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Joint Photographic Experts Group - translation to italian
Joint Photographic Experts Group
JPEG (Gruppo riunito di esperti fotografici, gruppo autore della norma d"uso nella compressione di immagini)
JPEG compression
![The DCT transforms an 8×8 block of input values to a [[linear combination]] of these 64 patterns. The patterns are referred to as the two-dimensional DCT ''basis functions'', and the output values are referred to as ''transform coefficients''. The horizontal index is <math>u</math> and the vertical index is <math>v</math>.](https://commons.wikimedia.org/wiki/Special:FilePath/Dctjpeg.png?width=200 "The DCT transforms an 8×8 block of input values to a [[linear combination]] of these 64 patterns. The patterns are referred to as the two-dimensional DCT ''basis functions'', and the output values are referred to as ''transform coefficients''. The horizontal index is <math>u</math> and the vertical index is <math>v</math>.")
![The compressed 8×8 squares are visible in the scaled-up picture, together with other visual artifacts of the [[lossy compression]].](https://commons.wikimedia.org/wiki/Special:FilePath/Jpegvergroessert.jpg?width=200 "The compressed 8×8 squares are visible in the scaled-up picture, together with other visual artifacts of the [[lossy compression]].")
CONFLATION OF MULTIPLE TOPICS INCLUDING COMPRESSION ALGORITHMS, VARIOUS FILE FORMATS, STANDARDS/TECHNICAL SPECIFICATIONS AND A NON-PROFIT ORGANISATION
JPG; Jpeg; Jpg; JPEG file format; .JPEG; .JPG; .jpg; JPEG Image; .jpeg; .jpe; Interlaced JPEG; JPE file; PJPEG; JPIG; Jaypeg; Image/jpeg; Minimum Coded Unit; ISO 10918-1; JPEG Interchange Format; Minimum coded unit; JPEG encoding; JPEG file; JPG file; JPEG image; T.81; Data compression/JPEG; .mpo; JPEG Stereo; Progressive JPEG; PJPG; P JPG; Multi-Picture Format; .jps; JPEG Stereoscopic; Still Picture Interchange File Format; .jif; JPEG film; JPEG format; JPEG compression; JPEG photo; JPEG picture; JPEG photograph; JPEG pic; JPEG pix; .pjp; .pjpeg; .jfi; .JFI; .PJPEG; .PJP; .JPE; .JIF; JPEG 1; JPEG-1; T.83; T.84; T.86; T.872; T.873
Compressione JPEG (norma per la compressione efficace di immagini grafiche con lesioni minimali)
JPG file
CONFLATION OF MULTIPLE TOPICS INCLUDING COMPRESSION ALGORITHMS, VARIOUS FILE FORMATS, STANDARDS/TECHNICAL SPECIFICATIONS AND A NON-PROFIT ORGANISATION
JPG; Jpeg; Jpg; JPEG file format; .JPEG; .JPG; .jpg; JPEG Image; .jpeg; .jpe; Interlaced JPEG; JPE file; PJPEG; JPIG; Jaypeg; Image/jpeg; Minimum Coded Unit; ISO 10918-1; JPEG Interchange Format; Minimum coded unit; JPEG encoding; JPEG file; JPG file; JPEG image; T.81; Data compression/JPEG; .mpo; JPEG Stereo; Progressive JPEG; PJPG; P JPG; Multi-Picture Format; .jps; JPEG Stereoscopic; Still Picture Interchange File Format; .jif; JPEG film; JPEG format; JPEG compression; JPEG photo; JPEG picture; JPEG photograph; JPEG pic; JPEG pix; .pjp; .pjpeg; .jfi; .JFI; .PJPEG; .PJP; .JPE; .JIF; JPEG 1; JPEG-1; T.83; T.84; T.86; T.872; T.873
Cartella JPG (contiene immagini supercompresse con perdite minimali di componenti)
Definition
Joint Photographic Experts Group
<image, body, file format, standard> (JPEG) The original name
of the committee that designed the standard image
compression algorithm. JPEG is designed for compressing
either full-colour or grey-scale digital images of
"natural", real-world scenes. It does not work so well on
non-realistic images, such as cartoons or line drawings. JPEG
does not handle compression of black-and-white (1
bit-per-pixel) images or moving pictures. Standards for
compressing those types of images are being worked on by other
committees, named JBIG and MPEG.
http://jpeg.org/.
Filename extension: .jpg, .jpeg.
See also PJPEG.
(2000-09-11)
Wikipedia
Joint Photographic Experts Group
The Joint Photographic Experts Group (JPEG) is the joint committee between ISO/IEC JTC 1/SC 29 and ITU-T Study Group 16 that created and maintains the JPEG, JPEG 2000, JPEG XR, JPEG XT, JPEG XS, JPEG XL, and related digital image standards. It also has the responsibility for maintenance of the JBIG and JBIG2 standards that were developed by the former Joint Bi-level Image Experts Group.
Examples of use of Joint Photographic Experts Group
1. If a new digital image is taken, it must meet the following specifications: -- Image File Format: The image must be in the Joint Photographic Experts Group (JPEG) format.
2. -- Scanner Resolution: Scanned at a resolution of 150 dots per inch (dpi). -- Image File Format: The image must be in the Joint Photographic Experts Group (JPEG) format.
3. If a new digital image is taken, it must meet the following specifications: –– Image File Format: The image must be in the Joint Photographic Experts Group (JPEG) format. –– Image File Size: The maximum image file size will be sixty–two thousand five hundred (62,500) bytes.
4. If the photographic print meets the Print Size, Print Color, and Compositional Specifications, scan the print using the following scanner specifications. –– Scanner Resolution: Scanned at a resolution of 150 dots per inch (dpi). –– Image File Format: The image must be in the Joint Photographic Experts Group (JPEG) format. –– Image File Size: The maximum image file size will be sixty–two thousand five hundred (62,500) bytes. –– Image Resolution: 300 by 300 pixels. –– Image Color Depth: 24–bit color or 8–bit grayscale. [Note: Monochrome images (2–bit color depth) will not be accepted.] THE ENTRY There is only one way to enter the DV–2007 lottery. Applicants must submit an Electronic Diversity Visa Entry Form (EDV Entry Form), which is accessible only at www.dvlottery.state.gov.  Failure to complete the form in its entirety will disqualify the applicant‘s entry. Applicants will be asked to submit the following information on the EDV Entry Form. 1.