(19)
(11) EP 3 001 670 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 A2)

(48) Corrigendum issued on:
12.07.2017 Bulletin 2017/28

(88) Date of publication A3:
06.04.2016 Bulletin 2016/14

(43) Date of publication:
30.03.2016 Bulletin 2016/13

(21) Application number: 15177916.2

(22) Date of filing: 10.04.2002
(51) International Patent Classification (IPC): 
H04N 5/217(2011.01)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

(30) Priority: 25.04.2001 US 842553

(62) Application number of the earlier application in accordance with Art. 76 EPC:
02725602.3 / 1382194

(71) Applicant: Tarsium B.V.
1097 JB Amsterdam (NL)

(72) Inventor:
  • BAER, Richard L.
    LOS ALTOS, CA California CA 94024 (US)

(74) Representative: EP&C 
P.O. Box 3241
2280 GE Rijswijk
2280 GE Rijswijk (NL)

 
Remarks:
This application was filed on 22-07-2015 as a divisional application to the application mentioned under INID code 62.
 


(54) EFFICIENT DARK CURRENT SUBTRACTION IN AN IMAGE SENSOR


(57) A method for dark current subtraction which enables a dark frame to be reused for dark current subtraction for multiple image frames. The dark frame is reused by scaling it according to changes in the dark current levels associated with the dark frame and the image frames.