[et_pb_section fb_built=”1″ fullwidth=”on” _builder_version=”4.6.5″ _module_preset=”default” da_disable_devices=”off|off|off” da_is_popup=”off” da_exit_intent=”off” da_has_close=”on” da_alt_close=”off” da_dark_close=”off” da_not_modal=”on” da_is_singular=”off” da_with_loader=”off” da_has_shadow=”on”][et_pb_fullwidth_header title=”MPM Chooses Digital Projection for Innovative CAVE at Leading French Research Centre” _builder_version=”4.6.5″ _module_preset=”default” title_font=”Abel|700|||||||” subhead_font=”ABeeZee||||||||” background_color=”#000000″ background_image=”http:\/\/3wmcomms.com\/wp-content\/uploads\/2021\/05\/IM5\u00a9CEA-CREATIME.png” custom_padding=”||26px|||” text_shadow_style=”preset1″ title_text=”IM5\u00a9CEA- CREATIME” hover_enabled=”0″ sticky_enabled=”0″][\/et_pb_fullwidth_header][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.6.5″ _module_preset=”default” custom_padding=”1px||27px|||” da_disable_devices=”off|off|off” da_is_popup=”off” da_exit_intent=”off” da_has_close=”on” da_alt_close=”off” da_dark_close=”off” da_not_modal=”on” da_is_singular=”off” da_with_loader=”off” da_has_shadow=”on”][et_pb_row _builder_version=”4.6.5″ _module_preset=”default” custom_margin=”15px|auto||auto||” custom_padding=”11px||14px|||”][et_pb_column type=”4_4″ _builder_version=”4.6.5″ _module_preset=”default”][et_pb_text _builder_version=”4.6.5″ _module_preset=”default” text_font=”ABeeZee||||||||” text_font_size=”15px” custom_margin=”4px|||||” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n
Manchester (UK), 27th<\/sup><\/span>\u00a0April 2020 \u2013 <\/strong>Integration specialist MPM Equipement has chosen Digital Projection\u2019s E-Vision Laser 10K for a temporary CAVE installation at one of the labs operated by CEA Tech \u2013 the technology research arm of the CEA (France\u2019s Atomic Energy and Alternative Energy Commission).<\/span><\/p>\n Spanning over 3,300 sqm, the CEA\u2019s Grenoble lab \u2013 known as Y.SPOT \u2013 is what is known as an open innovation centre, which is primarily used to develop a broad portfolio of technologies for ICT, energy, and healthcare, as well as disseminating new technologies for industry; effectively bridging the gap between the worlds of research and business. Through its work at Y.SPOT (which welcomes collaborations with industry, SMEs, students, architects, and designers), CEA Tech is also able to provide businesses with access to key enabling technologies, as well as those developed by other CEA operating divisions.<\/span><\/p>\n Much like CEA Tech, MPM Equipement is also used to working across a variety of fields, having started out with theatre, concert hall, and museum installations, then moving into conference halls, meeting rooms, sports MICE venues.\u00a0<\/span><\/p>\n \u201cWe also help clients with the digitisation of their offering with new communication tools using BYOD (bring your own device) or automation,\u201d said Nicolas Jeanselle, project manager at MPM Equipement. \u201cWe pride ourselves in being a specialist in all things audio-visual and work to make them all work and communicate together. CAVEs aren\u2019t particularly our speciality, but this project is much more than just a CAVE.\u201d<\/span><\/p>\n The installation \u2013 known as SIRCE (Smart Immersive Room for Circular-vision Experiment) \u2013 was designed by engineer and scenographer Fr\u00e9d\u00e9ric Ravatin from CREATIME in the shape of three truncated pyramids, with a 5 sqm base (variable +\/- 10% depending on the prototypes and configuration of the space). Inside, the ground and three of the faces serve as 3D-relief screens that can be used to recreate environments and objects, and even host video conferences in 3D.<\/span><\/p>\n Although the CAVE can accommodate up to 25 people, it is typically used by between five and 10. All visitors are invited to wear XPAND 3D active glasses in order to give the feeling of total immersion when stereoscopic content is projected on the four synchronous and aligned screens.