PIX4Dmatic generates a quality report that can be used to get an overview of the project and assess its accuracy and quality.
The following is available:
 A General report is generated after running the Calibrate or Reoptimize step:
 Click the Report panel.
 Click the Report panel.
 Detailed quality report (.pdf). To export the detailed quality report:
 In the Report panel, Check the Quality Report checkbox, then click Export.
 In the Processing options panel, check Exports  Quality report.
 On the Menu bar > File, click Export quality report...
IN THIS ARTICLE
The following table describes the content of the quality report.
Quality Report
Header  

Date  The date the project was processed. 
Project name  The name of the project. 
Version  The version of the software used to process the project. 
Project summary  
Cameras  The name of the camera model(s) used to capture the images. 
Average GSD  The average GSD of the initial images. For more information: Ground sampling distance (GSD). 
Project CRS (coordinate reference system) 
The horizontal and vertical coordinate system used for processing. When the vertical coordinate reference system is not specified, the base ellipsoid of the horizontal coordinate is used. 
Quality check  
Matches 
The median of matches per calibrated image. Keypoints Image Scale > 1/2: More than 1'000 matches have been computed per calibrated image. Keypoints Image Scale > 1/2: Between 100 and 1'000 matches have been computed per calibrated image. Keypoints Image Scale > 1/2: Less than 100 matches have been computed per calibrated image. 
Dataset 
The percentage of images that have been calibrated as well as the number of images that have been used for the reconstruction of the model with respect to the total number of the images in the project. More than 95% of enabled images are calibrated in one block. Between 75% and 95% of enabled images are calibrated. Less than 75% of enabled images are calibrated. 
Camera optimization  The percentage of the difference between initial and optimized focal length of the camera.
The percentage of difference between initial and optimized focal length is less than 5%. The percentage of difference between initial and optimized focal length is between 5% and 20%. The percentage of difference between initial and optimized focal length is more than 20%. 
GCPs (optional)  Displays the number of imported GCPs, the Mean RMS position error of the marked GCPs, and their Sigma value.
The GCP Mean RMS position error is equal to or less than 1.5 times the average GSD. The GCP Mean RMS position error is less than or equal to 2.5 times the average GSD. The GCP Mean RMS position error is more than 2.5 times the average GSD. if statistics are not available. 
Checkpoints (optional)  Displays the number of added Checkpoints, the Mean RMS position error of the marked Checkpoints and their Sigma value.
The Checkpoint Mean RMS position error is less than 1.5 times the average GSD. The Checkpoint Mean RMS position error is more than 2.5 times the average GSD. The Checkpoint Mean RMS position error is more than 2.5 times the average GSD. if statistics are not available.. 
MTPs (optional)  Displays the mean projection error.
The MTP mean reprojection error is lower or equal to 1 pixel. The MTP mean reprojection error is lower or equal to 3 pixels. The MTP mean reprojection error is greater than 3 pixels. if statistics are not available.. 
aITPs (optional)  Displays the mean projection error.
The aITP mean reprojection error is lower or equal to 1 pixel. The aITP mean reprojection error is lower or equal to 3 pixels. The aITP mean reprojection error is greater than 3 pixels. if statistics are not available.. 
mITPs (optional)  Displays the mean projection error.
The mITP mean reprojection error is lower or equal to 1 pixel. The mITP mean reprojection error is lower or equal to 3 pixels. The mITP mean reprojection error is greater than 3 pixels. if statistics are not available. 
ATPs (optional)  Displays the mean projection error.
The ATP mean reprojection error is lower or equal to 1 pixel. The ATP mean reprojection error is lower or equal to 3 pixels. The ATP mean reprojection error is greater than 3 pixels. if statistics are not available. 
Cameras
Camera positions
Overlap  
Graph  
Description  This graph shows the number of overlapping images for each pixel of the DSM preview. For precises 3d modeling and mapping applications, the overlap in the area of interest should be green, i.e. each pixel should be visible in more than 5 images. 
Matches
Tie points
Ground control points (GCPs)  

