| Title | Automatic Data Reduction from Aerial Photographs - Phase 1 Report |
|---|---|
| Record ID | 50117 |
| Personal Name Creator |
Raudseps, Juris G.; Prerau, David S. |
| Source | 119p. |
| Corporate Creator | John A. Volpe National Transportation Systems Center (U.S.) |
| Corporate Contributor |
United States. Federal Highway Administration |
| Publisher | United States. Federal Highway Administration |
| Publication Date | 19710815 |
| Language | English |
| Abstract | Aerial photographs are useful in various studies of highway traffic behavior. From a timed sequence of aerial photographs of a fixed highway area, one can find for each vehicle crossing the area data on position, velocity, trajectory (i.e., entrancing, lane changing, and exiting) and type (i.e., car, truck, or bus). In this project, an interactive system consisting of a computer, computer-controlled flying spot scanner, and a graphics tablet is utilized to significantly automate the data reduction process. This report describes the state-of-the-art of data reduction and the system being developed. The pertinent computer programs developed to date are documented in detail. |
| Rosap ID | dot:11514 |
| Rosap URL | https://rosap.ntl.bts.gov/view/dot/11514 |
| TRT Terms | Traffic; Aerial photography; Data collection; Information processing; Aerial surveying; Computer programs |
| Classification | NTL - OPERATIONS AND TRAFFIC CONTROLS - Traffic Flow; NTL - HIGHWAY/ROAD TRANSPORTATION - HIGHWAY/ROAD TRANSPORTATION |
| Geographical Coverage |
United States |
| Contract Number | R-1016 |
| Report Number | DOT-TSC-FHWA-71-01; PB-204 810 |
| Resource type | Tech Report |
| URL | https://ntlrepository.blob.core.windows.net/lib/50000/50100/50117/DOT-TSC-FHWA-71-1.pdf |
| Format | |
| Database | NTL Digital Repository |