also: さんディーえいぞう
noun
3D image; three-dimensional video
Refers to images or video with depth perception, often used in contexts like 3D movies, VR, or computer graphics.
この映画は３Ｄ映像で見ると迫力が違う。
This movie is much more impressive when watched in 3D.
最新のテレビは３Ｄ映像に対応している。
The latest TVs support 3D images.
立体映像 is a more formal or technical term for stereoscopic or three-dimensional images, while ３Ｄ映像 is a common, modern borrowing.
Combination of ３Ｄ (from English '3D') and 映像 (image/video). The reading スリーディー is a direct borrowing from English 'three-D', while さんディー uses the Sino-Japanese reading of ３.