Global shutter CMOS image sensor with wide dynamic range

被引：17
|
作者：
Belenky, Alexander [1 ]
Fish, Alexander [2 ]
Spivak, Arthur [1 ]
Yadid-Pecht, Orly [1 ]
机构：
[1] VLSI Syst Ctr, IL-84105 Beer Sheva, Israel
[2] Univ Calgary, Dept Elect & Comp Engn, Calgary, AB T2N 1N4, Canada
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2007年 / 54卷 / 12期
关键词：
active pixel sensor (APS); global shutter imager; wide dynamic range (WDR);
D O I：
10.1109/TCSII.2007.908902
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel concept for global shutter CMOS image sensors with wide dynamic range (WDR) implementation is presented. The proposed imager is based on the multisampling WDR approach and it allows an efficient global shutter pixel implementation achieving small pixel size and high fill factor. The proposed imager provides wide DR by applying adaptive exposure time to each pixel, according to the local illumination intensity level. Two pixel configurations, employing different kinds of a 1-bit in-pixel memory were implemented. An imager, including two different pixels was designed and simulated in 0.18-mu m CMOS technology. System architecture and operation are discussed and simulation results are presented.
引用
收藏
页码：1032 / 1036
页数：5
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