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| | JPEG - Wikipedia, the free encyclopedia |
 | | However, JPEG is a well established standard with plenty of software available, including free software, so it continues to be heavily used as of 2006. | | | JPEG itself specifies only how an image is transformed into a stream of bytes, but not how those bytes are encapsulated in any particular storage medium. | | | In computing, JPEG (pronounced jay-peg) is a most commonly used standard method of lossy compression for photographic images. |
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http://en.wikipedia.org/wiki/JPEG
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| | Photo.net - Jpeg Compression by Gordon Richardson |
| | Other implementations are the Pegasus Jpeg Library, and the version used in Photoshop. | | | Jpeg is a discrete algorithm, and for a given quality setting different input images may give widely differing file sizes. | | | Use of Jpeg images as input for editing can be problematic, particularly since resizing/resampling may move the boundaries of the 8X8 pixel blocks. |
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http://www.photo.net/learn/jpeg
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| | GRAPHICS: JPEG graphics |
| | The JPEG algorithm was optimized for compressing conventional pictorial photographs and is also good at handling complex illustrations. | | | This is possible because the JPEG algorithm discards "unnecessary" data as it compresses the image, and it is thus called a "lossy" compression technique. | | | The JPEG algorithm is best at compressing smooth tonal transitions and cannot properly reproduce the harsh transitions at the edges of diagrammatic graphics. |
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http://www.webstyleguide.com/graphics/jpegs.html
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| | fractalus - PNG, JPEG, and Fractals |
| | What's even nicer is you can usually tell your JPEG software how much data it should consider relevant; the more data that's considered unimportant, the more it can be adjusted to improve compression and reduce the size of the file. | | | These JPEGs were produced by simply loading the 256-color GIF into a graphics program, then saving the results out as JPEGs. | | | If the software you are using is producing lousy JPEGs from your fractals, it may not be because it's JPEG--it may be because the software is lousy! |
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http://www.fractalus.com/info/png-jpeg.htm
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| | JPEG image compression FAQ, part 1/2 |
| | The only real solution is to combine lossy JPEG storage of the image with lossless storage of a transparency mask using some other algorithm. | | | JPEG does not support transparency and is not likely to do so any time soon. | | | A transparent JPEG done this way could easily be double the size of a non-transparent JPEG. |
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http://www.faqs.org/faqs/jpeg-faq/part1
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| | JPEG IFilter - Microsoft Indexing Service Filter for JPEG Files |
| | JPEG IFilter is a software component that provides benefits together with other Windows applications. | | | JPEG IFilter is the only tool that allows to index EXIF properties of the JPEG (JFIF) files in Windows 2000. | | | JPEG IFilter is a content indexing filter for JPEG (JFIF) image files. |
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http://www.aimingtech.com/jpeg_ifilter
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| | JPEG JFIF |
| | JPEG JFIF, which is what people generally mean when they refer to "JPEG", is a file format created by the Independent JPEG Group (IJG) for the transport of single JPEG-compressed images. | | | The widely used IJG implementation was first publicly released in October 1991 and has been considerably developed since that time. | | | There is more information about the "lossless and near lossless" JPEG-LS format (and the closely related LOCO-I format) from HP. |
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http://www.w3.org/Graphics/JPEG
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| | DataCompression.info - JPEG |
| | The JPEG Wizard is based around the premise that altering and processing an image at the algorithmic level instead of the visual level greatly preserves the quality of an image. | | | A decoder for images compressed by the JPEG algorithm is stated in the pure functional programming language Gofer. | | | The Independent JPEG Group is a source of free JPEG software. |
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http://datacompression.info/JPEG.shtml
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| | Reference Guide: Graphics Technical Options and Decisions |
| | The JPEG format was developed to reduce the file size of photographic images while maintaining quality. | | | The JPEG file format is the right choice for photographs and other images with continuous-tone color gradations. | | | As always in Web design, you must find a balance this time between quality and file size. |
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http://www.devx.com/projectcool/Article/19997/0/page/3
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| | The JPEG file format |
| | Unfortunately, M-JPEG is a non-standard variant of the JPEG algorithm, so many different implementations exist. | | | Recently the JPEG committee has released a new version of their file format called JPEG2000. | | | In the mean time, the JFIF format has been superseded by a new file format called SPIFF (the Still Picture Interchange File Format) which was completed in 1996. |
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http://www.prepressure.com/formats/jpeg/fileformat.htm
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| | JPEG and JPEG2k Artifacts |
| | From here, special-purpose optimization programs such as PNGOUT and OptiPNG can be used to further reduce the file size by 8% to 24,623 bytes. | | | Also, there are many images in science which get analyzed by computers with no human visual system hindrances. | | | This problem appears to be worse in JPEG than in JPEG2000: but beware - the images below were of different file size. |
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http://ai.fri.uni-lj.si/~aleks/jpeg/artifacts.htm
