March 23-25, 2020 | Walter E. Washington Convention Center | Washington, DC

2020 ASPRS Workshops

RIEGL

The American Society for Photogrammetry and Remote Sensing (ASPRS) will be hosting the following workshops at Geo Week 2020. These workshops require additional registration to attend. For questions regarding the content that will be addressed within specific workshops, please contact ASPRS directly at Programs@asprs.org

Monday, March 23 - Morning Workshops

UAS Lidar for Precision Mapping

Instructor: Mohamed Mostafa

Date: Monday, March 23, 2020
Time: 8:00 am -12:15 pm
Cost: $225
Location: TBA

Professional grade lidar systems are currently being used onboard unmanned aerial systems for high precision mapping applications. This workshop is intended for the unmanned airborne lidar user community including mapping professionals, land surveyors, managers, and decision makers to understand the underlying concepts of lidar from the technical and business perspective, in the form of theory and practice, using real data sets from around the world.

Fundamentals of Image Analysis in Google Earth Engine

Instructor: Ge (Jeff) Pu

Date: Monday, March 23, 2020
Time: 8:00 am -12:15 pm
Cost: $225
Location: TBA

Cloud-based image processing platforms like the Google Earth Engine (GEE) bring unprecedented possibilities for education, research, and outreach. This workshop will focus on an interactive exploration of GEE capabilities, the repository of all of publicly available aerial and satellite data, and user upload of imagery for analysis. The workshop will begin with a presentation of examples of GEE projects with a focus on education, undergraduate research, and outreach followed by hands-activities.

Preparation for ASPRS Certification - Lidar

Instructor: Karen Schuckman, Penn State University

Date: Monday, March 23, 2020
Time: 8:00 am -12:15 pm
Cost: $225
Location: TBA

This workshop provides an in-depth review of content contained in the ASPRS Airborne Topographic Lidar Manual. It is valuable for those planning to take the examination for ASPRS Certified Mapping Scientist-Lidar, Certified Technologist-Lidar, or Intern. Workshop participants will answer practice questions and discuss answers in an interactive session. The workshop is also valuable for practitioners wishing to further their mastery of the theory and practice of topographic mapping with lidar.

Practical Approach to Using the ASPRS Positional Accuracy Standards for Digital Geospatial Data

Instructors:
Qassim A Abdullah, Woolpert, Inc.

Date: Monday, March 23, 2020
Time: 8:00 am -12:15 pm
Cost: $225
Location: TBA

This workshop provides an in-depth look at the ASPRS Positional Accuracy Standards to categorize positional accuracy of products derived from digital aerial cameras, manned and unmanned aerial systems, and all types of lidar including terrestrial, mobile, and airborne. The workshop will explain the basis for each accuracy measure adopted in the standards. Instructors will demonstrate practical application of these standards. Attendees will apply these standards to real-world examples.

Object Based Image Analysis Made Easy and Flexible

Instructor: Keith Peterson

Date: Monday, March 23, 2020
Time: 8:00 am -10:00 am
Cost: $150
Location: TBA

This workshop will provide an informative introduction to the fundamental concepts and technologies in object-based image analysis and its combination with computer vision methods, machine-learning and pixel-based operations. Attendees will use eCognition Developer to employ a comprehensive range of analysis tools utilizing diverse data sources, from medium to high resolution satellite data, very high resolution aerial and UAV imagery, GIS, lidar, radar, and even hyperspectral data.

Best Practices for Managing, Editing, Visualizing, and Sharing Lidar in 2D and 3D

Instructor: Nicholas Giner

Date: Monday, March 23, 2020
Time: 8:00 am -10:00 am
Cost: $150
Location: TBA

Although lidar data has been collected and processed for over 20 years, the global lidar market continues to rapidly expand as demand for 3D imagery in consumer, commercial, and government applicatioincreases. Federal, state, and local government agencies are acquiring lidar data for use in applications such as floodplain mapping, urban planning and design, resource and environmental management, law enforcement, natural resource exploration, archeology, and emergency response. This session will teach best practices for working with Light Detection and Ranging (lidar) data . Attendees of this session will learn lidar basics and fundamentals, as well as the best practices for managing, editing, visualizing, and sharing it in 2D and 3D. Attendees will also learn several workflows for deriving useful information products from lidar data, as well as performing 2D and 3D analysis on lidar-derived products.

Digital Aerial Triangulation using Imagery from Multi-Head Systems

Instructors: Mohsen Miri

Date: Monday, March 23, 2020
Time: 10:15 am -12:15 pm
Cost: $150
Location: TBA

Current aerial mapping technologies lead to capturing a large number of images, not only at nadir but also in oblique viewing directions. The number and variety of multi-head oblique platforms available on the market is continuously growing. This workshop presents a stable and simplified workflow for the complex multi-head imagery for higher production efficiencies. This workshop will explore the workflow and the matching strategies for such systems using Trimble INPHO MATCH-AT software.

Using USGS/ASPRS Data Quality Measure (DM) Software for Validation of Airborne Lidar Point Clouds

Instructors: Barry Miller

Date: Monday, March 23, 2020
Time: 10:15 am -12:15 pm
Cost: $150
Location: TBA

This workshop provides an in-depth look at the USGS/ASPRS Data Quality Measure (DQM) software. DQM provides an ability to determine the relative accuracy, or geometric quality, of overlapping swaths of lidar point clouds using a point-to-plane measurement technique. DQM calculates vertical and horizontal differences between swaths in a point cloud tile, which allows better analysis of the quality of a lidar project. Attendees will see a demonstration on how to use the tool and interpret the results with several real-world examples. The workshop will also show how to obtain the software, which is a government-furnished freeware for public use.

