Are actors' worst fears coming true? New 4D Gaussian Splash Method Captures Human Motion

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As THE Hollywood actors' strike steps Before towards It is 100th day with No resolution In view, A technological leap has just rendered A of THE actors' the biggest complaints even more possible: 3D scanning of human body In movement, potentially allowing For actors' performances And manners has be capture And stored as A 3D model that could be reused by studios In perpetuity.

Although 3D scanning technology has has been around In Hollywood For decades, he has typically implied A complex And takes time facility — several cameras arranged 360 degrees around A actors body, Or, In THE case of capture movement, using ping pong ball as “Markers” put directly on THE actor And A well fitted body suit. Even recent advances using AI, such as THE UNITED KINGDOM to start up Move AI, in general rely on on several cameras (However Move has A new Single camera application NOW In limit, by invitation only version).

But NOW, A new method has has been reached : Gaussian splashes, A series of equations which has In recent years has been used has capture static 3D imagery Since A Single 2D camera that East moved In A sequence around A object, has NOW has been amended by researchers has Huawei And THE Huazhong University of Science And Technology In China has capture dynamic movement In 3D as GOOD, including human body movements.

Their method East called "4D Gaussian splashes, " because time, be THE fourth dimension, East THE new functionality, allowing For THE picture has change on time.

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Learn More For what movement East SO difficult For Gaussian splashes

3D Gaussian splashes was designed For scanning objects with lasers In 2001 by researchers has MIT, ETH Zurich, And Mitsubishi.

He uses collections of particles has represent A 3D scene, each with It is own position, rotation, And other attributes. Each indicate East Also assigned A opacity And A color, which can change depending on, depending on THE see direction. In recent years, Gaussian splashes has come A long path And can NOW be rendered In modern the Web browsers And do Since A collection of 2D pictures on A users smartphone.

However, as THE researchers to write In A new paper published October 12 simultaneously on GitHub And free access site arXiv.org, “3D-GS [Gaussian splashes] always concentrates on THE static scenes. Extension he has dynamic scenes as A 4D representation East A reasonable, important but difficult subject. THE key challenge lies In modeling complicated indicate movements Since sparse entrance. »

THE main challenge East that When several Gaussian splashes ...