EX-4D: Revolutionizing 4D Video Synthesis with Depth Watertight Mesh Technology Imagine transforming ordinary smartphone videos into immersive 3D experiences where you can freely explore every angle. What once required Hollywood-grade equipment is now achievable through groundbreaking research in extreme viewpoint synthesis. The Challenge of Perspective Freedom Traditional video confines viewers to a fixed perspective. EX-4D shatters this limitation by enabling camera movements from -90° to 90° – a technological leap with profound implications: Converts standard 2D videos into interactive 4D experiences Solves extreme-angle occlusion challenges Maintains physical consistency across all viewpoints Achieves this without expensive multi-view setups This innovation democratizes …