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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スタンドアロン型、外部接続型、シースルー型、完全没入型
XRデバイスの種類
2-2
使用方法による分類
XRデバイスは、PCやゲーム機などの外部機器との接続が必要か否かで
スタンドアロン型と外部接続型に分類されます（図2-3）。
スタンドアロン型は、外部機器に接続せず単体で使用できるデバイスで
す。代表例として Meta Quest3 が挙げられます。頭の動きを検出するジ
ャイロセンサーや、頭の回転、傾き、身体の位置を追跡するポジショント
ラッキングなどが内蔵されているため扱いやすい半面、重量があり長時間
の使用は疲労を招くというデメリットがあります。
一方、外部接続型は、PCやゲーム機と接続して使用するデバイスで、
VIVEPro2 や PlayStationVR2 などがあります。映像処理などの性能は接続
先の機器に依存しますが、4Kや8Kなどの高品質な映像表現を実現できる
メリットがあります。
ディスプレイによる分類
ディスプレイの構造では、ビデオシースルー型、光学シースルー型、完
全没入型
の3 種類に大きく分類されます（図 2-4）。
ビデオシースルー型とは、カメラで現実空間を撮影し、その映像上に
CGを重ねて表示する方式です。光学シースルー型は、レンズを透かして
現実世界を見ながら、そこにCGを重ねて表示します。これら2 種類はAR
技術にあたり、代表的なデバイスに AppleVisionPro やHoloLens2 があり
ます。
完全没入型は、外界を完全に遮断しCGによる仮想空間に全面的に没入 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.