¸Þ´º °Ç³Ê¶Ù±â
Ã¥°¥ÇÇ Ãß°¡
ÆäÀÌÁö

102ÆäÀÌÁö ³»¿ë : ?? glTF?¤ê?, 3ì°¨ì?? ???°ì?? ????, ???? ?°ì?´í?? ?¬ë§· ?? WebGL3ì°¨ì?? ???©ì?? ?¸í?°ë???? ë°? ?¹ì?????? ?´ì?©ì?? ?? ?? ??ì¤??¼ë? OpenGL ESë¥? ?¹ì???? ?¬ì?©í?? ?? ????ë¡? Javascriptë¡? ë°??¸ë?©í?? ê·¸ë???½ì?? API ?? Vulkanì°¨ì?¸ë?? OpenGLë¡? ë¶?리ë?? ê³??±ë??, ?????? 3ì°¨ì?? ê·¸ë???½ì?¤ë?? ???©ì?¼ë? ê°?ë°???ê¸? ???? API ??ì¤??¼ë? AR/ VR ???? ê°?ë°? ë°? ??ì§? 구í???? ???? ?? OpenXRAV/VR ??ë°??´ì?? ??ì¤? ë°? ???? ?¸í?°í???´ì?? ??ì¤? ?¼ë???, 모ë?? ??ë°??´ì?¤ì???? ?¼ê??? ???? ???? ê°?ë°??? ???? ??ì¤? ?? OpenVXì»´í?¨í?? ë¹??? ë°? ???? ì²?리ë?? ???? ??ì¤??¼ë??? AR ???©ì???? ??구ë???? ?¸ê³µì§??? ì¶?ë¡? ë°? ë¹??? ì²?리ì?? ?? ?©ë?? ê²??¼ë? ???? 3.4 ??ì¤??? ?´ì?? ??ì¤??? ?¬ì?±í??ê³??? ???? 기ì?????? 목í???? ?¨ê? ê¶? ê·¹ì???¼ë? ??ì¤??? ?¬ì?©í?? ??매ì?????? ?¬ì?±í??ê³??? ?? ?? 목í???? ëª?????ê²? ??ë§? ì¦????? ë¹??? ??ê°??´ë??. ë¶? ?????¼ë??? ë¸????? ?´ë?¸ì? ê°??? ????ê°? ???? ?? ?? ??. ?´ë?? 기ì?????? ?´ì??ê°? ?????? ë§?ì¼??????? ?´ì???? ??. ???? ??ë³´ì?? ?????? ???¬ì?? 물ë? ??ë¹?????ê²??? 매ì?? ???©í?? ??ë³´ê? ?? ?? ???¼ë??, ë§?ì¼??? ???µê³¼ ?? 충ë?? ê°??¥ì?±ì?? ????. ?´ë?? ??ì¤?ê³? ê°??´ë???¼ì?¸ì?? ?´ë?? ê²? ?????? ?????? ??ê°? ê²??¸ì? ê³?민ì?? ????????. [ê·? ë¦? 7]?? ?¤ì????? ?µí?? ?¤ê? ????ë§??? ??ê¸? ???? ?? ë³? ?????¤ì?´ë??[7]. ???? ?¤ì??? 기ì???? ?´ë?? ?????? ê²? ì§????? ?? ???? ???¤ì???? ë°©ë??? ???? ?¤ì???´ë??. ?´ë?¬í?? 기ì?????? 문ì??ë¥? ?´ê²°?´ì?¼ë?, 3ì°¨ì?? ?¤ì??? ?µí?´ì?? ?????? 3ì°¨ì?? ???? ??ë³´ë?? 구ì????? ?? 문ì?? ê°? ???? ê²??´ë??. Base Color Specular F0 Normal Metalness Roughness Subsurface Scattering .gltf JSON Node hierarchy, PBR material textures, cameras Geometry Texture based PBR materials Mandatory Metallic-Roughness Materials Optional Specular-Glossiness Materials .bin Geometryvertices and indices Animationkey-frames Skinsinverse-bind matrices .png .jpg .ktx2 Textures [그림 6] glTF 2.0?? 물리기ë? ????ë§? [그림 7] 3ì°¨ì?? ?¤ì??? 기ì???? ?µí?? ?¤ê? ????ë§??? ???? ????[7] T T A J o u r n a l v o l 1 8 5100

