A Physics Based Broadband Scene Simulation Tool for CCD Assessment
Abstract
Assessment of Camouflage, Concealment and Deception (CCD) methodologies is a non trivial problem; conventionally the only method has been to carry out field trials, which are both expensive and subject to the vagaries of the weather. In recent years computing power has increased, such that there are now many research programmes using synthetic environments for CCD assessments. Such an approach is attractive; the user has complete control over the environment parameters and many more scenarios can be investigated. The UK Defence Evaluation and Research Agency is currently developing a synthetic scene generation tool for assessing the effectiveness of air vehicle camouflage schemes. The software is sufficiently flexible to allow it to be used in a broader range of applications, including fill CCD assessment. The synthetic scene simulation system (CAMPO-SIM) has been developed, as an extensible system, to provide imagery within the 0.4 - 14 micron spectral band with as high a physical fidelity as possible. It consists of a scene design tool, an image generator, which incorporates both radiosity% and ray- tracing processes, and an experimental trials tool. The scene design tool allows the user to develop a three-dimensional representation of the scenario of interest from a fixed view- point. Target(s) of interest can be placed anywhere within this 3-D representation and may be either static or moving. Different illumination conditions and effects of the atmosphere can be modelled together with directional reflectance effects. The user has complete control over the level of fidelity of the final image. The output from the rendering tool is a sequence of radiance maps which may be used by sensor models, or for experimental trials in which observers carry out target acquisition tasks. The software also maintains an audit trail of all data used to generate a particular image, both in terms of material properties used and the rendering options chosen.
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 01, 2000
- Accession Number
- ADP010555
Entities
People
- Colin Stroud
- D. Filbee
- D. Oxford
- I. R. Moorehead
- M. A. Gilmore
Organizations
- Sam Houston State University