Theodosios Pavlidis ( el, Θεοδόσιος Παυλίδης; born September 8, 1934 in

Thessaloniki Thessaloniki (; el, Θεσσαλονίκη, , also known as Thessalonica (), Saloniki, or Salonica (), is the second-largest city in Greece, with over one million inhabitants in its Thessaloniki metropolitan area, metropolitan area, and the capi ...

) is a

computer scientist A computer scientist is a person who is trained in the academic study of computer science. Computer scientists typically work on the theoretical side of computation, as opposed to the hardware side on which computer engineers mainly focus (al ...

and Distinguished

Professor Emeritus ''Emeritus'' (; female: ''emerita'') is an adjective used to designate a retired chair, professor, pastor, bishop, pope, director, president, prime minister, rabbi, emperor, or other person who has been "permitted to retain as an honorary title ...

Computer Science Computer science is the study of computation, automation, and information. Computer science spans theoretical disciplines (such as algorithms, theory of computation, information theory, and automation) to Applied science, practical discipli ...

at the

State University of New York, Stony Brook Stony Brook University (SBU), officially the State University of New York at Stony Brook, is a public research university in Stony Brook, New York. Along with the University at Buffalo, it is one of the State University of New York system' ...

Education

Pavlidis studied at the

National Technical University of Athens The National (Metsovian) Technical University of Athens (NTUA; el, Εθνικό Μετσόβιο Πολυτεχνείο, ''National Metsovian Polytechnic''), sometimes known as Athens Polytechnic, is among the oldest higher education institution ...

, where in 1957 he received his Diploma in Mechanical and Electrical Engineering degree. He continued to study at the

University of California, Berkeley The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public land-grant research university in Berkeley, California. Established in 1868 as the University of California, it is the state's first land-grant u ...

, where he received his MS in Electrical Engineering in 1962 and his

PhD PHD or PhD may refer to: * Doctor of Philosophy (PhD), an academic qualification Entertainment * '' PhD: Phantasy Degree'', a Korean comic series * ''Piled Higher and Deeper'', a web comic * Ph.D. (band), a 1980s British group ** Ph.D. (Ph.D. albu ...

Electrical Engineering Electrical engineering is an engineering discipline concerned with the study, design, and application of equipment, devices, and systems which use electricity, electronics, and electromagnetism. It emerged as an identifiable occupation in the l ...

in 1964.

Career

Pavlidis taught at

Princeton University Princeton University is a private university, private research university in Princeton, New Jersey. Founded in 1746 in Elizabeth, New Jersey, Elizabeth as the College of New Jersey, Princeton is the List of Colonial Colleges, fourth-oldest ins ...

, starting as an assistant professor in 1964, promoted to

Associate Professor Associate professor is an academic title with two principal meanings: in the North American system and that of the ''Commonwealth system''. Overview In the ''North American system'', used in the United States and many other countries, it is a ...

in 1968 and

Full Professor Professor (commonly abbreviated as Prof.) is an academic rank at universities and other post-secondary education and research institutions in most countries. Literally, ''professor'' derives from Latin as a "person who professes". Professors ...

in 1975. In 1980, he joined

AT&T Bell Laboratories Nokia Bell Labs, originally named Bell Telephone Laboratories (1925–1984), then AT&T Bell Laboratories (1984–1996) and Bell Labs Innovations (1996–2007), is an American industrial research and scientific development company owned by mult ...

in Murray Hill, New Jersey as a Member of Technical Staff. While at Bell Labs, in 1982, he was appointed Senior Editor of the IEEE Transactions on Pattern Analysis and Machine Intelligence (PAMI) and held that position through 1986. Pavlidis resumed teaching in 1986, first as a Leading Professor, and then as a distinguished professor in 1995, becoming

emeritus ''Emeritus'' (; female: ''emerita'') is an adjective used to designate a retired chair, professor, pastor, bishop, pope, director, president, prime minister, rabbi, emperor, or other person who has been "permitted to retain as an honorary title ...

in 2001. Pavlidis conducted fundamental research in several

computer software Software is a set of computer programs and associated documentation and data. This is in contrast to hardware, from which the system is built and which actually performs the work. At the lowest programming level, executable code consists ...

technology areas, including pattern recognition,

image analysis Image analysis or imagery analysis is the extraction of meaningful information from images; mainly from digital images by means of digital image processing techniques. Image analysis tasks can be as simple as reading bar coded tags or as sophi ...

, picture editing, OCR,

computer vision Computer vision is an interdisciplinary scientific field that deals with how computers can gain high-level understanding from digital images or videos. From the perspective of engineering, it seeks to understand and automate tasks that the hum ...

, and barcodes. He contributed to the PDF417 two-dimensional barcode ISO standard, allowing for the barcode itself to have very high information density and error correction. His work in

resulted in an algorithm that could scan barcodes that are poorly printed or defaced/dirty. Pavlidis has published several books, and numerous articles and papers in leading engineering journals and conference proceedings. He is also a named inventor on 15 U.S. issued patents. Additional aspects of Pavlidis' career may be found in the sidebar of his

IAPR The International Association for Pattern Recognition (IAPR), founded in 1978 by Purdue University computer scientist King-Sun Fu, is an international association of non-profit, scientific, or professional organizations (being national, multi-natio ...

profile.

Honors and awards

* * * * *

Books

* ''Biological Oscillators: Their Mathematical Analysis''. Academic Press, 1973. * ''Structural Pattern Recognition''. Springer-Verlag, 1977. * ''Algorithms for Graphics and Image Processing''. Computer Science Press, 1982. * ''Interactive Computer Graphics in X''. PWS Publishing, 1995. * ''Fundamentals of X Programming''. Kluwer Academic/Plenum Publishers, 1999.

References

{{DEFAULTSORT:Pavlidis, Theodosios 1934 births Living people Greek emigrants to the United States National Technical University of Athens alumni UC Berkeley College of Engineering alumni Computer scientists Greek computer scientists Princeton University faculty Fellow Members of the IEEE Scientists from Thessaloniki Fellows of the International Association for Pattern Recognition