毕业论文（基于非真实感绘制的漫画效果实现） - 图文

摘要

非真实感绘制是计算机图像学的一类，在动画、艺术等领域有着广泛的应用，而漫画作为一种具有特殊代表性的艺术表现形式受越来越多人欢迎。

漫画的建图、描线、上色等操作都需要人来进行操作，消耗人力和物力。本论文以实现图像的漫画效果为目的，通过使用matlab对图像进行处理，简要阐述了开发背景与环境，在保证图像核心结构不改变的情况下进行以下几个操作：

1根据需求，选择双边滤波器对图像进行滤波，达到去除噪声，提高图像质量方便特征提取的目的。

2分别对RGB颜色空间和Lab颜色空间进行比较，选择更合适的进行量化处理，,减少图像中的颜色。

3根据边缘完整性和速度的需求，选择DOG算子进行边缘检测，对边缘强度进行加强、开闭运算等操作，最后使图像具有漫画效果，实现非真实感绘制，与现有的其他相似方法进行比较，总结该方法达到了漫画效果。

关键词: 非真实感绘制 双边滤波 颜色量化 边缘检测

Ⅰ

ABSTRACT

Non-photorealistic rendering is one types of computer iconography,it is widely used in the field of animation, art and other fields. Cartoon, as a special representative of an artistic form, is welcomed by more and more people.

Due to the demands of Cartoon,which human beings is needed to work on build pictures, Drawing Lines, color, this is the waste of the manpower and the physical resource. Aiming at make the photo to be cartoon, this paper briefly describes the development background and environment of the way to deal with photos by matlab. Perform the following operations while ensuring the image without changing the core structure of the case:

1. Based on needs, a bilateral filter to select the image is filtered, in order to remove noise and improve image quality for the purpose of convenience feature extraction.

2. By comparing withe RGB color space and Lab color space, choose the better one to achieve color quantization，and reduce the colors in the image.

3. According to the needs of marginal integrity and speed, Dog operator is used to do edge detection, then make the edge stronger and use imopen and imclose. Finally to make the image seems to be cartoon, and realize of non-photorealistic rendering. Compare with other existing similar methods, we can sum up that this paper achieve making the photo to be cartoon.

Keywords: Non-photorealistic rendering, Bilateral filter, Color quantization, edge detection.

Ⅱ

目录

目录

摘要 ....................................................................................................................................................... Ⅰ ABSTRACT .............................................................................................................................................. Ⅱ 目录 ......................................................................................................................................................... 1 第一章 绪论 ........................................................................................................................................... 3 1.1研究背景 ....................................................................................................................................... 3 1.2国内外研究状况 ........................................................................................................................... 4 1.3研究意义 ....................................................................................................................................... 6 第二章 漫画效果图像处理 ................................................................................................................... 7 2.1漫画效果分析 ............................................................................................................................... 7 2.2漫画效果流程图 ......................................................................................................................... 7 第三章 双边滤波 ................................................................................................................................... 8 3.1工具介绍 ....................................................................................................................................... 9 3.1.1Matlab简介 ............................................................................................................................ 9 3.1.2Matlab优点 ............................................................................................................................ 9 3.2滤波器简介及选择 ..................................................................................................................... 10 3.3双边滤波原理 ............................................................................................................................. 11 3.4实现双边滤波 ............................................................................................................................. 13 3.5小结 ............................................................................................................................................. 13 第四章 颜色量化 ................................................................................................................................. 15 4.1量化选择 ..................................................................................................................................... 15 4.2实现量化 ..................................................................................................................................... 17 4.3小结 ............................................................................................................................................. 17 第五章 边缘检测 ................................................................................................................................. 19 5.1领域运算 ..................................................................................................................................... 19 5.2算子的比较选择 . …… 此处隐藏：6055字，全部文档内容请下载后查看。喜欢就下载吧 ……