Author: Dr. A. Stewart Walker

Dr. A. Stewart Walker

Stewart is the Managing Editor of the magazine. He holds MA, MScE and PhD degrees in geography and geomatics from the universities of Glasgow, New Brunswick and Bristol, and an MBA from Heriot-Watt. He is an ASPRS-certified photogrammetrist. More articles...

01.27.2019

Book Review: The Laser That’s Changing the World

The Amazing Stories behind Lidar from 3D Mapping to Self-Driving Cars

Prometheus Books, Amherst, New York, 2018. 228 x 154 mm, 314 pp 24 black and white illustrations, numerous notes and references, index. Paperback,…

11.27.2018

Lidar Flies High

Writing this on board a Lufthansa flight to Germany to participate in the mid-term symposium of ISPRS Technical Commission I, entitled “Innovative Sensing—from…

11.27.2018

Sigma Space Brings Single-Photon to Hexagon

A Further Tale of People, Acquisitions and Technology

In our July issue, managing editor Stewart Walker gave a lengthy account of the development and status of airborne lidar systems at the…

09.24.2018

Summer Highs

I had the privilege, along with publisher Allen Cheves and professional land surveyor Jason Foose, County Surveyor, Mohave County Public Works, Arizona, to…

09.24.2018

Autonomous Vehicles Operational Thanks to Lidar

May Mobility relies on home-grown sensor fusion to guide vehicles on fixed route

When Managing Editor Stewart Walker first visited Cepton Technologies to investigate their efforts to build on their automotive lidar experience with a sensor…