Advances CMOS image sensors

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The objective of the proposed research is to investigate, design and implement new advanced CMOS image sensors for biomedical and security applications, consisting of highly parallel, mixed analog, and digital very large scale of integration (VLSI) circuitry. In the past, solid state imagers were based on charged coupled devices (CCD). Recently, however, complementary metal oxide semiconductor (CMOS) based active pixel sensors (APS) with outstanding advantages in integration, power, reliability and cost have been developed and implemented in leading edge microelectronics and VLSI circuitry. This has led to the development of a whole new generation of cameras capable of being used inside the body for many hours, such as the pill camera taking images within the gastro-intestinal tract.