FOURIER TECHNIQUES FOR OPTIMIZING SYMBOL HIGHWAY SIGN LEGIBILITY
Both the logic underlying the recursive blur technique for optimizing the legibility of symbol signs and the computer algorithms for implementing the technique are based upon 2-dimensional (2D) Fourier analysis. The use of 2D-Fourier analysis for the description of complex spatial structures (such as highway signs) is introduced here. This framework is then extended to present how 2D-Fourier techniques can be used to "filter-out" specific structural components from a sign stimulus and how this filtering approach has been employed to engineer highway signs with improved legibility.
Institute of Transportation Engineers (ITE)Washington, DC United States
- Schieber, F
- 1995 Compendium of Technical Papers. Institute of Transportation Engineers 65th Annual Meeting.
- Location: Denver, CO
- Date: 1995-8-5 to 1995-8-8
- Publication Date: 1995-8
- Features: Figures; References;
- Pagination: p. 601-604
- TRT Terms: Fourier analysis; Legibility; Signs; Symbols; Traffic signs
- Subject Areas: Highways; Operations and Traffic Management; I73: Traffic Control;
- Accession Number: 00713845
- Record Type: Publication
- Files: TRIS
- Created Date: Nov 3 1995 12:00AM