\u00a0<\/span><\/p>\n As the faces of SIRCE are tilted inwardly at an angle of 26\u00b0, significant perspective distortions can be induced and exaggerated in stereoscopy, making the virtual environment seem much larger than it actually is. In effect, the user is able feel as if they are looking \u2018beyond\u2019 the confines of the CAVE, recreating a larger world whose dimensions and space still appear \u2018normal\u2019 (a phenomenon known as \u2018orthostereoscopy\u2019).\u00a0<\/span><\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.6.5″ _module_preset=”default” background_color=”#000000″ custom_padding=”0px||0px|||”][et_pb_column type=”1_2″ _builder_version=”4.6.5″ _module_preset=”default”][et_pb_image src=”http:\/\/3wmcomms.com\/wp-content\/uploads\/2021\/05\/IM2\u00a9CEA-CREATIME-scaled.jpg” title_text=”IM2\u00a9CEA- CREATIME” _builder_version=”4.6.5″ _module_preset=”default” width=”100%” module_alignment=”center” hover_enabled=”0″ sticky_enabled=”0″][\/et_pb_image][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.6.5″ _module_preset=”default”][et_pb_image src=”http:\/\/3wmcomms.com\/wp-content\/uploads\/2021\/05\/\u00a9CEA-CREATIME-scaled.jpg” title_text=”\u00a9CEA- CREATIME” _builder_version=”4.6.5″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.6.5″ _module_preset=”default” custom_margin=”11px|auto||auto||” custom_padding=”13px||1px|||”][et_pb_column type=”4_4″ _builder_version=”4.6.5″ _module_preset=”default”][et_pb_text _builder_version=”4.6.5″ _module_preset=”default” text_font=”ABeeZee||||||||” text_font_size=”15px” custom_padding=”||23px|||”]<\/p>\n Projecting Perception<\/strong> After an extensive testing period, MPM deduced that the only method that could be used to compensate for the deformations induced by tilted screens was to recreate the path that the light would take from the object under observation to the eyes of the spectator; simulating on the screens, to a pixel, where the light beam should pass if the spectator was really in that virtual environment.<\/span><\/p>\n As Jeanselle succinctly put it, \u201cwe are, in effect, projecting peoples\u2019 perception.\u201d<\/span><\/p>\n For each screen, the team placed two virtual cameras roughly where the viewer’s eyes would be (around 1.6m from the ground, in this case); one for the left eye, drawn in red, and one for the right eye, drawn in blue. Each of the four projection surfaces (left, front, right, and ground) required two cameras, giving a total of eight, grouped into four \u2018rigs\u2019 of two. The left and right cameras of each rig were 6.5cm apart (the average distance between human eyes) and perfectly parallel with no convergence.\u00a0<\/span><\/p>\n \u201cThis information is recorded, allowing us to create a synthetic model of SIRCE at the right scale, thanks to dimensions and angles taken being recorded with a laser meter,\u201d said Jeanselle. \u201cWe then use the same cameras as if they were projectors, texturing the interior faces of the CAVE.\u201d \u00a0<\/span><\/p>\n Once the information has been recorded, it has to be sent in real time – using Derivative\u2019s TouchDesigner \u2013 to five digital Projection E-Vision Laser 10K for projection on SIRCE.<\/span><\/p>\n \u201cWe needed a low maintenance unit capable of delivering 10,000 lumens, with a very short throw lens, which could be on axis with the centre of the CAVE,\u201d said Jeanselle. \u201cLaser was also compulsory from an environmental perspective, as well as guaranteeing low noise and heat generation in the relatively small tent. Digital Projection projectors fulfilled all of these criteria and more, while being very well priced for their performance and quality. It also gave us a partner who could accompany us during the whole concept phase and beyond.