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Portable Document Format (PDF), standardized as ISO 32000, is a file format developed by Adobe in 1992 to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.
superseded by Jpeg XL Yes FPX: FlashPix (1.0.2) .fpx ... PDF: Portable Document Format Adobe Systems ... colour variant of original black-and-white bitmap (bmp) format
The JPEG filename extension is JPG or JPEG. Nearly every digital camera can save images in the JPEG format, which supports eight-bit grayscale images and 24-bit color images (eight bits each for red, green, and blue). JPEG applies lossy compression to images, which can result in a significant reduction of the file size.
While data reduction (compression, be it lossy or lossless) is a main goal of transform coding, it also allows other goals: one may represent data more accurately for the original amount of space [5] – for example, in principle, if one starts with an analog or high-resolution digital master, an MP3 file of a given size should provide a better ...
The original JPEG standard is the most commonly used and widely supported lossy image coding format. It was first released in 1992 by ITU-T and ISO/IEC . Although Annex H to ISO/IEC 23008-12 specifies JPEG (and indirectly Motion JPEG ) as a possible format for HEIF coded image data, it is used in HEIF only for thumbnails and other secondary images.
JPEG/JFIF supports a maximum image size of 65,535×65,535 pixels, [11] hence up to 4 gigapixels for an aspect ratio of 1:1. In 2000, the JPEG group introduced a format intended to be a successor, JPEG 2000, but it was unable to replace the original JPEG as the dominant image standard. [12]