360° Image Processing

• Format Conversions:
  • Equirectangular ↔ Cube map transformations (CPU/GPU)
• Visualization:
  • Web-based 360° viewer with depth perception using Three.js

Core Transformations

• Equirectangular → Cube Map
  • Spherical coordinate mapping with OpenCV
  • Parallelized CPU (OpenMP) and GPU (CUDA) implementations
• Cube Map → Equirectangular
  • Ray projection onto cube faces
  • Face-aware coordinate mapping

// CUDA Kernel (equi-cube.cu)
__global__ void equiCubeKernel(/*...*/) {
  // Calculate 3D cube coordinates
  // Convert to spherical → equirectangular
}

Web Visualization

• Three.js VR Scene:
  • Panoramic sphere with depth displacement:

  sphere.material.displacementMap = depthTexture; // Depth-based 3D effect
  

  • WebXR integration for VR headsets

• Speedup with CUDA
• Real-time cube map generation
• Depth-enhanced 360° scenes improved VR immersion