micro-CT

ORS Dragonfly 2021.1 での Window Leveling の挙動について

ORS Dragonfly は自分が使っている CT 画像(正確には処理後の断面画像群)から3次元形状を再構築したりするソフトで、非商用なら無料で使える。 最近、version 4 から 2021.1 へアプデしたのだけれど、いわゆる threshold のとり方の挙動が version 4 以前…

ORS Dragonfly 4.1: "Keep same geometry" crops your slices (Z-direction) as well as XY, so be careful

In ORS Dragonfly Image Loader, there's an option Import another dataset… which is useful if you need to load more than 1 dataset with different settings, e.g., different cropping. If you do that, the cropping ROI is reset every time. Somet…

Dragonfly 4.1 (CT segmentation software) で ROI を使って部位を取り除く

Help の ROI Properties and Settings には、 ROI highlighted in clipped rendering (left), ROI extracted by increasing the ROI opacity and decreasing the opacity of the dataset (middle), ROI subtracted by setting the ROI opacity to 0 and Data…

micro CT settings memo

I'm using SkyScan 1172. According to one of the Bruker's manual named "SkyScan 1172 How to set up a scan?", for 4K camera mode with No Filter, Voltage = 40--50 kV: but it turned out this resulted in some star-like ray noises. As per the su…