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Design and Implementation of Multi-CCD Scanner Data Collection System Based on VxWorks

Author: ZhangGeng
Tutor: CaoBoYan
School: Xi'an University of Electronic Science and Technology
Course: Computer System Architecture
Keywords: VxWorks Multi-CCD Data acquisition Network Communications
CLC: TP274.2
Type: Master's thesis
Year: 2008
Downloads: 102
Quote: 8
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Abstract


The large format engineering scanning device is designed for special user needs , typically has a large format, digital difficulties . It is mainly used for military , surveying, construction and other special areas of engineering drawings digitized . Multi - CCD technology research and application , it is particularly important due to the limited range of imaging single CCD optical path . Multi- the CCD helps improve scan format , and at the same time improve scanning accuracy and scanning speed . CCD scanner equipment , the subject is the object of study , through the analysis of the structure of traditional multi- CCD presents a VxWorks-based double-layer multi- CCD data acquisition structure , between multiple the CCD control the chip with PC layer embedded control system , cleverly work in parallel between the multi-CCD , level of dislocation image stitching reduction , image storage and transmission of data , images and other issues . The two - tier data acquisition structure to achieve a real multi-channel CCD parallel scan , parallel data reads , and fundamentally improve the scanning speed . Detail the concrete implementation of the double-layer multi-CCD data acquisition structure design thinking , process and software , and the level of multi-CCD image dislocation problem discussed , given the structure of a two-layer multi-CCD image level of dislocation processing method . Finally, practice methods to verify the feasibility and correctness of the two - tier data acquisition systems .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Data processing, data processing system > Data collection and processing systems
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