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Monolithic CIS AF module design and its application in the monitoring system of

Author: GaoJianChun
Tutor: LiBinQiao
School: Tianjin University
Course: Microelectronics and Solid State Electronics
Keywords: Auto Focus CMOS image sensor CIS -chip integration Quick Fix Laplacian Network Monitoring
CLC: TP277
Type: Master's thesis
Year: 2009
Downloads: 12
Quote: 0
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Abstract


This study includes a monolithic CIS based autofocus algorithm research and implementation, as well as auto-focus function network monitoring system design and implementation . Compared with the conventional CCD , CIS with system integration , low power, low cost , etc., has been in the consumer electronics equipment is widely available , and gradually enter the high-end applications, such as security monitoring, industrial monitoring and aerospace . In recent years, network digital video surveillance is an emerging monitoring methods, and in many areas has played a significant role . The use of the CIS Web monolithic autofocus digital surveillance system will further improve the accuracy of image transmission and monitoring system performance , and thus more and more people 's attention. CIS design combined with the existing research results , this paper first CIS for single autofocus camera module to conduct research , complete the main work includes : the existing four categories of 30 kinds of auto-focus clarity evaluation system operator for verification and evaluation, which summed up the advantages and disadvantages of various types of operator and filter out suitable for hardware implementation definition evaluation operator ; correction for screening large computation Laplacian shortcomings , an improved article shaped sampling window of SSML operator and compared with the original operator verification ; chip autofocus module hardware design and verification of its experimental results show that the high precision autofocus module focus , focus speed, low resource consumption , real-time performance in full compliance with the requirements of the original design . CIS in -depth study of this work , the network camera features functional requirements and data transfer on the basis of in-depth study of the use of monolithic autofocus CIS network monitoring system architecture to achieve , mainly to complete the work include: network monitoring system consists of principle study , chip autofocus module network monitoring system application , network monitoring camera system prototype architecture for the auto-focus function network monitoring camera system verification . Validation results show that the system has a stable , reliable, fast focusing , image transmission characteristics of high quality , fully meet the various occasions on the image for remote network monitoring requirements for the next product design has laid a good foundation.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Monitoring, alarm,fault diagnosis system
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