View\Bayer Algorithm; View\Timestamp; View\Saturated Pixels - DAGE-MTI Excel Series User Manual

•
View\Bayer Algorithm- Allows the choice of various Bayer color array demosaicking
algorithms for processing of the color sensor image data. Algorithm acceptability
depends on the scene contents, quality and the needed update speed. The algorithm
selection is applied at the PC on the "raw" image data from the sensor, therefore it
should be noted that these algorithms can slow the video update display rate. Unlike
the "View\Image Interpolation" setting described above, this algorithm selection is
applied to displayed and saved images.
o Bilinear Interpolation- This non-adaptive algorithm uses the weighted average of
the nearest pixels within a 3x3 block to determine a missing pixel value. Good
results in smooth regions of images. Note we do not offer a "Nearest Neighbor"
algorithm which just copies the nearest pixel value. The "Bilinear" algorithm gives
considerably better results. This default algorithm is the fastest and least
computational.
o Edge Sensing- This adaptive algorithm outperforms the "Bilinear" approach in
textured regions and edges of images by using an adaptive edge direction
interpolation where the area around each pixel is analyzed to determine if a
preferred interpolation direction exists. The interpolation direction is chosen to
interpolate along any edges in the image and to avoid interpolation across edges.
Still a fast algorithm, although more computational than the Bilinear algorithm.
o Color Correction- This adaptive algorithm analyzes for edges as in the "Edge
Sensing" algorithm and also performs processing to preserve color hue. This
algorithm provides the best image quality with the tradeoff of higher computational
load on the PC.
Significantly "zoomed in" area showing algorithm differences
Bilinear Interpolation
•
View\Timestamp- Controls whether the timestamp is displayed/embedded in image.
•
View\Saturated Pixels- Useful for use in monochrome or color cameras to determine
which areas of the image may have saturated data by colorizing only the pixels at
maximum level. The Exposure control can then be used to correct for any areas
which may be overexposed.
o Highlight- Enables the saturated pixel highlighter. Note the colorized highlight
data is only for display purposes and is not saved in the actual image file.
o Color- Determines the highlighted color from a color palette.
Edge Sensing
18
Color Correction