Last Edited: Thu Jun 15 20:45:16 1995 by jnw (Joseph N. Wilson) on aviator.cis.ufl.edu

Image Algebra C++ Library (iac++)

Scope

The image algebra C++ library (iac++) implemented as part of the University of Florida Image Algebra Project provides a library of C++ classes supportive of development of image processing and computer vision application programs. The design and implementation team has included the following UF workers (listed in order of effort):

Work on image algebra has been supported by the U.S. Air Force and ARPA. One of the primary goals of the U.S. Air Force has been that image algebra should be suited to the specification of the kinds of image processing and computer vision algorithms employed in real-time guidance, targeting, and control systems. Thus, an important design criterion of the iac++ library has been that programs developed using iac++ must be efficient for use on embedded computer systems and must provide those capabilities that are necessary to support the kinds of image processing and computer vision capabilities employed by current state-of-the-art guidance, targeting, and control algorithm.

Approach

Our Approach in desigining and developing the iac++ class library has been to provide

A small number of different kinds of classes corresponding to the common operands of image algebra.
Appropriate operations on and between objects of each of the kinds of classes.
Important ancillary functions to manipulate objects of each of the kinds of classes.

In addition we have attempted to design the library in such a way that

Only those responsibilities that absolutely must be taken on by classes are imposed upon them.
Underlying representation of most objects is abstract. This allows the library to be expanded to support new (possibly more efficient) representations to be provided.

We have had to balance these last two design criteria against the need for efficient operation to support embedded code. Thus in some cases we have provided non-abstract representations (e.g. for the representation of points of n-D Cartesian product spaces). In those cases where it is most likely that a special representation scheme could yield a significant benefit to the programmer, however, we have provided abstract representations (such as in image classes and set classes).

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