Symbol Quality Verification Tool Parameters

ISO 15415 Verification

Verification Settings

 

Click the Verification Settings area of the parameters to bring up the controls for Aperture, Lighting, and Setup Notes.

 

 

 

Calibration

 

Click the Calibration section of the parameters to bring up the dialog shown below. The Calibration dialog features simple instructions about how to calibrate your camera and the Verification Tool in order to be compliant with your chosen verification specification. You must have a Calibration card in order to calibrate your system.

 

Use this dialog to enter the data from your Calibration card, and then click the Calibrate button to start the process.

 

As part of the calibration process, the Exposure Time setting of your camera will be adjusted. Use the Maximum Exposure value in the Calibration dialog to set the maximum Exposure Time that can be set.

 

Important: Verification tools must be calibrated first to achieve accurate results.

 

 

 

Custom Verification

 

When you click the box next to Enable Customized Verification Tests, you will see the dialog shown below. This dialog allows you to select the individual attributes on which the verification will be based, and to define Good/Fair/Poor ranges for each attribute.

 

Important: Disabling parameters using the Custom Verification dialog results in a verification process that no longer strictly conforms to the ISO 15415 standard.

 

 

 

ISO 15415 Verification Parameters

 

 

 

 

 

 

 

 

 

 

ISO 15415 Verification Report

 

 

Click on the letter grade in the tool list to open the verification report.

 

 

 

ISO 15415 Numeric Score and Grade Level Comparison

 

 

 

ISO 15415 Verification Final Grade

 

The ISO 15415 final grade is shown in the upper left corner of the verification report and the numeric value is reported as the first field in the reported grade string. The final grade is defined by the lowest grade achieved by any individual grade parameter.

 

When custom verification is enabled, in addition to setting threshold for Good/Fair/Poor, you have the option to select which parameters are to be included in the final grade calculation. In the below example you can see the impact of removing Axial Non-Uniformity from the grade calculation.

 

 

 

AIM DPM/ISO 29158 Verification

 

Verification Settings

 

Click the Verification Settings area of the parameters to bring up the controls for Lighting and Setup Notes.

 

Note: AIM DPM/ISO 29158 automatically determines and reports the aperture per the specification to either 50% or 80% of the nominal cell size of the symbol under test.

 

 

 

Calibration

 

Click the Calibration section of the parameters to bring up the dialog shown below. The Calibration dialog features simple instructions about how to calibrate your camera and the Verification Tool in order to be compliant with your chosen verification specification. You must have a Calibration card in order to calibrate your system.

 

Use this dialog to enter the data from your Calibration card, and then click the Calibrate Reflectance button to start the process.

 

As part of the calibration process, the Exposure Time setting of your camera will be adjusted. Use the Maximum Exposure value in the Calibration dialog to set the maximum Exposure Time that can be set.

 

Important: Verification tools must be calibrated first to achieve accurate results.

 

 

 

Custom Verification

 

When you click the box next to Enable Customized Verification Tests, you will see the dialog shown below. This dialog allows you to select the individual attributes on which the verification will be based, and to define Good/Fair/Poor ranges for each attribute.

 

Important: Disabling parameters using the Custom Verification dialog results in a verification process that no longer strictly conforms to the AIM DPM/ISO 29158 standard.

 

 

 

AIM DPM/ISO 29158 Verification Parameters

 

 

 

 

 

 

 

 

 

 

 

AIM DPM/ISO 29158 Verification Report

 

Click on the letter grade in the tool list to open the verification report.

 

 

 

AIM DPM/ISO 29158 Numeric Score and Grade Level Comparison

 

 

 

AIM DPM/ISO 29158 Verification Final Grade

 

The AIM DPM/ISO 29158 final grade is determined in the same way as the ISO 15415 final grade.

 

 

ISO 15416 Verification

 

Symbology Types

 

Click the Symbology Types you want to verify to the ISO 15416 standard.

 

 

 

Verification Settings

 

Click the Verification Settings area of the parameters to bring up the controls for Aperture, Signal Compensation, Lighting, and Setup Notes.

 

 

Aperture automatically sets the aperture size to the user-defined percentage of the decoded cell size.

 

Signal Compensation compensates for uneven lighting. This parameter improves grading performance, but note that it is not a part of the ISO 15416 standard, and therefore not technically compliant.

 

Lighting Wave Length specifies the wavelength of the lighting being used. Note that this value is for reporting only and does not affect verification results.

 

Lighting Angle specifies the angle of the lighting being used. Note that this value is for reporting only and does not affect verification results.

 

Setup Notes allows you to add any other information about your camera or lighting configuration that needs to be considered.

 

 

Calibration

 

Click the Calibration section of the parameters to bring up the dialog shown below. The Calibration dialog features simple instructions about how to calibrate your camera and the Verification Tool in order to be compliant with your chosen verification specification. You must have a Calibration card in order to calibrate your system.

 

Use this dialog to enter the data from your Calibration card, and then click the Calibrate button to start the process.

 

As part of the calibration process, the Exposure Time setting of your camera will be adjusted. Use the Maximum Exposure value in the Calibration dialog to set the maximum Exposure Time that can be set.

 

Important: Verification tools must be calibrated first to achieve accurate results.

