METHOD AND APPARATUS FOR CONTRAST EQUALIZATION OF AN X-RAY IMAGE

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EP 0 348 433 A1

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(43)	Date of publication:
	03.01.1990 Bulletin 1990/01

(21)	Application number: 88903228.0

(22)	Date of filing: 28.03.1988

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International Patent Classification (IPC):

A61B 6/ 00^{( . )}
G21K 1/ 04^{( . )}
H05G 1/ 36^{( . )}
H05G 1/ 64^{( . )}

A61B 6/ 06^{( . )}
G21K 1/ 10^{( . )}
H05G 1/ 60^{( . )}

(86)	International application number:
	PCT/EP1988/000274

(87)	International publication number:
	WO 1988/007807 (06.10.1988 Gazette 1988/22)

(84)	Designated Contracting States:
	DE FR GB IT NL

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Priority:

02.04.1987 NL 19870000781

(71)	Applicant: N.V. Optische Industrie "De Oude Delft"
	NL-2612 XE Delft (NL)

(72)	Inventor:
	VLASBLOEM, Hugo NL-3155 AB Maasland (NL)

(74)	Representative: van der Burg, Louis
	b.v. Optische Industrie De Oude Delft Van Miereveltlaan 9 NL-2612 XE Delft NL-2612 XE Delft (NL)

(54)	METHOD AND APPARATUS FOR CONTRAST EQUALIZATION OF AN X-RAY IMAGE