PERIEQŸOMENA I YHFIAKH THLEORASH 11 1 EISAGWGH STHN YHFIAKH THLEORASH 13 1.1 Eisagwg......................... 13 1.2 Analogikì bðnteo..................... 14 1.2.1 Analogikì s ma bðnteo.............. 14 1.2.2 Prìtupa analogikoô bðnteo............ 16 1.3 Yhfiakì BÐnteo...................... 18 1.3.1 Pleonekt mata tou yhfiakoô bðnteo....... 18 1.3.2 S ma yhfiakoô bðnteo............... 21 1.3.3 Prìtupa yhfiakoô bðnteo............. 22 2 EPIGEIA KAI DORUFORIKH YHFIAKH THLE- ORASH 27 2.1 Eisagwg......................... 27 2.2 SumpÐesh.......................... 28 2.2.1 Prìtupo MPEG-2................. 28 2.3 PolÔplexh phg c..................... 41 2.4 KwdikopoÐhsh kanalioô.................. 41 2.5 Diamìrfwsh........................ 42 2.5.1 Diamìrfwsh sthn epðgeia thleoptik metˆdosh. 42 2.5.2 Diamìrfwsh sth doruforik thleoptik metˆdosh 43
4 2.6 Sunolik dom sust matoc yhfiak c thleìrashc.... 44 2.7 Prìtupa metˆdoshc yhfiak c thleìrashc........ 45 2.8 Pleonekt mata/meionekt mata thc yhfiak c thleìrashc 47 3 DIADIKTUAKH KAI FORHTH THLEORASH 49 3.1 Eisagwg sta mèsa ro c................. 49 3.2 TeqnologÐa ro c/teqnologða metaforˆc......................... 51 3.2.1 Metaforˆ/Proodeutik metaforˆ........ 51 3.2.2 TeqnologÐa Ro c................. 52 3.2.3 KathgorÐec twn teqnologi n ro c........ 54 3.2.4 Kwdikopoihtèc, diakomistèc kai logismikì anaparagwg c..................... 55 3.2.5 Prwtìkolla, prìtupa arqeðwn kai kwdikopoihtèc 56 3.3 H diadikasða mèswn ro c................. 57 3.3.1 KwdikopoÐhsh mèswn ro c............ 58 3.3.2 Suggraf kai exuphrèthsh............ 63 3.3.3 Diakomistèc Mèswn................ 65 3.4 To prìtupo sumpðeshc bðnteo MPEG-4.......................... 69 3.4.1 KwdikopoÐhsh qou................ 70 3.4.2 Basik kwdikopoðhsh bðnteo........... 71 3.4.3 KwdikopoÐhsh bðnteo me bˆsh antikeðmena.... 72 3.4.4 BeltÐwsh apodotikìthtac kwdikopoðhshc.... 74 3.4.5 Mèrh kai profðl tou MPEG-4.......... 76 3.5 Prìtupa arqeðwn yhfiakoô qou kai bðnteo....... 81 3.6 O anaparagwgìc Real Player............... 83 3.7 Eisagwg ston Windows Media Player........................... 86 3.8 O anaparagwgìc QuickTime............... 90 3.9 Eisagwg sto prìtupo forht c thleìrashc DVB-H.. 91 3.9.1 Prodiagrafèc tou protôpou DVB-H....... 91 3.9.2 Teqnikˆ Qarakthristikˆ............. 93 3.9.3 Belti seic tou DVB-H.............. 96 4 YHFIAKH THLEORASH UYHLHS EUKRINEI- AS 97 4.1 Eisagwg......................... 97 4.2 Orismìc thc thleìrashc HDTV............. 98
5 4.3 Prìtupa HDTV...................... 99 4.4 Exoplismìc thc HDTV.................. 103 4.5 Ofèlh thc HDTV..................... 106 5 PROTUPA DIEPAFHS YHFIAKOU BINTEO 107 5.1 Eisagwg sto HDMI................... 107 5.1.1 LeitourgÐec kai qarakthristikˆ tou HDMI....................... 108 5.1.2 Ekdìseic tou HDMI............... 110 5.1.3 BÔsmata kai kal dia tou HDMI......... 113 5.1.4 Pleonekt mata thc qr shc tou protôpou HDMI 114 5.2 Eisagwg sto DVI.................... 116 5.2.1 H teqnologða DVI................ 116 5.2.2 LeitourgÐec kai tôpoi tou DVI.......... 119 5.3 SÔgkrish HDMI kai DVI................. 121 6 PERIFEREIAKES SUSKEUES YHFIAKHS THLE- ORASHS 123 6.1 Eisagwg sto DVD.................... 123 6.1.1 TeqnologÐa tou DVD............... 126 6.1.2 H qr sh twn DVD sthn apoj keush yhfiakoô qou kai bðnteo.................. 129 6.2 Eisagwg sto Blu-ray.................. 131 6.2.1 H teqnologða tou Blu-ray............ 134 6.3 ProboleÐc bðnteo..................... 138 6.3.1 TeqnologÐec probol c bðnteo........... 139 6.4 Ojìnec.......................... 142 6.4.1 Ojìnec Plasma.................. 142 6.4.2 Ojìnec LCD................... 143 6.4.3 SÔgkrish teqnologi n ojon n.......... 144 7 EISAGWGH STON YHFIAKO KINHMATOGRA- FO 149 7.1 Eisagwg......................... 149 7.2 Orismìc kai pleonekt mata tou yhfiakoô kinhmatogrˆfou150 7.3 ProtupopoÐhsh tou yhfiakoô kinhmatogrˆfou..... 152 7.4 Teqnikˆ prìtupa tou DCI................ 153 7.5 DiadikasÐa paragwg c qou kai eikìnac......... 157 7.6 H diadikasða thc meta-paragwg c............ 159
