discrete cosine transform – Dictionary definition of discrete cosine transform | Encyclopedia.com: FREE online dictionary

discrete cosine transform (DCT) A mathematical operation that analyzes an arbitrary waveform into a summation of cosine functions: C(u) = √∑N-1x=0f(x)cos(2x+1)uπ/2N where the waveform f(x) is approximated by N samples at x = 0,1,…N–1. Discrete cosine transforms find application in image-compression techniques, for example in JPEG. Encyclopedia.com gives you the ability to cite reference entries and articles according to common styles from the Modern Language Association (MLA), The Chicago Manual of Style, and the American Psychological Association (APA). Within the “Cite this article” tool, pick a style to see how all available information looks when formatted according to that style. Then, copy and paste the text into your bibliography or works cited list. Because each style has its own formatting nuances that evolve over time and not all information is available for every reference entry or article, Encyclopedia.com cannot guarantee each citation it generates. Therefore, it’s best to use Encyclopedia.com citations as a starting point before checking the style against your school or publication’s requirements and the most-recent information available at these sites: Encyclopedia.com provides students and teachers facts, information, and biographies from verified, citable sources, including: Encyclopedia.com provides students and teachers facts, information, and biographies from verified, citable sources, including: Source.


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Last Modified: April 22, 2016 @ 2:10 pm