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RMV Operations Manual Revision Copyright illunis LLC, 2014
Page 87
6.0: Image Detectors
Overview
AED Window
AFD
TMD-A
TMD-B
A
B
SNR Window
The RMV incorporates several video "detectors" that analyze imagery in real time.
The video detectors measure exposure, focus, SNR and tap-to-tap balance. The ex-
posure detectors operate in several modes that allow the measurement of both im-
age brightness and tap-to-tap matching. The focus detectors measure the sharpness
of the image and can be used for auto focus optics. In addition to the detectors the
windows of the detectors can be overlaid on the video image.
Detector Windows
Each detector has its own window that it uses for analyzing the video data.
The Auto Exposure (AED) and Auto Focus (AFD) detectors and Signal to Noise
Ratio (SNR) are updated on every image read from the sensor. The Tap Match
(TMD) detectors monitor the taps cracks on A, B, C and D. There are also detec-
tors along the lines at the middle of the image (top and bottom TMD). The detec-
tor windows are:
TMD
TMD-D
C
D
TMD-Bottom
TMD-Bottom
TMD-Top
TMD-Top