本文關(guān)鍵詞：線(xiàn)條畫(huà)風(fēng)格轉(zhuǎn)換方法及其版權(quán)保護(hù)的研究　出處：《山東師范大學(xué)》2007年碩士論文　論文類(lèi)型：學(xué)位論文

  更多相關(guān)文章： 非真實(shí)感繪制 線(xiàn)條畫(huà) 風(fēng)格 樣本 版權(quán)保護(hù) 零水印

【摘要】： 在非真實(shí)感繪制領(lǐng)域中,藝術(shù)風(fēng)格的生成與轉(zhuǎn)換一直是一個(gè)研究熱點(diǎn)。藝術(shù)圖案(線(xiàn)條畫(huà))被廣泛的應(yīng)用于科技文獻(xiàn)插圖、工業(yè)圖案設(shè)計(jì)以及平面廣告設(shè)計(jì)等領(lǐng)域,因此,風(fēng)格的重用和轉(zhuǎn)換技術(shù)尤為重要,它是提高圖案設(shè)計(jì)質(zhì)量和效率的關(guān)鍵因素,也是制約企業(yè)發(fā)展的重要因素。迄今為止,人們已經(jīng)提出了多種風(fēng)格轉(zhuǎn)換算法,但是這些算法在理論和方法上仍不完善,因此對(duì)藝術(shù)風(fēng)格轉(zhuǎn)換方法的進(jìn)一步研究,不僅有助于算法理論的完善,更有助于方法的推廣應(yīng)用。 同時(shí),隨著計(jì)算機(jī)網(wǎng)絡(luò)技術(shù)的發(fā)展,各種形式的多媒體作品如音頻、視頻、動(dòng)畫(huà)、圖像等都紛紛以網(wǎng)絡(luò)的形式發(fā)布,這使得侵權(quán)者能夠以低廉的成本復(fù)制和傳播未經(jīng)授權(quán)的數(shù)字圖像,這也成為制約企業(yè)發(fā)展的重要因素。因此本文提出對(duì)風(fēng)格轉(zhuǎn)換后的線(xiàn)條畫(huà)加水印進(jìn)行版權(quán)保護(hù)。 本文對(duì)線(xiàn)條畫(huà)風(fēng)格轉(zhuǎn)換技術(shù)進(jìn)行了較為系統(tǒng)的分析和研究,提出了一種基于區(qū)域的線(xiàn)條畫(huà)風(fēng)格轉(zhuǎn)換方法。并在分析和總結(jié)了國(guó)內(nèi)外二值圖像數(shù)字水印算法的基礎(chǔ)上,提出了一種基于DCT域的二值圖像零水印方法。本文主要包括以下一些內(nèi)容: (1)非真實(shí)感繪制的概述和線(xiàn)條畫(huà)風(fēng)格轉(zhuǎn)換的基礎(chǔ)知識(shí)。首先介紹了非真實(shí)感繪制的概念、產(chǎn)生背景及其相關(guān)研究。其次介紹了手繪線(xiàn)條畫(huà)的特點(diǎn),分析了早期計(jì)算機(jī)生成線(xiàn)條畫(huà)的方法。 (2)線(xiàn)條畫(huà)風(fēng)格轉(zhuǎn)換的預(yù)備知識(shí)。本文把線(xiàn)條畫(huà)的風(fēng)格抽象為線(xiàn)條畫(huà)的組成元素—筆劃的風(fēng)格,通過(guò)對(duì)筆劃的形狀和寬度的規(guī)范化表示,對(duì)線(xiàn)條畫(huà)的風(fēng)格轉(zhuǎn)換方法進(jìn)行了研究。并介紹了筆劃的提取以及筆劃的繪制和相似性比較的方法。 (3)提出一種基于區(qū)域的線(xiàn)條畫(huà)風(fēng)格轉(zhuǎn)換方法。基于樣本的線(xiàn)條畫(huà)風(fēng)格轉(zhuǎn)換方法可以較好的獲得具有樣本風(fēng)格的目標(biāo)圖像,但是,它是把整幅樣本圖像作為一種風(fēng)格來(lái)進(jìn)行風(fēng)格轉(zhuǎn)換的,而有些線(xiàn)條畫(huà)中卻包含有多種風(fēng)格的線(xiàn)條,不同風(fēng)格的線(xiàn)條可以給人不同的感覺(jué)。本文在分析了以上情況的基礎(chǔ)上,提出了一種改進(jìn)的線(xiàn)條畫(huà)風(fēng)格轉(zhuǎn)換方法-基于區(qū)域的線(xiàn)條畫(huà)風(fēng)格轉(zhuǎn)換的方法,試驗(yàn)證明該方法可以更加靈活的實(shí)現(xiàn)線(xiàn)條畫(huà)的風(fēng)格轉(zhuǎn)換。 (4)提出一種基于DCT域的二值圖像零水印方法。首先介紹了二值圖像的特點(diǎn),并總結(jié)了國(guó)內(nèi)外二值圖像水印算法,最后根據(jù)對(duì)一個(gè)圖像進(jìn)行各種幾何變換時(shí),圖像全局DCT系數(shù)(中低頻)符號(hào)基本保持不變的特性,提出了一種提出一種基于DCT域的二值圖像零水印方法。仿真試驗(yàn)證明,該方法具有較好的抗幾何攻擊能力,魯棒性好,具有較好的實(shí)用價(jià)值。
[Abstract]:In the field of non-realistic rendering, the generation and transformation of artistic style has been a research hotspot. Art patterns (line painting) are widely used in illustrations of scientific and technological documents. Industrial pattern design and graphic advertising design and other fields, therefore, style reuse and conversion technology is particularly important, it is a key factor to improve the quality and efficiency of pattern design. So far, people have put forward a variety of style conversion algorithms, but these algorithms are still not perfect in theory and method. Therefore, the further research on the method of artistic style transformation is not only helpful to the perfection of the