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ÀÁÐÀÊÀÄÀÁÐÀ (Òîæå ñàìîå íî â ÷èòàåìîì âèäå)

4etirexmernoe kino

Na6emu miru izvestno neskol'ko texnologiy sozdania ob&¸mnix dviju6ixsa izobrajeniy i, kajetsa, pridumat' ne4to principial'no novoe tut uje prakti4eski nevozmojno. Odnako amerikanskiy izobretatel', xudojnik i injener dokazal obratnoe, soob6aet Membrana.Ru.

Imenno on sproektiroval neobi4niy koaksial'niy dvigatel', kotoriy, predpolojitel'no, v 2006 godu doljen bit' postavlen na 6ikarniy sportivniy avtomobil' marki Duesenberg, vozrojdaemoy sey4as v S6A.

Krome etogo, Pol sozdal massu zanatnix ve6ey, v 4astnosti, vpolne rabotau6iy kino6niy rekvizit: ot mexani4eskix akul i neobi4nix avtomobiley-monstrov — do to4noy kopii planera Otto Lilientala.

No sey4as nam interesno drugoe – sover6enno fenomenal'niy i genial'no prostoy sposob zapisivat' i vosproizvodit' ob&¸mnoe kino, kotoriy zapatentoval nedavno Pol.

Rasskazivaa o n¸m, izobretatel' napominaet o dvux samix izvestnix sey4as metodax zapisi ob&¸mnix fil'mov. Eto kamera (nevajno, pl¸no4naa ili cifrovaa) s dvuma ob&ektivami, raznes¸nnimi slovno 4elove4eskie glaza, i, sootvetstvenno, dva nabora kadrov – dla levogo i pravogo glaza. A e6¸ – eto snimki s raznix to4ek (ta je sdvoennaa kinokamera) 4erez cvetnie svetofil'tri.

Mexani4eskaa akula Eddi Pola vpolne naturalisti4na (foto s sayta gizmag.co.uk).

Mexani4eskaa akula Eddi Pola vpolne naturalisti4na (foto s sayta gizmag.co.uk).
Pri prosmotre takix izobrajeniy trebuetsa nekiy mexanizm razdelenia pravix i levix kadrov. Naprimer, ekran iz serebristix strun. S kajdoy storoni kajdoy struni doljno otrajat'sa svo¸ izobrajenie, proeciruemoe dvuma kinoproektorami (ili to4nee – kinoproektorom s dvuma ob&ektivami).

Eto poxoje na karmannie kalendariki s greb¸nkoy na poverxnosti, kotorie daut ob&¸mnoe izobrajenie pri vzglade s opredel¸nnogo rakursa.

Drugoy variant razdelenia – polarizovannie svetofil'tri na pravom i levom proektorax i, sootvetstvenno – polarizovannie v perpendikularnix ploskostax fil'tri na stereoskopi4eskix o4kax.

Stalo bit', kak variant, cvetnie fil'tri (dopolnitel'nix cvetov) na glazax pri s&¸mke, estestvenno, 4erez cvetnie fil'tri. No togda izobrajenie polu4aetsa 4¸rno-belim.

V metode amerikanca net ni4ego poxojego. Daje o4kov ne trebuetsa. Tak je, kak ne nujno i special'nogo kinoekrana, i dvux proektorov. I daje s&¸mka ved¸tsa odnoy kinokameroy, samoy obi4noy. A effekt ob&¸mnosti izobrajenia voznikaet. 4to za 4ertov6ina?

Sna4ala nemnogo istorii.

Razrabotka Pola – sistema Circlescan 4D — ottalkivaetsa ot effekta Pul'frixa, nazvanniy v 4est' Karla Pul'frixa (Carl Pulfrich), kotoriy v 1920-x godax obnarujil, 4to su6estvuet zametno razli4noe vospriatie sveta 4elovekom pri smene arkosti izobrajenia v raznix kadrax.

