Image resolution refers to the clarity and detail of a visual representation, measured in various units like pixels per inch or pixels per centimeter. These units help determine how much detail can be captured and displayed in digital images, whether on screens or printed media. From the smallest pixel to the largest print dimension, resolution is key to ensuring that images are sharp, clear, and accurate. This category is essential for photographers, designers, and anyone working with visual media, as it affects everything from screen quality to print fidelity.
- Pixel: The smallest unit of a digital image, representing a single point of color.
- Pixels-per-inch (PPI): A measure of image resolution, indicating how many pixels are present in one inch of the display.
- Pixels-per-millimeter (PPM): A measure of image resolution, indicating how many pixels are present in one millimeter of the display.
- Centimeter (cm): A unit of length used to represent physical dimensions of an image.
- Millimeter (mm): A smaller unit of length used for fine measurements of image resolution.
- Inch (in): A common unit of length for displaying image resolution.
- Point: A typographical unit of measure for font size and image resolution (1 point = 1/72 of an inch).
- Em: A unit of measurement used in typography, representing the size of the font.
- Root-em: A unit in typography, used for relative sizing, based on the current font size.
