How to fix nppi64_80.dll is missing

This error means that NVIDIA CUDA toolkit is missing or that the wrong version is installed. The NVIDIA CUDA toolkit is required by the ZED SDK to run its stereo matching and depth computation algorithms. 

1. To fix this error, visit the download page for CUDA 8.0 (Windows and Linux) here:

2. Download and install the appropriate 64-bit version of CUDA depending on your platform.

3. Try running the ZED tools and samples again.