October 2024
Intermediate
240 pages
6h 57m
Japanese
Content preview from 図解まるわかり VR・AR・MRのしくみ
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コンピュータ接続型VR
2-3
高画質化のしくみ
高機能GPUの活用
コンピュータ接続型VRでは、付属するPCの高性能GPUを使うこと
で、スタンドアロン型よりも格段に高い描画性能を実現できます。GPU
は並列処理能力に長けており、VRコンテンツに不可欠な大量の3D グラフ
ィックス計算を効率的かつ高速に処理できます。
光線追跡による高品質な描画や物理シミュレーション、高解像度の映像
処理など、VR描画で求められる高負荷の並列計算をスムーズに行えるた
め、高解像度でリッチな映像表現が可能となります。こうして没入感の高
いVR 体験を実現することができるのです（図 2-5）。
低遅延の有線接続
コンピュータ接続型VRは、一般的にヘッドセットとPC を有線で接続し
ます。USBType-C などのケーブルを通じ、映像を素早く送信して遅延を
最小限に抑えることができます。一方、無線接続では伝送速度の制約から
映像の品質が損なわれたり、遅延が生じることがあります。有線接続もケ
ーブルの長さによる制約はありますが、遅延の少ない映像出力は没入感を
高めるうえで非常に重要です（図2-6）。
専用コンテンツの充実
コンピュータ接続型VR専用に制作された高品質のコンテンツは、数多
く存在します。これらにはスタンドアロン型では実現が難しい、緻密な描
画や物体の質感、光の反射を精密に計算し、臨場感のある映像を即時生成
できるリアルタイムレイトレーシングなどの先進的な映像技術が用いられ
ています。
このようにコンピュータ接続型VRは、最先端のグラフィックス性能を ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.