Monday, March 23 – Afternoon Workshops

Total Propagated Uncertainty (TPU) and Absolute Accuracy Assessment of 3D Lidar Point Cloud

Instructor: Minsu Kim

Date: Monday, March 23, 2020
Time: 1:00 pm – 5:15 pm
Cost: $225
Location: TBA

Total Propagated Uncertainty (TPU) is the statistical estimate of lidar positional uncertainty for each lidar point. Theoretical details of the TPU and its application to the airborne lidar data will be presented. Assessment of the 3D absolute accuracy of the lidar point cloud is an important priority in USGS 3DEP program. TPU is an important factor that affects the absolute accuracy of the lidar point cloud data. Techniques for the 3D absolute accuracy assessment using various geometric features and its inherent relationship with TPU will be discussed in the workshop.

Machine and Deep Learning Image Classification

Instructors: Amr Abd-Elrahman

Date: Monday, March 23, 2020
Time: 1:00 pm – 5:15 pm
Cost: $225
Location: TBA

This workshop teaches participants how to (1) conduct pixel- and object-based image classification using traditional (Support Vector Machine and Random Forests) machine learning algorithms; (2) build models for data preparation and experiment with different classification parameters; (3) use the deeplab deep learning architecture for image segmentation (classification). Participants will be briefly introduced to necessary theoretical background information as well as practical implementation using ArcGIS Pro. Real world examples of wetland land cover classification will be used in the demonstration.

Preparation for ASPRS Certification - General Knowledge

Instructor: Robert Burtch

Date: Monday, March 23, 2020
Time: 1:00 pm – 5:15 pm
Cost: $225
Location: TBA

This workshop covers the common knowledge areas comprising a large portion of exam content for ASPRS Certification. It is valuable preparation for those who have never taken an ASPRS exam, as well as for those who have expertise in a particular specialty, such as lidar or UAS, but feel less prepared for the general knowledge component of the exam. This workshop will also explain the certification application process and the importance of certification in career development.

Aerial Triangulation and Data Processing for the Unmanned Aerial System (UAS)

Instructors: Qassim A Abdullah

Date: Monday, March 23, 2020
Time: 1:00 pm – 5:15 pm
Cost: $225
Location: TBA

This workshop teaches participants to successfully design, plan and execute an aerial mission using unmanned aerial systems (UAS) and GPS-based aerial triangulation, including flight planning, ground control placement, camera calibration, and product generation. Participants will be introduced to mathematical basis of simultaneous bundle block adjustment. Practical examples will be presented.

Combining Deep Learning with Object Based Image Analysis (OBIA)

Instructor: Keith Peterson

Date: Monday, March 23, 2020
Time: 1:00 pm – 3:00 pm
Cost: $150
Location: TBA

Recently, deep learning (DL) has become the fastest-growing trend in data analysis and has been widely and successfully applied to various feature extraction tasks. In the context of remote sensing the combination of DL with OBIA (object based image analysis) offers the flexibility to select the optimal working method inside the complete feature extraction workflow. This workshop will explore the accelerated usage of deep learning with object based image analysis using Trimble eCognition Developer software.

Spreadsheet Demonstration of Analytical Photogrammetry

Instructor: Paul Pope

Date: Monday, March 23, 2020
Time: 1:00 pm – 3:00 pm
Cost: $150
Location: TBA

Photogrammetry is often explained by describing the collinearity condition and showing examples of final products. The intermediate steps are rarely illustrated in detail. This workshop aims to make analytical photogrammetry accessible to the layperson by using spreadsheet calculations to 1) solve for the exterior orientation parameters of a framing camera, and 2) determine the dimensions of an object using stereo imagery.

Streamlined Photorealistic Textured Mesh and True Orthophoto Generation from Aerial Imagery

Instructors: Thomas Widmer

Date: Monday, March 23, 2020
Time: 3:15 pm – 5:15 pm
Cost: $150
Location: TBA

Highly accurate 3D meshes provide virtual navigation of real-world environments in desktop and web platforms. These products are used in city modeling, construction and simulation purposes. Modeling of 3D surfaces with sharp edges and high quality textured meshes can be performed in a modern and precise methods. These meshes can be used to produce true orthophotos, simplifying planimetric mapping and the overlay of other GIS data, especially in urban mapping applications. This workshop will explore the methods used to create these products using Trimble INPHO MATCH-3DX software.

Generic Sensor Models for Photogrammetric Applications

Instructor: Henry Theiss

Date: Monday, March 23, 2020
Time: 3:15 pm – 5:15 pm
Cost: $150
Location: TBA

The workshop conveys the importance of rigorous sensor modeling, data adjustment, and covariance propagation in meeting the absolute geolocation, relative mensuration, and multi-sensor fusion objectives of the end-user. It proceeds with an overview of the Community Sensor Model (CSM) Application Programming Interface (API) which facilitates integration of multi-modality imagery and point-cloud products into geospatial exploitation tools. It provides an overview of generic sensor models for frame-sequences, linear-array scanners, SAR, and lidar.

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