I esli na odin glaz 4eloveka pomestit' t¸mniy svetofil'tr, a vtoroy ostavit' otkritim, to obrabotka mozgom zatemn¸nnogo kadra zaym¸t na dolu sekundi bol'6e vremeni, 4em obrabotka izobrajenia, uvidennogo nezakritim glazom, a v rezul'tate odin i tot je kadr leviy i praviy glaz slovno uvidat s razdeleniem vo vremeni.

Nedavnee tvorenie Pola, sozdannoe dla teleseriala (foto s sayta gizmag.co.uk).

E6¸ odno nedavnee tvorenie Pola, sozdannoe dla teleseriala (foto s sayta gizmag.co.uk).
Xoro6o, no kak eto ispol'zovat'? Terpenie. Vot kak eto bilo ran'6e. Stavim obi4nuu kinokameru (videokameru) na rel'si i plavno (optimal'nuu skorost' nujno podobrat', ibo ni sli6kom medlennoe, ni sli6kom bistroe dvijenie tut ne srabativaut) dvigaem e¸ mimo ob&ekta s&¸mki (naprimer – 4eloveka, stoa6ego na scene).

Kogda zritel' prosmatrivaet polu4ennie kadri s t¸mnim fil'trom na odnom glazu, to dla etogo (odnogo, 4to vajno) glaza kadri sme6autsa vo vremeni, a poskol'ku kamera uspevaet za promejutok mejdu kadrami smestit'sa na neskol'ko santimetrov – polu4aetsa stereopara, kotoruu mozg preobrazuet v ob&¸mnoe izobrajenie.

Takim obrazom, dla s&¸mki ne nujna stereokamera, a pri vosproizvedenii – special'niy ekran. A glavnoe – ni pri s&¸mke na pl¸nku, ni pri s&¸mke cifrovoy zapisi – ne trebuetsa udvoenia resursov, to est' — nositela.

Ved' v slu4ae obi4nogo stereokino – eto lenta dvoynoy 6irini (dla dvux kadrov vmesto odnogo), a v slu4ae cifrovoy zapisi – udvoenie potoka dannix (praviy i leviy kadr).

Zdes' je kajdiy kadr avlaetsa i pravim, i levim.

No etot metod ispol'zovania effekta Pul'frixa obladaet nedostatkami. On ne rabotaet, esli trebuetsa snimat' scenu nepodvijnoy kameroy, s odnoy to4ki. On da¸t o4en' ploxuu kartinku, esli dvijetsa ne tol'ko kamera, no i sam ob&ekt s&¸mki, ili on bistro menaetsa, skajem – 4elovek rezko jestikuliruet.

Eddi Pol i ego ustanovka Circlescan 4D (foto s sayta gizmag.co.uk).

Eddi Pol i ego ustanovka Circlescan 4D (foto s sayta gizmag.co.uk).
Circlescan 4D ustranaet eti nedostatki, soxranaa dostoinstva.

Zdes' to4ka s&¸mki postoanno vra6aetsa po nebol'6omu (santimetrov tridcat', primerno, v diametre) krugu, leja6emu v ploskosti, perpendikularnoy napravleniu na snimaemiy ob&ekt. Skorost' vra6enia – odin oborot v minutu.

Sistema vra6au6ixsa zerkal napravlaet izobrajenie v ob&ektiv obi4noy kinokameri, da tak, 4to ob&ekt s&¸mki vovse ne perevora4ivaetsa vverx torma6kami.

A postepennoe sme6enie to4ki zrenia vpravo-vlevo i vverx-vniz i tak dalee, na perviy vzglad — absolutno nezametno na polu4aemix kadrax, ved' mejdu sosednimi kadrami zerkala sme6autsa sovsem 4ut'-4ut'. Osobenno esli, skajem, ob&ekt s&¸mki udal¸n ot kameri na neskol'ko metrov i dal'6e.

No dla mozga, dla zritel'noy sistemi 4eloveka eto sme6enie, okazivaetsa, zametno. I esli primenit' t¸mniy svetofil'tr na odnom glazu dla sme6enia sosednix kadrov vo vremeni – 4elovek uvidit ob&¸mnoe izobrajenie.

