SoC design of an Auto-Focus driving Image Signal Processor for mobile camera applications

Sung Min Sohn, Sung Hyun Yang, Sang Wook Kim, Kug Hyun Baek, Woo Hyun Paik

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

This paper presents a camera System on a Chip 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.

Original languageEnglish (US)
Pages (from-to)10-16
Number of pages7
JournalIEEE Transactions on Consumer Electronics
Volume52
Issue number1
DOIs
StatePublished - Feb 2006

Bibliographical note

Funding Information:
1This work was supported in part by the LG Innotek, camera module manufacturer. LG Innotek made the 2 mega pixels AF camera module using AF_ISP which is the smallest module size in the world (to date, Nov. 2005).

Keywords

  • AF lens driver
  • Auto Focus (AF)
  • Camera system
  • Image Signal Processor (ISP)
  • Voice Coil Motor (VCM)

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