Diskretna kosinusna transformacija (DTC)

Jerkić, Darko

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undergraduate thesis

Diskretna kosinusna transformacija (DTC)

2014. urn:nbn:hr:200:116739

Jerkić, Darko

Josip Juraj Strossmayer University of Osijek
Faculty of Electrical Engineering, Computer Science and Information Technology Osijek
Department of Software Engineering
Chair of Visual Computing

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APA 6th Edition

Jerkić, D. (2014). Diskretna kosinusna transformacija (DTC) (Undergraduate thesis). Osijek: Josip Juraj Strossmayer University of Osijek, Faculty of Electrical Engineering, Computer Science and Information Technology Osijek. Retrieved from https://urn.nsk.hr/urn:nbn:hr:200:116739

MLA 8th Edition

Jerkić, Darko. "Diskretna kosinusna transformacija (DTC)." Undergraduate thesis, Josip Juraj Strossmayer University of Osijek, Faculty of Electrical Engineering, Computer Science and Information Technology Osijek, 2014. https://urn.nsk.hr/urn:nbn:hr:200:116739

Chicago 17th Edition

Harvard

Jerkić, D. (2014). 'Diskretna kosinusna transformacija (DTC)', Undergraduate thesis, Josip Juraj Strossmayer University of Osijek, Faculty of Electrical Engineering, Computer Science and Information Technology Osijek, accessed 17 November 2024, https://urn.nsk.hr/urn:nbn:hr:200:116739

Vancouver

Jerkić D. Diskretna kosinusna transformacija (DTC) [Undergraduate thesis]. Osijek: Josip Juraj Strossmayer University of Osijek, Faculty of Electrical Engineering, Computer Science and Information Technology Osijek; 2014 [cited 2024 November 17] Available at: https://urn.nsk.hr/urn:nbn:hr:200:116739

IEEE

D. Jerkić, "Diskretna kosinusna transformacija (DTC)", Undergraduate thesis, Josip Juraj Strossmayer University of Osijek, Faculty of Electrical Engineering, Computer Science and Information Technology Osijek, Osijek, 2014. Available at: https://urn.nsk.hr/urn:nbn:hr:200:116739

Cite this item: https://urn.nsk.hr/urn:nbn:hr:200:116739

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Metadata

Title	Diskretna kosinusna transformacija (DTC)
Title (english)	Discrete cosine transform (DCT)
Author	Darko Jerkić
Mentor	Irena Galić (mentor)
Committee member	Irena Galić (predsjednik povjerenstva)
Committee member	Hrvoje Glavaš (član povjerenstva)
Committee member	Josip Job (član povjerenstva)
Granter	Josip Juraj Strossmayer University of Osijek Faculty of Electrical Engineering, Computer Science and Information Technology Osijek (Department of Software Engineering) (Chair of Visual Computing) Osijek
Defense date and country	2014-10-06, Croatia
Scientific / art field, discipline and subdiscipline	TECHNICAL SCIENCES Computing Program Engineering
Abstract	Kao i druge transformacije, diskretna kosinusna transformacija (DCT) nastoji dekorelirati podatke slike. Nakon dekorelacije svaki transformirani koeficijent može biti kodiran neovisno bez gubitka učinkovitosti kompresije. Karakteristike dekorelacije DCT-a bi treble rezultirati smanjenjem entropije slike. To će, zauzvrat, smanjiti broj bitova potrebnih za prikazivanje slike. Osnovna prednost transformacije slike je uklanjanje redudancije između susjednih piksela. Vrijednosti piksela u jednoj sličici se mogu iskoristiti za predviđanje susjednih piksela naredne sličice. Sličice u video isječku pokazuju veliku vremensku korelaciju. Upravo ovu vremensku korelaciju koristi većina suvremenih sustava za obradu videa. DCT ima nadmoć nad bilo kojim drugim transformacijama slika (Karhunen-Loeve-ovom transformacijom (KLT), diskretnom Fourier-ovom transformacijom (DFT)).
Abstract (english)	Like other transforms, the Discrete Cosine Transform (DCT) attempts to decorrelate the image data. After decorrelation each transform coefficient can be encoded independently without losing compression efficiency. The decorrelation characteristics of DCT should render a decrease in the entropy (or selfinformation) of an image. This will, in turn, decrease the number of bits required to represent the image. The principle advantage of image transformation is the removal of redundancy between neighboring pixels. Pixel values in one frame can be used to predict the adjacent pixels of the next frame. Frames in a video sequence exhibit high temporal correlation. This temporal correlation is employed by most contemporary video processing systems. DCT has the superiority over any other image transforms (The Karhunen-Loeve Transform (KLT), Discrete Fourier Transform (DFT)).
Keywords
Keywords (english)
Language	croatian
URN:NBN	urn:nbn:hr:200:116739
Study programme	Title: Undergraduate University Study Programme in Computer Engineering Study programme type: university Study level: undergraduate Academic / professional title: sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka računarstva (sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka računarstva)
Type of resource	Text
File origin	Born digital
Access conditions	Open access
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Created on	2016-06-14 08:27:24