Search for dissertations about: "Johan Oja"

Found 2 swedish dissertations containing the words Johan Oja.

  2. 1. Measuring knots and resin pockets in CT-images of Norway spruce

    Author : Johan Oja; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Träteknik; Wood Technology;

    Abstract : .... READ MORE

  4. 2. X-ray measurement of properties of saw logs

    Author : Johan Oja; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Träteknik; Wood Technology;

    Abstract : A nondestructive method of measuring knot parameters for research purposes has been compared to alternative, destructive methods. The method is based on automatic analysis of CT-images. The image analysis algorithms were adjusted to and evaluated on Norway spruce. READ MORE