An Antivibration Time-Delay Integration CMOS Image Sensor With Online Deblurring Algorithm

作者：Yu Hang; Qian Xinyuan; Guo Menghan; Chen Shoushun^*

来源：IEEE Transactions on Circuits and Systems for Video Technology, 2016, 26(8): 1544-1554.

DOI：10.1109/TCSVT.2015.2469117

• CMOS image sensor (CIS)
• online deblurring (ODB) algorithm
• remote imaging system
• time delay integration (TDI)

This paper presents an antivibration time-delay integration (TDI) CMOS image sensor (CIS) for small remote imaging systems, introducing a hardware-implemented online deblurring (ODB) algorithm to address the image blur problems caused by vibrations. The proposed sensor has eight TDI stages, column-parallel TDI accumulating and ODB circuits. A 256x8-pixel prototype chip was fabricated using a 0.18-mu m CIS technology with a pixel footprint of 6.5 mu m x 6.5 mu m and a fill factor of 28%. Measurement results show that the sensor can achieve dynamic ranges of 45.1 and 51.8 dB, respectively, with and without enabling the ODB algorithm. Compared with a single-stage line scanner imager, it offers an improvement in signal-to-noise ratios of 1.9 and 8.6 dB, respectively, with and without the ODB algorithm.

• 出版日期2016-8
• 单位南阳理工学院