ÆäÀÌÁö
Ã¥°¥ÇÇ Ãß°¡

103ÆäÀÌÁö ³»¿ë : 4. 맺ì??ë§? ê°??¸ë???? ???? ?????? 2020?????? 1?? ëª??? AR/ VR?? ?´ì?©í???? ??ê±°ë??ë¥? ?? ê²??´ë?¼ê? ????????. 2020???? ?´ë???´ë??. 물ë? ??ì¤??? ê°?ë°??? 2020??ê¹? ì§? ??ë£???기ë?? ?´ë?¤ì?? ê²??´ë??. ??ì§?ë§?, ?? ??ì¤??? ?? ê¸??¥ì?? 매ì?? ?? ê²??? ??ëª?????. ???? 미국, ????, ì¤? êµ??? 주ì?? ??매ì?? 기ì???¤ì?? ?? ê´??¬ì?? ê°?ê³? ì°¸ì?¬í?? ?? ê²?ê³¼ë?? ??ì¡°ì???¼ë? êµ??? ê´??? 기ì???? ì°¸ì?¬ë?? ë§? ?? ??ì¡°í?? ???©ì?´ë??. 물ë? ??ì¤??? ?????? ?´í???? ê¸? ?? ì¶????? ???¬ë?? ?¬ê? 문ì??ê°? ???¤ë?? ?¸ì???? ?? ?? ????. ??ì§?ë§?, ?? ???¥ì?? ?¬ì?©ì??ê°? 매ì?? 민ê???ê²? ë°? ????ê³?, ??ë²? ???? ê³?ê°??? ?¤ì?? ??리기ê°? ?´ë?µë??. ?? ê°? 기ì???? ?µí?? ??ê±°ë??ê°? ???±í?????? ???????? êµ??? ?? ??ë¹????¤ì?? ?´ì?? ì§?구ì?? ???´ì?? ?´ë?»ê? ë°????? ê²??¸ì? ê³?민í?? ????ê°? ???¼ë©°, 기ì???? ë³????? ??ì¤??? ?? ê´??¬ì?? ê°??¸ì?? ?? ê²??´ë??. ???? ?? ë¶??¼ë?? êµ??´ì?? ì¤???기ì???¤ì??ê²??? ??ë¡??? 기í??ê°? ?? ?? ????. [ì°¸ê?문í??] [1] Gloria Omale, Gartner Press Release, ??Gartner Says 100 Million Consumers Will Shop in Augmented Reality Online and In-Store by 2020??, April 1, 2019. https//www.gartner. com/en/newsroom/press-releases/2019-04-01-gartnersays-100-million-consumers-will-shop-in-augme [2] Katie Costello, Robert van der Meulen, Gartner Press Release, ??Gartner Identifies Five Emerging Technology Trends That Will Blur the Lines Between Human and Machine??, August 20, 2018. https//www.gartner.com/en/ newsroom/press-releases/2018-08-20-gartner-identifiesfive-emerging-technology-trends-that-will-blur-the-linesbetween-human-and-machine [3] Baek Byung-yeul, ??AR fitting room enhances customer experience??, Korea Times, October 2018, http//www. koreatimes.co.kr/www/tech/2018/10/133_257518.html [4] Khronos Group, 3D Commerce Overview, https//www. khronos.org/3dcommerce [5] Khronos Group, glTF, https//www.khronos.org/gltf/ [6] ì°¨í??