Tagged articles

4D reconstruction

8 articles · Page 1 of 1

Oct 23, 2026 · Artificial Intelligence

PhysCodeGym Benchmark Catches Physics Errors in Code Agents' 4D Video Reconstruction

Shanghai Jiao Tong University and collaborators introduce PhysCodeGym, a benchmark with 156 real-video tasks requiring code agents to write executable Blender programs for 4D physical reconstruction; evaluation combines visual similarity with physical validity checks including counterfactual verification, revealing that even top models like GPT-6-Astra produce physically implausible simulations despite visual accuracy.

4D reconstructionAI evaluationBlender

0 likes · 18 min read

PhysCodeGym Benchmark Catches Physics Errors in Code Agents' 4D Video Reconstruction

Machine Heart

Oct 19, 2026 · Artificial Intelligence

DynStream: First Pose-Free Streaming 4D Gaussian Reconstruction for Large-Scale Dynamic Scenes

Peking University, VGI Labs, and UC Merced introduce DynStream, a feed-forward framework that reconstructs dynamic 3D scenes from pose-free video streams by chunking input, predicting relative poses and scale factors for global alignment, and separating static and dynamic Gaussians for continuous rendering.

4D reconstructionComputer VisionGaussian splatting

0 likes · 9 min read

DynStream: First Pose-Free Streaming 4D Gaussian Reconstruction for Large-Scale Dynamic Scenes

Data Party THU

Sep 1, 2026 · Artificial Intelligence

How OVOW Turns Monocular Video into Physically Simulatable 4D Meshes

OVOW introduces a pipeline that converts ordinary monocular video into instance‑level 4D meshes with real‑world scale, motion, and physical properties, enabling direct editing and simulation in physics engines while outperforming prior 4D reconstruction methods in accuracy and speed.

4D reconstructionComputer VisionECCV 2026

0 likes · 9 min read

How OVOW Turns Monocular Video into Physically Simulatable 4D Meshes

Machine Heart

Aug 17, 2026 · Artificial Intelligence

From One Video to a Simulatable Dynamic World: OVOW’s 4D Reconstruction Breakthrough

OVOW (One Video, One World) converts ordinary monocular video into instance‑level 4D meshes with accurate geometry, scale, and motion, enabling editable, collidable scenes that can be placed into physics engines for simulation, editing, and data generation, as demonstrated on diverse benchmarks and real‑world examples.

4D reconstructionComputer Visioninstance mesh

0 likes · 9 min read

From One Video to a Simulatable Dynamic World: OVOW’s 4D Reconstruction Breakthrough

Machine Heart

Jun 25, 2026 · Artificial Intelligence

No‑Training Camera Redirection: From One Monocular Video to Arbitrary Angles and Bullet‑Time

FreeOrbit4D achieves training‑free arbitrary camera redirection for a single monocular video by reconstructing a foreground‑complete 4D geometry, delivering stable large‑angle shots, beating baselines on VBench and user studies, and exposing an editable 4D point cloud for many downstream applications.

4D reconstructionComputer VisionFreeOrbit4D

0 likes · 11 min read

No‑Training Camera Redirection: From One Monocular Video to Arbitrary Angles and Bullet‑Time

PaperAgent

Jun 7, 2026 · Artificial Intelligence

CVPR 2026 Awards Spotlight: D4RT, ResNet, and the Rise of 4D Vision AI

The CVPR 2026 award ceremony, with 16,092 submissions and a 25.3% acceptance rate, highlights a shift in computer vision from static image understanding to dynamic 4D reconstruction, single‑image 3D generation, game‑agent modeling, and real‑time image editing, while honoring foundational works like ResNet and YOLO.

4D reconstructionCVPR 2026D4RT

0 likes · 7 min read

CVPR 2026 Awards Spotlight: D4RT, ResNet, and the Rise of 4D Vision AI

ByteDance SE Lab

Mar 2, 2026 · Industry Insights

How Real-Time 3D Digital Clones Stole the Show at the 2026 Spring Festival Gala

The 2026 Spring Festival Gala showcased a breakthrough spatial video system that creates lifelike 3D digital twins in real time, using a 70‑camera 4D reconstruction pipeline, AI‑enhanced rendering, and seamless integration with broadcast and lighting controls to achieve photorealistic, multi‑person performances.

4D reconstructionai-optimizationdigital twin

0 likes · 6 min read

How Real-Time 3D Digital Clones Stole the Show at the 2026 Spring Festival Gala

AntTech

Feb 10, 2026 · Artificial Intelligence

How Split4D Reconstructs 4D Dynamic Scenes Without Video Segmentation

Split4D introduces a novel paradigm for 4D scene reconstruction that eliminates the need for video segmentation by leveraging single‑frame 2D masks, a freetime feature learning strategy, streaming sampling, and 3D tracking regularization, achieving high‑quality, object‑level decoupled representations across complex dynamic scenarios.

4D reconstructionAI graphicsGaussian splatting

0 likes · 8 min read

How Split4D Reconstructs 4D Dynamic Scenes Without Video Segmentation