Research in Progress (RIP) https://rip.trb.org/ en-us Copyright © 2026. National Academy of Sciences. All rights reserved. http://blogs.law.harvard.edu/tech/rss tris-trb@nas.edu (Bill McLeod) tris-trb@nas.edu (Bill McLeod) Research in Progress (RIP) https://rip.trb.org/Images/PageHeader-wTitle-RIP.jpg https://rip.trb.org/ A Photogrammetry-based Method to Determine Chip Seal Aggregate Embedment: A Feasibility Study https://rip.trb.org/View/2627511 Thu, 20 Nov 2025 16:29:52 GMT https://rip.trb.org/View/2627511 Measuring Rebound and Evaluating Pile Resistance During Installation Using Ultra-High Speed/Resolution Photogrammetry https://rip.trb.org/View/2553997 Fri, 16 May 2025 07:26:56 GMT https://rip.trb.org/View/2553997 Failure Surface Identification, Structural Domain Segregation, and Rock Mass Characterization Using Drone-Based Structure from Motion Photogrammetry (UTI-UTC 16) https://rip.trb.org/View/2543411 Wed, 07 May 2025 18:38:59 GMT https://rip.trb.org/View/2543411 Develop Data Collection Requirements and Strategic Research Roadmap to Support the Digital Delivery Program https://rip.trb.org/View/2447029 Wed, 30 Oct 2024 15:06:16 GMT https://rip.trb.org/View/2447029 Photogrammetry and LiDAR-Based Precast Concrete Railroad Crossties Abrasion Damage Detections https://rip.trb.org/View/2314007 Sun, 24 Dec 2023 08:30:43 GMT https://rip.trb.org/View/2314007 Development of a Multi-Camera Based Photogrammetric Method for Improving Three-Dimensional Full-Field Displacement Measurements of Geosynthetics During Tensile Test https://rip.trb.org/View/2289619 Tue, 14 Nov 2023 20:30:39 GMT https://rip.trb.org/View/2289619 System Design for Highly Accurate and Efficient Target Detection in Triaxial Testing https://rip.trb.org/View/2289621 Tue, 14 Nov 2023 20:26:03 GMT https://rip.trb.org/View/2289621 Volumetric Measurement of Salt Piles using Photogrammetry, LiDAR and Depth Cameras https://rip.trb.org/View/2262824 Fri, 06 Oct 2023 13:36:31 GMT https://rip.trb.org/View/2262824 Automated and Contactless Identification of Asphalt Pavement Surface Friction Based on Computer Vision Image-based 3D Reconstruction and Machine Learning Techniques https://rip.trb.org/View/1987459 Wed, 29 Jun 2022 16:31:22 GMT https://rip.trb.org/View/1987459 A Multiple Camera System to Determine the Absolute Volume of Soil Specimens During Dynamic Triaxial Testing (yr 1) https://rip.trb.org/View/1868764 Tue, 27 Jul 2021 18:19:37 GMT https://rip.trb.org/View/1868764 UAV-enabled Structure from Motion Photogrammetry for Bridge Crack Detection and Characterization https://rip.trb.org/View/1868767 Tue, 27 Jul 2021 15:52:39 GMT https://rip.trb.org/View/1868767 SPR-4549: Salt Monitoring and Reporting Technology (SMART): Development of a Photogrammetric System for Salt Inventory Reporting https://rip.trb.org/View/1783588 Tue, 02 Mar 2021 09:25:05 GMT https://rip.trb.org/View/1783588 Mining of Unmanned Aerial System Operations and Data to Improve Emergency Operations during Natural Disasters https://rip.trb.org/View/1751140 Tue, 10 Nov 2020 16:22:42 GMT https://rip.trb.org/View/1751140 Automated Detection of Characterization of Cracks Using Structure-From-Motion Based Photogrammetry: A Feasibility Study https://rip.trb.org/View/1742799 Mon, 05 Oct 2020 17:01:12 GMT https://rip.trb.org/View/1742799 Image-Based 3D Reconstruction of Utah Roadway Assets https://rip.trb.org/View/1687826 Wed, 19 Feb 2020 20:14:13 GMT https://rip.trb.org/View/1687826