6 7.7 H Dianom yhfiakoô kinhmatogrˆfou.......... 162 7.8 Jeatrik parousðash................... 162 7.9 To mèllon tou YhfiakoÔ Kinhmatogrˆfou........ 167 8 TRIDIASTATH YHFIAKH THLEORASH (3DTV)171 8.1 Eisagwg......................... 171 8.2 Mèjodoi tridiˆstathc katagraf c eikìnwn....... 172 8.3 Mèjodoi anaparˆstashc skhn n gia thn tridiˆstath thleìrash.............. 174 8.4 KwdikopoÐhsh kai protupopoðhsh perieqomènou tridiˆstathc thleìrashc.......... 179 8.5 Metˆdosh tridiˆstatou bðnteo.............. 181 8.6 TeqnologÐec apeikìnishc tridiˆstathc thleìrashc... 182 8.6.1 Gualiˆ stereoskopik c ìrashc.......... 184 8.6.2 Epikefˆliec suskeuèc apeikìnishc........ 186 8.6.3 Olografik apeikìnish.............. 187 8.6.4 Ogkometrik apeikìnish............. 188 8.6.5 Autostereoskopik apeikìnish.......... 189 8.7 Prooptikèc thc tridiˆstathc thleìrashc........ 191 II YHFIAKH EPEXERGASIA BINTEO 199 9 DHMIOURGIA KINOUMENHS EIKONAS 201 9.1 Eisagwg......................... 201 9.2 Katagraf bðnteo..................... 202 9.3 Gewmetrik montelopoðhsh kˆmerac........... 205 9.4 Yhfiakèc binteokˆmerec.................. 208 9.4.1 MontelopoÐhsh optikoô sust matoc kˆmerac.. 210 9.4.2 MontelopoÐhsh fwtohlektrik c metatrop c kai diìrjwsh gˆmma.................. 212 9.5 Ask seic.......................... 214 10 YHFIOPOIHSH BINTEO 219 10.1 Eisagwg......................... 219 10.2 Proodeutik deigmatolhyða bðnteo............ 220 10.2.1 Fˆsma diakritoô bðnteo proodeutik c deigmatolhyðac....................... 221 10.2.2 Anakataskeu analogikoô bðnteo apì diakritì. 223
7 10.3 Plègmata deigmatolhyðac bðnteo kai poludiˆstatwn shmˆtwn........................... 226 10.4 Genikèc morfèc deigmatolhyðac bðnteo.......... 229 10.4.1 Fˆsma diakritoô bðnteo.............. 229 10.4.2 Anakataskeu analogikoô bðnteo apì diakritì. 232 11 OPTIKH ANTILHYH KINOUMENHS EIKONAS235 11.1 Eisagwg......................... 235 11.2 StoiqeÐa thc anjr pinhc ìrashc............. 236 11.3 JewrÐa qr matoc..................... 243 11.4 Qwroqronikèc suqnìthtec s matoc bðnteo........ 255 11.4.1 Qwrik suqnìthta................ 256 11.4.2 Gwniak qwrik suqnìthta............ 257 11.4.3 Qronik suqnìthta................ 257 11.5 Qwroqronik apìkrish suqnìthtac thc anjr pinhc ìrashc261 11.5.1 Qronik euaisjhsða thc anjr pinhc ìrashc....................... 261 11.5.2 Qwrik apìkrish suqnìthtac........... 264 11.5.3 Qwroqronik apìkrish suqnìthtac....... 266 11.5.4 Omal katadiwktik kðnhsh tou matioô..... 268 11.6 EktÐmhsh poiìthtac bðnteo................ 269 11.7 Ask seic.......................... 271 12 EKTIMHSH DIDIASTATHS KINHSHS 275 12.1 Eisagwg......................... 275 12.2 Didiˆstath kðnhsh kai fainìmenh kðnhsh......... 276 12.3 Montèla trisdidiˆstathc kðnhshc............. 277 12.4 Montèla didiˆstathc kðnhshc............... 281 12.5 EktÐmhsh didiˆstatwn metatopðsewn kai antistoiqi n.. 284 12.6 Metrikèc poiìthtac ektimht n kðnhshc.......... 286 12.7 EktÐmhsh thc kðnhshc katˆ tm mata........... 288 12.8 Mèjodoc tairiˆsmatoc tmhmˆtwn............. 289 12.8.1 Didiˆstath logarijmik anaz thsh........ 291 12.8.2 Anaz thsh tri n bhmˆtwn............ 291 12.8.3 Prosarmosmènh kateôjunsh anaz thshc..... 292 12.9 Mèjodoc susqètishc fˆshc............... 292 12.10Mèjodoi exðswshc optik c ro c............. 295 12.10.1 H exðswsh thc optik c ro c........... 296 12.10.2 Mèjodoi exomˆlunshc............... 298
