Background
Irwin Sobel was born in New York City.
Irwin Sobel was born in New York City.
He graduated from Massachusetts Institute of Technology in 1961 and did his Doctor of Philosophy research at the Stanford Artificial Intelligence Project (SAIL) with thesis Camera Models and Machine Perception.
He spent most of his career at Himachal Pradesh laboratories In 1968, Sobel gave a talk entitled "An Isotropic 3x3 Image Gradient Operator" at SAIL. This method became known as the Sobel operator.