algorithm theory, but also helpful to the popularization and application of the method. At the same time, with the development of computer network technology, various forms of multimedia works such as audio, video, animation, images have been published in the form of network. This allows infringers to copy and distribute unauthorized digital images at low cost. This is also an important factor restricting the development of enterprises, so this paper proposes copyright protection for line painting and watermark after style conversion. This paper makes a systematic analysis and research on the transformation technology of line painting style. A method of line painting style transformation based on region is proposed, and based on the analysis and summary of binary image digital watermarking algorithm at home and abroad. A zero-watermarking method for binary images based on DCT domain is proposed. The main contents of this paper are as follows: First, the concept of non-realistic rendering, the background and related research are introduced. Secondly, the characteristics of hand-drawn line painting are introduced. The method of generating line drawing by computer in the early stage was analyzed. This paper abstracts the style of line painting as the element of line painting-stroke style, through the standardization of the shape and width of strokes. In this paper, the method of style transformation of line drawing is studied, and the methods of stroke extraction, drawing and similarity comparison are introduced. This paper proposes a method of line painting style conversion based on region. The method of line painting style conversion based on sample can get the target image with sample style better, but. It transforms the whole sample image as a style, while some line paintings contain a variety of styles of lines. Different styles of lines can give people different feelings. Based on the analysis of the above situation, this paper puts forward an improved method of line painting style conversion, which is based on the method of regional line painting style conversion. The experiment proves that this method can realize the style conversion of line drawing more flexibly. Firstly, the characteristics of binary image are introduced, and the domestic and foreign binary image watermarking algorithms are summarized. Finally, according to the geometric transformation of an image, the global DCT coefficient (middle and low frequency) symbols of the image remain basically unchanged. A zero-watermarking method for binary images based on DCT domain is proposed. The simulation results show that the method has good robustness and good practical value.
【學(xué)位授予單位】：山東師范大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2007
【分類(lèi)號(hào)】：TP391.41

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本文編號(hào)：1437417