MTF50 (LW/PH) and Oversharpening (%) are written to the multi-region CSV output file, which has a name or the form filename_ extension_multi.csv (4_JPG_multi.csv for the above example.)Ģ.2.3 (300lux 5000K) MTF50 ≥ 0.25 cycles/pixel. SFRplus Edge and MTF plot, showing Under/Oversharpening and MTF50
In order to display Over/undersharpening, Display oversharpening only should be selected in the SFRplus More settings window (in the bottom-left of the Settings area).
MTF50 and Oversharpening ( (–)undersharpening) are displayed in the Edge and MTF plot. SFRplus input settings, with Skype region (ROI) selection Starting with Imatest 3.9, SFRplus has a region (ROI) selection setting that conforms to these tests. These will be in Imatest 3.9-Beta prior to the official 3.9 release in February or March 2012.Ģ.1.2 Acuity – MTF50 and Oversharpening, 2.1.14 Depth of field We are making a number of enhancements to Imatest 3.9 to make it easier to obtain Skype results. Results of Skype tests are divided among three sections of the test specs: 2.2 Minimum requirements (required level), 2.3 HQV Requirements ( preferred level for 640×480 video resolution), and 2.4 HD Requirements ( preferred level for 720×1280 video resolution). Imatest also supports the Microsoft Lync Logo Video Capture Specification and the I3A CPIQ (Camera Phone Image Quality) Phase 2.0 specification. In addition to the GUI-based Master version, non-GUI versions- IT/EXE and IT/DLL- that can interface with manufacturing testing systems are available. To learn more, see Image Quality Factors and SFRplus (which allows many factors to be measured from a single image). The Skype spec uses only a tiny fraction of Imatest’s powerful capabilities. It also contains comments and suggestions (some of which we hope might be adopted in a future release of the spec). This document contains instructions for using Imatest with the Skype Hardware Certification Specification - For all Skype Video Devices Version 5.0. We are updating this page for the latest Skype/Lync specification.Īn index of of the Skype/Lync specifications can be found on.
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