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During the mid-1990s
Mitchell moved from the Watson Research Center to a different IBM group in Vermont and then (after a short leave as a visiting professor at the University of Illinois) to IBM's Printing Systems Division in Colorado. In 2007 IBM sold their Printing Systems Division to
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standard, and she became a co-author with Bill
Pennebaker of the first book on the standard. Gregory K. Wallace, another member of the group, remembers Mitchell and Pennebaker as "two of the most insightful, energetic, and prolific members" of the
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175:, and earned a master's degree in 1971 and a Ph.D. in 1974 there. As part of her Ph.D. work, she also learned computer programming, so that she could use a computer to solve the
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164:. She followed in the footsteps of her grandmother, Eulalia Richardson Mitchell, who also earned Stanford physics degrees in 1910 and 1912.
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112:(May 24, 1947 – December 2, 2015) was an American computer scientist, data compression pioneer, and inventor who, as a researcher at
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244:, and Mitchell went with them to the resulting joint venture, InfoPrint Solutions. She retired in 2009, and died on December 2, 2015.
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264:"for leadership in setting standards for the formation of photographic fax and image compression". She was the 2011 winner of the
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InfoPrint
Solutions Company Master Inventor and Fellow Wins Prestigious IEEE Award for Globally Recognized Developments
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in 1974, in the
Exploratory Printing Technologies Group. There, her inventions included a method for
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in 1999 "for contributions to the development of international image compression standards", an
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Effect of heterovalent impurities co-diffusing with monovalent tracers in ionic crystals
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Effect of heterovalent impurities co-diffusing with monovalent tracers in ionic crystals
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403:"Joan L. Mitchell: Leading developer of image compression methods; coinventor of jpeg"
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289:(with William B. Pennebaker, Chad Fogg, and Didier J. LeGall, Chapman and Hall, 1997)
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156:. In 1969, Mitchell graduated with a Bachelor of Science degree in physics from
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132:. Mitchell's father was William Mitchell and her mother was Doris Mitchell.
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Dr. Joan's
Mentoring Book: Straight Talk about Taking Charge of Your Career
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30:
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Clark, Richard (November 1994), "Destined to be the definitive text",
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image compression. From 1987 to 1994, Mitchell helped develop the
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Members of the United States
National Academy of Engineering
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Women and Ideas in
Engineering: Twelve Stories from Illinois
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36:
148:, where her work included an independent study project on
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283:(with William B. Pennebaker, Van Nostrand Reinhold, 1992)
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Eulalia
Richardson Mitchell (grandmother, Physicist)
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494:, Stanford University Library, Special Collections
338:"Joan Mitchell (1947–2015), with Celia M. Elliott"
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491:Eulalia Richardson Mitchell scrapbook, 1906–1911
808:University of Illinois Urbana-Champaign alumni
407:Distinguished Alumni and Friends: Hall of Fame
619:, IEEE Communications Society, archived from
266:IEEE Masaru Ibuka Consumer Electronics Award
641:JPEG: Still Image Data Compression Standard
544:JPEG: Still Image Data Compression Standard
336:Hahn, Laura D.; Wolters, Angela S. (2018),
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281:JPEG: Still Image Data Compression Standard
179:arising in her research. Her dissertation,
593:, Ricoh, September 8, 2010, archived from
478:, vol. 155, no. 64, May 21, 1969
446:IBM Women in Technology: IBM Women Fellows
411:University of Illinois at Urbana–Champaign
173:University of Illinois at Urbana–Champaign
86:University of Illinois at Urbana–Champaign
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616:IEEE Fellows Elected as of 1 January 1999
376:, December 9, 2015 – via Legacy.com
95:Co-inventor of JPEG digital image format.
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16:American computer scientist and inventor
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260:in 2001, and, in 2004, a member of the
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167:Mitchell went on to graduate study in
128:Mitchell was born on May 24, 1947, in
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715:: CS1 maint: untitled periodical (
682:Langdon, Glen G. Jr. (April 1997),
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219:system, and the Q-coder method for
183:, was supervised by David Lazarus.
13:
788:American women computer scientists
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423:
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295:(with Nancy Walker-Mitchell, 2007)
191:Mitchell began working at the IBM
14:
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448:, IBM, 2003-01-23, archived from
203:later used in some models of the
344:, University of Illinois Press,
234:Joint Photographic Experts Group
193:Thomas J. Watson Research Center
773:People from Modesto, California
676:MPEG Video Compression Standard
511:Mitchell, Joan Laverne (1974),
287:MPEG Video Compression Standard
262:National Academy of Engineering
247:
1:
684:Journal of Electronic Imaging
470:"311 to graduate with honors"
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123:
798:Data compression researchers
778:American computer scientists
661:10.1016/0140-3664(94)90069-8
540:Wallace, Gregory K. (1992),
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7:
833:21st-century American women
370:"Joan Mitchell (1947–2015)"
276:Mitchell is the author of:
39:picture of Joan L. Mitchell
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803:Stanford University alumni
724:Tudor, P. N. (June 1998),
515:, University of Illinois,
201:thermal-transfer printing
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77:
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44:
28:
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793:American women inventors
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205:IBM Selectric typewriter
169:condensed matter physics
828:Writers from California
649:Computer Communications
199:printing, a method for
547:, Kluwer, pp. xiii–xiv
413:College of Engineering
177:differential equations
142:National Merit Scholar
120:digital image format.
742:10.1049/ecej:19980304
187:Career and later life
160:with distinction and
110:Joan Laverne Mitchell
452:on December 17, 2004
150:Brillouin scattering
813:Fellows of the IEEE
696:1997JEI.....6..262L
597:on October 22, 2018
521:1974PhDT.......196M
252:Mitchell became an
158:Stanford University
146:Stanford University
130:Modesto, California
82:Stanford University
59:Modesto, California
783:American inventors
623:on 22 October 2018
566:, January 26, 2007
475:The Stanford Daily
116:, co-invented the
704:10.1117/12.283657
221:arithmetic coding
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217:teleconferencing
209:data compression
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69:December 2, 2015
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23:Joan L. Mitchell
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655:(11): 815–816,
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442:"Joan Mitchell"
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140:Mitchell was a
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78:Alma mater
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726:"Book reviews"
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372:, Obituaries,
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162:Phi Beta Kappa
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92:Known for
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73:(aged 68)
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625:, retrieved
621:the original
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599:, retrieved
595:the original
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568:, retrieved
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543:
542:Foreword to
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496:, retrieved
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454:, retrieved
450:the original
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415:, retrieved
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215:machines, a
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71:(2015-12-02)
55:May 24, 1947
818:IBM Fellows
768:2015 deaths
763:1947 births
674:Reviews of
374:Modesto Bee
254:IEEE Fellow
248:Recognition
757:Categories
736:(3): 116,
690:(2): 262,
639:Review of
627:2018-10-21
601:2018-10-21
570:2018-10-21
529:2142/30665
498:2018-10-22
456:2018-10-21
417:2018-10-21
300:References
258:IBM Fellow
197:ultrasonic
124:Early life
51:1947-05-24
136:Education
100:Relatives
711:citation
223:used in
692:Bibcode
517:Bibcode
171:at the
154:bromine
348:
272:Books
242:Ricoh
717:link
346:ISBN
229:JPEG
225:JBIG
211:for
118:JPEG
66:Died
45:Born
37:JPEG
738:doi
700:doi
657:doi
564:UPI
525:hdl
213:fax
152:in
144:at
114:IBM
759::
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728:,
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236:.
207:,
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740::
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702::
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688:6
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53:)
49:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
