SPECTRAL CHARACTERISTICS AND MOTION-COMPENSATED RESTORATION OF COMPOSITE FRAMES

The practice of superimposing the fields of a frame is applied in vari ous fields, for example, thermographic and biomedical imaging. The pic tures obtained in this way, which are termed composite frames, are sev erely degraded if the scene's objects are not perfectly still. The res toration of composite frames affected by motion-induced blurring requi res the ability to estimate the field displacement from composite fram es. The frequency domain analysis of composite frames proposed in this work suggests a displacement estimation technique of a phase-correlat ion type that can be applied to composite frames.