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A Study and Development of New Type Rugged Printer’s Output Technology

Author: WangMinWei
Tutor: ChenQiChang
School: Xi'an University of Electronic Science and Technology
Course: Mechanical and Electronic Engineering
Keywords: Thermal Printing Digital Halftoning Technology Multitoning Technology
CLC: TP334
Type: Master's thesis
Year: 2001
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Abstract


In this paper, the multitoning technology is analyzed and studied in detail to improve the image quality of thermal printers. Compared with the traditional digital halftoning technology, the multitoning technology can deal with more gray levels, so it can improve the gray resolution of printer devices and produce finer images than traditional halftoning technology does. Firstly, the work principle of the thermal printer is analyzed , and the idea that the multi-level gray output can be realized in thermal printer is proposed. Secondly, based on the study of the digital halftoning technology, this paper put forward the multitoning technology to improve the output image quality. Finally, multi-level error diffusion algorithm, multi-level multi-scale error diffusion algorithm, multi-level error diffusion algorithm based on Neural Networks and edge enhancement multi-level error diffusion algorithm are discussed, which can make output images finer and the tone more continuous.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Electronic digital computer (not a continuous role in computer ) > External device
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