\u201d<\/span><\/p>\n For this application, two 120Hz video streams would have to be fed to the video projector (a connection mode called Dual Pipe), so as to allow each unit to alternate very quickly according to a precise frequency between two video sources \u2013 in this case, the left and right eyes. This issue \u2013 combined with the fact that the projectors had to be able to handle many different types of 3D \u2013 gave rise to a complex calibration period for the team.\u00a0<\/span><\/p>\n \u201cIt was a long process, but the quality of industrial calibration that had been done before we received the projectors was very impressive,\u201d said Jeanselle. \u201cThere was no discrepancy between each unit, even if they were not from the exact same batch.\u201d\u00a0<\/span><\/p>\n He added: \u201cDigital Projection were absolutely fantastic throughout the while process. They lent us projectors for weeks to enable us trial them with all the rest of the devices and content. Stephane Bourdon \u2013 Digital Projection\u2019s sales manager for France \u2013 and his team were always available; there were no issues, they stuck to the dates agreed, and a colossal amount of effort was expended pre-sale. We simply couldn\u2019t have done the job without them.\u201d\u00a0<\/span><\/p>\n Although the final touches of the installation had to be put on hold due to the continuing interruptions caused by Covid-19, Jeanselle could confirm that the client was very happy with the project so far.\u00a0<\/span><\/p>\n \u201cIf a spectator stands in the exact position of the cameras, the illusion is perfect, even in stereoscopy,\u201d he said. \u201cThe experience we gained in the prototype phase \u2013 combined with the world class hardware and software \u2013 has allowed us to maintain the highest quality of immersion. Even with half a dozen simultaneous spectators, the effect remains incredibly striking.\u201d \u00a0<\/span><\/p>\n The final word went to Tiana Delhome, hospitaliy manager of CEA Y.SPOT: \u201cWe were well-guided by MPM on what was a very complex and innovative project,\u201d she said. \u201cMPM has shown great availability and flexibility on many occasions, as well as meeting every deadline and managing the project from start to finish. We are very happy with the finished device and look forward to benefitting from it for years to come.\u201d<\/span><\/p>\n Pictures courtesy of\u00a0<\/span><\/strong>\u00a9CEA \/ CREATIME. Visit www.creatime.fr and www.mpmequipement.fr\u00a0<\/em><\/p>\n [\/et_pb_text][et_pb_image src=”http:\/\/3wmcomms.com\/wp-content\/uploads\/2021\/05\/IM7_\u00a9CEA-CREATIME.png” title_text=”IM7_\u00a9CEA- CREATIME” _builder_version=”4.6.5″ _module_preset=”default” background_color=”#000000″ width=”100%” module_alignment=”center” custom_margin=”-32px|242px||||” hover_enabled=”0″ sticky_enabled=”0″][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.6.5″ _module_preset=”default” background_color=”#000000″ custom_margin=”-28px||-28px|||” da_disable_devices=”off|off|off” da_is_popup=”off” da_exit_intent=”off” da_has_close=”on” da_alt_close=”off” da_dark_close=”off” da_not_modal=”on” da_is_singular=”off” da_with_loader=”off” da_has_shadow=”on”][et_pb_row column_structure=”1_4,1_2,1_4″ _builder_version=”4.6.5″ _module_preset=”default” width=”90%” max_width=”1400px”][et_pb_column type=”1_4″ _builder_version=”4.6.5″ 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\u201cThe project\u2019s scenographer won the tender for the refurbishment of the CEA\u2019s Y.SPOT, where the CAVE is installed,\u201d said Jeanselle. \u201cThe idea was to create a virtual environment where any media and content could be shown in an immersive way.\u201d MPM already worked in the past on a number of projects with Fr\u00e9d\u00e9ric Ravatin, including Europe\u2019s largest freshwater aquarium-vivarium museum, Aquatis, in Switzerland.<\/span><\/p>\n