Label  The name of the GCP. 
Position error  X[m or ft]  The difference between the computed and the initial position of the ground control point in the Xaxis, i.e., initial position  computed position. 
Position error  Y[m or ft]  The difference between the computed and the initial position of the ground control point in the Yaxis, i.e., initial position  computed position. 
Position error  Z[m or ft]  The difference between the computed and the initial position of the ground control point in the Zaxis, i.e., initial position  computed position. 
Reprojection error [px] 
The average distance in the images where the GCP has been marked and where it has been reprojected. 
Accuracy  X/Y [m or ft]  The Accuracy X/Y of the GCP that has been given in this project in XY direction. 
Accuracy  Z [m or ft]  The Accuracy Z of the GCP that has been given in this project in Z direction. 
Verified/Marked  Verified: The number of images on which the GCP has been marked and are taken into account for the reconstruction. Marked: The images on which the GCP has been marked. 
Mean  The mean / average position error in each direction (X,Y,Z). For more information: How are the GCP Errors defined in the Quality Report?. 
Median  The middle value of the errors across all GCPs in each direction (X, Y, Z) individually when arranged in ascending order. 
Min  The minimum error across all GCPs in each direction (X,Y,Z) individually. 
Max  The maximum error across all GCPs in each direction (X,Y,Z) individually. 
RMS  The Root Mean Square error in each direction (X,Y,Z). For more information: How are the GCP Errors defined in the Quality Report?. 
Sigma  The standard deviation of the error in each direction (X,Y,Z). For more information: How are the GCP Errors defined in the Quality Report?. 
Checkpoints (CPs)  

Label  The name of the checkpoint. 
Position error  X[m or ft]  The difference between the computed checkpoint and the original position in X direction (original position  computed position). 
Position error  Y[m or ft]  The difference between the computed checkpoint and the original position in Y direction (original position  computed position). 
Position error  Z[m or ft]  The difference between the computed checkpoint and the original position in Z direction (original position  computed position). 
Reprojection error [px] 
The average distance in the images where the checkpoint has been marked and where it has been reprojected. 
Accuracy  X/Y [m or ft]  The Accuracy X/Y of the checkpoint that has been given in this project in XY direction. 
Accuracy  Z [m or ft]  The Accuracy Z of the checkpoint that has been given in this project in Z direction. 
Verified/Marked  Verified: The number of images on which the checkpoint has been marked and are taken into account for the reconstruction. Marked: The images on which the checkpoint has been marked. 
Mean  The mean / average position error in each direction (X,Y,Z). For more information: How are the GCP Errors defined in the Quality Report?. 
Median  The middle value of the errors across all checkpoints in each direction (X, Y, Z) individually when arranged in ascending order. 
Min  The minimum error across all checkpoints in each direction (X,Y,Z) individually. 
Max  The maximum error across all checkpoints in each direction (X,Y,Z) individually. 
RMS  The Root Mean Square error in each direction (X,Y,Z). For more information: How are the GCP Errors defined in the Quality Report?. 
Sigma  The standard deviation of the error in each direction (X,Y,Z). For more information: How are the GCP Errors defined in the Quality Report?. 
Manual tie points (MTPs)  

Label  The name of the MTP. 
Reprojection error [px] 
The average distance in the images where the MTP has been marked and where it has been reprojected. 
Verified/Marked  Verified: The number of images on which the MTP has been marked and are taken into account for the reconstruction. Marked: The images on which the MTP has been marked. 
Mean  The mean/average position error in each direction (X,Y,Z). For more information: How are the GCP Errors defined in the Quality Report?. 
Median  The middle value of the errors across all MTPs individually when arranged in ascending order. 
Min  The minimum error across all checkpoints in each direction (X,Y,Z) individually. 
Max  The maximum error across all checkpoints in each direction (X,Y,Z) individually. 
RMS  The Root Mean Square error in each direction (X,Y,Z). For more information: How are the GCP Errors defined in the Quality Report?. 
Sigma  The standard deviation of the error in each direction (X,Y,Z). For more information: How are the GCP Errors defined in the Quality Report?. 
Manual checkpoints (MCPs)  

