Joseph Ó Ruanaidh ( ; born 1967) is a scientist and frequently cited author in the field of

digital watermarking A digital watermark is a kind of marker covertly embedded in a noise-tolerant signal such as audio, video or image data.H.T. Sencar, M. Ramkumar and A.N. Akansu: ''Data Hiding Fundamentals and Applications: Content Security in Digital Multimedia'' ...

Early life

He was born in

London London is the Capital city, capital and List of urban areas in the United Kingdom, largest city of both England and the United Kingdom, with a population of in . London metropolitan area, Its wider metropolitan area is the largest in Wester ...

England England is a Countries of the United Kingdom, country that is part of the United Kingdom. It is located on the island of Great Britain, of which it covers about 62%, and List of islands of England, more than 100 smaller adjacent islands. It ...

in 1967 and raised in

Ballyfermot Ballyfermot () is a suburb of Dublin, Republic of Ireland, Ireland. It is located west of the city centre, south of Phoenix Park. It is bordered by Chapelizod on the north, by Bluebell, Dublin, Bluebell on the south, by Inchicore on the east, ...

Dublin Dublin is the capital and largest city of Republic of Ireland, Ireland. Situated on Dublin Bay at the mouth of the River Liffey, it is in the Provinces of Ireland, province of Leinster, and is bordered on the south by the Dublin Mountains, pa ...

. He attended the

O'Connell School The O’Connell School is a secondary and primary school for boys located on North Richmond Street in Dublin, Ireland. The school, named in honour of the leader of Catholic Emancipation, Daniel O’Connell, has the distinction of being the olde ...

in Dublin. He studied on his own, without supervision, to obtain the necessary qualifications to enter

Trinity College Dublin Trinity College Dublin (), officially titled The College of the Holy and Undivided Trinity of Queen Elizabeth near Dublin, and legally incorporated as Trinity College, the University of Dublin (TCD), is the sole constituent college of the Unive ...

in 1986. In 1988 he was awarded a Trinity College Foundation Scholarship, where he was also jointly awarded the St Patrick's Benevolent Society of Toronto prize for obtaining the highest overall marks in the scholarship examinations in the university that year. In 1990, he graduated with a degree in Engineering from Trinity College Dublin. He was then awarded three scholarships to go to the

University of Cambridge The University of Cambridge is a Public university, public collegiate university, collegiate research university in Cambridge, England. Founded in 1209, the University of Cambridge is the List of oldest universities in continuous operation, wo ...

for his PhD where he studied the applications of

Bayesian methods Bayesian inference ( or ) is a method of statistical inference in which Bayes' theorem is used to calculate a probability of a hypothesis, given prior evidence, and update it as more information becomes available. Fundamentally, Bayesian inferen ...

digital signal processing Digital signal processing (DSP) is the use of digital processing, such as by computers or more specialized digital signal processors, to perform a wide variety of signal processing operations. The digital signals processed in this manner are a ...

. The work included novel algorithms for audio restoration as well as more general methods for analysing and detecting changes in data. His doctoral dissertation was published in book form by

Springer Verlag Springer Science+Business Media, commonly known as Springer, is a German multinational publishing company of books, e-books and peer-reviewed journals in science, humanities, technical and medical (STM) publishing. Originally founded in 1842 in ...

Early career

His postdoctoral work at

and at the

University of Geneva The University of Geneva (French: ''Université de Genève'') is a public university, public research university located in Geneva, Switzerland. It was founded in 1559 by French theologian John Calvin as a Theology, theological seminary. It rema ...

concentrated on the then-emerging field of

. He published seminal papers on image transform domain watermarks and, in particular, rotation and translation invariant watermarks based on the

Fourier transform In mathematics, the Fourier transform (FT) is an integral transform that takes a function as input then outputs another function that describes the extent to which various frequencies are present in the original function. The output of the tr ...

Career

He moved to the

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

in 1998, where he worked at

Siemens Siemens AG ( ) is a German multinational technology conglomerate. It is focused on industrial automation, building automation, rail transport and health technology. Siemens is the largest engineering company in Europe, and holds the positi ...

Corporate Research in

Princeton Princeton University is a private Ivy League research university in Princeton, New Jersey, United States. Founded in 1746 in Elizabeth as the College of New Jersey, Princeton is the fourth-oldest institution of higher education in the Unit ...

New Jersey New Jersey is a U.S. state, state located in both the Mid-Atlantic States, Mid-Atlantic and Northeastern United States, Northeastern regions of the United States. Located at the geographic hub of the urban area, heavily urbanized Northeas ...

and where he played a key role in the development of the patented Siemens directional hearing aid. In 2000, he joined Certus, an Internet start-up, dedicated to making Internet shopping safe. In 2005 he joined GE Healthcare in

Piscataway Piscataway may refer to: *Maryland (place) **Piscataway, Maryland, an unincorporated community ** Piscataway Creek, Maryland ** Piscataway Park, historical park at the mouth of Piscataway Creek ** Siege of Piscataway, siege of Susquehannock fort sou ...

, where he publishe
four patent applications
on

optical sectioning Optical sectioning is the process by which a suitably designed microscope can produce clear images of focal planes deep within a thick sample. This is used to reduce the need for thin sectioning using instruments such as the microtome. Many differ ...

, Line Artifact Removal, Brightfield

image segmentation In digital image processing and computer vision, image segmentation is the process of partitioning a digital image into multiple image segments, also known as image regions or image objects (Set (mathematics), sets of pixels). The goal of segmen ...

and Cell Tracking in microscope images. He was employed by DE Shaw group, a

proprietary trading Proprietary trading (also known as prop trading) occurs when a trader trades stocks, bonds, currencies, commodities, their derivatives, or other financial instruments with the firm's own money (instead of using customer funds) to make a profit ...

firm based 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 ...

, from February 2008 until February 2010 and by

Apple Inc. Apple Inc. is an American multinational corporation and technology company headquartered in Cupertino, California, in Silicon Valley. It is best known for its consumer electronics, software, and services. Founded in 1976 as Apple Comput ...

from 2016 - 2020. He currently works as a principal algorithm engineer a
Singular Genomics
His research is well cited as evidenced in CiteSeer, ISI and Google Scholar.

Awards and honours

* Anglo-Irish Science Exchange Scholarship * Trinity College Cambridge Research Studentship * IEE Leslie H Paddle Scholarship * Trinity College Dublin Foundation Scholarship * St Patrick's Benevolent Society of Toronto prize * Victor W Graham Prize for Mathematics 1988

Selected publications

* J.J.K. Ó Ruanaidh and W. Fitzgerald, Numerical Bayesian Methods Applied to Signal Processing, Springer, New York, 1996, * J.J.K. Ó Ruanaidh and T. Pun, "Rotation, scale and translation invariant spread spectrum digital image watermarking," Signal Processing, vol. 66, no. 5, pp. 303–317, May 1998. * J.J.K. Ó Ruanaidh, R.R. McKay, Y. Zhang, M. Briggs, J. George and Z. Masoumi, "The application of Bayesian spectral analysis to optical sectioning using structured light imaging", Journal of Microscopy, Volume 232 Issue 1, Pages 177–185, Published Online: 25 Sep 2008.

Notes

References

{{DEFAULTSORT:ORuanaidh, Joseph 1967 births 20th-century Irish scientists 21st-century Irish scientists Living people Engineers from Dublin (city) English emigrants to Ireland Academics of Trinity College Dublin Alumni of Trinity College, Cambridge Alumni of Trinity College Dublin Irish Air Corps personnel Irish computer scientists People educated at O'Connell School Scholars of Trinity College Dublin