LIDAR Magazine Podcast

In this episode, Austin catches up with Raul Bravo, a prolific inventor holding more than 70 international patent families. As president and founder of Outsight, Raul explains how his firm's technologies transform streams of lidar data into real-time 3D spatial intelligence. The conversation delves into the analytical capabilities of dynamic 3D databases and explores the technical challenges of orchestrating thousands of laser scanners into a cohesive sensing system.

In this episode, Mach9's co-founder and CEO, Alex Baikovitz, talks enthusiastically about the company's mission to improve geospatial workflows for generating information from point clouds, making heavy but considered use of AI, plus innovations from the world of robotics. His flagship product, Digital Surveyor, outputs the derived features to familiar CAD and GIS software suites and can be deployed from a web browser. Alex claims speed improvements of 5x compared to more traditional software approaches – and much more dramatic numbers in certain circumstances. The company emerged from Carnegie Mellon University in Pittsburgh, but is now located in downtown San Francisco, where the availability of a top-quality workforce and closeness to other well-known geospatial firms have proved beneficial.

Dr. Florent Poux is an award-winning researcher and adjunct professor in 3D Data Science at the University of Liège. Based in Toulouse, France, Florent operates the 3D Geodata Academy, a training resource dedicated to building innovations with 3D technology. In this episode, Austin gathers Dr. Poux's thoughts on how to employ novel data processing pipelines to extract value from 3D data. They also discuss his recently published book, 3D Data Science with Python, which seeks to help readers understand modern algorithms and spatial AI models, with a focus on hands-on learning and automation.

Dr. Helen Fricker is a Professor of Geophysics at the Scripps Institution of Oceanography at UC San Diego, one of the world's most important centers for global earth science research and education. Prior to her current role, Dr. Fricker was a science team member for NASA's Ice, Cloud, and Land Elevation Satellite (ICESat); she is currently the science team lead for ICESat-2, and Principle Investigator (PI) for NASA's Earth Dynamics Geodetic Explorer (EDGE) mission. In this episode, we pick Helen's brain about spaceborne lidar altimetry missions, some of the amazing science and research projects they support, and what's over the horizon from a development perspective.

Angus Pacala is CEO and co-founder of Ouster, a major lidar supplier based in San Francisco. The company made headlines in 2023 when it merged with arch-competitor Velodyne. Speaking from the company's offices in Edinburgh, Scotland (home of Sense Photonics, an Ouster acquisition in 2021), Angus addresses the company's technical developments and the status of its forthcoming L4 and Chronos solid-state components and their likely effect on the product portfolio. He explains how the company addresses the four verticals into which it has divided the market and where UAV-lidar fits in. Ouster's software portfolio is covered too. 

Dr. John Adler is a geographer and remote sensing professional with a diverse career in academia, government, and ecological research. He serves as the Lead Airborne Sensor Operator for the National Ecological Observatory Network (NEON) where he conducts airborne surveys across the nation during periods of peak vegetation greenness, contributing to large-scale ecological data collection efforts. In this episode, Austin chats with John about the ins-and-outs of collecting airborne lidar data in concert with RGB + hyperspectral sensors over NEON sites from Alaska to Puerto Rico. They close with a discussion of what the future may hold for NEON data collection and upload. 

In this episode, Stewart speaks with James Rush, Lidar Subject Matter Expert, Allen & Company, about his employer and his personal journey into lidar management. Allen & Company has roots in conventional land surveying, but its offerings today include extensive services in laser scanning of buildings, producing deliverables such as BIMs and digital twins. To this end, it has a subsidiary, Allen3D. James discusses some of the projects on which Allen is working and examines how the specifications are reached in discussion with clients, paying appropriate attention to published standards. He also describes an initiative at Tucker Ranch, near the company's headquarters in Winter Garden, Florida, in which he arranged for 17 collections of lidar point clouds of a small area, to provide a most unusual reference data set for many purposes.

Dr. Ralph Dubayah is a Distinguished Professor of Geographical Sciences at the University of Maryland, College Park. He is the Principal Investigator for NASA's Global Ecosystems Dynamics Investigation Lidar (GEDI) – a full waveform lidar onboard the International Space Station (ISS). In this episode we hear from Dr. Dubayah about the ins and outs of GEDI as well as an upcoming spaceborne lidar mission that's under preparation. We wrap up with a discussion of Dr. Dubayah's dream for airborne laser scanning (ALS) from space!

Josh Novac, Associate Vice President, and Program Manager in the Geospatial, Mapping, and Survey department at Dewberry, talks about how he came to enter the geospatial profession. He discusses the satisfaction and enthusiasm that his 18 years with Dewberry have engendered and explains how the family-owned nature of the business brings special advantages in terms of serving clients. Josh talks about Dewberry's decision to acquire airborne topobathymetric lidar systems and describes some of the projects that the company is currently tackling. On a more personal note, he talks about his friend and mentor, Dave Maune, whose autobiography, 25¢ Piano Lessons, was published at the end of 2024.

Philippe Simard is CEO of SimActive, the Montreal-based supplier of photogrammetric software, which he founded in 2003 with his brother, Louis, who is CTO. We explore how the company began with a successful Canadian defense procurement and has focused consistently on both ease of use and speed. SimActive's flagship Correlator3D product has evolved over 22 years and supports imagery acquired by UAVs, aircraft and satellites, with pricing dependent on image size. It is installed in over 100 countries, indicating the company's steady growth. The brothers' college degrees are in computer vision, so the podcast touches on this approach to photogrammetry as opposed to the classical one taught in geomatics programs over the years.