 

 

 

Custom Verification

 

When you click the box next to Enable Customized Verification Tests, you will see the dialog shown below. This dialog allows you to select the individual attributes on which the verification will be based, and to define Good/Fair/Poor ranges for each attribute.

 

Important: Disabling parameters using the Custom Verification dialog results in a verification process that no longer strictly conforms to the ISO 15416 standard.

 

 

 

Custom Verification Editor

 

The Custom Verification Editor is used to define when grades are considered Good or Fair. ISO 15416 reports a floating point grade value and allows you to define limits for Good or Fair based on letter grades. If you want to specify numeric values for Good and Fair limits, check the Use Numeric Values (for floating point control) option. The standard ABCDF control is replaced with a different control that allows you to enter any numeric value for Good and Fair limits.

 

 

Conversion from ISO numeric grades to ANSI letter grades:

 

3.5 to 4.0 is A

2.5 to 3.5 is B

1.5 to 2.5 is C

0.5 to 1.5 is D

0.0 to 0.5 is F

 

 

ISO 15416 Verification Parameters

 

 

 

 

 

 

 

 

 

 

 

ISO 15416 Verification Report

 

Click on the letter grade in the tool list to open the verification report.

 

 

 

ISO 15416 Numeric Score and Grade Level Comparison

 

 

 

ISO 15416 Verification Final Grade

 

The ISO 15416 final symbol grade is shown in the upper left corner and lower right corner of the verification report and the numeric grade is reported as the first field in the reported grade string. The ISO 15416 final symbol grade is a compilation of the 10 individual scan line final grades applied over the region of the symbol. Each individual scan grade from the 10 scans applied can be found at the bottom of each scan column. This scan grade is the lowest grade from that individual scan. The final symbol grade is the average result of the 10 individual scans. In the follow example you see scans 1-5 have quiet zone violations and receive a grade of F or grade value 0. The scans 6-10 receive a B grade based on the minimum grade of modulation. The final symbol grade is the average of the final scans (0 + 0 + 0 + 0 + 0 + 3 + 3 + 3 + 3 + 3) / 10 = 1.5 or grade C. Note that if custom verification is enabled individual parameters can be removed from the scan grade and final grade calculation.

 

 

 

Verification Results

 

All verification output values can be output through Inspection Outputs. All verification status outputs can be tied to the camera's Digital Outputs.

 

 

 

Symbol Quality Verification Reports

 

The report that is produced by AIM DPM/ISO 29158, ISO 15415, and ISO 15416 Symbol Quality Verification can be saved in either PDF or plain text format.

 

 

Click the Save button to save a report manually for the current symbol.

 

 

Choose your folder and file name, and whether to save the report as a PDF (default) or as plain text.

 

 

Click the Options button to configure various options that govern the saving of Verification reports.

 

 

The following dialog is displayed when the Options button is clicked:

 

 

Include Image in Report (PDF Only) includes a bitmap of the image that was inspected. This affects both manual and auto-saved reports.

 

Auto Save Reports enables or disables auto-saving of reports when AutoVISION is in Run mode. Auto-save options are as follows:

 

 

Report File Type selects the file type that will be used when auto-saving reports.

 

Reports Folder: Enter the path to the folder where reports will be automatically saved.  

 

Files are auto-saved with a file name in this format:

 

YYYYMMDD_HHmmss_fff.ext

 

YYYY = Year

MM = Month

DD = Day

HH = Hour (military time)

mm = Minutes

ss = Seconds

fff = Milliseconds

.ext = File extension, either .pdf or .txt, depending on the selected report format.

 

Example file name: 20141227_114803_080.pdf

 

Example Symbol Quality Verification Reports

ISO 15416 Report, PDF Format

 

 

ISO 15415 Report, PDF Format

 

 

 

Symbol Quality Verification Tool (ISO15415) Advanced Parameters

 

Setup Notes: The ISO verification standards each provide a recommended or reference geometric, optical, and lighting configuration. You are encouraged to consult the latest revision of the standard to ensure compatibility. In broad terms, the goals of the standards are to specify measurement configurations that are consistent with appropriate or likely reading scenarios. If you deviate from the reference, you should include the light type, wavelength, and light configuration in the Setup Notes. The notes will be provided as part of the report.

 

 

Symbol Quality Verification Tool (AIMDPM/ISO29158) Advanced Parameters

 

Setup Notes: The ISO verification standards each provide a recommended or reference geometric, optical, and lighting configuration. You are encouraged to consult the latest revision of the standard to ensure compatibility. In broad terms, the goals of the standards are to specify measurement configurations that are consistent with appropriate or likely reading scenarios. If you deviate from the reference, you should include the light type, wavelength, and light configuration in the Setup Notes. The notes will be provided as part of the report.

 

 

Symbol Quality Verification Tool (ISO15416) Advanced Parameters

 

Setup Notes: The ISO verification standards each provide a recommended or reference geometric, optical, and lighting configuration. You are encouraged to consult the latest revision of the standard to ensure compatibility. In broad terms the goals of the standards are to specify measurement configurations that are consistent with appropriate or likely reading scenarios. If you deviate from the reference, you should include the light type, wavelength, and light configuration in the Setup Notes. The notes will be provided as part of the report.