A method to increase DR using column-level automatic gain selection

G. Cai, Wei Wang,B. Luyssaert,B. Dierickx,G. Ruttens, B. Uwaerts, Dirk, Uwaerts,J. Basteleus, Jens De Vroe,W. Verbruggen,P. Gao, D. Denvir, Philip Steen,Hendrik Consciencestraat

semanticscholar（2017）

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摘要

Introduction In this paper we present an image sensor with a very high linear dynamic range that is obtained by combining a pixel with using three level transfer gate method and a column-level automatic gain selection. The automatic gain selection (AGS) picks one out of three linear ranges each having a largely different conversion gain. The data rate remains the same as without high dynamic range, thus preserving the maximal frame rate.

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