Label  The name of the MCP. 
Reprojection error [px] 
The average distance in the images where the MCP has been marked and where it has been reprojected. 
Verified/Marked  Verified: The number of images on which the MCP has been marked and are taken into account for the reconstruction. Marked: The images on which the MCP has been marked. 
Mean  The mean/average position error in each direction (X,Y,Z). For more information: How are the GCP Errors defined in the Quality Report?. 
Median  The middle value of the errors across all MCPs individually when arranged in ascending order. 
Min  The minimum error across all checkpoints in each direction (X,Y,Z) individually. 
Max  The maximum error across all checkpoints in each direction (X,Y,Z) individually. 
RMS  The Root Mean Square error in each direction (X,Y,Z). For more information: How are the GCP Errors defined in the Quality Report?. 
Sigma  The standard deviation of the error in each direction (X,Y,Z). For more information: How are the GCP Errors defined in the Quality Report?. 
Automatic tie points (ATPs)  

Label  The name of the ATP. 
Reprojection error [px] 
The average distance in the images where the ATP has been marked and where it has been reprojected. 
Mean  The mean/average position error in each direction (X,Y,Z). For more information: How are the GCP Errors defined in the Quality Report?. 
Median  The middle value of the errors across all ATPs individually when arranged in ascending order. 
Min  The minimum error across all checkpoints in each direction (X,Y,Z) individually. 
Max  The maximum error across all checkpoints in each direction (X,Y,Z) individually. 
RMS  The Root Mean Square error in each direction (X,Y,Z). For more information: How are the GCP Errors defined in the Quality Report?. 
Sigma  The standard deviation of the error in each direction (X,Y,Z). For more information: How are the GCP Errors defined in the Quality Report?. 
Automatic intersection tie points (aITPs)  

Label  The name of the aITP. 
Reprojection error [px] 
The average distance in the images where the aITP has been marked and where it has been reprojected. 
Mean  The mean/average position error in each direction (X,Y,Z). For more information: How are the GCP Errors defined in the Quality Report?. 
Median  The middle value of the errors across all aITPs individually when arranged in ascending order. 
Min  The minimum error across all checkpoints in each direction (X,Y,Z) individually. 
Max  The maximum error across all checkpoints in each direction (X,Y,Z) individually. 
RMS  The Root Mean Square error in each direction (X,Y,Z). For more information: How are the GCP Errors defined in the Quality Report?. 
Sigma  The standard deviation of the error in each direction (X,Y,Z). For more information: How are the GCP Errors defined in the Quality Report?. 
Manual intersection tie points (mITPs)  

Label  The name of the mITP. 
Reprojection error [px] 
The average distance in the images where the mITP has been marked and where it has been reprojected. 
Verified/Marked  Verified: The number of images on which the MTP has been marked and are taken into account for the reconstruction. Marked: The images on which the MTP has been marked. 
Mean  The mean/average position error in each direction (X,Y,Z). For more information: How are the GCP Errors defined in the Quality Report?. 
Median  The middle value of the errors across all mITPs individually when arranged in ascending order. 
Min  The minimum error across all checkpoints in each direction (X,Y,Z) individually. 
Max  The maximum error across all checkpoints in each direction (X,Y,Z) individually. 
RMS  The Root Mean Square error in each direction (X,Y,Z). For more information: How are the GCP Errors defined in the Quality Report?. 
Sigma  The standard deviation of the error in each direction (X,Y,Z). For more information: How are the GCP Errors defined in the Quality Report?. 
Digital Surface Model (DSM)
DSM  

Image  
Description 
Image of the Digital Surface Model (DSM) created after the DSM step is completed. 
Hardware and settings
Processing settings
Calibration  

