{"id":134446,"date":"2018-01-03T16:14:35","date_gmt":"2018-01-03T16:14:35","guid":{"rendered":"https:\/\/\/10x-plus-de-pixels-avec-lecran-vr-de-google\/"},"modified":"2018-01-03T16:14:35","modified_gmt":"2018-01-03T16:14:35","slug":"10x-plus-de-pixels-avec-lecran-vr-de-google","status":"publish","type":"post","link":"https:\/\/test.ecinews.fr\/fr\/10x-plus-de-pixels-avec-lecran-vr-de-google\/","title":{"rendered":"10X plus de pixels avec l’\u00e9cran VR de Google"},"content":{"rendered":"

Un tel \u00e9cran offrirait une r\u00e9solution de 2,5 x 4K par \u0153il. La nouvelle de ce \u00abprojet secret\u00bb a \u00e9t\u00e9 r\u00e9v\u00e9l\u00e9e lors d’une allocution prononc\u00e9e \u00e0 la SID Display Week par le vice-pr\u00e9sident de la r\u00e9alit\u00e9 virtuelle de Google, Clay Bavor.
\n\u00abNous avons \u00e9tabli un partenariat \u00e9troit avec l’un des principaux fabricants d’OLED au monde pour cr\u00e9er un \u00e9cran OLED compatible avec la VR avec 10 fois plus de pixels que tout autre \u00e9cran VR actuellement disponible sur le march\u00e9\u00bb, explique Clay Bavor. \u00ab\u00a0J’ai vu \u00e7a au labo et c’est spectaculaire.\u00a0\u00bb Cependant Clay Bavor note qu’on est encore loin de ce qui est n\u00e9cessaire pour correspondre \u00e0 la vision humaine qui demeure le but ultime. Mais, dit-il, \u00ab\u00a0c’est un tr\u00e8s grand pas dans la bonne direction\u00a0\u00bb.<\/p>\n

La puissance de calcul pour le faire fonctionner est \u00ab\u00a0horrible\u00a0\u00bb, dit-il, notant que pour une performance de 90-120 fps, un tel affichage n\u00e9cessiterait des d\u00e9bits de 50-100 Gb \/ s. En cons\u00e9quence, Google travaille avec ARM et d’autres soci\u00e9t\u00e9s sur des techniques telles que le rendu am\u00e9lior\u00e9 combin\u00e9 avec le suivi de l’\u0153il ainsi que d’autres avanc\u00e9es optiques pour permettre une utilisation plus efficace de tels \u00e9crans VR \u00e0 tr\u00e8s haute r\u00e9solution.<\/p>\n

.<\/p>\n

\n
\n
<\/div>\n

Clay Bavor a \u00e9galement discut\u00e9 des d\u00e9fis li\u00e9s \u00e0 l’utilisation des \u00e9crans LCD – qui sont encore utilis\u00e9s actuellement sur la plupart des smartphones – pour la VR \/ AR, compte tenu de leur latence (ou temps de r\u00e9ponse) et de leur persistance par rapport aux OLED. Pour y rem\u00e9dier, il a annonc\u00e9 que Google travaille avec Sharp pour cr\u00e9er des \u00e9crans LCD pour smartphone ultra-haute r\u00e9solution con\u00e7us pour la r\u00e9alit\u00e9 virtuelle, optimis\u00e9s pour un temps de r\u00e9ponse tr\u00e8s faible.<\/p>\n

\n

\nEn utilisant \u00ab\u00a0un tas d’astuces\u00a0\u00bb, ils ont r\u00e9ussi \u00e0 r\u00e9duire le temps de r\u00e9ponse \u00e0 moins de 6 ms, compar\u00e9 au temps de r\u00e9ponse typique de plus de 20 ms pour la plupart des \u00e9crans LCD des smartphones. Cela seul\u00a0\u00bb, dit-il, est \u00ab\u00a0un gros, gros progr\u00e8s\u00a0\u00bb.<\/p>\n

En ce qui concerne le probl\u00e8me de la persistance, Google et Sharp se sont concentr\u00e9s sur le r\u00e9tro\u00e9clairage qui, pour les \u00e9crans LCD traditionnels, est toujours activ\u00e9, provoquant un flou visuel lors du d\u00e9placement et \u00abdonnant au monde une apparence de d\u00e9sordre total\u00bb. La solution qu’ils ont trouv\u00e9e est l’utilisation d’un r\u00e9tro-\u00e9clairage roulant et stroboscopique.
\nLa combinaison de ces progr\u00e8s a \u00ab\u00a0consid\u00e9rablement augment\u00e9 la qualit\u00e9 de l’\u00e9cran LCD pour smartphone VR. Cela devrait amener la r\u00e9alit\u00e9 virtuelle \u00e0 plus de gens via les smartphones\u00a0\u00bb, a t-il ajout\u00e9.<\/div>\n<\/div>\n

Google VR<\/a><\/p>\n

La r\u00e9daction vous conseille:<\/b><\/p>\n

Soitec offre un substrat d\u00e9di\u00e9 pour l’imagerie 3D<\/a><\/p>\n

Le DSP Vision P6 int\u00e9gr\u00e9 dans la puce HiSilicon g\u00e8re la VR du Mate 10 de Huawei<\/a>
\n <\/p>\n","protected":false},"excerpt":{"rendered":"

Google (Mountain View, CA) travaille sur un prototype de micro-display OLED de 20-megapixel-per-oeil pour une utilisation en r\u00e9alit\u00e9 augment\u00e9e (AR) et en r\u00e9alit\u00e9 virtuelle (VR).<\/p>\n","protected":false},"author":22,"featured_media":134447,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[896,897,906,907,914],"domains":[47],"ppma_author":[1149],"class_list":["post-134446","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","tag-digitalsignalprocessing-fr","tag-displays-interfaces-fr","tag-mpus-mcus-fr","tag-optoelectronics-fr","tag-wearables-fr","domains-electronique-eci"],"acf":[],"yoast_head":"10X plus de pixels avec l'\u00e9cran VR de Google ...<\/title>\n<meta name=\"description\" content=\"Google (Mountain View, CA) travaille sur un prototype de micro-display OLED de 20-megapixel-per-oeil pour une utilisation 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