8 12.10.3 Prosarmostikèc mèjodoi EOR.......... 300 12.11Epanalhptikèc mèjodoi ektðmhshc kðnhshc........ 301 12.12Ierarqikèc mèjodoi ektðmhshc didiˆstathc kðnhshc.... 304 12.13EktÐmhsh merik n parag gwn.............. 307 12.14Ask seic.......................... 308 13 EPEXERGASIA BINTEO KAI METATROPH PRO- TUPWN 317 13.1 Eisagwg sthn epexergasða poludiastˆtwn shmˆtwn.. 317 13.2 Sust mata diakritoô qwroqrìnou............ 318 13.3 Poludiˆstatoc/tridiˆstatoc metasqhmatismìc Z.... 320 13.3.1 Sunˆrthsh metaforˆc poludiastˆtwn yhfiak n fðltrwn...................... 321 13.4 Metasqhmatismìc Fourier diakritoô qwroqrìnou.... 322 13.5 Diakritìc Metasqhmatismìc Fourier........... 324 13.6 Tridiˆstato qwroqronikì filtrˆrisma.......... 325 13.6.1 Qronikˆ fðltra.................. 326 13.6.2 Qwroqronikˆ fðltra................ 327 13.7 Filtrˆrisma me antistˆjmish kðnhshc.......... 330 13.8 Qronik parembol eikonoseir n............. 331 13.9 Qronoqwrik parembol................. 332 13.9.1 Apìplexh bðnteo.................. 334 14 SUMPIESH BINTEO ME QRHSH METASQH- MATISMWN 337 14.1 Eisagwg......................... 337 14.2 Genik dom sumpðeshc bðnteo me qr sh metasqhmatism n 338 14.3 Trìpoi elˆttwshc tou qronikoô pleonasmoô sto bðnteo 340 14.4 Diakritìc Metasqhmatismìc Sunhmitìnou (DCT).... 343 14.5 Kbantismìc suntelest n DCT.............. 345 14.6 Mèjodoi sumpðeshc twn kbantismènwn suntelest n DCT 347 14.7 KwdikopoÐhsh Huffman kai arijmhtik kwdikopoðhsh.. 349 14.8 KwdikopoÐhsh prìbleyhc................. 352 14.9 Prìtupo MPEG-2..................... 354 14.10Prìtupo MPEG-4 Mèroc 10 AVC (H.264)....... 359 14.10.1 O kwdikopoiht c/apokwdikopoiht c H.264/MPEG-4 part 10............. 361 14.10.2 To kôrio profðl tou MPEG-4 Mèroc 10.... 362 14.11Ask seic.......................... 363
9 15 KWDIKOPOIHSH BINTEO ME BASH TO PE- RIEQOMENO 373 15.1 Eisagwg......................... 373 15.2 KwdikopoÐhsh yhfioqˆrth................ 374 15.3 KwdikopoÐhsh perigrˆmmatoc............... 378 15.3.1 KwdikopoÐhsh AlusÐdac............. 378 15.3.2 Polugwnik prosèggish perigrammˆtwn..... 380 15.3.3 Prosèggish perigrammˆtwn me Splines...... 383 15.3.4 Telestèc perigraf c Fourier........... 384 15.4 Krit ria axiolìghshc kwdikopoðhshc sqhmˆtwn..... 386 15.5 KwdikopoÐhsh thc Uf c antikeimènwn.......... 387 15.5.1 ApeujeÐac kwdikopoðhsh uf c.......... 387 15.6 Antikeimenostraf c KwdikopoÐhsh BÐnteo........ 389 16 ANAKTHSH - DEIKTODOTHSH BINTEO 405 16.1 Eisagwg......................... 405 16.2 Ierarqik dom bðnteo me bˆsh to perieqìmeno...... 406 16.3 AnÐqneush Metabˆsewn kai Katˆtmhsh Plˆnwn..... 407 16.3.1 Mèjodoi anðqneushc aifnðdiac kop c....... 407 16.3.2 Mèjodoi anðqneushc stadiak n allag n..... 410 16.4 Epilog PlaisÐou KleidioÔ kai PerÐlhyh BÐnteo.... 412 16.4.1 Perigraf me bˆsh ta antikeðmena........ 414 16.5 Perigraf optiakoustikoô perieqomènou me qr sh qarakthristik n qou kai eikìnac............... 416 16.6 Hmiautìmatec proseggðseic perigraf c kai anaz thshc bðnteo........................... 420 16.7 Teqnikèc Deiktodìthshc................. 421 16.8 To Prìtupo Perigraf c Perieqomènou MPEG-7.... 427 16.8.1 Ta tm mata tou MPEG-7............. 427 16.8.2 To optikì prìtupo MPEG-7........... 430 16.9 Sumperˆsmata....................... 435