Using liquid lenses to extend the operating range of a remote gaze tracking system
SMC'09 Proceedings of the 2009 IEEE international conference on Systems, Man and Cybernetics
An autofocus sensor with global shutter using offset-free frame memory
IEEE Transactions on Circuits and Systems II: Express Briefs
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This paper presents a camera system on a chip (SoC) solution to capture focused images for mobile camera phones. In this work, the image signal processor (ISP) includes both a built-in auto focus (AF) control block and AF lens driver to fully implement AF with fast and accurate performance. Additionally, AF lens module has been formed by voice coil motor (VCM) type for compact size. The proposed ISP with AF lens driver, AF_ISP, can meet constraints such as small size, low cost, and low power consumption for mobile camera applications.