Low-light-level CMOS Image Sensor Technique

Compared to other low-light-level image sensors,the CMOS image sensor has the cost,power and size advantages.Currently the performance of the low-light-level CMOS image sensor does not satisfy the night-vision application requirements due to relatively low sensitivity.Several techniques to increase the sensitivity of the low-light-level CMOS image sensor are introduced in this paper.The state-of-the-art designs are reviewed and their performance is close to EMCCD sensor.With the development of the CMOS technology and the further research on low-light-level CMOS image sensors,the CMOS image sensor is potentially a major player in the solid-state low-light-level image sensor market.