OpenJPEG
What is OpenJPEG ? OpenJPEG is an open-source JPEG 2000 codec written in C language. It has been developed in order to promote the use of JPEG 2000, a still-image compression standard from the Joint Photographic Experts Group (JPEG). Since may 2015, it is officially recognized by ISO/IEC and ITU-T as a JPEG 2000 Reference Software. Who can use the code ? Anyone. As the OpenJPEG code is released un
JPEG特許å•é¡Œ
Last modified: 2006-11-03 11:16:17 発端 Forgent Networks ã¨ã„ã†ä¼šç¤¾ãŒ JPEG ã®ç‰¹è¨±ã‚’主張 (Thanks: matsuda ã•ã‚“ [sscience-comp:263]) [2002-07-11] Forgent Investor Relations -- Forgent Networks Clarifies Licensing Arrangement AUSTIN, Texas, Jul 11, 2002 (BUSINESS WIRE) -- Forgent(tm) Networks Inc. (Nasdaq:FORG) today clarified its licensing program regarding Forgent's JPEG data compression technology, owned by its s
JPEG特許訴訟ã¤ã„ã«çµ‚çµï¼ŒForgent社ãŒè¨´è¨Ÿã‚’å–り下ã’
JPEGフォーマットを扱ã†ã™ã¹ã¦ã®æ©Ÿå™¨ã«é©ç”¨ã§ãã‚‹ã¨ã•ã‚Œã‚‹ï¼Œã„ã‚ゆる「JPEG特許ã€ã‚’ä¿æœ‰ã™ã‚‹ç±³Forgent Networks, Inc.ã¯ï¼ŒJPEG特許ã«é–¢ã™ã‚‹ã™ã¹ã¦ã®è¨´è¨Ÿã§å’Œè§£ã«é”ã—ãŸã¨ç™ºè¡¨ã—ãŸï¼ˆãƒ‹ãƒ¥ãƒ¼ã‚¹ãƒ»ãƒªãƒªãƒ¼ã‚¹ï¼‰ã€‚JPEG特許ã¨ã¯ï¼Œç”»åƒåœ§ç¸®ã§ä¸€èˆ¬çš„ã«ç”¨ã„られる符å·åŒ–æ–¹å¼ã®ä¸€ã¤ã§ã‚る「2次元ランレングス符å·åŒ–ã€ã«é–¢ã™ã‚‹ç‰¹è¨±ã§ï¼Œç±³å›½ç‰¹è¨±ç•ªå·ãŒ4,698,672ã§ã‚ã‚‹ã“ã¨ã‹ã‚‰ã€Œ672特許ã€ã¨ã‚‚呼ã°ã‚Œã‚‹ã€‚「我々ã¯ã“ã®çµæžœã«æº€è¶³ã—ã¦ã„る。672特許ã¯ï¼Œæœ€çµ‚çš„ã«1å„„1000万米ドル以上を稼ã„ã§ãã‚ŒãŸã€‚我々ã¯ä»Šå¾Œï¼Œ746特許*1ã«é–¢ã™ã‚‹ç‰¹è¨±è¨´è¨Ÿã¨æˆ‘々ã®ã‚½ãƒ•ãƒˆã‚¦ã‚¨ã‚¢ãƒ»ãƒ“ジãƒã‚¹ã«æ³¨åŠ›ã™ã‚‹ã€ï¼ˆåŒç¤¾ chairmanå…¼CEOã®Richard Snyderæ°ï¼‰ã€‚ *1　録画ä¸ã«å†ç”Ÿã§ãるビデオ・システムã«é–¢ã™ã‚‹ç‰¹è¨±ã€‚米国特許番å·6,285,746å·ã€‚ Forgent社ã¯ã€ŒJPEG符å·åŒ–を用ã„る機器ã¯åŒç‰¹
C/C++ã§ã‚‚ã£ã¨ã‚‚ç°¡å˜ã«PNG/JPEG/BMP/ãã®ä»–ã®ç”»åƒã‚’read/writeã™ã‚‹ã«ã¯ï¼Ÿ - tuedaã®æ—¥è¨˜
