View source for Biography:Irwin Sobel

{{Short description|American computer scientist}}
{{mergeto|Sobel operator|date=September 2023}}
{{Infobox writer
| image          = 
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| name           = Irwin Sobel
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| birth_name     = Irwin Sobel
| birth_place    = {{wipe|New York City}}
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| occupation     = Scientist
| nationality    = American
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| alma_mater     = MIT
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| notableworks   = ''[[Sobel operator]]'' (1968)
| spouse         = Ceevah Sobel
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}}

'''Irwin Sobel''' (born September 12, 1940) is a scientist and researcher in digital image processing.

== Biography ==
Irwin Sobel was born in {{wipe|New York City}}. He graduated from MIT in 1961 and did his Ph.D. research at the Stanford Artificial Intelligence Project (SAIL) with thesis ''Camera Models and Machine Perception''.<ref>{{MathGenealogy|id=103319}}</ref>
His Ph.D. advisor was [[Biography:Jerome A. Feldman|Jerome A. Feldman]].<ref>{{MathGenealogy|id=13120}}</ref>

Starting in 1973, he spent nine years doing postdoctoral research at [[Organization:Columbia University|Columbia University]]. After 1982, he worked as a Senior Researcher at HP Labs.<ref>{{Cite web |last=Sobel |first=Irwin |title=I. Sobel |url=https://ieeexplore.ieee.org/author/37428500600 |access-date= |website=IEEE}}</ref><ref>{{Cite web |title=Irwin Sobel |url=https://www.linkedin.com/in/irwin-sobel-8652a42/ |website=LinkedIn}}</ref>

==Sobel operator==
In 1968, Sobel gave a talk entitled "An Isotropic 3x3 Image Gradient Operator"<ref>Irwin Sobel, 2014, [https://www.researchgate.net/publication/239398674_An_Isotropic_3_3_Image_Gradient_Operator ''History and Definition of the Sobel Operator'']</ref> at SAIL; this method became known as the [[Sobel operator]]. It was developed jointly with a colleague, Gary Feldman, also at SAIL.

==References==
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{{DEFAULTSORT:Sobel, Irwin}}
[[Category:American computer scientists]]
[[Category:Image processing]]
[[Category:Digital imaging]]



{{Sourceattribution|Irwin Sobel}}