Pri etom sama kamera mojet bit' nepodvijnoy, a mojet dvigat'sa – kak zaxo4et rejiss¸r. Dvijenia samogo snimaemogo ob&ekta toje ne vliaut na rezul'tat.

Nakonec, samoe udivitel'noe, 4to pri takoy s&¸mke effekt ob&¸mnosti voznikaet v mozge i bez polovinki t¸mnix o4kov, xota i bolee slabiy.

E6¸ odin snimok Pola (v centre) za rabotoy (foto s sayta gizmag.co.uk).

E6¸ odin snimok Pola (v centre) za rabotoy (foto s sayta gizmag.co.uk).
Nekotorie ludi utverjdaut, 4to posle dlitel'nogo prosmotra fil'ma, snatogo 4erez ustanovku Circlescan 4D, oni mogut o6u6at' ob&¸m bez t¸mnogo fil'tra, po4ti takoy je realisti4niy, kakoy viditsa v special'nix o4kax.

I obratite vnimanie – takoe ob&¸mnoe kino mojno pokazivat' obi4nim proektorom v obi4nom kinoteatre, translirovat' po obi4noy sisteme televidenia.

Vs¸, 4to trebuetsa dla zavorajivau6ego ob&¸mnogo effekta – t¸mniy fil'tr na odnom (lubom) glazu, kotoriy pritormajival bi process osmislenia obraza dla odnoy iz polovinok mozga.

Otsuda, kstati, i vved¸nniy Polom termin 4etir¸xmernogo kino. Eto nam¸k na 3D c dobavleniem 4etv¸rtogo izmerenia – vremeni.

Skol'ko proyd¸t vremeni, prejde, 4em Circlescan 4D rasprostranitsa po planete? Posmotrim. V ob&¸me.

www.ostankino.ru

Hot 3-D Technology Up For Grabs at Bay Area IP Auction
CircleScan 4D Poised to Revolutionize Viewer Experience

BLS Technologies announced today that it will sell the patent rights to CircleScan 4D, a 3D technology that promises to propel 3D entertainment from specialty venues into every theatre and household worldwide.Developed by inventor Eddie Paul of EP Industries in El Segundo, CA., CircleScan finally makes 3D entertainment economically feasible. Unlike traditional 3D technologies requiring specialized cameras to record stereoscopic images, CircleScan attaches to existing equipment. But what really sets CircleScan apart from all other 3D systems is that it can be delivered with virtually zero-cost of deployment across the entire media landscape: theaters, broadcast, DVDs, Internet -- even iPods and cell phones. The only investment is an inexpensive pair of 3D glasses for end users. "CircleScan puts an end to the 50-year 3D stalemate," says BLS Technologies Founder Ian Bruce. "Despite the renewed public craving for 3D, and directors like George Lucas, Robert Zemeckis and James Cameron promoting more 3D content, the substantial production and delivery infrastructure investment has created a deadlock between exhibitors and content producers ever since the debut of 3D movies in the 1950s.
The divide in television is even greater -- unless you're willing to spend millions changing the way you broadcast, or billions to replace every subscriber's television, or both, there is no viable solution except CircleScan." CircleScan's most revolutionary advantage, and one that is vitally important for TV broadcast and digital content, is the extraordinary fact that CircleScan embedded content looks completely normal to the naked eye. Only when you view a program through inexpensive glasses is the three-dimensional imagery revealed. No other display independent 3D technology has ever been able to accomplish this -- to provide both 2D and 3D in a single format. "CircleScan truly is the Holy Grail for live broadcast and sports programming, especially in HD," says Bruce. "BLS is selling the technology only because entertainment really isn't our line of work. We were just lucky enough to have this gem in our patent portfolio. It deserves a company who's a leader in the industry, and who has the vision to take their content to the next level." The CircleScan technology goes on the auction block at The Ritz-Carlton, San Francisco, April 5-6 during OceanTomo's Spring 2006 Patent Auction.

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