Text ( visual ) : unmediated Sensors, systems, and next-generation satellites II : 21-24 September 1998, Barcelona, Spain / Hiroyuki Fujisada, chair/editor ; sponsored by CNR--National Research Council of Italy...[et. -- Bellingham, Wash., USA : SPIE--The International Society for Optical Engineering , c1998. -- ix, 510 p. : ill. ; 28 cm. -- (Proceedings / SPIE -- the International Society for Optical Engineering ; v. 3498 ; Proceedings EurOpt series). -- Includes bibliographical references and index. -- ISBN 0819429570 ; (BA41603725) ; https://ci.nii.ac.jp/ncid/BA41603725 Author Heading(s): 藤定, 広幸 ; Society of Photo-optical Instrumentation Engineers. -- Classification(s): LCC : TL796 ; DC21 : 550/.28. -- Subject Heading(s): LCSH : Earth Observing System (Program) -- Congresses ; LCSH : Artificial satellites in remote sensing -- Congresses ; LCSH : Artificial satellites -- Control systems -- Congresses ; LCSH : Remote sensing -- Congresses