Abacus: Automated Tree Measurement
![Portrait of Abacus: Automated Tree Measurement](https://www.ri.cmu.edu/app/uploads/2018/10/abacus.jpg)
This Project is no longer active.
We have developed Abacus 2.0, a hand-held tree-measuring device that measures cross-sectional profiles of trees within a fraction of a second and uses low-cost optics to make the measurements and a palm-top device for user interface and sensor data processing.