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research article

Compressive Image Acquisition in Modern CMOS IC Design

Katic, Nikola  
•
Hosseini Kamal, Mahdad  
•
Schmid, Alexandre  
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2013
International Journal of Circuit Theory and Applications

Compressive Sampling (CS) offers bandwidth, power and memory size reduction compared to conventional (Nyquist) sampling. However, very few Integrated Circuit (IC) designs based on CS exist due to the missing link between the well-established CS theory on one side, and the practical aspects/effects related to physical IC design on the other side. This paper focuses on the application of compressed image acquisition in CMOS image sensor integrated circuit design. A new CS scheme is proposed which is suited for hardware implementation in CMOS IC design. All the main physical non-idealities are explained and carefully modeled. Their influences on the acquired image quality are analyzed in the general case and quantifed for the case of the proposed CS scheme. The presented methodology can also be used for different CS schemes and as a general guideline in future CS based CMOS image sensor designs.

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