This technology is now part of modern smartphone displays.Īs a measure of the resolution of images for display on monitors, 72 dpi (dots per inch) has proven to be a sufficient value for the human eye. They enabled very high pixel densities in a very short time. But the competition for the number of pixels truly took off with the development of LED monitors. True HD offers 1920 x 1080 pixels, and the latest 8K full-format systems feature 8192 x 4320 pixels. Not so long ago, the so-called “HD-ready” PC with 1280 x 720 pixels had its time. ![]() In the early days of the PC, monitors were still devices with classic picture tubes and resolutions of 640 x 480 (VGA), then 800 x 600 (SVGA) followed. The bee image and its cropping have already illustrated how the size of pixels affects optical perception. In our guide, you’ll find out what makes up a pixel and what its role is in image representation. This is where the term “ picture cell” comes into play – a made-up word that was merged into pixel and was first used as a term around 1965. The “battle” between JPG and PNG is far from over, and already new formats are popping up on the horizon – for example, WebP, Google’s in-house image format.īut there’s one thing that all these clever technical formats need to tackle: they must be displayable on an output medium, starting with a more or less large screen with a certain resolution. This, in turn, led to the search for possibilities in image compression. Developers quickly noticed that these formats produced considerable file sizes, which were a hindrance especially for fast web applications. Popular keywords include RAW, BMP, and TIFF. ![]() Even before negative film and prints were replaced by electronic recording techniques in photography, various data formats for image files had been developed. Communications would be nothing without images – almost nothing.
0 Comments
Leave a Reply. |