Ramalingam Chellappa
biomedical data engineering researcher (1953-)
Ramalingam "Rama" Chellappa is a Bloomberg Distinguished Professor, who works at Johns Hopkins University. At Johns Hopkins University, he is a member of the Center for Language and Speech Processing, the Center for Imaging Science, the Institute for Assured Autonomy, and the Mathematical Institute for Data Sciences. He joined Johns Hopkins University after 29 years at The University of Maryland. Before that, he was an assistant, associate professor, and later, director, of the University of Southern California's Signal and Image Processing institute.
Ramalingam was born near Chennai, in Southern India.
Education
Ramalingam received his PhD of Electrical Engineering at Purdue University, as well as his MSEE. He has a Master of Engineering (Distinction) of Electrical and Communication Engineering from The Indian Institute of Science (1977), and a Bachelor of Engineering (Honors) of Electrical and Communication Engineering from The University of Madras (1975).
Work at The University of Southern California
During Ramalingam's time at the University of Southern California, he was worked at the Signal and Image Processing institute, as an assistant from 1981 to 1986, associate professor during 1986 to 1991, and director during 1988 to 1990.
Work at The University of Maryland
During his time at The University of Maryland, Ramalingam Chellappa was a professor of The Department of Electrical and Computer Engineering and a Permanent Member of UMIACS, as well as an affiliate professor at The Department of Computer Science.
Work at Johns Hopkins University
Ramalingam currently works at Johns Hopkins University, and is researching artificial intelligence, facial recognition, machine learning, motion capture, and computer imaging.
He is a Life Fellow of IEEE, and a Fellow of AAAI, AAAS, ACM, AIMBE, IAPR, NAI and Optica and served as the President of the IEEE Biometrics Council, a distinguished lecturer of the IEEE Signal Processing Society, and holds 9 patents.
Begin with the source’s own compact description: “Ramalingam Chellappa” is biomedical data engineering researcher (1953-). The dossier treats that line as a proposition to test through Ramalingam, Chellappa and biomedical, not as a finished interpretation.
Why this record matters
The phrase “biomedical data engineering researcher (1953-)” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Chronology provides the most reliable spine for this subject; interpretation should follow only after identities and dates are secure. The source revision retrieved here is dated Jul 25, 2026. The linked authority identifier is Q98961985. VIAF identifies the subject as 46844524. The Library of Congress control number is n85034527. 1 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1977, 1975, 1981 and 1986.
Later biographies can compress uncertainty and repeat inherited reputations, so apparently settled claims may still require comparison. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Read biographical claims against dates, named institutions and the cited references. Distinguish a subject’s later reputation from evidence produced during their lifetime.
- Establishing names and roles
- Building a first chronology
- Locating cited institutions
Personal papers, civil or court records, institutional files and the scholarship cited by the source.
Three-step research path
- Establish the record: confirm the title “Ramalingam Chellappa”, its source revision and the description used here.
- Expand the search: follow Ramalingam Chellappa primary sources, Ramalingam Chellappa archive and Ramalingam research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Ramalingam Chellappa”?
- Which primary records establish identity, chronology and institutional ties?
- How has the subject’s reputation changed across later accounts?
Search terms from this dossier
This entry incorporates text from “Ramalingam Chellappa” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.