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| | V-Methods -- JPEG Imager -- Interactive image compressor and optimizer |
| | Working with JPEG Imager you can acquire, enhance and optimize your images not having to use any other programs. | | | In short, JPEG Imager is perfect for Quality vs. File Size optimization. | | | Improved speed of the resampling and convolution filtering algorithms. |
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http://www.v-methods.com/ji
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| | Microsoft Security Bulletin MS04-028: Buffer Overrun in JPEG Processing (GDI+) Could Allow Code Execution (833987) |
| | Any program that processes JPEG images on the affected systems could be vulnerable to this attack, and any system that uses the affected programs or components could be vulnerable to this attack. | | | If you use the Gdiplus.dll file for JPEG processing you should consider updating your application to use the updated version of the Gdiplus.dll file. | | | Not every program that installs this file is vulnerable to this issue because it may not use the Gdiplus.dll file to process JPEG images. |
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http://www.microsoft.com/technet/security/bulletin/MS04-028.mspx
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| | VIPER - JPEG Tutorial (by Ray Wolfgang) |
| | Many commercial packages import and export files in JPEG format (MATLAB, Adobe Photoshop, etc.). | | | JPEG, unlike other formats like PPM, PGM, and GIF, is a | | | If you have any problems with this document, or would like more information, please send email to ace@ecn.purdue.edu |
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http://stargate.ecn.purdue.edu/~ips/tutorials/jpeg/jpegtut1.html
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| | Pegasus Imaging Online JPEG Compression Wizard |
| | A few seconds after you submit your JPEG image, you will be e-mailed a link to a temporary web page with several optimized and/or "transformed" images including comparison data about size and download time for that image. | | | The free JPEG Wizard Online Optimizer provides highly optimized JPEG compression. | | | The JPEG Wizard Online Optimizer will also rotate and mirror your JPEG file. |
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http://www.jpegwizard.com
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| | Megapixel.net |
| | There are several versions of JPEG, some proprietary. | | | This is one of the reasons you can get as many images into the digital cameras. | | | JPEG takes areas of 8 X 8 pixels and compresses the information to its lowest common value. |
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http://www.megapixel.net/cgi-bin/glossary.pl?key=jpeg
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| | JPEG: Digital Imaging: Glossary: Learn: Digital Photography Review |
| | The only benefit of this low quality level is that it illustrates what JPEG is doing in a more subtle way at higher quality levels. | | | JPEG: Digital Imaging: Glossary: Learn: Digital Photography Review | | | JPEG compression divides the image in squares of 8 x 8 pixels which are compressed independently. |
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http://www.dpreview.com/learn?/Glossary/Digital_Imaging/JPEG_01.htm
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| | ABC-Dir: Jpeg |
| | An easy to use JPEG optimizer that can reduce photos up to 90 percent. | | | Reduces the size of your JPEG files so that they will load faster. | | | JPEG 2000 is a new image encoding standard that provides a feature set vital to many high end and emerging... |
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http://www.abc-directory.com/view/jpeg
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| | JPEG - Webopedia.com |
| | Provides a brief explanation on the use of JPEG formats, along with several examples of JPEG images at different quality levels. | | | Describes compression basics for GIF and JPEG Web images, along with related links and examples. | | | Although it can reduce files sizes to about 5% of their normal size, some detail is lost in the compression. |
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http://winplanet.webopedia.com/TERM/J/JPEG.html
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| | Independent JPEG Group |
| | If you'd like to learn about how JPEG works, start with the comp.compression FAQ. | | | To learn more about how to use JPEG, see the JPEG FAQ. | | | IJG is an informal group that writes and distributes a widely used free library for JPEG image compression. |
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http://www.ijg.org
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| | Pegasus Imaging PICVideo MJPEG Video Codec, Motion JPEG Compression & Decompress |
| | PICVideo MJPEG Filtergraph SDK is $499 (distribution license required). | | | PICVideo is the fastest M-JPEG codec available, and is perfect for viewing Motion JPEG files on Windows Media Player. | | | Access the Video for Windows Codec using the Microsoft Video for Windows SDK and the downloadable trial version of the PICVideo Motion JPEG Codec. |
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http://www.jpg.com/picvideomjpeg.htm
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| | Chami.com Online JPEG Compressor |
| | Online JPEG compressor can help you to make your pages load faster by reducing the size of your JPEG files. | | | It will display multiple versions of a given image compressed at different levels for you to pick the smallest image at the best possible image quality you require. | | | If "Show larger images" option is checked, compression ratios resulting in image sizes larger than the size of your original image will also be displayed. |
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http://www.chami.com/jc
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| | Welcome to JPEG |
| | As well as our members' site, it offers other useful sources of information about the JPEG and JBIG committees and their standards. | | | Find out more about the exciting possibilities opened up by the new JPEG 2000 standard. | | | Learn or ask questions about JPEG in its different application areas. |
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http://www.jpeg.org
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