Template 
It shows the template that can be selected according to the dataset imported for processing:
For more information see Calibrate  PIX4Dmatic. 
Pipeline 
It shows the pipeline that can be selected according to the dataset used for processing:
For more information see Calibrate  PIX4Dmatic. 
Image scale  The value of the image scale used for keypoints extraction.
For more information, see Processing options  Image Scale. 
Max extracted keypoints 
For more information, see Processing options  Keypoints. 
Internals confidence 
For more information see Processing options  Internals confidence. 
Reoptimized 
For more information, see Processing options  Reoptimize cameras. 
Automatic ITPs 
When enabled PIX4Dmatic generates and matches structural line intersections between images:
For more information, see Automatic ITPs  PIX4Dmatic 
Duration  The time needed for processing the Calibrate step.
When Reoptimize cameras option is used, the time corresponds only to the Reoptimize camera pipeline and not to the whole Calibrate step. 
Depth point cloud  
Duration  The time needed for processing the Depth point cloud step. 
Dense point cloud  
Algorithm 
For more information, see Algorithm  Dense point cloud  PIX4Dmatic. 
Image scale 
For more information, see Processing options  Image scale. 
Multiscale 
For more information, see Processing options  Multiscale. 
Density  Defines the density of the point cloud:
For more information, see Processing options  Density. 
Min number of matches  Minimum Number of Matches (26, 3 default) represents the minimum number of valid reprojections of this 3D point to the images.
For more information, see Processing options  Minumum matches. 
Noise filter 
For more information, see Processing options  Noise filter. 
Sky filter 
For more information, see Processing options  Sky filter. 
Duration  The time needed for processing the Densify step. 
Depth & dense fusion  
Distance  Minimum distance from a depth point to the dense point cloud for fusing it. 
Duration  The time needed for processing the Depth & dense fusion step. 
Mesh  
Input point cloud* 
It defines which point cloud is selected as the input point cloud for the Mesh generation:
For more information, see Processing options  Input point cloud. 
Template 
It shows the template that can be selected according to the different types of datasets imported for processing:
For more information, see Processing options  Template. 
Texture size 
Texture Size (1024x1024  32768x32768 pixels, default 8192x8192 pixels). For more information, see Processing options  Texture size. 
Deghosting 
This option can be used for soft or aggressive outlier detection. It can be useful for complex geometries during mesh creation:
For more information, see Processing options  Deghosting. 
Decimation 

Maximum triangle count 
The maximum number of triangles in the final Mesh, by default 1.000.000 triangles. For more information, see Processing options  Decimation. 
Sky mask 
For more information, see Processing options  Sky mask. 
Smoothing 
Applies smoothing to the generated mesh. 
Duration  The time needed for processing the Mesh step. 
Digital Surface Model (DSM)  
Input point cloud* 
This processing option defines which point cloud is used for the DSM generation:

Interpolation  The Interpolation parameters affect the completeness of the generated DSM:
For more information, see Processing options  Interpolation. 
Surface smoothing  The radius of the median filter used for surface smoothing of the DSM (0  20, 12  default).
For more information, see Processing options  Surface smoothing. 
Resolution  The resolution used to generate the DSM. If the mean GSD computed at the Calibrate step is used, its value is displayed. 
Duration  The time needed for processing the Digital Surface Model (DSM) step. 
Orthomosaic  
Algorithm 
It defines the orthomosaic creation algorithms:
For more information, see Processing options  Algorithm. 
Oblique 
This option improves the orthomosaic for oblique projects:
For more information, see Processing options  Oblique. 
Deghosting 
This option removes objects that move during the flight when generating the orthomosaic:
For more information, see Processing options  Deghosting. 
Resolution  The resolution used to generate the Orthomosaic. If the mean GSD computed at the Calibrate step is used, its value is displayed. 
Duration  The time needed for processing the Orthomosaic step. 