In this episode, Dr. Steven Woolven, president of Trimble Applanix, manufacturer of GNSS-aided inertial technologies for mobile mapping and positioning, talks about the foundation of the company and how he was tempted to join shortly after completing his PhD. He describes the rapid growth experienced during early years, the benefits of being acquired by Trimble in 2003, and the impressive number of employees who have remained with the Toronto-area firm for decades. The transformation of the business from a few high-end units per annum to large numbers of modestly prices systems for UAVs and other applications is highlighted, including the recently launched APX RTX product line and the PX-1 for UAV navigation.

NavVis unveiled its new MLX handheld laser scanner for reality capture at INTERGEO in September 2024. The MLX complements the VLX2 and VLX3 wearable systems and answers customer requests for a smaller, more nimble product at a lower price-point. In this episode, NavVis co-founder and CEO Dr. Felix Reinshagen talks about the new product as well as intriguing implications, such as the tipping point at which vast amounts of data from mobile reality capture systems, supported by powerful software, become the norm. He delves into the transition from tripod-based to mobile systems. Felix cut his teeth at McKinsey and provides fascinating insights into how his career took a geospatial turn and how he uses his strong background in computer science, economics and business to guide NavVis skillfully. NavVis is healthy, successful and growing, but the decisions on investment, distribution model, markets, and adoption of new technology retain their fascination.

Mike Zoeller and Adam Mosbrucker play key roles within the United States Geological Survey (USGS) Volcano Hazards Program. Both Mike and Adam rely heavily on the use of lidar and its derivative products to support applied science projects related to the specific volcanology of their respective regions, the Hawaiian Volcano Observatory (HVO) and the Cascades Volcano Observatory (CVO), respectively. In this episode, we chat about some of the exciting and novel applications of lidar within their work such as locating landing zones for helicopters and finding ideal placement locations for telemetry and solar power systems for GNSS instrumentation. We also discuss how lidar is utilized to constrain lava flow, develop geophysical models of underlying volcanic mechanics and get a handle on long-term sediment storage and basin yields.

The substantial achievements of UAV-lidar integrators have featured frequently in LIDAR Magazine's articles and posted press releases. Dr. Tristan Allouis, co-founder and CEO of YellowScan, based in beautiful Montpellier, France, talks about why he started the company in 2012, only a year after completing his PhD. He explains the YellowScan product lines and is particularly proud of the in-house development of the Navigator system, which uses YellowScan's own topobathymetric lidar sensor. With the arrival of Navigator, YellowScan is not just an integrator, but a manufacturer too. Tristan emphasizes YellowScan's focus on service and explains how a company with roots in the magic of France competes effectively in the global UAV-lidar market-place.

Many of us have marveled at NASA's spaceborne lidar systems, ICESat-2 and GEDI. The technical challenges of detecting returning photons and generating accurate elevation data are considerable. An Orlando start-up, NUVIEW, is planning a constellation of 21 lidar smallsats, each about the size of a dishwasher. The first one, "Mr. Spock" or space proof of concept, is in an advanced stage of preparation. In this episode, Clint Graumann, CEO and co-founder of NUVIEW, answers our questions about the company, its technology and proposed constellation, the leadership and the business aspects. NUVIEW emerged from stealth mode in 2023 and counts award-winning actor Leonardo DiCaprio among its investors. NUVIEW has fomented considerable excitement in the geospatial world and has already won several awards.

Katreen Wikstrom-Jones and Jill Nicolazzo work at the Alaska Department of Natural Resources: Division of Geological and Geophysical Surveys (DGGS). Within the geohazards department, they utilize field measurements, remotely sensed data products, and numerical models to glean a better understanding of climate and cryosphere hazards.  In this episode, we chat about how the team utilizes airborne lidar data to study landslides and avalanches and how these events affect humans and critical infrastructure within the State of Alaska. We also discuss what it's like to undertake fieldwork up north (hint: bears)!

In this episode, we introduce Austin Madson, associate editor of LIDAR Magazine and co-host of the podcast. An Earth scientist by trade, Austin has research interests that intersect the hydrosphere, cryosphere, biosphere, and lithosphere. Currently a professor at the University of Wyoming School of Computing, we discuss how he became involved with geospatial technology. We also address his drone lidar venture, Mad Nadir Mapping.

McKim & Creed is an engineering and surveying firm with 24 offices in the southeastern US. In this episode, Matt LaLuzerne, National Director of BD & Geospatial Services, and Ravi Soneja, UAS Program Manager, talk about their careers and why they joined McKim & Creed. We discuss the firm's characteristics, capabilities and approach to project management. The conversation broadens to consider the evolution of the industry and how it has been influenced by the high cost of sensors mounted in crewed aircraft and the arrival of highly performant UAV-photogrammetry and UAV-lidar systems.

In this episode, Dr. Austin Madson interviews Chris Crosby, the co-principal investigator and director of operations and strategy for the OpenTopography project. OpenTopography facilitates efficient access to topographic data, tools, and resources to advance our understanding of the Earth's surface, vegetation, and the built environment. Funded by the National Science Foundation, it's arguably the most comprehensive source of topographic data on the internet. During our session, we review the different resources available at OpenTopography.org (and who can/can't access them) as well as the varied landscape of modern topographic data access and management.

The Open Geospatial Consortium (OGC) is perhaps the best-known standards body in the lidar world. In this episode, Chief Standards Officer Scott Simmons describes the organization, its structure and processes. We also discuss lidar, especially OGC's work with the LAS and LAZ lidar data formats and the efforts of its Point Cloud Domain Working Group. Our discussion delves further into OGC's interactions with other standards bodies, such as the International Standards Organisation (ISO) and buildingsSMART International. We close with a review of OGC's changing membership and its future directions.