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Welcome to the qctools wiki!

Overview

More information about this project can be found at BAVC's QCTools website. Please also see the Artifact Atlas for more information about the quality control of digitized analog video.

Issues?

We strongly encourage users to contribute to the QCTools project through feedback, bug reports, or enhancement requests. If you have a suggestion or encounter a problem please send a report to the QCTools Issue Tracker.

Articles for Getting Started

[What is QCTools?](What is QCTools?)

How to Use

[Reading a QCTools Document](Reading a QCTools Document)

Graphs

• [YUV Stats](YUV Stats Graphs)
• [Diffs](Diff Graphs)
• [Saturation and Hue Graphs](Sat and Hue Graphs)
• [Temporal OUTliers (TOUT)](TOUT Graph)
• [Vertical line REPition (VREP)](VREP Graph)
• [Broadcast Range Adherence](BRNG Graph)
• [Crop Detection](Crop Detection Graphs)
• [Field Comparators (MSEf PSNRf)](Field Comparison Graphs)
• [Momentary Audio Loudness](EBU R128m Graph)

Playback Filters

The QCTools preview window is intended as an analytical playback environent that allows the user to review video through multiple filters simultaneously. The playback window includes two viewing windows which may be set to different combinations of filters. This allows a user to playback a video by viewing a waveform and a vectorscope or perhaps by viewing a waveform and the video with highlighted pixels that are outside of broadcast range.

• Normal
• [Field Difference](Field Difference)
• Histogram
• Waveform
• Vectorscope
• [Extract Planes](Extract Planes)
• [Extract Planes UV](Extract Planes UV)
• [Bit Plane](Bit Plane)
• [Vertical Line Repetitions](Vertical Line Repetitions)
• [Broadcast Range Pixels](Broadcast Range Pixels)
• [Temporal Outlier Pixels](Temporal Outlier Pixels)
• [Chroma Adjust](Chroma Adjust)
• [Value Highlight](Value Highlight)