Nasir Ahmed (engineer)

Nasir Ahmed
Nasir Ahmed
	Nasir Ahmed in 2012
Born	1940; Bangalore, Kingdom of Mysore, British India
Nationality	Indian; American;
Education	Bishop Cotton Boys' School; University Visvesvaraya College of Engineering (BSc),; University of New Mexico (MSc, PhD);
Known for	Discrete cosine transform (DCT); Inverse DCT (IDCT); DCT lossy compression; DCT image compression; Lossless DCT (LDCT); Discrete sine transform (DST);
Spouse	Esther Parente-Ahmed
Children	Michael Ahmed Parente
Awards	1982 Distinguished Graduate Faculty Member Award Kansas State University; 1985 IEEE Fellow; 2001 Distinguished Engineering Alumnus Award University of New Mexico;
	Scientific career
Fields	Electrical Engineering; Computer science;
Thesis	An Approach to Correlate Pulsed Radar and Photographic Data (1963);
Doctoral advisor	Shlomo Karni

Nasir Ahmed (born 1940 in Bangalore, India) is an Indian-American electrical engineer and computer scientist. He is Professor Emeritus of Electrical and Computer Engineering at University of New Mexico (UNM). He is best known for inventing the discrete cosine transform (DCT) in the early 1970s. The DCT is the most widely used data compression transformation, the basis for most digital media standards (image, video and audio) and commonly used in digital signal processing. He also described the discrete sine transform (DST), which is related to the DCT.

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