【摘要】：隨著掃描儀在生活中使用的普及，人們對掃描結(jié)果的要求也在不斷提高，能否真實的還原色彩是掃描效果好壞的重要評價標(biāo)準(zhǔn)。目前掃描儀顏色校正主要是應(yīng)用Visual Studio, Matlab等工具，通過掃描值和目標(biāo)值進(jìn)行曲線擬合，從而生成相應(yīng)的顏色校正表。但是當(dāng)擬合效果不理想時需要反復(fù)修改擬合參數(shù)進(jìn)行調(diào)整，過程較為繁瑣，而且工作人員得到反饋的周期長，影響工作效率。因此開發(fā)一款掃描儀顏色校正軟件，使其自動校正掃描顏色，同時使得掃描儀調(diào)試工作人員能夠在可視化的界面下立即觀察到校正效果，具有重要的意義。 通過分析基于GL847掃描儀的工作流程以及掃描儀顏色校正的原理和方法，本文對掃描儀顏色校正軟件做了詳細(xì)的需求分析和用例分析，劃分軟件結(jié)構(gòu)和設(shè)計用戶界面。將軟件主要劃分為圖像讀取與顯示模塊、顏色查找表生成模塊和圖像顏色調(diào)整模塊。在圖像讀取與顯示模塊中本文應(yīng)用雙緩存技術(shù)，主要利用它來避免界面閃爍的問題；在顏色查找表生成模塊中本文利用直方圖規(guī)定化的方法來自動生成顏色查找表；最后在圖像顏色調(diào)整模塊中通過使用多種圖像調(diào)整算法讓用戶能對校正效果進(jìn)行進(jìn)一步調(diào)整。整個軟件基于MFC框架開發(fā)，采用了MVC模式，在設(shè)計與開發(fā)過程中根據(jù)面向?qū)ο笏枷氤浞挚紤]了代碼的復(fù)用與功能的擴(kuò)展，使軟件具有更好的復(fù)用性與擴(kuò)展性。 實驗表明，本文設(shè)計的軟件具有良好的可維護(hù)性和擴(kuò)展性，為掃描儀調(diào)試人員提供了方便的、可視化的操作界面，通過軟件的自動校正功能和顏色調(diào)整使掃描顏色更準(zhǔn)確，，達(dá)到了預(yù)期效果。
[Abstract]:With the popularization of scanners in daily life, the demand for scanning results is also increasing. Whether the color can be truly restored is an important criterion for evaluating the quality of scanning results. At present, the color correction of scanner is mainly by using Visual Studio, Matlab and other tools, through the curve fitting between scanning value and target value, the corresponding color correction table is generated. However, when the fitting effect is not satisfactory, the fitting parameters need to be modified and adjusted repeatedly, the process is more complicated, and the staff get the long period of feedback, which affects the work efficiency. Therefore, it is of great significance to develop a scanner color correction software that can automatically correct the scanning color and enable the scanner debugging staff to observe the correction effect immediately under the visual interface. By analyzing the workflow based on GL847 scanner and the principle and method of scanner color correction, this paper makes a detailed requirement analysis and use case analysis to the scanner color correction software, divides the software structure and designs the user interface. The software is mainly divided into image reading and display module, color lookup table generation module and image color adjustment module. In the image reading and display module, this paper applies double buffer technology, mainly uses it to avoid the problem of interface flicker, in the color lookup table generation module, this paper uses the histogram specification method to automatically generate the color lookup table. Finally, a variety of image adjustment algorithms are used in the image color adjustment module to enable the user to further adjust the correction effect. The whole software is based on MFC framework and adopts MVC mode. In the process of design and development, the reuse of code and the extension of function are fully considered according to the idea of object oriented, so that the software has better reusability and extensibility. Experiments show that the software designed in this paper has good maintainability and expansibility, and provides a convenient and visual operating interface for scanner debugging personnel. The scanning color is more accurate through the automatic correction function and color adjustment of the software. The expected effect has been achieved.
【學(xué)位授予單位】：西安電子科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：TP391.41;TP334.22

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