HCI: Error threshold set to 4.

[Yoke365]

I am run ./PRiMEStereoMatch image -l ./left.png -r ./right.png --alg=STEREO_SGBM

OpenCL Platform Information:

1. Device: GeForce GTX 960M
   1.0 Device Type: GPU
   1.1 Hardware version: OpenCL 1.2 CUDA
   1.2 Software version: 384.130
   1.3 OpenCL C version: OpenCL C 1.2
   1.4 Parallel compute units: 5
   1.5 Max Work Group Size: 0
   1.6 Max Work Item Dimensions: 3
   1.7 Max Global Memory Size: 4240965632
   1.8 Image Support?: Yes

Starting Stereo Matching Application.
Stereo Matching for Depth Estimation.
Preprocessing for Stereo Matching.
Input Source: Images
Parsing command-specific arguments.
User Dataset filenames provided.
Image command arguments parsed.
Global arguments:
Matching Algorithm: STEREO_SGBM
Loading User as the default dataset.
Loaded Left: ./left.png
Loaded Right: ./right.png
Setting up pthreads function constructors
Setting up OpenCL Environment
Number of devices available of each type:
CL_DEVICE_TYPE_CPU: 0
CL_DEVICE_TYPE_GPU: 1
CL_DEVICE_TYPE_ACCELERATOR: 0
-----CL_DEVICE_TYPE_GPU---------
Setting up OpenCL function constructors
Build log:

CVC_cl: OpenCL kernels created.
Build log:

CVF_cl: OpenCL kernel versions created in context.
Allocated OpenCL Buffers
Build log:

DispSel_cl: OpenCL kernels created.
Construction Complete
End of Preprocessing
StereoMatch Application Initialised
Computing Depth Map
MatchingAlgorithm == STEREO_SGBM
HCI: Error threshold set to 4.
DE Time: 155.65 ms