A Digital Approach to Photographic Image Quality Evaluation

摘要

The report describes a research program concerned with the investigation of digital techniques for image quality evaluation. The quality of an image here is taken to mean its interpretability. A sample of reconnaissance imagery was digitized and then analyzed by digital computer to generate measurements of certain physical characteristics of each picture in the sample. A clustering technique was used to determine decision spaces based upon these measurements. The quality of any new test image then would be determined by assigning it to the quality category associated with the cluster having the nearest center of mass. The ideas discussed appear to have some potential value for further investigation. (Author)