Most work on image bandwidth compression in the past was motivated by broadcast television and videophone applications, where the reconstructed images are judged according to their aesthetic quality. Recently, applications have emerged where the reconstructed images are viewed by trained observers for information extraction. One such application is the storage and transmission of aerial reconnaissance photographs. In this paper the authors report on several considerations involved in the evaluation by photointerpreters of bandwidth compression techniques, including various types of transform coding and a new coding method developed at Purdue called Block Truncation Coding. Subjective rankings and objective measures are compared, and the effects of channel errors are considered.
|Original language||English (US)|
|Number of pages||14|
|Journal||Proceedings of the SID|
|State||Published - Jan 1 1980|
ASJC Scopus subject areas