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

Biography

Irwin Sobel was born in

New York City New York, often called New York City (NYC), is the most populous city in the United States, located at the southern tip of New York State on one of the world's largest natural harbors. The city comprises five boroughs, each coextensive w ...

. He graduated from

MIT The Massachusetts Institute of Technology (MIT) is a private research university in Cambridge, Massachusetts, United States. Established in 1861, MIT has played a significant role in the development of many areas of modern technology and sc ...

in 1961 and completed his Ph.D. research at the Stanford Artificial Intelligence Project (

SAIL A sail is a tensile structure, which is made from fabric or other membrane materials, that uses wind power to propel sailing craft, including sailing ships, sailboats, windsurfers, ice boats, and even sail-powered land vehicles. Sails may b ...

) with thesis ''Camera Models and Machine Perception''. His Ph.D. advisor was Jerome A. Feldman. Starting in 1973, he spent nine years doing postdoctoral research at

Columbia University Columbia University in the City of New York, commonly referred to as Columbia University, is a Private university, private Ivy League research university in New York City. Established in 1754 as King's College on the grounds of Trinity Churc ...

. After 1982, he worked as a Senior Researcher at

HP Labs HP Labs is the exploratory and advanced research group for HP Inc. HP Labs' headquarters is in Palo Alto, California and the group has research and development facilities in Bristol, UK. The development of programmable desktop calculators, ink ...

Sobel operator

In 1968, Sobel gave a talk entitled "An Isotropic 3x3 Image Gradient Operator"Irwin Sobel, 2014
''History and Definition of the Sobel Operator''
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; this method became known as the Sobel operator. It was developed jointly with a colleague, Gary Feldman, also at SAIL.

References

1940 births American computer scientists Scientists from New York City Massachusetts Institute of Technology alumni Image processing Digital imaging Living people {{compu-scientist-stub