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Title:VIDEO KODIRNIKI V SODOBNIH AVDIOVIZUALNIH STORITVAH
Authors:ID Repolusk, Klavdijo (Author)
ID Kačič, Zdravko (Mentor) More about this mentor... New window
Files:.pdf MAG_Repolusk_Klavdijo_2012.pdf (6,99 MB)
MD5: E9BBA4258F8EA46B7AD18BB503DF1877
PID: 20.500.12556/dkum/fa5ef6da-c481-4d56-8749-95a7e081af64
 
Language:Slovenian
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FERI - Faculty of Electrical Engineering and Computer Science
Abstract:V magistrskem delu smo predstavili arhitekturo sodobnih komunikacijskih sistemov in avdiovizualne storitve. V okviru tega smo podali osnovne značilnosti kodirnikov ter ocenili njihovo kvaliteto ob različnih naborih vhodnih parametrov. Ocenjevali smo naslednje kodirnike: MPEG-2, MPEG-4 part 10 oziroma H.264, VC-1, H.263 in VP8. V drugem delu smo opravili teste, kjer smo posamezne kodeke ocenjevali subjektivno in objektivno. Za subjektivno ocenjevanje smo podali svoje mnenje o kvaliteti posnetka, medtem ko smo objektivno ocenjevanje opravili s pomočjo programa ImageMagick. Ta nam je na posameznih slikah ponazoril predele, kjer so napake. Najboljše rezultate smo dosegli s kodeki VP8, H.264 in H.263.
Keywords:Video kodeki, avdio kodeki, video klic, videokonference, IMSDroid, Boghe, subjektivno in objektivno vrednotenje
Place of publishing:Maribor
Publisher:[K. Repolusk]
Year of publishing:2012
PID:20.500.12556/DKUM-24447 New window
UDC:621.396/.398(043)
COBISS.SI-ID:16382742 New window
NUK URN:URN:SI:UM:DK:M7OTJWGD
Publication date in DKUM:03.07.2012
Views:2792
Downloads:264
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FERI
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Secondary language

Language:English
Title:VIDEO CODECS IN NEXT GENERATION AUDIO/VIDEO SERVICES
Abstract:In this master's thesis we present the architecture of modern communication systems and audiovisual services. In this context, we give the basic characteristics of the encoders and we evaluate their quality at different sets of input parameters. We evaluate the following encoders: MPEG-2, MPEG-4 part 10 or H.264, VC-1, H.263 and VP8. In the second part, we do tests where we evaluate individual codecs subjectively and objectively. For subjective evaluation, we give the opinion on the quality of video and the objective evaluation we did with the program ImageMagick. This program illustrate the areas on several pictures where are the errors. The best results were achieved with the codecs VP8, H.264 and H.263.
Keywords:Video codecs, audio codecs, video call, videoconferencing, IMSDroid, Boghe, subjective and objectiv evaluation


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