the smallest element of a digital image. Let's think of an image as a matrix of a lot of tiny boxes, where each box has a fixed color intensity. We can refer to each of these boxes as a pixel.
Pixel resolution is the total pixel count in a digital image. It is usually written as the total number of horizontal pixels by the total number of vertical pixels. For example, a common resolution is
Pixel resolution can be written in various forms. For example, a pixel resolution of
Another common term used to refer to pixel resolution is megapixels. It is the total amount of pixels in an image divided by 1 million. For example, a
Aspect ratio refers to the ratio of the total number of horizontal pixels to the total number of vertical pixels. For example, a
Image compression is another phenomenon that is linked to pixel resolution. Images are compressed to reduce their size. To do so, we need to reduce the number of pixels in the image. Hence, compression can be done by scaling down the image and reducing its overall resolution.
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