Balluff MATRIX VISION mvBlueNAOS - Debayering of Color Sensors (RGB Bayer)

1.10 Sensor Overview 55
1.10.3 Debayering of color sensors (RGB Bayer)
For Bayer demosaicing in the camera, we use our "Adaptive Edge Sensing Plus" method. I.e. "Adaptive Edge
Sensing Plus" detects edges, filters and sharpens them depending on the location. It tries to reconstruct the green
channel based on a gradient. Afterwards, it creates the differences between red and green, and blue and green,
interpolates the values and adds the green values again. The second path below adds a high path filter, an amplifier,
and a threhold to the Bayer data.
The advantages of the "Adaptive Edge Sensing Plus" method are:
• Very few false colors
• No alias effects
• Sharp edges
• Low noise
On the host side, the "Adaptive Edge Sensing Plus" method needs 20 % CPU load.
Figure 3: Debayering with Adaptive Edge Sensing Plus
MATRIX VISION GmbH