本文選題：可見光譜 + 打印機(jī)特性化　； 參考：《中國圖象圖形學(xué)報》2014年07期

【摘要】：目的打印輸出技術(shù)是目前國內(nèi)外圖像復(fù)制領(lǐng)域的主流技術(shù)。打印機(jī)特征化旨在建立打印機(jī)輸入控制值與輸出色彩信息值之間的對應(yīng)關(guān)系,保證打印輸出圖像各像素色彩值的準(zhǔn)確性�；诳梢姽庾V的打印機(jī)特性化過程,以圖像光譜信息作為打印機(jī)特性化過程中的色彩控制依據(jù),可避免基于色度的打印輸出過程所固有的同色異譜問題,實現(xiàn)圖像色彩復(fù)制領(lǐng)域最高級別的無條件顏色匹配。在廣泛文獻(xiàn)調(diào)研的基礎(chǔ)上,本文回顧了打印機(jī)光譜特性化方法各部分研究的發(fā)展歷程,分析介紹了該領(lǐng)域主要研究內(nèi)容及其研究現(xiàn)狀,對打印機(jī)光譜特性化方法流程進(jìn)行了較為全面的綜述。方法以Yule-Nielsen修正的光譜Neugebauer模型(YNSN模型)為典型代表,從打印機(jī)墨量限制方法、正向光譜預(yù)測模型、反向光譜分色模型以及色彩匹配評價度量4個方面,對目前基于可見光譜的打印機(jī)特性化方法研究情況進(jìn)行了總結(jié)與歸納,并結(jié)合現(xiàn)有研究存在的問題對未來研究發(fā)展趨勢進(jìn)行了展望。結(jié)果綜合近幾年該領(lǐng)域研究發(fā)展情況,認(rèn)為目前打印機(jī)光譜特性化方法研究在墨量限制算法合理性、正反向建模精度等方面已經(jīng)取得了較為理想的結(jié)果。然而,盡管已有20多年的廣泛研究,鑒于光譜數(shù)據(jù)的高維性以及具體應(yīng)用場景的多樣性,導(dǎo)致準(zhǔn)確而高效的實現(xiàn)光譜打印機(jī)特性化仍然是一個極具難度的問題,特別在建模效率提高、模型適用性增強(qiáng)、模型物理意義提升以及評價度量綜合性能優(yōu)化等方面,目前研究仍存在較大的研究發(fā)展空間。結(jié)論打印機(jī)光譜特性化是實現(xiàn)圖像色彩信息高保真打印復(fù)制的必要手段,其今后將繼續(xù)在圖像復(fù)制領(lǐng)域起到非常關(guān)鍵作用。然而,由于基于光譜的打印機(jī)特性化過程涉及光譜學(xué)及色度學(xué)理論、半色調(diào)呈色理論、最優(yōu)化計算理論、人眼視覺機(jī)理、數(shù)字加網(wǎng)技術(shù)等多種理論與技術(shù),故其研究具有一定的難度與挑戰(zhàn)性。本文對打印機(jī)光譜特性化方法研究現(xiàn)狀進(jìn)行了較為深入的介紹與分析,意在使國內(nèi)同行對該領(lǐng)域有一個較為全面的了解,以期引起更多研究者對該領(lǐng)域的關(guān)注。由于篇幅所限,許多問題未及深究。
[Abstract]:Objective Printing and output technology is the main technology in the field of image reproduction at home and abroad.The purpose of printer characterization is to establish a corresponding relationship between the printer input control value and the output color information value, and to ensure the accuracy of each pixel color value of the print output image.The printer characteristic process based on visible spectrum and the color control basis of printer characteristic process based on image spectrum information can avoid the problem of the same color spectrum inherent in the printing and output process based on chroma.The highest level of unconditional color matching in the field of image color reproduction is realized.On the basis of extensive literature research, this paper reviews the development of various parts of the research on spectral characterization of printers, analyzes and introduces the main research contents and research status in this field.The process of spectral characterization of printers is reviewed in this paper.Methods the spectral Neugebauer model modified by Yule-Nielsen was used as a typical example. The method of printer ink limitation, the forward spectral prediction model, the reverse spectral color separation model and the evaluation of color matching were used.In this paper, the current research situation of printer characterization method based on visible spectrum is summarized and summarized, and the future research trend is prospected combined with the existing problems.Results based on the research and development in this field in recent years, it is considered that the current spectral characterization method of printer has achieved satisfactory results in the aspects of ink limitation algorithm rationality, forward and backward modeling accuracy, and so on.However, despite more than 20 years of extensive research, in view of the high dimension of spectral data and the diversity of specific application scenarios, it is still a very difficult problem to achieve the accurate and efficient implementation of spectral printer characterization.Especially in the aspects of improving the efficiency of modeling, enhancing the applicability of the model, enhancing the physical meaning of the model and optimizing the comprehensive performance of evaluation metrics, there is still a great space for research and development.Conclusion Spectral characterization of printer is a necessary means to realize high fidelity printing reproduction of image color information, and it will continue to play a very important role in the field of image reproduction in the future.However, the process of printer characterization based on spectrum involves many theories and technologies, such as spectroscopy and chromaticity theory, halftone color theory, optimization calculation theory, human visual mechanism, digital screen technology, etc.Therefore, its research is difficult and challenging.In this paper, the present situation of the research on the spectral characterization of printers is introduced and analyzed in order to make the domestic counterparts have a more comprehensive understanding of the field, in order to attract more researchers to pay attention to the field.Due to space constraints, many questions have not been studied in depth.
【作者單位】： 武漢大學(xué)印刷與包裝系;
【基金】：國家自然科學(xué)基金項目(61275172) 國家重點(diǎn)基礎(chǔ)研究發(fā)展計劃(973)基金項目(2012CB725302)
【分類號】：TP334.8

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