Journal of the Korea Society of Computer and Information (한국컴퓨터정보학회논문지)

Korean Society of Computer Information (한국컴퓨터정보학회)
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EPD File Generation System Based on Template for Choosing E-paper Contents Layout

  • Son, Bong-Ki (Dept. of Computer Engineering, Seowon University)
  • Received : 2018.10.15
  • Accepted : 2018.11.13
  • Published : 2018.12.31
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Abstract

We propose EPD(Electrophoretic Display) file generation system based on template that enable users to choose contents layout for E-paper display. And also we show implementation results that apply the proposed system in digital doorsign management field adopting E-paper display. Template includes information for contents layout which is composed of standard form image to be used as background image, coordinates of area for dynamic data to be inserted, data source about dynamic data, and characteristic data of EPD panel for displaying contents. System administrator registers templates in Forms Server. When user chooses a contents layout, Forms Server automatically generates EPD file for displaying contents in E-paper by using information of the template and sends EPD file into doorsign. Strength of the proposed system lies in reflecting user preference about contents design and adding personal data into E-paper contents by smartphone application.

Keywords

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Fig. 1. Black and White Charged Particles in Microcapsules

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Fig. 2. Flow of E-paper Contents for Displaying

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Fig. 3. E-paper and Controller

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Fig. 5. System Configuration[11]

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Fig. 6. Architecture of Forms Server[11]

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Fig. 7. Sequence Diagram of Displaying E-paper Contents

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Fig. 8. UI for Generating Template

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Fig. 9. EPD File Creation Process Using Template Information

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Fig. 10. Merging Standard Form and Dynamic Data

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Fig. 11. Example of Header and Image Dat in EPD File

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Fig. 12. Construction Field of Proposed System

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Fig. 13. Contents Layouts of Conference Room Type

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Fig. 14. Created Contents using Template Information

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Fig. 15. Contents adding User Input Data and EPD Display Results

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Fig. 16. Resizing Dynamic Data According to Amount

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Fig. 4. Example of EPD Header

Table 1. Specifications of E-paper and Controller

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Table 2. Configuration of the EPD Header

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Table 3. Configuration of Doorsign Contents in University

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Table 4. Items for Defining Template

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Table 5. Pseudo Code for Extracting Dynamic Data

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Table 6. Pseudo Code for Merging Dynamic Data and Standard Form

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Table 8. EPD File Size of Panel Types

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Table 9. Implementation Environment

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