例ãˆã°PNGç”»åƒãªã‚‰libpngを使ã†ã®ãŒã‚¹ã‚¿ãƒ³ãƒ€ãƒ¼ãƒ‰ãªã‚„ã‚Šæ–¹ã ãŒã€ã“ã®libpngライブラリ実ã¯ã‹ãªã‚Šä½¿ã„ãšã‚‰ã„。 ã—ã‹ã‚‚libpngãŒæœ€åˆã‹ã‚‰ç”¨æ„ã•ã‚Œã¦ã„る環境ãªã‚‰ã¨ã‚‚ã‹ãã€è‡ªåˆ†ã§ã‚½ãƒ¼ã‚¹ã‚’å–ã£ã¦ãã¦ã‚³ãƒ³ãƒ‘イルã—ã¦ä½¿ãˆã‚‹ã‚ˆã†ã«ã™ã‚‹ã®ã¯çµæ§‹å¤§å¤‰ãªã“ã¨ãŒå¤šã„。 å“質・速度ã¯ã©ã†ã§ã‚‚ã„ã„ã‹ã‚‰ã¨ã«ã‹ãread/writeã ã‘手軽ã«ã—ãŸã„時ã«ã¯ã“れらを使ã†ã®ã¯ã„ã„é¸æŠžè‚¢ã§ã¯ãªã„。 ãã“ã§Sean Barrettã•ã‚“ã®ï¼‘ファイルã§PNGã‚‚JPEGã‚‚BMPã‚‚ãã®ä»–ã„ã‚ã„ã‚èªã‚ã¦ã—ã¾ã†å¤¢ã®ãƒ©ã‚¤ãƒ–ラリãŒå½¹ã«ç«‹ã¤ã€‚ （１ファイルã¨è¨€ã£ã¦ã‚‚４５ï¼ï¼è¡Œã‚‚ã‚ã‚‹ã‘ã©ï¼‰ 上記HPã®ã€ public domain JPEG decompression public domain PNG decompression public domain BMP, TGA, PSD loading public domain ZLI
[ヅ] jheadã§JPEG写真ã®EXIFæƒ…å ±(ä½ç½®æƒ…å ±ã‚„å›žè»¢æƒ…å ±ãªã©)を削除ã™ã‚‹ (2011-10-09)
jhead 㯠JPEG ファイル㮠EXIF æƒ…å ±ã‚’ç·¨é›†ã™ã‚‹ã“ã¨ãŒã§ãるコマンドラインã®ãƒ„ール。 Exif Jpeg header manipulation tool ã‹ã‚‰ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã™ã‚‹ã“ã¨ãŒã§ãる。 EXIFæƒ…å ±ã‚’å‰Šé™¤ã™ã‚‹ã«ã¯ -purejpg オプションを指定ã™ã‚‹ã€‚ $ jhead -purejpg *.jpg ã“ã‚Œã§å†™çœŸãƒ•ã‚¡ã‚¤ãƒ«ã®EXIFæƒ…å ±ã‚’ã¾ã¨ã‚ã¦å‰Šé™¤ã™ã‚‹ã“ã¨ãŒã§ãる。 EXIFã«ã¯ã„ã‚ã„ã‚ãªæƒ…å ±ãŒå«ã¾ã‚Œã¦ã„る。 撮影ã—ãŸå ´æ‰€ã‚„カメラを傾ã‘ãŸæ–¹å‘ãªã©ã€‚ iPhoneãªã©ã®ã‚¹ãƒžãƒ¼ãƒˆãƒ•ã‚©ãƒ³ã§å†™çœŸã‚’撮るã¨GPSã«ã‚ˆã‚‹ç¾åœ¨ä½ç½®æƒ…å ±ã‚’ä»˜ã‘ã¦ã—ã¾ã†ã“ã¨ãŒã‚ã‚‹ã®ã§ã€ãã†ã„ã†å†™çœŸã‚’インターãƒãƒƒãƒˆä¸Šã«å…¬é–‹ã™ã‚‹ã¨ãã¯EXIFを削除ã—ã¦ãŠã„ãŸã»ã†ãŒç„¡é›£ãªã“ã¨ã‚‚ã‚る。自宅やè·å ´ã®ä½ç½®ãŒEXIFã«å«ã¾ã‚Œã¦ã—ã¾ã†ã“ã¨ã‚‚ã‚ã‚‹ã®ã§æ³¨æ„。 ã¾ãŸã€EXIFæƒ…å ±ãŒæ®‹ã£ã¦ã„ã‚‹ã‹ã©ã†ã‹ã‚’判æ–ã™ã‚‹éš›ã«ã¯ã€ Mozill
見ãŸç›®ã¯ãã®ã¾ã¾ã§ã€JPEGç”»åƒã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚µã‚¤ã‚ºã‚’1/5ã«è»½é‡åŒ–ã™ã‚‹ã‚ªãƒ³ãƒ©ã‚¤ãƒ³ã‚µãƒ¼ãƒ“ス -JPEGmini | コリス
JEPGç”»åƒã®è¦‹ãŸç›®ã®å“質をç¶æŒã—ã¤ã¤ã€ãƒ•ã‚¡ã‚¤ãƒ«ã‚µã‚¤ã‚ºã‚’1/5ã«è»½é‡åŒ–ã™ã‚‹ã‚ªãƒ³ãƒ©ã‚¤ãƒ³ã‚µãƒ¼ãƒ“スを紹介ã—ã¾ã™ã€‚ ※1/5ã¯ç”»åƒã«ã‚ˆã£ã¦å·®ãŒã‚ã‚Šã¾ã™ã€‚ JPEGmini 左：オリジナル（3662KB）ã€å³ï¼šJPEGmini（628KB） [ad#ad-2] サイトã§ã¯ãƒ‡ãƒ¢ã®JPEGç”»åƒãŒ4種類ã‚ã‚Šã€ä¸å¤®ã®ã‚¹ãƒ©ã‚¤ãƒ€ãƒ¼ã‚’æ“作ã™ã‚‹ã“ã¨ã§å·¦ï¼šã‚ªãƒªã‚¸ãƒŠãƒ«ã€å³ï¼šJPEGminiã€è¦‹ãŸç›®ã®å“質を比較ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚
Google offers JPEG alternative for faster Web - CNET
