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The Design of Top Layer Software System and Research on Geometric Distortion Rectification for Photogrammetric Scanner

Author: ChenZuoGuang
Tutor: TianYuMin
School: Xi'an University of Electronic Science and Technology
Course: Computer System Architecture
Keywords: Aerial photo scanner TWAIN standard Upper software system Geometric distortion correction Sub-pixel positioning
CLC: TP391.41
Type: Master's thesis
Year: 2007
Downloads: 89
Quote: 1
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Abstract


Aerial photo scanner is a high-precision image scanning input devices , mainly for the all-digital photogrammetry , remote sensing , geographic information systems require high precision aerial photos digitized image field , image mapping departments must scan the input device . Of great significance at this stage , the development of high-quality aerial photo scanner and its supporting the upper software system for the user to operate the scanner provides the interface and the interface plays an important role in the development of scanners . The purpose of this article is to research and development of a reliable , practical and high performance upper aerial photo scanner software system . The paper briefly describes the structure and working principle of the aerial photo scanner and the upper software system design principles, followed by the upper software system design based on the TWAIN standard . Then discusses in detail the concrete realization of the upper-layer software systems , including the TWAIN standard implementation , the realization of the user interface and help documentation to achieve . Finally, for the subject requirements , analysis of aerial photo scanner CCD lens distortion principle to study the geometric distortion correction method .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Pattern Recognition and devices > Image recognition device
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