If the only thing you need for edging is the information about shape, you can use additional color scanning.
The highest resolution and the perfect image quality allow marking the bark on the board and edging it. Cameras are on the top and on the bottom of the board. This feature is especially useful when sawing the unbarked or bad barked round timber.
Video below describes the principle of scanner working with larch tree. Feeding rate is 300 m/min. Madera, Irkutsk.