Culture Google offers JPEG alternative for faster Web With WebP, Google hopes to drastically cut data-transfer barriers to Web browsing. But it's not easy to challenge JPEG's dominance. It turns out there was more to Google's WebM technology than just a plan to revolutionize Web-based video. The company also wants to revolutionize still images on the Web with a new format called WebP. Google plans
NetBSD Page
Let's play USB Webcam on NetBSD Table of contents USB camera based the OV519 chipset USB camera based the SQ905 chipset USB camera based the NW802 chipset USB camera based the SN9C101 chipset[New 5/21] CREATIVE WEBCAM Notebook USB camera based CPiA2 chip USB camera based SPCA561A chip Qcam Pro 4000 Quickcam Express Old News Logicool Qcam Express I caught reports that NetBSD/macppc(UHCI) not work,
Exif Jpeg header manipulation tool
Things jhead can extract from an Exif jpeg file Time and date picture was taken Camera make and model Integral low-res Exif thumbnail Shutter speed Camera F-stop number Flash used (yes/no) Distance camera was focused at Focal length and calculate 35 mm equivalent focal length Image resolution GPS info, if stored in image IPTC header XMP data Things jhead can modify in an exif jpeg file Up-right im
Exif Viewer - a Mozilla Firefox/Pale Moon Extension
Overview Welcome to the home page for the Exif Viewer, a Mozilla Firefox/Pale Moon/Google Chrome extension that extracts and displays the EXIF (Exchangeable Image File), IPTC-NAA/IIM (International Press Telecommunications Council - Newspaper Association of America / Information Interchange Model), and IPTC Core (Adobe XMP (Extensible Metadata Platform)) metadata, as stored by digital still camera
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作者ホームページサービス（hp.vector）ã¯çµ‚了ã„ãŸã—ã¾ã—ãŸã€‚ 長らãã®ã”利用ã€ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã™ã€‚ ã”ä¸æ˜Žãªç‚¹ãŒã‚ã‚Œã°ã€ãŠå•ã„åˆã‚ã›ãƒšãƒ¼ã‚¸ã‚’ã”覧ã®ä¸Šã€ãŠå•ã„åˆã‚ã›ãã ã•ã„。 ※15秒後ã«ãƒˆãƒƒãƒ—ページã«æˆ»ã‚Šã¾ã™ã€‚ (c) Vector HOLDINGS Inc.All Rights Reserved.
