Image Statistics View Test Procedure

• Read the Doxygen help page.

• Open the Image Statistics Preferences page and ensure that 'auto-update' is unchecked, 'assume binary mask' is checked and 'background value' is zero

1

• Load non-binary image into NiftyView.
• Open the Image Statistics module.
• Select the non-binary image in the Data Manager.
• Press the Update button on the Image Statistics module.
• Verify that the statistics calculated look correct.

1

• Next load a binary mask image the same size as the previous non-binary into the Data Manager.
• Select this binary image in the Data Manager and press the Update button on the Image Statistics module.
• Verify that the statistics calculated look correct and make a note of the 'volume (ml)' value.

1

• Select both non-binary image and then the binary mask in the Data Manager.
• Verify that the correct images are indicated in the Image Statistics module.
• Press the Update button on the Image Statistics module.
• Verify that the statistics calculated look correct and that the 'volume (ml)' value is identical to the previous calculation.
• Make a note of the values displayed for this test.

1

• Open the Image Statistics Preferences page and uncheck the 'assume binary mask' checkbox.
• As for Test 3 ensure that both the non-binary image and then the binary mask are selected in the Data Manager.
• Verify that the correct images are indicated in the Image Statistics module.
• Press the Update button on the Image Statistics module.
• Verify that the statistics calculated for non-zero values are identical to the values that were displayed for Test 3.