AR-Based 3D Scene Reconstruction from Multi-View Images

Project Overview

Implemented a complete AR-based 3D reconstruction pipeline using Structure-from-Motion principles. The system reconstructs a 3D point cloud from multi-view phone images using SIFT features, pose chaining, triangulation, and bundle adjustment.

Technologies Used

  • C++ / OpenCV
  • Ceres Solver for bundle adjustment
  • SIFT Feature Detection
  • Open3D for point cloud visualization

Key Features

  • Custom pose chaining and triangulation logic
  • Accurate camera calibration from phone EXIF data
  • Experimental integration of MiDaS for dense depth fusion
  • IEEE-format report and video presentation included

Research Contributions

  • End-to-end SfM pipeline implemented from scratch
  • Evaluation against COLMAP and MiDaS-based baselines
  • Insights on 3D reconstruction accuracy from mobile sensors

Video Presentation

GitHub