Creates a 3D point cloud (PLY) from a depth image captured with the lens blur feature of the Google Camera app for Android.
Make sure you have exiftool and scipy installed and call:
./gcam2ply.sh image.jpg model.ply $w $h $f
w, h, and f are the sensor with, sensor height and focal length of your phone's camera in mm, respectively. For the Nexus 5, the values are w: 4.54, h: 3.42, f: 4.0 .
Information on the Google Camera depth data is available here.
- Simple camera model: No skew, principal point at (0,0).
- Assuming 8-bit PNG depth maps.
- You can get much higher resolution models by changing the lens blur quality to high in the Google Camera app.
- For best quality, turn down the blur to minimum before saving the image. Otherwise, the color information in the point cloud will be blurred as well.
- Meshlab is a nice tool for viewing PLY point clouds.