Traditional Culture Encyclopedia - Photography major - The difference between HD camera 1080P, D 1 and CIF
The difference between HD camera 1080P, D 1 and CIF
720P is one million pixels with a resolution of 960 * 720/1280 * 720;
The resolution of D 1 reaches 704 * 576;
The resolution of CIF reaches 352 * 288;
SCIF didn't know it should be QCIF, and the resolution of QCIF reached 176* 144.
Extended data pixel value: when the camera says pixel, it actually refers to the largest pixel. Pixel is the unit of resolution, and this pixel value is only the effective maximum resolution supported by the camera.
300,000 640×480
500,000 800×600
806,5438+0024× 768 5 inches (3.5× 5 inches)
1.3 million 1.280× 960 6 inches (4× 6 inches)
2 million 1600× 12008 inches (6× 8 inches) 5 inches (3.5× 5 inches)
365438+ million 2048×153610 "(8×10 inch) 7" (5× 7 inch)
4.3 million 2400× 1800 12 inch (10× 12 inch) 8 inch (6× 8 inch)
5 million 2560× 1920 12 inch (10× 12 inch) 8 inch (6× 8 inch)
6 million 3,000× 200014 "(114 inch)10" (8×10 inch).
8 million 3264× 248816 "(12×16 inch)10" (8×10 inch).
1 1 4080× 2720 20 inches (16× 20 inches) 12 inches (10× 12 inches).
144,536× 3024 24 inches (18× 24 inches) 14 inches (1 1× 14 inches).
All the above are approximate sizes.
unit
When the picture size is in pixels, we need to specify its fixed resolution in order to convert the picture size into the actual size in reality. For example, the resolution of the most commonly used pictures in web pages is 72, that is, 7265438 pixels per inch +0 inch equals 2.54 cm, then it can be concluded that each cm equals 28 pixels through conversion; Another example is a picture with the length of 15x 15cm, which is equal to the length of 420*420 pixels.
Dots per inch DPI
LPI line per inch
PPI pixels per inch
References:
Baidu encyclopedia-pixel
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