ê¸?, ?´ì?¹ì??, ??JSON ?¤í?¤ë? ???? ??ì¤??? ???¥â??, TTA???? ?? 165??, 2016. 5. [7] Max Limper, ??Automating the 3D Processing PipelineFrom 3D Scan to Efficient Online & AR Presentation??, presentation in SIGGRAPH glTF BOF, https//www.khronos.org/assets/ uploads/developers/library/2019-siggraph/glTF-04-DGGSIGGRAPH-Jul19.pdf [주ì?? ?©ì?? ????] ?? ê°??????? VR, Virtual Reality ì»´í?¨í?? ?±ì?? ?¬ì?©í?? ?¸ê³µ???? ê¸? ??ë¡? ë§??¤ì?´ë?? ?¤ì???? ???¬í??ì§?ë§? ?¤ì??ê°? ???? ?´ë?? ?¹ì???? ?? ê²½ì?´ë?? ???? ?¹ì?? ê·? 기ì?? ??ì²´ë?? ??ë¯?. ?? ì¦?ê°????? AR, Augmented Reality ê°??????? Virtual Reality ?? ?? ë¶??¼ë? ?¤ì?? ??ê²½ì?? ê°??? ?¬ë¬¼?´ë?? ??ë³´ë?? ?©ì?±í???? ???? ?? ??ê²½ì?? ì¡´ì?¬í???? ?¬ë¬¼ì²??? ë³´ì?´ë??ë¡? ???? ì»´í?¨í?? ê·¸ë???? ê¸? ë²?. ???¤ì?¸ê??? ?¤ì??ê°??¼ë? ë¶?ê°???ë³´ë?? ê°??? ê°????¸ê?ë¥? ?©ì? ?????? ?????¼ë? ë³´ì?¬ì£¼ë¯?ë¡? ?¼í?©í???? MR, Mixed Reality ?? ?¼ê??? ??. ?? ???´í?? ?¬ì?´í?? Hype Cycle 기ì???? ?±ì????ë¥? ??????ê¸? ???? ?? ê°??? ??êµ?. ê³¼ë??ê´?ê³? 주기?¼ê??? ??ë©? 미국?? ??ë³? 기ì?? ?°êµ¬ ë°? ??ë¬? ???¬ì?? ê°??¸ë?? Gartner ???? ê°?ë°?. ?? ?¬ë?¬ì?? killer application 주ë? ì»´í?¨í?? ??ë¡?ê·¸ë??ë°? ?????¸ì?¨ì?? ???? ì¤??? ê·? ?¸ê¸°?? ???©ì?±ì?? ??ì£? ?????? ê·? ?????? ?¬ì?©í??ê¸? ???´ì?? ?????? ?????¨ì?´ë?? ?´ì??ì²´ì?? ?±ì?? ???«í?¼ê?ì§??? 구매?? ê²? ë§??? ????ë¡? ?¸ê¸°?? ????ê°? ???? ???? ??ë¡?ê·¸ë?? ???? ??ë¯?. ?? JSON JavaScript Object Notation ??ë°??¤í?¬ë¦½?¸ë?? 기ë??¼ë? name·value ?????? ???¼ë? ???????? 구조?? ?°ì?´í?? êµ????? ?? ?? ?¬ì?©ë???? ??ì¤????? ???¤í?? ????. ?? ?????? ?¬ë???? ?½ê? ?°ê¸° ?? ?©ì?´í??ë©?, 기ê?ê°? ë¶?????ê³? ???±í?¨ì???? ?©ì??. ?? glTF GL Transmission Format 3ì°¨ì?? ?¥ë©´ê³? 모ë?¸ì?? ???????? ???? ?¬ë§·?¼ë? JSON ??ì¤??? 기ë???ë©? ?¬ë??¸ì?? 그룹 Khronos Group ?? 3D Format ????ë°????? ?????? ??ì¤?. 2 0 1 9 S E P T E M B E R + O C T O B E R101

Ž »ö