A CMOS Digital Image Sensor with a Feature-Driven Attention Module


The KIPS Transactions:PartB , Vol. 15, No. 3, pp. 189-196, Jun. 2008
10.3745/KIPSTB.2008.15.3.189,   PDF Download:

Abstract

In this paper, a CMOS digital image sensor, which consists of A/D conversion, motion estimation circuits, and an attention module for ROI (Region of Interest) detection is presented. The functions of A/D conversion and motion estimation are implemented by 0.6 μm CMOS processing circuit as hardware, and the attention module is implemented outside the circuit as software currently. Attention modules are taken to improve limited applications of the smart image sensor. The current smart image sensor responses to the changes of intensity, and uses the integration time to estimate motion. Therefore it is limited in its applications. To make up for inherent property of the sensor from circuit design and extend its applications we decide to introduce perception solutions to the image sensor. Attention modules for still and moving images are employed to achieve such purposes. The suggested approach makes the smart image sensor available with additional functions for such cases that motion estimation or intensity changes are not observed. Experimental result shows the usefulness and extension of the image sensor.


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Cite this article
[IEEE Style]
M. C. Park and K. J. Cheoi, "A CMOS Digital Image Sensor with a Feature-Driven Attention Module," The KIPS Transactions:PartB , vol. 15, no. 3, pp. 189-196, 2008. DOI: 10.3745/KIPSTB.2008.15.3.189.

[ACM Style]
Min Chul Park and Kyung Joo Cheoi. 2008. A CMOS Digital Image Sensor with a Feature-Driven Attention Module. The KIPS Transactions:PartB , 15, 3, (2008), 189-196. DOI: 10.3745/KIPSTB.2008.15.3.189.