FxIF :: Add-ons for Firefox
FxIF and WebExtensions FxIF is an old style Addon. I don’t have the time or the knowledge for porting it. So it will stop working in FF 57. If someone wants to volunteer, please send me a message. What’s it FxIF (Firefox exIF) allows you to view meta information data contained in JPEG images from the convenience of your Firefox (or SeaMonkey or other compatible) browser. Most digital cameras add E
JPEGclub.org
JPEGclub.org develops new JPEG features and maintains the Independent JPEG Group's (IJG) software. The current version is release 9f of 14-Jan-2024. It is the only true source reference JPEG codec. New features and enhancements have been developed for the three major parts of the IJG library: the compression, the decompression, and the transcoding parts. These parts are represented by the three ma
Independent JPEG Group
IJG is an informal group that writes and distributes a widely used free library for JPEG image compression. The first version was released on 7-Oct-1991. The current version is release 9f of 14-Jan-2024. This is a stable and solid foundation for many application's JPEG support. You can find our original code and some supporting documentation in the directory files. There is a Windows format packag
J2SE, v1.4 ã®æ–°æ©Ÿèƒ½ Image I/O
Image I/O ã§ä¸å¿ƒã«ãªã‚‹ã®ã¯ javax.imageio.ImageIO クラスã§ã™ã€‚ã“ã®ã‚¯ãƒ©ã‚¹ã ã‘ã§ç”»åƒãƒ•ã‚¡ã‚¤ãƒ«ã®ãƒãƒ¼ãƒ‰/セーブãŒè¡Œãˆã¾ã™ã€‚ImageIOTest1 ã¯ã“ã® ImageIO クラスã ã‘を使用ã—ã¦ã€ã‚¤ãƒ¡ãƒ¼ã‚¸ã®ãƒãƒ¼ãƒ‰ã‚’è¡Œã£ã¦ã„ã¾ã™ã€‚ ImageIOTest1 ã¯ãŸã‹ã ã‹ 40 è¡Œãらã„ã®ãƒ—ãƒã‚°ãƒ©ãƒ ãªã®ã§å…¨æ–‡ã‚’示ã—ã¦ãŠãã¾ã™ã€‚ 1:import java.awt.Image; 2:import java.awt.image.BufferedImage; 3:import java.io.File; 4:import java.io.IOException; 5:import javax.imageio.ImageIO; 6:import javax.swing.ImageIcon; 7:import javax.swing.JFrame; 8:import javax.
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GitHub - nothings/stb: stb single-file public domain libraries for C/C++
http://clg.sourcearchive.com/lines/0.94~20090210-1/cairo-jpeg_8c-source.html
[cairo] JPEG support patch
cairo 1.6.4 jpeg I/O support patch
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